def organize_legend(context, available_layers) -> None:
""" Create groups and organize the legend. """
root = context.project().layerTreeRoot()
groups = OrderedDict()
groups[root] = [
"v_itineraire", "v_portion", "segment", "liaison", "repere", "poi_service", "poi_tourisme"]
groups[QgsLayerTreeGroup('Composants')] = [
"element", "portion", "etape", "itineraire"]
groups[QgsLayerTreeGroup('Nomenclatures')] = [
"statut_segment_val", "amenagement_segment_val", "amenagement_type_segment_val"]
for node_composants, content in groups.items():
if root != node_composants:
root.addChildNode(node_composants)
for com in content:
layer_id = available_layers.get(com)
if not layer_id:
continue
layer = root.findLayer(layer_id)
node_composants.addChildNode(layer.clone())
layer.parent().removeChildNode(layer)
def layerWarp(rasterNode: QgsLayerTreeGroup,
domainLayer: QgsVectorLayer) -> None:
"""Description: Reprojects a raster if not already in the desired CRS.
Make sure to save the shapefile, as it will be deleted otherwise!
Input: QgsLayerTreeGroup rasterNode - node that contains the raster image to process
QgsVectorLayer domainLayer - layer that contains a polygon specifying the bounds of the raster image to process
"""
rasterLayer = rasterNode.layer()
fileSource = rasterLayer.source()
geotiff = gdal.Open(fileSource)
prj = geotiff.GetProjection()
srs = osr.SpatialReference(wkt=prj)
domainCRS = domainLayer.crs().authid()
if srs.GetAttrValue("PROJCS|AUTHORITY", 1) is not None:
epsgCode = srs.GetAttrValue("PROJCS|AUTHORITY", 1)
elif srs.GetAttrValue("AUTHORITY", 1) is not None:
epsgCode = srs.GetAttrValue("AUTHORITY", 1)
else:
epsgCode = str(32621)
rasterCRS = "EPSG:" + epsgCode
if (rasterCRS != domainCRS):
print('warping...', rasterCRS, domainCRS)
if not DRY_RUN:
parent = rasterNode.parent()
rasterName = rasterLayer.name()
outSource = fileSource[0:-4] + "_" + domainCRS[5:] + ".tif"
#processing.algorithmHelp("gdal:warpreproject")
print(fileSource, outSource)
processing.run(
"gdal:warpreproject",
{
'DATA_TYPE': 5, #Float32
'INPUT': rasterName,
'MULTITHREADING': True,
'NODATA': 0.0,
'OPTIONS': '',
'OUTPUT': outSource,
'RESAMPLING': 1, #Bilinear
'SOURCE_CRS': rasterCRS,
'TARGET_CRS': domainCRS,
'TARGET_EXTENT': None,
'TARGET_EXTENT_CRS': None,
'TARGET_RESOLUTION': None
})
print('hello')
QgsProject.instance().removeMapLayer(rasterLayer.id())
geotiff = None
shutil.copy2(outSource, fileSource)
os.remove(outSource)
rasterLayer = QgsRasterLayer(fileSource, rasterName)
QgsProject.instance().addMapLayer(rasterLayer, False)
rasterNode = parent.insertLayer(0, rasterLayer)
return rasterNode
return rasterNode
def nest_groups(parent: QgsLayerTreeGroup,
groupnames: List[str],
prepend: bool = True) -> QgsLayerTreeGroup:
'''recursively nests groups in order of groupnames'''
if len(groupnames) == 0:
return parent
next_parent = parent.findGroup(groupnames[0])
if not next_parent:
next_parent = (parent.insertGroup(0, groupnames[0])
if prepend else parent.addGroup(groupnames[0]))
return nest_groups(next_parent, groupnames[1:], prepend=prepend)
def findGroup(root: QgsLayerTreeGroup, name: str) -> QgsLayerTreeGroup:
"""Recursively finds first group that matches name."""
#Search immediate children
for child in root.children():
if isinstance(child, QgsLayerTreeGroup):
if name == child.name():
return child
#Search subchildren
for child in root.children():
if isinstance(child, QgsLayerTreeGroup):
result = findGroup(child, name)
if result != None:
return result
#Found nothing
return None
def load_qlr_file(self, path):
# Load qlr into a group owned by us
try:
group = QgsLayerTreeGroup()
# On Windows this locks the parent dirs indefinitely
# See http://hub.qgis.org/issues/14811
# QgsLayerDefinition.loadLayerDefinition(path, group)
# Instead handle file ourselves
f = QFile(path)
if not f.open(QIODevice.ReadOnly):
return False
try:
doc = QDomDocument()
if not doc.setContent(f.readAll()):
return False
QgsLayerDefinition.loadLayerDefinition(doc, group)
finally:
f.close()
# Get subtree of nodes
nodes = group.children()
# plain list of nodes
nodeslist = []
for addedNode in nodes:
internalid = self._random_string()
nodeinfo = {'internalid': internalid}
addedNode.setCustomProperty(QlrManager.customPropertyName,
internalid)
if isinstance(addedNode, QgsLayerTreeGroup):
nodeinfo['type'] = 'group'
nodeinfo['name'] = addedNode.name()
elif isinstance(addedNode, QgsLayerTreeLayer):
nodeinfo['type'] = 'layer'
nodeinfo['name'] = addedNode.layerName()
nodeinfo['layerid'] = addedNode.layerId()
nodeslist.append(nodeinfo)
# Remove from parent node. Otherwise we cant add it to a new parent
group.takeChild(addedNode)
self.fileSystemItemToLegendNode[path] = nodeslist
# Insert them into the main project
QgsProject.instance().layerTreeRoot().insertChildNodes(0, nodes)
return True
except:
# For now just return silently
return False
def draw(self):
# print("draw")
rb = self.tool.rb
g = rb.asGeometry()
layer = QgsVectorLayer(
"Polygon?crs=" + self.iface.mapCanvas().mapSettings().destinationCrs().authid() + "&field=" + self.tr(
'Drawings') + ":string(255)", self.searchAreaLayerName, "memory")
layer.startEditing()
symbols = layer.renderer().symbols(QgsRenderContext()) # todo which context ?
symbols[0].setColor(self.color)
feature = QgsFeature()
feature.setGeometry(g)
feature.setAttributes([self.searchAreaLayerName])
layer.dataProvider().addFeatures([feature])
layer.commitChanges()
pjt = QgsProject.instance()
layersList = pjt.mapLayersByName(self.searchAreaLayerName)
if layersList is not None and len(layersList) > 0:
pjt.removeMapLayer(layersList[0])
pjt.addMapLayer(layer, False)
if pjt.layerTreeRoot().findGroup(self.tr(self.groupName)) is None:
pjt.layerTreeRoot().insertChildNode(0, QgsLayerTreeGroup(self.tr(self.groupName)))
group = pjt.layerTreeRoot().findGroup(self.tr(self.groupName))
group.insertLayer(0, layer)
self.iface.layerTreeView().refreshLayerSymbology(layer.id())
self.iface.mapCanvas().refresh()
self.tool.reset()
def load_qlr_file(self, path):
# Load qlr into a group owned by us
try:
group = QgsLayerTreeGroup()
# On Windows this locks the parent dirs indefinitely
# See http://hub.qgis.org/issues/14811
# QgsLayerDefinition.loadLayerDefinition(path, group)
# Instead handle file ourselves
f = QFile(path)
if not f.open(QIODevice.ReadOnly):
return False
try:
doc = QDomDocument()
if not doc.setContent( f.readAll() ):
return False
QgsLayerDefinition.loadLayerDefinition(doc, group)
finally:
f.close()
# Get subtree of nodes
nodes = group.children()
# plain list of nodes
nodeslist = []
for addedNode in nodes:
internalid = self._random_string()
nodeinfo = {'internalid': internalid}
addedNode.setCustomProperty(QlrManager.customPropertyName, internalid)
if isinstance(addedNode, QgsLayerTreeGroup):
nodeinfo['type'] = 'group'
nodeinfo['name'] = addedNode.name()
elif isinstance(addedNode, QgsLayerTreeLayer):
nodeinfo['type'] = 'layer'
nodeinfo['name'] = addedNode.layerName()
nodeinfo['layerid'] = addedNode.layerId()
nodeslist.append(nodeinfo)
# Remove from parent node. Otherwise we cant add it to a new parent
group.takeChild(addedNode)
self.fileSystemItemToLegendNode[path] = nodeslist
# Insert them into the main project
QgsProject.instance().layerTreeRoot().insertChildNodes(0, nodes)
return True
except:
# For now just return silently
return False
def firstGroupWithoutCustomProperty(group: QgsLayerTreeGroup,
_property: str) -> QgsLayerTreeGroup:
"""
Taken from QgsLayerTreeUtils::firstGroupWithoutCustomProperty
:param group:
:param _property:
:return:
"""
# if the group is embedded go to the first non-embedded group, at worst the top level item
while group.customProperty(_property):
if not group.parent():
break
if QgsLayerTree.isGroup(group.parent()):
group = group.parent()
else:
dbg_info(group)
assert False
return group
def findChildren(root: QgsLayerTreeGroup, matchString: str):
"""Return a list of groups in the root that match a regex string argument."""
result = []
matchStringParts = matchString.split('/', 1)
for child in root.children():
if fnmatch.fnmatch(child.name(), matchStringParts[0]):
if isinstance(child, QgsLayerTreeGroup):
result.extend(findChildren(child, matchStringParts[1]))
else:
result.append(child)
return result
def groupSelected(self):
nodes = self.mView.selectedNodes(True)
if len(nodes) < 2 or not QgsLayerTree.isGroup(nodes[0].parent()):
return
parentGroup = nodes[0].parent()
insertIdx = parentGroup.children().index(nodes[0])
newGroup = QgsLayerTreeGroup(self.uniqueGroupName(parentGroup))
for node in nodes:
newGroup.addChildNode(node.clone())
parentGroup.insertChildNode(insertIdx, newGroup)
for node in nodes:
group = node.parent()
if group != None:
group.removeChildNode(node)
self.mView.setCurrentIndex(
self.mView.layerTreeModel().node2index(newGroup))
def layerFromPath(lineFilePath: str, rootGroup: QgsLayerTreeGroup,
project: QgsLayerTreeGroup) -> None:
lineFileBasename = os.path.splitext(os.path.basename(lineFilePath))[0]
lineLayer = QgsVectorLayer(lineFilePath, lineFileBasename, 'ogr')
# Get number of features (range of Sequence#, number of renderer color classes)
driver = ogr.GetDriverByName('ESRI Shapefile')
dataSource = driver.Open(lineFilePath,
0) # 0 means read-only. 1 means writeable.
layer = dataSource.GetLayer()
dataSource = None
#Setup graduated color renderer based on year
targetField = 'Year'
renderer = QgsGraduatedSymbolRenderer('', [QgsRendererRange()])
renderer.setClassAttribute(targetField)
lineLayer.setRenderer(renderer)
#Get viridis color ramp
style = QgsStyle().defaultStyle()
defaultColorRampNames = style.colorRampNames()
viridisIndex = defaultColorRampNames.index('Viridis')
viridisColorRamp = style.colorRamp(
defaultColorRampNames[viridisIndex]) #Spectral color ramp
#Dynamically recalculate number of classes and colors
renderer.updateColorRamp(viridisColorRamp)
yearsRange = list(range(1972, 2020))
classCount = len(yearsRange)
renderer.updateClasses(lineLayer, QgsGraduatedSymbolRenderer.EqualInterval,
classCount)
#Set graduated color renderer based on Sequence#
for i in range(classCount): #[1972-2019], 2020 not included
targetField = 'DateUnix'
year = yearsRange[i]
renderer.updateRangeLowerValue(i, year)
renderer.updateRangeUpperValue(i, year)
project.addMapLayer(lineLayer, False)
rootGroup.insertLayer(0, lineLayer)
def make(self, composition, inomen, mapAreaLayer, showLayers):
# Cleanup
self.deleteGroups(['articulation'])
mapIDsToBeDisplayed = []
instance = QgsProject.instance()
# Creating the articulation frame
gridLayer = self.createGridLayer(inomen)
self.loadStyleToGridLayer(gridLayer)
instance.addMapLayer(gridLayer, False)
mapIDsToBeDisplayed.append(gridLayer.id())
# Creating a copy of mapAreaLayer
mapAreaLayer = self.createVectorLayerFromIter('articulationMapArea', mapAreaLayer.getFeatures())
self.loadStyleToLayer(mapAreaLayer, self.stylesFolder / 'mapExtentStyle.qml')
instance.addMapLayer(mapAreaLayer, False)
mapIDsToBeDisplayed.append(mapAreaLayer.id())
# Updates composition
self.updateMapItem(composition, gridLayer, mapAreaLayer)
if showLayers:
articulationNodeGroup = QgsLayerTreeGroup('articulation')
articulationNodeGroup.setItemVisibilityChecked(False)
for layer in (gridLayer, mapAreaLayer):
articulationNodeGroup.addLayer(layer)
root = instance.layerTreeRoot()
root.addChildNode(articulationNodeGroup)
return mapIDsToBeDisplayed
def make(self,
composition,
mapExtentsLayer,
mapExtents,
layers,
showLayers=False):
mapLayers = []
self.deleteGroups(['map'])
instance = QgsProject.instance()
# Setting up grid layer
mapExtent = self.getExtent(mapExtents)
gridLayer, mapExtentsTransformed = self.createLayerForGrid(
mapExtentsLayer, mapExtents)
self.applyStyleGridLayer(gridLayer)
gridLayer.triggerRepaint()
instance.addMapLayer(gridLayer, False)
# Setting up aux_label, which is reprojected to mapLayers
crs = next(iter(layers['map'])).crs()
copyLabel = self.cloneVectorLayerReproject(gridLayer, 'aux_label', crs)
copyLabelStyle = Path(
__file__).parent.parent / 'styles' / 'grid' / 'aux_label.qml'
copyLabel.loadNamedStyle(str(copyLabelStyle))
instance.addMapLayer(copyLabel, False)
# Setting up aux_moldura
copy = self.cloneVectorLayer(gridLayer, 'aux_moldura')
copyStyle = Path(
__file__).parent.parent / 'styles' / 'grid' / 'style.qml'
copy.loadNamedStyle(str(copyStyle))
instance.addMapLayer(copy, False)
# Setting up mask layer
maskLayer = self.createMaskLayer(mapExtents)
instance.addMapLayer(maskLayer, False)
mapLayers.extend((copy.id(), copyLabel.id(), gridLayer.id(),
maskLayer.id(), *layers['id_map']))
layersToComposition = [
gridLayer, maskLayer, copy, copyLabel, *layers['map'],
*layers['images']
]
self.updateMapItem(composition, mapExtent, mapExtentsTransformed,
gridLayer, layersToComposition)
if showLayers:
mapGroupNode = QgsLayerTreeGroup('map')
mapGroupNode.setItemVisibilityChecked(False)
for lyr in layersToComposition:
mapGroupNode.addLayer(lyr)
root = QgsProject.instance().layerTreeRoot()
root.addChildNode(mapGroupNode)
return mapLayers
def test_copy_layer_tree_group(self):
# copying layer tree group should also copy group layer setting
options = QgsGroupLayer.LayerOptions(QgsCoordinateTransformContext())
group_layer = QgsGroupLayer('group', options)
group_node = QgsLayerTreeGroup()
group_node.setGroupLayer(group_layer)
self.assertEqual(group_node.groupLayer(), group_layer)
group_node2 = group_node.clone()
self.assertEqual(group_node2.groupLayer(), group_layer)
def test_group_layer_nested(self):
"""
Test group node with child nodes converted to group layer
"""
group_node = QgsLayerTreeGroup('my group')
options = QgsGroupLayer.LayerOptions(QgsCoordinateTransformContext())
group_layer = group_node.convertToGroupLayer(options)
self.assertFalse(group_layer.childLayers())
layer = QgsVectorLayer("Point?field=fldtxt:string", "layer1", "memory")
group_node.addLayer(layer)
group2 = group_node.addGroup('child group 1')
layer2 = QgsVectorLayer("Point?field=fldtxt:string", "layer2",
"memory")
group_node.addLayer(layer2)
layer3 = QgsVectorLayer("Point?field=fldtxt:string", "layer3",
"memory")
layer3_node = group2.addLayer(layer3)
group3 = group2.addGroup('grand child group 1')
group4 = group2.addGroup('grand child group 2')
layer4 = QgsVectorLayer("Point?field=fldtxt:string", "layer4",
"memory")
layer4_node = group3.addLayer(layer4)
layer5 = QgsVectorLayer("Point?field=fldtxt:string", "layer5",
"memory")
layer5_node = group4.addLayer(layer5)
self.assertEqual(group_layer.childLayers(),
[layer2, layer5, layer4, layer3, layer])
layer5_node.setItemVisibilityChecked(False)
self.assertEqual(group_layer.childLayers(),
[layer2, layer4, layer3, layer])
group2.setItemVisibilityChecked(False)
self.assertEqual(group_layer.childLayers(), [layer2, layer])
group2.setItemVisibilityCheckedRecursive(True)
self.assertEqual(group_layer.childLayers(),
[layer2, layer5, layer4, layer3, layer])
def test_layer_tree_group_layer(self):
"""
Test setting a group layer on a QgsLayerTreeGroup
"""
options = QgsGroupLayer.LayerOptions(QgsCoordinateTransformContext())
group_layer = QgsGroupLayer('group', options)
group_node = QgsLayerTreeGroup()
self.assertFalse(group_node.groupLayer())
group_node.setGroupLayer(group_layer)
self.assertEqual(group_node.groupLayer(), group_layer)
group_layer.deleteLater()
group_layer = None
QCoreApplication.sendPostedEvents(None, QEvent.DeferredDelete)
# should be automatically cleaned
self.assertFalse(group_node.groupLayer())
def __add_layer_definition_file(self, file_name, root_group):
"""
shamelessly copied from
https://github.com/qgis/QGIS/blob/master/src/core/qgslayerdefinition.cpp
"""
qfile = QFile(file_name)
if not qfile.open(QIODevice.ReadOnly):
return None
doc = QDomDocument()
if not doc.setContent(qfile):
return None
file_info = QFileInfo(qfile)
QDir.setCurrent(file_info.absoluteDir().path())
root = QgsLayerTreeGroup()
ids = doc.elementsByTagName('id')
for i in range(0, ids.size()):
id_node = ids.at(i)
id_elem = id_node.toElement()
old_id = id_elem.text()
layer_name = old_id[:-17]
date_time = QDateTime.currentDateTime()
new_id = layer_name + date_time.toString('yyyyMMddhhmmsszzz')
id_elem.firstChild().setNodeValue(new_id)
tree_layer_nodes = doc.elementsByTagName('layer-tree-layer')
for j in range(0, tree_layer_nodes.count()):
layer_node = tree_layer_nodes.at(j)
layer_elem = layer_node.toElement()
if old_id == layer_elem.attribute('id'):
layer_node.toElement().setAttribute('id', new_id)
layer_tree_elem = doc.documentElement().firstChildElement(
'layer-tree-group')
load_in_legend = True
if not layer_tree_elem.isNull():
root.readChildrenFromXML(layer_tree_elem)
load_in_legend = False
layers = QgsMapLayer.fromLayerDefinition(doc)
QgsProject.instance().addMapLayers(layers, load_in_legend)
nodes = root.children()
for node in nodes:
root.takeChild(node)
del root
root_group.insertChildNodes(-1, nodes)
return None
def make(self, composition, mapArea, showLayers=False, isInternational=False):
# Cleanup
self.deleteGroups(['divisao'])
mapLayers = []
# Inserting necessary layers
divisionGroupNode = QgsLayerTreeGroup('divisao')
divisionGroupNode.setItemVisibilityChecked(False)
layerCountyArea, layerCountyLine, layerStateLine, layerCountryArea, layerCountryLine, layerOcean = self.createLayersGroup()
mapLayers.extend([
layerCountyArea.id(),layerCountyLine.id(), layerStateLine.id(), layerOcean.id(), layerCountryArea.id(), layerCountryLine.id()])
# Getting map extents
gridBound = mapArea.geometry().boundingBox()
gridRectangleLayer = self.createGridRectangle(gridBound, 'divisionMapArea')
mapLayers.append(gridRectangleLayer.id())
# Get map extent for intersections
# TODO: Check possible refactor on getExtent
outerExtents = self.getExtent(gridBound, mapArea)
orderedCountiesByCentroidDistance, orderedCountiesNamesByArea = self.getIntersections(
layerCountyArea, outerExtents, mapArea, isInternational)
# Labeling counties
self.setStyles(layerCountyArea, orderedCountiesByCentroidDistance, orderedCountiesNamesByArea)
# Inserting counties table
html_tabledata = self.customcreateHtmlTableData(orderedCountiesNamesByArea)
self.setMunicipiosTable(composition, html_tabledata)
if not isInternational:
self.hideInternationalCouties(layerCountryArea)
# self.unsetLabel(layerCountry)
# Update map in correct sequence
layersToShow = (
gridRectangleLayer, layerOcean, layerCountryLine, layerCountryArea, layerStateLine, layerCountyLine, layerCountyArea)
for layer in layersToShow:
QgsProject.instance().addMapLayer(layer, False)
divisionGroupNode.addLayer(layer)
if showLayers:
root = QgsProject.instance().layerTreeRoot()
root.addChildNode(divisionGroupNode)
self.updateMapItem(composition, outerExtents, layersToShow)
return mapLayers
def test_group_layer_updates_from_node_visibility(self):
"""
Test that group layer child layers are synced correctly from the group node when layer visibility is changed
"""
group_node = QgsLayerTreeGroup('my group')
options = QgsGroupLayer.LayerOptions(QgsCoordinateTransformContext())
group_layer = group_node.convertToGroupLayer(options)
self.assertFalse(group_layer.childLayers())
layer = QgsVectorLayer("Point?field=fldtxt:string", "layer1", "memory")
group_node.addLayer(layer)
layer2 = QgsVectorLayer("Point?field=fldtxt:string", "layer2",
"memory")
layer2_node = group_node.addLayer(layer2)
layer3 = QgsVectorLayer("Point?field=fldtxt:string", "layer3",
"memory")
group_node.addLayer(layer3)
self.assertEqual(group_layer.childLayers(), [layer3, layer2, layer])
layer2_node.setItemVisibilityChecked(False)
self.assertEqual(group_layer.childLayers(), [layer3, layer])
layer2_node.setItemVisibilityChecked(True)
self.assertEqual(group_layer.childLayers(), [layer3, layer2, layer])
def addLayer(layer, loadInLegend=True, group=None, isSubGroup=False):
"""
Add one or several layers to the QGIS session and layer registry.
@param layer: The layer object or list with layers to add the QGIS layer registry and session.
@param loadInLegend: True if this layer should be added to the legend.
:return: The added layer
"""
global groupName
if not hasattr(layer, "__iter__"):
layer = [layer]
if group is not None:
_layerreg.addMapLayers(layer, False)
root = _layerreg.layerTreeRoot()
if isSubGroup:
vg = root.findGroup(groupName)
g = vg.findGroup(group)
else:
g = root.findGroup(group)
if g is None:
# Create Group
node_group = QgsLayerTreeGroup(group)
root.insertChildNode(0, node_group)
if isSubGroup:
vg = root.findGroup(groupName)
g = vg.findGroup(group)
else:
g = root.findGroup(group)
g.insertChildNode(0, QgsLayerTreeLayer(layer[0]))
else:
_layerreg.addMapLayers(layer, loadInLegend)
return layer
def _create_and_add_layer(
*,
node: LayerNode,
project: qgc.QgsProject,
group: qgc.QgsLayerTreeGroup,
) -> None:
layer_id = node.name
logger.debug(f'Adding {layer_id}...')
layer_cfg = node.layer_cfg
map_layer = make_map_layer(node)
# Assign to a different name because this changes the type. We need to add
# `map_layer` to the project as the last step.
grouped_layer = group.addLayer(map_layer)
grouped_layer.setItemVisibilityChecked(layer_cfg.show, )
# All layers start collapsed. When expanded (the default), they show the
# entire colormap. This takes up a large amount of space in the QGIS table
# of contents.
grouped_layer.setExpanded(False)
project.addMapLayer(map_layer, addToLegend=False)
def object_to_layers_and_tree(obj, input_file, context: Context):
"""
Converts an ESRI object to layers and equivalent layer tree
"""
layers = []
def add_layer(layer, group_node):
nonlocal layers
results = LayerConverter.layer_to_QgsLayer(
layer,
input_file,
context=context,
fallback_crs=QgsCoordinateReferenceSystem('EPSG:4326'))
for res in results:
node = group_node.addLayer(res)
if not layer.visible:
node.setItemVisibilityChecked(False)
if len(node.children()) > 10:
node.setExpanded(False)
layers.append(res)
def add_group(group, parent):
group_node = parent.addGroup(group.name)
for c in group.children:
if isinstance(c, (GroupLayer, BaseMapLayer)):
add_group(c, group_node)
else:
add_layer(c, group_node)
root_node = QgsLayerTreeGroup()
if LayerConverter.is_layer(obj):
add_layer(obj, root_node)
else:
add_group(obj, root_node)
return root_node, layers
def make(self,
composition,
mapAreaFeature,
showLayers=False,
isInternational=False):
# Cleanup
self.deleteGroups(['localizacao'])
mapLayers = []
instance = QgsProject.instance()
# Creating layer for mapArea
mapAreaBoundingBox = mapAreaFeature.geometry().boundingBox()
mapAreaLayer = self.createGridRectangle(mapAreaBoundingBox,
'localizationMapArea')
mapLayers.append(mapAreaLayer.id())
# Getting state layer
stateShpPath = Path(
__file__).parent.parent / 'limites' / '2020' / 'Estados_2020.shp'
stateLayerBackground = self.loadShapeLayer(stateShpPath, '',
'backgroundStates')
mapExtents = self.getExtent(mapAreaFeature, stateLayerBackground,
isInternational)
self.setupBackgroundLayer(stateLayerBackground)
self.setLabel(stateLayerBackground, isInternational)
mapLayers.append(stateLayerBackground.id())
# Adding layers
instance.addMapLayer(stateLayerBackground, False)
instance.addMapLayer(mapAreaLayer, False)
# Updating composition
self.updateMapItem(composition, stateLayerBackground, mapAreaLayer,
mapExtents)
if showLayers:
localizationGroupNode = QgsLayerTreeGroup('localizacao')
localizationGroupNode.setItemVisibilityChecked(False)
for layer in (mapAreaLayer, stateLayerBackground):
localizationGroupNode.addLayer(layer)
root = QgsProject.instance().layerTreeRoot()
root.addChildNode(localizationGroupNode)
return mapLayers
def make(self, composition, mapArea, layers, showLayers=False):
self.deleteGroups(['minimap'])
mapExtents = mapArea.geometry().convexHull().boundingBox()
# Creating layers to lock map
layersToLock = []
layersToLock.extend(layers['minimap'])
layersToLock.extend(layers['images'])
self.updateMapItem(composition, mapExtents, layersToLock)
if showLayers:
miniMapGroupNode = QgsLayerTreeGroup('minimap')
miniMapGroupNode.setItemVisibilityChecked(False)
for layer in layersToLock:
miniMapGroupNode.addLayer(layer)
root = QgsProject.instance().layerTreeRoot()
root.addChildNode(miniMapGroupNode)
return layers['id_minimap']
def __add_layer_definition_file(self, file_name, root_group):
"""
shamelessly copied from
https://github.com/qgis/QGIS/blob/master/src/core/qgslayerdefinition.cpp
"""
qfile = QFile(file_name)
if not qfile.open(QIODevice.ReadOnly):
return None
doc = QDomDocument()
if not doc.setContent(qfile):
return None
file_info = QFileInfo(qfile)
QDir.setCurrent(file_info.absoluteDir().path())
root = QgsLayerTreeGroup()
ids = doc.elementsByTagName('id')
for i in xrange(0, ids.size()):
id_node = ids.at(i)
id_elem = id_node.toElement()
old_id = id_elem.text()
layer_name = old_id[:-17]
date_time = QDateTime.currentDateTime()
new_id = layer_name + date_time.toString('yyyyMMddhhmmsszzz')
id_elem.firstChild().setNodeValue(new_id)
tree_layer_nodes = doc.elementsByTagName('layer-tree-layer')
for j in xrange(0, tree_layer_nodes.count()):
layer_node = tree_layer_nodes.at(j)
layer_elem = layer_node.toElement()
if old_id == layer_elem.attribute('id'):
layer_node.toElement().setAttribute('id', new_id)
layer_tree_elem = doc.documentElement().firstChildElement('layer-tree-group')
load_in_legend = True
if not layer_tree_elem.isNull():
root.readChildrenFromXML(layer_tree_elem)
load_in_legend = False
layers = QgsMapLayer.fromLayerDefinition(doc)
QgsMapLayerRegistry.instance().addMapLayers(layers, load_in_legend)
nodes = root.children()
for node in nodes:
root.takeChild(node)
del root
root_group.insertChildNodes(-1, nodes)
return None
def __init__(self, parent, geometryWin, numWin):
def populateStatusBar():
statusBar = self.statusBar()
w = QCheckBox("Render", self)
w.setObjectName('renderCheck')
w.setToolTip("Toggle map rendering")
w.setChecked(True)
statusBar.addPermanentWidget(w)
w = QCheckBox("Marker", self)
w.setObjectName('markerCheck')
w.setToolTip("Toggle marker with cursor position from main map")
w.setChecked(False)
statusBar.addPermanentWidget(w, 1)
w = QCheckBox("Extent", self)
w.setObjectName('extentCheck')
w.setToolTip("Show extent of main map")
w.setChecked(False)
statusBar.addPermanentWidget(w, 1)
w = QToolButton(self)
w.setObjectName('highlightBtn')
w.setToolTip("Highlight extent in main map")
w.setText("Highlight")
statusBar.addPermanentWidget(w, 1)
w = QLabel("Scale factor:", self)
w.setObjectName('scaleFactorLabel')
w.setAlignment(Qt.AlignRight | Qt.AlignVCenter)
statusBar.addPermanentWidget(w, 1)
w = QDoubleSpinBox(self)
w.setObjectName('scaleFactorSpin')
w.setToolTip("Current scale factor of main map")
w.setMinimum(0.0)
w.setMaximum(1000.0)
w.setDecimals(3)
w.setValue(1)
w.setSingleStep(.05)
statusBar.addPermanentWidget(w, 1)
w = QToolButton(self)
w.setObjectName('scaleBtn')
w.setToolTip("Set scale for main map")
w.setText("Scale: ")
statusBar.addPermanentWidget(w, 1)
def setupUi():
self.setObjectName("AuxiliaryWindow")
self.setGeometry(geometryWin)
self.addDockWidget(Qt.LeftDockWidgetArea, self.dockLegend)
self.actLegend = self.menuBar().addAction("")
self.actLegend.triggered.connect(self.onActionLegend)
self.canvas.setMapTool(self.toolPan)
self.canvas.setCanvasColor(QColor(255, 255, 255))
self.canvas.enableAntiAliasing(False)
self.canvas.useImageToRender(False)
self.canvas.setWheelAction(QgsMapCanvas.WheelZoom)
self.setCentralWidget(centralWidget)
self.messageBar.setSizePolicy(QSizePolicy.Minimum,
QSizePolicy.Fixed)
layout = QGridLayout()
layout.setContentsMargins(0, 0, 0, 0)
layout.addWidget(self.canvas, 0, 0, 2, 1)
layout.addWidget(self.messageBar, 0, 0, 1, 1)
centralWidget.setLayout(layout)
super(AuxiliaryWindow, self).__init__(parent)
centralWidget = QWidget(self)
self.canvas = QgsMapCanvas(centralWidget)
self.messageBar = QgsMessageBar(centralWidget)
self.toolPan = QgsMapToolPan(self.canvas)
self.qgisCanvas = qgis.utils.iface.mapCanvas()
self.qgisTView = qgis.utils.iface.layerTreeView()
self.qgisSyncGroup = None
self.numWin = numWin
self.ltg = QgsLayerTreeGroup('', Qt.Unchecked)
self.dockLegend = AuxiliaryLegend(self, numWin)
self.root = QgsProject.instance().layerTreeRoot()
self.extent = self.actLegend = None
self.marker = MarkerWindow(self.canvas)
setupUi()
populateStatusBar()
self.onCurrentLayerChanged(None)
self.onDestinationCrsChanged_MapUnitsChanged()
self.onHasCrsTransformEnabledChanged(
self.qgisCanvas.hasCrsTransformEnabled())
class AuxiliaryWindow(QMainWindow):
"""Creates a New Canvas."""
closed = pyqtSignal(int)
def __init__(self, parent, geometryWin, numWin):
def populateStatusBar():
statusBar = self.statusBar()
w = QCheckBox("Render", self)
w.setObjectName('renderCheck')
w.setToolTip("Toggle map rendering")
w.setChecked(True)
statusBar.addPermanentWidget(w)
w = QCheckBox("Marker", self)
w.setObjectName('markerCheck')
w.setToolTip("Toggle marker with cursor position from main map")
w.setChecked(False)
statusBar.addPermanentWidget(w, 1)
w = QCheckBox("Extent", self)
w.setObjectName('extentCheck')
w.setToolTip("Show extent of main map")
w.setChecked(False)
statusBar.addPermanentWidget(w, 1)
w = QToolButton(self)
w.setObjectName('highlightBtn')
w.setToolTip("Highlight extent in main map")
w.setText("Highlight")
statusBar.addPermanentWidget(w, 1)
w = QLabel("Scale factor:", self)
w.setObjectName('scaleFactorLabel')
w.setAlignment(Qt.AlignRight | Qt.AlignVCenter)
statusBar.addPermanentWidget(w, 1)
w = QDoubleSpinBox(self)
w.setObjectName('scaleFactorSpin')
w.setToolTip("Current scale factor of main map")
w.setMinimum(0.0)
w.setMaximum(1000.0)
w.setDecimals(3)
w.setValue(1)
w.setSingleStep(.05)
statusBar.addPermanentWidget(w, 1)
w = QToolButton(self)
w.setObjectName('scaleBtn')
w.setToolTip("Set scale for main map")
w.setText("Scale: ")
statusBar.addPermanentWidget(w, 1)
def setupUi():
self.setObjectName("AuxiliaryWindow")
self.setGeometry(geometryWin)
self.addDockWidget(Qt.LeftDockWidgetArea, self.dockLegend)
self.actLegend = self.menuBar().addAction("")
self.actLegend.triggered.connect(self.onActionLegend)
self.canvas.setMapTool(self.toolPan)
self.canvas.setCanvasColor(QColor(255, 255, 255))
self.canvas.enableAntiAliasing(False)
self.canvas.useImageToRender(False)
self.canvas.setWheelAction(QgsMapCanvas.WheelZoom)
self.setCentralWidget(centralWidget)
self.messageBar.setSizePolicy(QSizePolicy.Minimum,
QSizePolicy.Fixed)
layout = QGridLayout()
layout.setContentsMargins(0, 0, 0, 0)
layout.addWidget(self.canvas, 0, 0, 2, 1)
layout.addWidget(self.messageBar, 0, 0, 1, 1)
centralWidget.setLayout(layout)
super(AuxiliaryWindow, self).__init__(parent)
centralWidget = QWidget(self)
self.canvas = QgsMapCanvas(centralWidget)
self.messageBar = QgsMessageBar(centralWidget)
self.toolPan = QgsMapToolPan(self.canvas)
self.qgisCanvas = qgis.utils.iface.mapCanvas()
self.qgisTView = qgis.utils.iface.layerTreeView()
self.qgisSyncGroup = None
self.numWin = numWin
self.ltg = QgsLayerTreeGroup('', Qt.Unchecked)
self.dockLegend = AuxiliaryLegend(self, numWin)
self.root = QgsProject.instance().layerTreeRoot()
self.extent = self.actLegend = None
self.marker = MarkerWindow(self.canvas)
setupUi()
populateStatusBar()
self.onCurrentLayerChanged(None)
self.onDestinationCrsChanged_MapUnitsChanged()
self.onHasCrsTransformEnabledChanged(
self.qgisCanvas.hasCrsTransformEnabled())
def _connect(self, isConnect=True):
widgets = {
'scaleBtn': self.findChild(QToolButton, 'scaleBtn'),
'renderCheck': self.findChild(QCheckBox, 'renderCheck'),
'markerCheck': self.findChild(QCheckBox, 'markerCheck'),
'extentCheck': self.findChild(QCheckBox, 'extentCheck'),
'highlightBtn': self.findChild(QToolButton, 'highlightBtn'),
'scaleFactorSpin': self.findChild(QDoubleSpinBox,
'scaleFactorSpin')
}
signal_slot = ({
'signal': widgets['scaleBtn'].clicked,
'slot': self.onClickedScale
}, {
'signal': widgets['renderCheck'].toggled,
'slot': self.onToggledRender
}, {
'signal': widgets['markerCheck'].toggled,
'slot': self.onToggledMarker
}, {
'signal': widgets['extentCheck'].toggled,
'slot': self.onToggledExtent
}, {
'signal': widgets['highlightBtn'].clicked,
'slot': self.onClickedHighlight
}, {
'signal': widgets['scaleFactorSpin'].valueChanged,
'slot': self.onValueChangedScale
}, {
'signal': self.dockLegend.currentLayerChanged,
'slot': self.onCurrentLayerChanged
}, {
'signal': self.dockLegend.currentLayerQgis,
'slot': self.onCurrentLayerQgis
}, {
'signal': self.dockLegend.syncGroupLayer,
'slot': self.onSyncGroupAddLayersQgis
}, {
'signal': self.dockLegend.addSelectedLayersQgis,
'slot': self.onAddSelectedLayersQgis
}, {
'signal': self.dockLegend.removeLayer,
'slot': self.onRemoveLayers
}, {
'signal': self.dockLegend.needSelectLayer,
'slot': self.onNeedSelectLayer
}, {
'signal': self.dockLegend.closed,
'slot': self.onClosedLegend
}, {
'signal': self.canvas.extentsChanged,
'slot': self.onExtentsChangedMirror
}, {
'signal': self.qgisCanvas.extentsChanged,
'slot': self.onExtentsChangedQgisCanvas
}, {
'signal': self.qgisCanvas.xyCoordinates,
'slot': self.marker.onXYCoordinates
}, {
'signal': self.qgisCanvas.destinationCrsChanged,
'slot': self.onDestinationCrsChanged_MapUnitsChanged
}, {
'signal': self.qgisCanvas.mapUnitsChanged,
'slot': self.onDestinationCrsChanged_MapUnitsChanged
}, {
'signal': self.qgisCanvas.hasCrsTransformEnabledChanged,
'slot': self.onHasCrsTransformEnabledChanged
}, {
'signal': self.root.removedChildren,
'slot': self.onRemovedChildrenQgisRoot
}, {
'signal': QgsMapLayerRegistry.instance().layersWillBeRemoved,
'slot': self.onLayersWillBeRemoved
})
if isConnect:
for item in signal_slot:
item['signal'].connect(item['slot'])
else:
for item in signal_slot:
item['signal'].disconnect(item['slot'])
def _extentsChanged(self,
canvasOrigin,
originSlot,
canvasDest,
scaleFactor=None):
canvasOrigin.extentsChanged.disconnect(originSlot)
if scaleFactor is None:
scale = canvasOrigin.scale()
canvasOrigin.setExtent(canvasDest.extent())
canvasOrigin.zoomScale(scale)
else:
canvasOrigin.setExtent(canvasDest.extent())
canvasOrigin.zoomScale(scaleFactor * canvasDest.scale())
canvasOrigin.extentsChanged.connect(originSlot)
def _textScaleBtnChanched(self):
scale = locale.format("%.0f", self.canvas.scale(), True)
w = self.findChild(QToolButton, 'scaleBtn')
w.setText("Scale 1:%s" % scale)
def _extent(self):
rect = self.qgisCanvas.extent()
p1 = QgsPoint(rect.xMinimum(), rect.yMinimum())
p2 = QgsPoint(rect.xMinimum(), rect.yMaximum())
p3 = QgsPoint(rect.xMaximum(), rect.yMaximum())
p4 = QgsPoint(rect.xMaximum(), rect.yMinimum())
p5 = QgsPoint(rect.xMinimum(), rect.yMinimum())
points = [p1, p2, p3, p4, p5]
self.extent.setToGeometry(QgsGeometry.fromPolyline(points), None)
def _execFunction(self, func, arg, signal, slot):
signal.disconnect(slot)
func(arg)
signal.connect(slot)
def _connectVectorRefresh(self, layer, isConnect=True):
if isinstance(layer, QgsVectorLayer):
f = layer.editCommandEnded.connect if isConnect else layer.editCommandEnded.disconnect
f(self.canvas.refresh)
def _addLayersQgis(self, layersQgis, needMsg=True):
self.dockLegend.clearBridge()
l1 = set(layersQgis)
l2 = set(map(lambda item: item.layer(), self.ltg.findLayers()))
layers = list(l1 - l2)
if len(layers) == 0:
if needMsg:
self.messageBar.pushMessage(
"Need select new layer(s) in main map",
QgsMessageBar.WARNING, 2)
else:
# Get order by layersQgis
for item in layersQgis:
if item in layers:
self.ltg.addLayer(item)
self._connectVectorRefresh(item)
self.dockLegend.setBridge(self.canvas)
def _syncGroupAddLayersQgis(self, ltg):
layersQgis = map(lambda item: item.layer(), ltg.findLayers())
if len(layersQgis) == 0:
return False
name = ltg.name()
if self.qgisSyncGroup == ltg:
msg = "Already synchronized group (main map) -> '%s'" % name
self.messageBar.pushMessage(msg, QgsMessageBar.INFO, 4)
return True
if not self.qgisSyncGroup is None:
self.qgisSyncGroup.addedChildren.disconnect(
self.addedChildrenLayer)
self.qgisSyncGroup = ltg
self.qgisSyncGroup.addedChildren.connect(self.addedChildrenLayer)
self.dockLegend.addNameSyncGroup(name)
msg = "Changed synchronized group (main map) -> '%s'" % name
self.messageBar.pushMessage(msg, QgsMessageBar.INFO, 4)
self._addLayersQgis(layersQgis)
return True
def run(self):
if len(self.qgisTView.selectedLayerNodes()) > 0:
self.onAddSelectedLayersQgis()
else:
ltn = self.qgisTView.currentNode()
if not isinstance(ltn, QgsLayerTreeGroup):
return False
else:
if ltn == self.root:
return False
else:
if not self._syncGroupAddLayersQgis(ltn):
return False
self.dockLegend.setBridge(self.canvas)
self.canvas.setRenderFlag(False)
self.show() # Need show before self._connect()
self._connect()
self.canvas.setExtent(self.qgisCanvas.extent())
w = self.findChild(QDoubleSpinBox, 'scaleFactorSpin')
w.setValue(1)
self.canvas.setRenderFlag(True)
return True
def getLayersCanvas(self):
layerIds = map(lambda x: x.layerId(), self.ltg.findLayers())
layerChecks = map(lambda x: str(x.isVisible()), self.ltg.findLayers())
return (layerIds, layerChecks)
def setLayersCanvas(self, layerIds, layerChecks):
prevFlag = self.canvas.renderFlag()
self.canvas.setRenderFlag(False)
lyrRegs = QgsMapLayerRegistry.instance()
for id in range(len(layerIds)):
layer = lyrRegs.mapLayer(layerIds[id])
isVisible = int(layerChecks[id])
if not layer is None:
self.ltg.addLayer(layer).setVisible(isVisible)
self.canvas.setRenderFlag(prevFlag)
def getWindowSetting(self):
g = self.geometry()
r = self.canvas.extent()
nodes = self.ltg.findLayers()
currentLayer = self.dockLegend.tview.currentLayer()
currentLayerId = currentLayer.id(
) if not currentLayer is None else "None"
windowSetting = {
'numWin':
self.numWin,
'geometryWin': {
'x': g.x(),
'y': g.y(),
'width': g.width(),
'height': g.height()
},
'extentCanvas': {
'xmin': r.xMinimum(),
'ymin': r.yMinimum(),
'xmax': r.xMaximum(),
'ymax': r.yMaximum()
},
'currentLayerId':
currentLayerId,
'layerIds':
' '.join(map(lambda item: item.layerId(), nodes)),
'visibles':
' '.join(map(lambda item: str(int(item.isVisible())), nodes))
}
for item in ('render', 'marker', 'extent'):
nameGui = "%sCheck" % item
windowSetting[item] = int(
self.findChild(QCheckBox, nameGui).isChecked())
return windowSetting
def setWindowSetting(self, windowSetting):
self.numWin = windowSetting['numWin']
# Populate with layers and set Bridge for legend
layerIds = windowSetting['layerIds'].split(' ')
visibles = map(lambda item: bool(int(item)),
windowSetting['visibles'].split(' '))
ltg = self.qgisTView.layerTreeModel().rootGroup()
for id in range(len(layerIds)):
node = ltg.findLayer(layerIds[id])
if node is None:
continue
layer = node.layer()
visible = Qt.Checked if visibles[id] else Qt.Unchecked
self._connectVectorRefresh(layer)
self.ltg.addLayer(layer).setVisible(visible)
self.dockLegend.setBridge(self.canvas)
self.show() # Need show before self._connect()
self._connect()
node = ltg.findLayer(windowSetting['currentLayerId'])
if not node is None:
layer = node.layer()
self.dockLegend.tview.setCurrentLayer(layer)
w = windowSetting['extentCanvas']
self.canvas.setExtent(
QgsRectangle(w['xmin'], w['ymin'], w['xmax'], w['ymax']))
for item in ('render', 'marker', 'extent'):
value = bool(windowSetting[item])
nameGui = "%sCheck" % item
self.findChild(QCheckBox, nameGui).setChecked(value)
def closeEvent(self, event):
self._connect(False)
event.accept()
self.closed.emit(self.numWin)
@pyqtSlot(int)
def onValueChangedScale(self, scaleFactor):
w = self.findChild(QCheckBox, 'renderCheck')
if not w.isChecked():
return
self._execFunction(self.canvas.zoomScale,
scaleFactor * self.qgisCanvas.scale(),
self.canvas.extentsChanged,
self.onExtentsChangedMirror)
self._textScaleBtnChanched()
@pyqtSlot()
def onClickedScale(self):
self._execFunction(self.qgisCanvas.zoomScale, self.canvas.scale(),
self.qgisCanvas.extentsChanged,
self.onExtentsChangedQgisCanvas)
w = self.findChild(QDoubleSpinBox, 'scaleFactorSpin')
self._execFunction(w.setValue, 1.0, w.valueChanged,
self.onValueChangedScale)
@pyqtSlot()
def onClickedHighlight(self):
def removeRB():
rb.reset(True)
self.qgisCanvas.scene().removeItem(rb)
rb = QgsRubberBand(self.qgisCanvas, QGis.Polygon)
rb.setBorderColor(QColor(255, 0, 0))
rb.setWidth(2)
rb.setToGeometry(QgsGeometry.fromRect(self.canvas.extent()), None)
QTimer.singleShot(2000, removeRB)
@pyqtSlot(bool)
def onToggledRender(self, enabled):
if enabled:
self.canvas.setMapTool(self.toolPan)
w = self.findChild(QDoubleSpinBox, 'scaleFactorSpin')
self._extentsChanged(self.canvas, self.onExtentsChangedMirror,
self.qgisCanvas, w.value())
self._textScaleBtnChanched()
self.canvas.setWheelAction(QgsMapCanvas.WheelZoom)
else:
self.canvas.unsetMapTool(self.toolPan)
self.canvas.setWheelAction(QgsMapCanvas.WheelNothing)
self.canvas.setRenderFlag(enabled)
@pyqtSlot(bool)
def onToggledMarker(self, enabled):
self.marker.add() if enabled else self.marker.remove()
@pyqtSlot(bool)
def onToggledExtent(self, enabled):
def setExtent():
if not self.extent is None:
self.canvas.scene().removeItem(self.extent)
self.extent = QgsRubberBand(self.canvas, QGis.Polygon)
self.extent.setBorderColor(QColor(255, 0, 0))
self.extent.setWidth(2)
self._extent()
if enabled:
setExtent()
else:
if not self.extent is None:
self.canvas.scene().removeItem(self.extent)
self.extent = None
@pyqtSlot()
def onExtentsChangedMirror(self):
w = self.findChild(QCheckBox, 'renderCheck')
if not w.isChecked():
return
self._extentsChanged(self.qgisCanvas, self.onExtentsChangedQgisCanvas,
self.canvas)
self._textScaleBtnChanched()
w = self.findChild(QDoubleSpinBox, 'scaleFactorSpin')
self._execFunction(w.setValue,
self.canvas.scale() / self.qgisCanvas.scale(),
w.valueChanged, self.onValueChangedScale)
if not self.extent is None:
self._extent()
@pyqtSlot()
def onExtentsChangedQgisCanvas(self):
w = self.findChild(QCheckBox, 'renderCheck')
if not w.isChecked():
return
w = self.findChild(QDoubleSpinBox, 'scaleFactorSpin')
self._extentsChanged(self.canvas, self.onExtentsChangedMirror,
self.qgisCanvas, w.value())
self._textScaleBtnChanched()
if not self.extent is None:
self._extent()
@pyqtSlot()
def onDestinationCrsChanged_MapUnitsChanged(self):
prevFlag = self.canvas.renderFlag()
self.canvas.setRenderFlag(False)
self.canvas.setDestinationCrs(
self.qgisCanvas.mapRenderer().destinationCrs())
self.canvas.setMapUnits(self.qgisCanvas.mapUnits())
self.canvas.setRenderFlag(prevFlag)
@pyqtSlot(bool)
def onHasCrsTransformEnabledChanged(self, enabled):
prevFlag = self.canvas.renderFlag()
self.canvas.setRenderFlag(False)
self.canvas.mapRenderer().setProjectionsEnabled(enabled)
self.canvas.setRenderFlag(prevFlag)
@pyqtSlot(list)
def onLayersWillBeRemoved(self, theLayerIds):
ids = list(set(self.ltg.findLayerIds())
& set(theLayerIds)) # intersection
nodes = map(lambda item: self.ltg.findLayer(item), ids)
for item in nodes:
self._connectVectorRefresh(item.layer(), False)
self.ltg.removeChildNode(item)
@pyqtSlot()
def onAddSelectedLayersQgis(self):
layersQgis = map(lambda item: item.layer(),
self.qgisTView.selectedLayerNodes())
self._addLayersQgis(layersQgis)
@pyqtSlot('QgsLayerTreeNode', int, int)
def addedChildrenLayer(self, ltg, indexFrom, indexTo):
layersQgis = map(lambda item: item.layer(), ltg.findLayers())
self._addLayersQgis(layersQgis, False)
@pyqtSlot('QgsLayerTreeNode', int, int)
def onRemovedChildrenQgisRoot(self, ltg, indexFrom, indexTo):
if not self.qgisSyncGroup is None and not self.qgisSyncGroup in self.root.children(
):
self.qgisSyncGroup = None
self.dockLegend.addNameSyncGroup("None")
msg = "Removed synchronized group (main map)"
self.messageBar.pushMessage(msg, QgsMessageBar.INFO, 4)
@pyqtSlot()
def onSyncGroupAddLayersQgis(self):
msg = "Need active a group in main map with new layers"
ltn = self.qgisTView.currentNode()
if not isinstance(ltn, QgsLayerTreeGroup) or ltn == self.root:
self.messageBar.pushMessage(msg, QgsMessageBar.WARNING, 3)
return
if not self._syncGroupAddLayersQgis(ltn):
self.messageBar.pushMessage(msg, QgsMessageBar.WARNING, 3)
@pyqtSlot('QgsMapLayer')
def onRemoveLayers(self, layer):
self._connectVectorRefresh(layer, False)
@pyqtSlot()
def onNeedSelectLayer(self):
self.messageBar.pushMessage("Need select layer(s)",
QgsMessageBar.WARNING, 2)
@pyqtSlot('QgsMapLayer')
def onCurrentLayerQgis(self, layer):
if layer is None:
self.messageBar.pushMessage("Need active layer",
QgsMessageBar.WARNING, 2)
else:
self.qgisTView.setCurrentLayer(layer)
@pyqtSlot('QgsMapLayer')
def onCurrentLayerChanged(self, layer):
hasLayer = True if not layer is None else False
selectName = "Select layer '%s'" % layer.name(
) if hasLayer else "None select layer"
title = "#%d - %s" % (self.numWin, selectName)
self.setWindowTitle(title)
@pyqtSlot()
def onClosedLegend(self):
self.actLegend.setText("Show layers")
@pyqtSlot()
def onActionLegend(self):
self.actLegend.setText("")
self.dockLegend.show()
def run(item, action, mainwindow):
db = item.database()
uri = db.uri()
iface = mainwindow.iface
quoteId = db.connector.quoteId
quoteStr = db.connector.quoteString
# check if the selected item is a topology schema
isTopoSchema = False
if not hasattr(item, 'schema'):
mainwindow.infoBar.pushMessage(
"Invalid topology", u'Select a topology schema to continue.',
Qgis.Info, mainwindow.iface.messageTimeout())
return False
if item.schema() is not None:
sql = u"SELECT srid FROM topology.topology WHERE name = %s" % quoteStr(
item.schema().name)
res = db.executeSql(sql)
isTopoSchema = len(res) > 0
if not isTopoSchema:
mainwindow.infoBar.pushMessage(
"Invalid topology",
u'Schema "{0}" is not registered in topology.topology.'.format(
item.schema().name), Qgis.Warning,
mainwindow.iface.messageTimeout())
return False
if (res[0][0] < 0):
mainwindow.infoBar.pushMessage(
"WARNING",
u'Topology "{0}" is registered as having a srid of {1} in topology.topology, we will assume 0 (for unknown)'
.format(item.schema().name, res[0]), Qgis.Warning,
mainwindow.iface.messageTimeout())
toposrid = '0'
else:
toposrid = str(res[0][0])
# load layers into the current project
toponame = item.schema().name
template_dir = os.path.join(current_path, 'templates')
# do not refresh the canvas until all the layers are added
wasFrozen = iface.mapCanvas().isFrozen()
iface.mapCanvas().freeze()
try:
provider = db.dbplugin().providerName()
uri = db.uri()
# Force use of estimated metadata (topologies can be big)
uri.setUseEstimatedMetadata(True)
# FACES
# face mbr
uri.setDataSource(toponame, 'face', 'mbr', '', 'face_id')
uri.setSrid(toposrid)
uri.setWkbType(QgsWkbTypes.Polygon)
layerFaceMbr = QgsVectorLayer(uri.uri(False),
u'%s.face_mbr' % toponame, provider)
layerFaceMbr.loadNamedStyle(os.path.join(template_dir, 'face_mbr.qml'))
face_extent = layerFaceMbr.extent()
# face geometry
sql = u'SELECT face_id, mbr, topology.ST_GetFaceGeometry(%s,' \
'face_id)::geometry(polygon, %s) as geom ' \
'FROM %s.face WHERE face_id > 0' % \
(quoteStr(toponame), toposrid, quoteId(toponame))
uri.setDataSource('', u'(%s\n)' % sql, 'geom', '', 'face_id')
uri.setParam('bbox', 'mbr')
uri.setSrid(toposrid)
uri.setWkbType(QgsWkbTypes.Polygon)
layerFaceGeom = QgsVectorLayer(uri.uri(False), u'%s.face' % toponame,
provider)
layerFaceGeom.setExtent(face_extent)
layerFaceGeom.loadNamedStyle(os.path.join(template_dir, 'face.qml'))
# face_seed
sql = u'SELECT face_id, mbr, ST_PointOnSurface(' \
'topology.ST_GetFaceGeometry(%s,' \
'face_id))::geometry(point, %s) as geom ' \
'FROM %s.face WHERE face_id > 0' % \
(quoteStr(toponame), toposrid, quoteId(toponame))
uri.setDataSource('', u'(%s)' % sql, 'geom', '', 'face_id')
uri.setParam('bbox', 'mbr')
uri.setSrid(toposrid)
uri.setWkbType(QgsWkbTypes.Point)
layerFaceSeed = QgsVectorLayer(uri.uri(False),
u'%s.face_seed' % toponame, provider)
layerFaceSeed.setExtent(face_extent)
layerFaceSeed.loadNamedStyle(
os.path.join(template_dir, 'face_seed.qml'))
# TODO: add polygon0, polygon1 and polygon2 ?
# NODES
# node
uri.setDataSource(toponame, 'node', 'geom', '', 'node_id')
uri.removeParam('bbox')
uri.setSrid(toposrid)
uri.setWkbType(QgsWkbTypes.Point)
layerNode = QgsVectorLayer(uri.uri(False), u'%s.node' % toponame,
provider)
layerNode.loadNamedStyle(os.path.join(template_dir, 'node.qml'))
node_extent = layerNode.extent()
# node labels
uri.setDataSource(toponame, 'node', 'geom', '', 'node_id')
uri.setSrid(toposrid)
uri.setWkbType(QgsWkbTypes.Point)
uri.removeParam('bbox')
layerNodeLabel = QgsVectorLayer(uri.uri(False),
u'%s.node_id' % toponame, provider)
layerNodeLabel.setExtent(node_extent)
layerNodeLabel.loadNamedStyle(
os.path.join(template_dir, 'node_label.qml'))
# EDGES
# edge
uri.setDataSource(toponame, 'edge_data', 'geom', '', 'edge_id')
uri.setSrid(toposrid)
uri.setWkbType(QgsWkbTypes.LineString)
uri.removeParam('bbox')
layerEdge = QgsVectorLayer(uri.uri(False), u'%s.edge' % toponame,
provider)
edge_extent = layerEdge.extent()
# directed edge
uri.setDataSource(toponame, 'edge_data', 'geom', '', 'edge_id')
uri.setSrid(toposrid)
uri.setWkbType(QgsWkbTypes.LineString)
uri.removeParam('bbox')
layerDirectedEdge = QgsVectorLayer(uri.uri(False),
u'%s.directed_edge' % toponame,
provider)
layerDirectedEdge.setExtent(edge_extent)
layerDirectedEdge.loadNamedStyle(os.path.join(template_dir,
'edge.qml'))
# edge labels
uri.setDataSource(toponame, 'edge_data', 'geom', '', 'edge_id')
uri.setSrid(toposrid)
uri.setWkbType(QgsWkbTypes.LineString)
uri.removeParam('bbox')
layerEdgeLabel = QgsVectorLayer(uri.uri(False),
u'%s.edge_id' % toponame, provider)
layerEdgeLabel.setExtent(edge_extent)
layerEdgeLabel.loadNamedStyle(
os.path.join(template_dir, 'edge_label.qml'))
# face_left
uri.setDataSource(toponame, 'edge_data', 'geom', '', 'edge_id')
uri.setSrid(toposrid)
uri.setWkbType(QgsWkbTypes.LineString)
uri.removeParam('bbox')
layerFaceLeft = QgsVectorLayer(uri.uri(False),
u'%s.face_left' % toponame, provider)
layerFaceLeft.setExtent(edge_extent)
layerFaceLeft.loadNamedStyle(
os.path.join(template_dir, 'face_left.qml'))
# face_right
uri.setDataSource(toponame, 'edge_data', 'geom', '', 'edge_id')
uri.setSrid(toposrid)
uri.setWkbType(QgsWkbTypes.LineString)
uri.removeParam('bbox')
layerFaceRight = QgsVectorLayer(uri.uri(False),
u'%s.face_right' % toponame, provider)
layerFaceRight.setExtent(edge_extent)
layerFaceRight.loadNamedStyle(
os.path.join(template_dir, 'face_right.qml'))
# next_left
uri.setDataSource(toponame, 'edge_data', 'geom', '', 'edge_id')
uri.setSrid(toposrid)
uri.setWkbType(QgsWkbTypes.LineString)
uri.removeParam('bbox')
layerNextLeft = QgsVectorLayer(uri.uri(False),
u'%s.next_left' % toponame, provider)
layerNextLeft.setExtent(edge_extent)
layerNextLeft.loadNamedStyle(
os.path.join(template_dir, 'next_left.qml'))
# next_right
uri.setDataSource(toponame, 'edge_data', 'geom', '', 'edge_id')
uri.setSrid(toposrid)
uri.setWkbType(QgsWkbTypes.LineString)
uri.removeParam('bbox')
layerNextRight = QgsVectorLayer(uri.uri(False),
u'%s.next_right' % toponame, provider)
layerNextRight.setExtent(edge_extent)
layerNextRight.loadNamedStyle(
os.path.join(template_dir, 'next_right.qml'))
# Add layers to the layer tree
faceLayers = [layerFaceMbr, layerFaceGeom, layerFaceSeed]
nodeLayers = [layerNode, layerNodeLabel]
edgeLayers = [
layerEdge, layerDirectedEdge, layerEdgeLabel, layerFaceLeft,
layerFaceRight, layerNextLeft, layerNextRight
]
QgsProject.instance().addMapLayers(faceLayers, False)
QgsProject.instance().addMapLayers(nodeLayers, False)
QgsProject.instance().addMapLayers(edgeLayers, False)
# Organize layers in groups
groupFaces = QgsLayerTreeGroup(u'Faces')
for layer in faceLayers:
nodeLayer = groupFaces.addLayer(layer)
nodeLayer.setItemVisibilityChecked(False)
nodeLayer.setExpanded(False)
groupNodes = QgsLayerTreeGroup(u'Nodes')
for layer in nodeLayers:
nodeLayer = groupNodes.addLayer(layer)
nodeLayer.setItemVisibilityChecked(False)
nodeLayer.setExpanded(False)
groupEdges = QgsLayerTreeGroup(u'Edges')
for layer in edgeLayers:
nodeLayer = groupEdges.addLayer(layer)
nodeLayer.setItemVisibilityChecked(False)
nodeLayer.setExpanded(False)
supergroup = QgsLayerTreeGroup(u'Topology "%s"' % toponame)
supergroup.insertChildNodes(-1, [groupFaces, groupNodes, groupEdges])
layerTree = QgsProject.instance().layerTreeRoot()
layerTree.addChildNode(supergroup)
# Set layers rendering order
order = layerTree.layerOrder()
order.insert(0, order.pop(order.index(layerFaceMbr)))
order.insert(0, order.pop(order.index(layerFaceGeom)))
order.insert(0, order.pop(order.index(layerEdge)))
order.insert(0, order.pop(order.index(layerDirectedEdge)))
order.insert(0, order.pop(order.index(layerNode)))
order.insert(0, order.pop(order.index(layerFaceSeed)))
order.insert(0, order.pop(order.index(layerNodeLabel)))
order.insert(0, order.pop(order.index(layerEdgeLabel)))
order.insert(0, order.pop(order.index(layerNextLeft)))
order.insert(0, order.pop(order.index(layerNextRight)))
order.insert(0, order.pop(order.index(layerFaceLeft)))
order.insert(0, order.pop(order.index(layerFaceRight)))
layerTree.setHasCustomLayerOrder(True)
layerTree.setCustomLayerOrder(order)
finally:
# Set canvas extent to topology extent, if not yet initialized
canvas = iface.mapCanvas()
if (canvas.fullExtent().isNull()):
ext = node_extent
ext.combineExtentWith(edge_extent)
# Grow by 1/20 of largest side
ext = ext.buffered(max(ext.width(), ext.height()) / 20)
canvas.setExtent(ext)
# restore canvas render flag
if not wasFrozen:
iface.mapCanvas().freeze(False)
return True
class AuxiliaryWindow(QMainWindow):
closed = pyqtSignal( int )
def __init__(self, parent, geometryWin, numWin):
def populateStatusBar():
statusBar = self.statusBar()
w = QCheckBox( "Render", self )
w.setObjectName( 'renderCheck')
w.setToolTip( "Toggle map rendering" )
w.setChecked( True )
statusBar.addPermanentWidget( w )
w = QCheckBox( "Marker", self )
w.setObjectName( 'markerCheck')
w.setToolTip( "Toggle marker with cursor position from main map" )
w.setChecked( False )
statusBar.addPermanentWidget( w, 1 )
w = QCheckBox( "Extent", self )
w.setObjectName( 'extentCheck')
w.setToolTip( "Show extent of main map" )
w.setChecked( False )
statusBar.addPermanentWidget( w, 1 )
w = QToolButton(self)
w.setObjectName( 'highlightBtn')
w.setToolTip( "Highlight extent in main map" )
w.setText("Highlight")
statusBar.addPermanentWidget( w, 1 )
w = QLabel( "Scale factor:", self )
w.setObjectName( 'scaleFactorLabel')
w.setAlignment(Qt.AlignRight | Qt.AlignVCenter)
statusBar.addPermanentWidget( w, 1 )
w = QDoubleSpinBox(self)
w.setObjectName( 'scaleFactorSpin')
w.setToolTip( "Current scale factor of main map" )
w.setMinimum(0.0)
w.setMaximum(1000.0)
w.setDecimals(3)
w.setValue(1)
w.setSingleStep(.05)
statusBar.addPermanentWidget( w, 1 )
w = QToolButton(self)
w.setObjectName( 'scaleBtn')
w.setToolTip( "Set scale for main map" )
w.setText("Scale: ")
statusBar.addPermanentWidget( w, 1 )
def setupUi():
self.setObjectName( "AuxiliaryWindow" )
self.setGeometry( geometryWin )
self.addDockWidget ( Qt.LeftDockWidgetArea, self.dockLegend )
self.actLegend = self.menuBar().addAction("")
self.actLegend.triggered.connect( self.onActionLegend )
self.canvas.setMapTool( self.toolPan )
self.canvas.setCanvasColor( QColor(255,255,255) )
self.canvas.enableAntiAliasing( False )
self.canvas.useImageToRender( False )
self.canvas.setWheelAction( QgsMapCanvas.WheelZoom )
self.setCentralWidget( centralWidget )
self.messageBar.setSizePolicy( QSizePolicy.Minimum, QSizePolicy.Fixed )
layout = QGridLayout()
layout.setContentsMargins( 0, 0, 0, 0 )
layout.addWidget( self.canvas, 0, 0, 2, 1 )
layout.addWidget( self.messageBar, 0, 0, 1, 1 )
centralWidget.setLayout( layout )
super( AuxiliaryWindow, self ).__init__( parent )
centralWidget = QWidget( self )
self.canvas = QgsMapCanvas( centralWidget )
self.messageBar = QgsMessageBar( centralWidget )
self.toolPan = QgsMapToolPan( self.canvas )
self.qgisCanvas = qgis.utils.iface.mapCanvas()
self.qgisTView = qgis.utils.iface.layerTreeView()
self.qgisSyncGroup = None
self.numWin = numWin
self.ltg = QgsLayerTreeGroup('', Qt.Unchecked)
self.dockLegend = AuxiliaryLegend( self, numWin )
self.root = QgsProject.instance().layerTreeRoot()
self.extent = self.actLegend = None
self.marker = MarkerWindow( self.canvas )
setupUi()
populateStatusBar()
self.onCurrentLayerChanged( None )
self.onDestinationCrsChanged_MapUnitsChanged()
self.onHasCrsTransformEnabledChanged( self.qgisCanvas.hasCrsTransformEnabled() )
def _connect(self, isConnect = True):
widgets = {
'scaleBtn': self.findChild( QToolButton, 'scaleBtn'),
'renderCheck': self.findChild( QCheckBox, 'renderCheck'),
'markerCheck': self.findChild( QCheckBox, 'markerCheck'),
'extentCheck': self.findChild( QCheckBox, 'extentCheck'),
'highlightBtn': self.findChild( QToolButton, 'highlightBtn'),
'scaleFactorSpin': self.findChild( QDoubleSpinBox, 'scaleFactorSpin')
}
signal_slot = (
{ 'signal': widgets['scaleBtn'].clicked, 'slot': self.onClickedScale },
{ 'signal': widgets['renderCheck'].toggled, 'slot': self.onToggledRender },
{ 'signal': widgets['markerCheck'].toggled, 'slot': self.onToggledMarker },
{ 'signal': widgets['extentCheck'].toggled, 'slot': self.onToggledExtent },
{ 'signal': widgets['highlightBtn'].clicked, 'slot': self.onClickedHighlight },
{ 'signal': widgets['scaleFactorSpin'].valueChanged, 'slot': self.onValueChangedScale },
{ 'signal': self.dockLegend.currentLayerChanged, 'slot': self.onCurrentLayerChanged },
{ 'signal': self.dockLegend.currentLayerQgis, 'slot': self.onCurrentLayerQgis },
{ 'signal': self.dockLegend.syncGroupLayer, 'slot': self.onSyncGroupAddLayersQgis },
{ 'signal': self.dockLegend.addSelectedLayersQgis, 'slot': self.onAddSelectedLayersQgis },
{ 'signal': self.dockLegend.removeLayer, 'slot': self.onRemoveLayers },
{ 'signal': self.dockLegend.needSelectLayer, 'slot': self.onNeedSelectLayer },
{ 'signal': self.dockLegend.closed, 'slot': self.onClosedLegend },
{ 'signal': self.canvas.extentsChanged, 'slot': self.onExtentsChangedMirror },
{ 'signal': self.qgisCanvas.extentsChanged, 'slot': self.onExtentsChangedQgisCanvas },
{ 'signal': self.qgisCanvas.xyCoordinates, 'slot': self.marker.onXYCoordinates },
{ 'signal': self.qgisCanvas.destinationCrsChanged, 'slot': self.onDestinationCrsChanged_MapUnitsChanged },
{ 'signal': self.qgisCanvas.mapUnitsChanged, 'slot': self.onDestinationCrsChanged_MapUnitsChanged },
{ 'signal': self.qgisCanvas.hasCrsTransformEnabledChanged, 'slot': self.onHasCrsTransformEnabledChanged },
{ 'signal': self.root.removedChildren, 'slot': self.onRemovedChildrenQgisRoot },
{ 'signal': QgsMapLayerRegistry.instance().layersWillBeRemoved, 'slot': self.onLayersWillBeRemoved }
)
if isConnect:
for item in signal_slot:
item['signal'].connect( item['slot'] )
else:
for item in signal_slot:
item['signal'].disconnect( item['slot'] )
def _extentsChanged(self, canvasOrigin, originSlot, canvasDest, scaleFactor=None):
canvasOrigin.extentsChanged.disconnect( originSlot )
if scaleFactor is None:
scale = canvasOrigin.scale()
canvasOrigin.setExtent( canvasDest.extent() )
canvasOrigin.zoomScale( scale )
else:
canvasOrigin.setExtent( canvasDest.extent() )
canvasOrigin.zoomScale( scaleFactor * canvasDest.scale() )
canvasOrigin.extentsChanged.connect( originSlot )
def _textScaleBtnChanched(self):
scale = locale.format( "%.0f", self.canvas.scale(), True )
w = self.findChild( QToolButton, 'scaleBtn' )
w.setText("Scale 1:%s" % scale )
def _extent(self):
rect = self.qgisCanvas.extent()
p1 = QgsPoint( rect.xMinimum() , rect.yMinimum() )
p2 = QgsPoint( rect.xMinimum() , rect.yMaximum() )
p3 = QgsPoint( rect.xMaximum() , rect.yMaximum() )
p4 = QgsPoint( rect.xMaximum() , rect.yMinimum() )
p5 = QgsPoint( rect.xMinimum() , rect.yMinimum() )
points = [ p1, p2, p3, p4, p5 ]
self.extent.setToGeometry(QgsGeometry.fromPolyline (points), None)
def _execFunction( self, func, arg, signal, slot):
signal.disconnect( slot )
func( arg )
signal.connect( slot )
def _connectVectorRefresh(self, layer, isConnect=True):
if isinstance( layer, QgsVectorLayer ):
f = layer.editCommandEnded.connect if isConnect else layer.editCommandEnded.disconnect
f( self.canvas.refresh )
def _addLayersQgis( self, layersQgis, needMsg=True ):
self.dockLegend.clearBridge()
l1 = set( layersQgis )
l2 = set( map( lambda item: item.layer(), self.ltg.findLayers() ) )
layers = list( l1 - l2 )
if len( layers ) == 0:
if needMsg:
self.messageBar.pushMessage("Need select new layer(s) in main map", QgsMessageBar.WARNING, 2 )
else:
# Get order by layersQgis
for item in layersQgis:
if item in layers:
self.ltg.addLayer( item )
self._connectVectorRefresh( item )
self.dockLegend.setBridge( self.canvas )
def _syncGroupAddLayersQgis( self, ltg ):
layersQgis = map( lambda item: item.layer(), ltg.findLayers() )
if len( layersQgis ) == 0:
return False
name = ltg.name()
if self.qgisSyncGroup == ltg:
msg = "Already synchronized group (main map) -> '%s'" % name
self.messageBar.pushMessage( msg, QgsMessageBar.INFO, 4 )
return True
if not self.qgisSyncGroup is None:
self.qgisSyncGroup.addedChildren.disconnect( self.addedChildrenLayer )
self.qgisSyncGroup = ltg
self.qgisSyncGroup.addedChildren.connect( self.addedChildrenLayer )
self.dockLegend.addNameSyncGroup( name )
msg = "Changed synchronized group (main map) -> '%s'" % name
self.messageBar.pushMessage( msg, QgsMessageBar.INFO, 4 )
self._addLayersQgis( layersQgis )
return True
def run(self):
if len( self.qgisTView.selectedLayerNodes() ) > 0:
self.onAddSelectedLayersQgis()
else:
ltn = self.qgisTView.currentNode()
if not isinstance( ltn, QgsLayerTreeGroup ):
return False
else:
if ltn == self.root:
return False
else:
if not self._syncGroupAddLayersQgis( ltn ):
return False
self.dockLegend.setBridge( self.canvas)
self.canvas.setRenderFlag( False )
self.show() # Need show before self._connect()
self._connect()
self.canvas.setExtent( self.qgisCanvas.extent() )
w = self.findChild( QDoubleSpinBox, 'scaleFactorSpin')
w.setValue( 1 )
self.canvas.setRenderFlag( True )
return True
def getLayersCanvas(self):
layerIds = map(lambda x: x.layerId(), self.ltg.findLayers() )
layerChecks = map(lambda x: str( x.isVisible() ), self.ltg.findLayers() )
return ( layerIds, layerChecks )
def setLayersCanvas(self, layerIds, layerChecks ):
prevFlag = self.canvas.renderFlag()
self.canvas.setRenderFlag( False )
lyrRegs = QgsMapLayerRegistry.instance()
for id in range( len( layerIds ) ):
layer = lyrRegs.mapLayer( layerIds[id] )
isVisible = int( layerChecks[id] )
if not layer is None:
self.ltg.addLayer( layer ).setVisible( isVisible )
self.canvas.setRenderFlag( prevFlag )
def getWindowSetting(self):
g = self.geometry()
r = self.canvas.extent()
nodes = self.ltg.findLayers()
currentLayer = self.dockLegend.tview.currentLayer()
currentLayerId = currentLayer.id() if not currentLayer is None else "None"
windowSetting = {
'numWin': self.numWin,
'geometryWin': { 'x': g.x(), 'y': g.y(), 'width': g.width(), 'height': g.height() },
'extentCanvas': { 'xmin': r.xMinimum(), 'ymin': r.yMinimum(), 'xmax': r.xMaximum(), 'ymax': r.yMaximum() },
'currentLayerId': currentLayerId,
'layerIds' : ' '.join( map(lambda item: item.layerId(), nodes ) ),
'visibles': ' '.join( map(lambda item: str( int( item.isVisible() ) ), nodes ) )
}
for item in ( 'render', 'marker', 'extent' ):
nameGui = "%sCheck" % item
windowSetting[ item ] = int( self.findChild( QCheckBox, nameGui).isChecked() )
return windowSetting
def setWindowSetting(self, windowSetting):
self.numWin = windowSetting['numWin']
# Populate with layers and set Bridge for legend
layerIds = windowSetting['layerIds'].split(' ')
visibles = map( lambda item: bool( int( item ) ), windowSetting['visibles'].split(' ') )
ltg = self.qgisTView.layerTreeModel().rootGroup()
for id in range( len( layerIds ) ):
node = ltg.findLayer( layerIds[ id ] )
if node is None:
continue
layer = node.layer()
visible = Qt.Checked if visibles[ id ] else Qt.Unchecked
self._connectVectorRefresh( layer )
self.ltg.addLayer( layer ).setVisible( visible )
self.dockLegend.setBridge( self.canvas)
self.show() # Need show before self._connect()
self._connect()
node = ltg.findLayer( windowSetting['currentLayerId'] )
if not node is None:
layer = node.layer()
self.dockLegend.tview.setCurrentLayer( layer )
w = windowSetting['extentCanvas']
self.canvas.setExtent( QgsRectangle( w['xmin'], w['ymin'], w['xmax'], w['ymax'] ) )
for item in ( 'render', 'marker', 'extent' ):
value = bool( windowSetting[ item ] )
nameGui = "%sCheck" % item
self.findChild( QCheckBox, nameGui ).setChecked( value )
def closeEvent(self, event):
self._connect( False )
event.accept()
self.closed.emit( self.numWin )
@pyqtSlot(int)
def onValueChangedScale(self, scaleFactor):
w = self.findChild( QCheckBox, 'renderCheck')
if not w.isChecked():
return
self._execFunction(
self.canvas.zoomScale, scaleFactor * self.qgisCanvas.scale(),
self.canvas.extentsChanged, self.onExtentsChangedMirror
)
self._textScaleBtnChanched()
@pyqtSlot()
def onClickedScale(self):
self._execFunction(
self.qgisCanvas.zoomScale, self.canvas.scale(),
self.qgisCanvas.extentsChanged, self.onExtentsChangedQgisCanvas
)
w = self.findChild( QDoubleSpinBox, 'scaleFactorSpin' )
self._execFunction( w.setValue, 1.0, w.valueChanged, self.onValueChangedScale )
@pyqtSlot()
def onClickedHighlight(self):
def removeRB():
rb.reset( True )
self.qgisCanvas.scene().removeItem( rb )
rb = QgsRubberBand( self.qgisCanvas, QGis.Polygon)
rb.setBorderColor( QColor( 255, 0, 0 ) )
rb.setWidth( 2 )
rb.setToGeometry( QgsGeometry.fromRect( self.canvas.extent() ), None )
QTimer.singleShot( 2000, removeRB )
@pyqtSlot(bool)
def onToggledRender(self, enabled):
if enabled:
self.canvas.setMapTool(self.toolPan)
w = self.findChild( QDoubleSpinBox, 'scaleFactorSpin' )
self._extentsChanged( self.canvas, self.onExtentsChangedMirror, self.qgisCanvas, w.value() )
self._textScaleBtnChanched()
self.canvas.setWheelAction( QgsMapCanvas.WheelZoom )
else:
self.canvas.unsetMapTool(self.toolPan)
self.canvas.setWheelAction( QgsMapCanvas.WheelNothing )
self.canvas.setRenderFlag( enabled )
@pyqtSlot(bool)
def onToggledMarker(self, enabled):
self.marker.add() if enabled else self.marker.remove()
@pyqtSlot(bool)
def onToggledExtent(self, enabled):
def setExtent():
if not self.extent is None:
self.canvas.scene().removeItem( self.extent )
self.extent = QgsRubberBand( self.canvas, QGis.Polygon )
self.extent.setBorderColor( QColor( 255, 0 , 0 ) )
self.extent.setWidth( 2 )
self._extent()
if enabled:
setExtent()
else:
if not self.extent is None:
self.canvas.scene().removeItem( self.extent )
self.extent = None
@pyqtSlot()
def onExtentsChangedMirror(self):
w = self.findChild( QCheckBox, 'renderCheck')
if not w.isChecked():
return
self._extentsChanged( self.qgisCanvas, self.onExtentsChangedQgisCanvas, self.canvas )
self._textScaleBtnChanched()
w = self.findChild( QDoubleSpinBox, 'scaleFactorSpin' )
self._execFunction(
w.setValue, self.canvas.scale() / self.qgisCanvas.scale(),
w.valueChanged, self.onValueChangedScale
)
if not self.extent is None:
self._extent()
@pyqtSlot()
def onExtentsChangedQgisCanvas(self):
w = self.findChild( QCheckBox, 'renderCheck')
if not w.isChecked():
return
w = self.findChild( QDoubleSpinBox, 'scaleFactorSpin' )
self._extentsChanged( self.canvas, self.onExtentsChangedMirror, self.qgisCanvas, w.value() )
self._textScaleBtnChanched()
if not self.extent is None:
self._extent()
@pyqtSlot()
def onDestinationCrsChanged_MapUnitsChanged(self):
prevFlag = self.canvas.renderFlag()
self.canvas.setRenderFlag( False )
self.canvas.setDestinationCrs( self.qgisCanvas.mapRenderer().destinationCrs() )
self.canvas.setMapUnits( self.qgisCanvas.mapUnits() )
self.canvas.setRenderFlag( prevFlag )
@pyqtSlot(bool)
def onHasCrsTransformEnabledChanged(self, enabled):
prevFlag = self.canvas.renderFlag()
self.canvas.setRenderFlag( False )
self.canvas.mapRenderer().setProjectionsEnabled( enabled )
self.canvas.setRenderFlag( prevFlag )
@pyqtSlot(list)
def onLayersWillBeRemoved( self, theLayerIds ):
ids = list( set( self.ltg.findLayerIds() ) & set( theLayerIds ) ) # intersection
nodes = map( lambda item: self.ltg.findLayer( item ), ids )
for item in nodes:
self._connectVectorRefresh( item.layer(), False )
self.ltg.removeChildNode( item )
@pyqtSlot()
def onAddSelectedLayersQgis( self ):
layersQgis = map( lambda item: item.layer(), self.qgisTView.selectedLayerNodes() )
self._addLayersQgis( layersQgis )
@pyqtSlot('QgsLayerTreeNode', int, int)
def addedChildrenLayer(self, ltg, indexFrom, indexTo):
layersQgis = map( lambda item: item.layer(), ltg.findLayers() )
self._addLayersQgis( layersQgis, False )
@pyqtSlot('QgsLayerTreeNode', int, int)
def onRemovedChildrenQgisRoot(self, ltg, indexFrom, indexTo):
if not self.qgisSyncGroup is None and not self.qgisSyncGroup in self.root.children():
self.qgisSyncGroup = None
self.dockLegend.addNameSyncGroup( "None" )
msg = "Removed synchronized group (main map)"
self.messageBar.pushMessage( msg, QgsMessageBar.INFO, 4 )
@pyqtSlot()
def onSyncGroupAddLayersQgis( self):
msg = "Need active a group in main map with new layers"
ltn = self.qgisTView.currentNode()
if not isinstance( ltn, QgsLayerTreeGroup ) or ltn == self.root:
self.messageBar.pushMessage( msg, QgsMessageBar.WARNING, 3 )
return
if not self._syncGroupAddLayersQgis( ltn ):
self.messageBar.pushMessage( msg, QgsMessageBar.WARNING, 3 )
@pyqtSlot( 'QgsMapLayer' )
def onRemoveLayers( self, layer ):
self._connectVectorRefresh(layer, False)
@pyqtSlot()
def onNeedSelectLayer(self):
self.messageBar.pushMessage("Need select layer(s)", QgsMessageBar.WARNING, 2 )
@pyqtSlot('QgsMapLayer')
def onCurrentLayerQgis(self, layer ):
if layer is None:
self.messageBar.pushMessage("Need active layer", QgsMessageBar.WARNING, 2 )
else:
self.qgisTView.setCurrentLayer( layer )
@pyqtSlot('QgsMapLayer')
def onCurrentLayerChanged(self, layer ):
hasLayer = True if not layer is None else False
selectName = "Select layer '%s'" % layer.name() if hasLayer else "None select layer"
title = "#%d - %s" % ( self.numWin, selectName )
self.setWindowTitle( title )
@pyqtSlot()
def onClosedLegend(self):
self.actLegend.setText( "Show layers" )
@pyqtSlot()
def onActionLegend(self):
self.actLegend.setText( "" )
self.dockLegend.show()
def __init__(self, parent, geometryWin, numWin):
def populateStatusBar():
statusBar = self.statusBar()
w = QCheckBox( "Render", self )
w.setObjectName( 'renderCheck')
w.setToolTip( "Toggle map rendering" )
w.setChecked( True )
statusBar.addPermanentWidget( w )
w = QCheckBox( "Marker", self )
w.setObjectName( 'markerCheck')
w.setToolTip( "Toggle marker with cursor position from main map" )
w.setChecked( False )
statusBar.addPermanentWidget( w, 1 )
w = QCheckBox( "Extent", self )
w.setObjectName( 'extentCheck')
w.setToolTip( "Show extent of main map" )
w.setChecked( False )
statusBar.addPermanentWidget( w, 1 )
w = QToolButton(self)
w.setObjectName( 'highlightBtn')
w.setToolTip( "Highlight extent in main map" )
w.setText("Highlight")
statusBar.addPermanentWidget( w, 1 )
w = QLabel( "Scale factor:", self )
w.setObjectName( 'scaleFactorLabel')
w.setAlignment(Qt.AlignRight | Qt.AlignVCenter)
statusBar.addPermanentWidget( w, 1 )
w = QDoubleSpinBox(self)
w.setObjectName( 'scaleFactorSpin')
w.setToolTip( "Current scale factor of main map" )
w.setMinimum(0.0)
w.setMaximum(1000.0)
w.setDecimals(3)
w.setValue(1)
w.setSingleStep(.05)
statusBar.addPermanentWidget( w, 1 )
w = QToolButton(self)
w.setObjectName( 'scaleBtn')
w.setToolTip( "Set scale for main map" )
w.setText("Scale: ")
statusBar.addPermanentWidget( w, 1 )
def setupUi():
self.setObjectName( "AuxiliaryWindow" )
self.setGeometry( geometryWin )
self.addDockWidget ( Qt.LeftDockWidgetArea, self.dockLegend )
self.actLegend = self.menuBar().addAction("")
self.actLegend.triggered.connect( self.onActionLegend )
self.canvas.setMapTool( self.toolPan )
self.canvas.setCanvasColor( QColor(255,255,255) )
self.canvas.enableAntiAliasing( False )
self.canvas.useImageToRender( False )
self.canvas.setWheelAction( QgsMapCanvas.WheelZoom )
self.setCentralWidget( centralWidget )
self.messageBar.setSizePolicy( QSizePolicy.Minimum, QSizePolicy.Fixed )
layout = QGridLayout()
layout.setContentsMargins( 0, 0, 0, 0 )
layout.addWidget( self.canvas, 0, 0, 2, 1 )
layout.addWidget( self.messageBar, 0, 0, 1, 1 )
centralWidget.setLayout( layout )
super( AuxiliaryWindow, self ).__init__( parent )
centralWidget = QWidget( self )
self.canvas = QgsMapCanvas( centralWidget )
self.messageBar = QgsMessageBar( centralWidget )
self.toolPan = QgsMapToolPan( self.canvas )
self.qgisCanvas = qgis.utils.iface.mapCanvas()
self.qgisTView = qgis.utils.iface.layerTreeView()
self.qgisSyncGroup = None
self.numWin = numWin
self.ltg = QgsLayerTreeGroup('', Qt.Unchecked)
self.dockLegend = AuxiliaryLegend( self, numWin )
self.root = QgsProject.instance().layerTreeRoot()
self.extent = self.actLegend = None
self.marker = MarkerWindow( self.canvas )
setupUi()
populateStatusBar()
self.onCurrentLayerChanged( None )
self.onDestinationCrsChanged_MapUnitsChanged()
self.onHasCrsTransformEnabledChanged( self.qgisCanvas.hasCrsTransformEnabled() )
def fusionnerJointure(self, cheminCompletParcelle, jointureChoisie):
""" Selon les tables déja ouverte dans le projet : ouverture si necessaire des différents cas de délimiteurs
Jointure par QGIS """
# Vérification du projet ouverte
monProjet = QgsProject.instance()
if monProjet.fileName() == None or monProjet.fileName() == "":
monPrint("Projet en cours de création", T_WAR)
else:
monPrint("Projet ouvert {}".format(monProjet.fileName()))
root = monProjet.layerTreeRoot()
# Création du groupe jointure_date
dateMaintenant = datetime.now()
nomGroupe = MonParcellaire_JOI + " du " + dateMaintenant.strftime(
"%d %b à %Hh%M:%S")
temporaireGroupe = QgsLayerTreeGroup(nomGroupe)
# Positionner en haut de root
root.addChildNode(temporaireGroupe)
nouveauGroupe = temporaireGroupe.clone()
root.insertChildNode(0, nouveauGroupe)
root.removeChildNode(temporaireGroupe)
# Ouverture du vecteur parcelle
parcelle = QgsVectorLayer(
cheminCompletParcelle,
MonParcellaire_PAR + SEP_U + MonParcellaire_JOI, 'ogr')
monProjet.addMapLayer(parcelle, False)
nouveauGroupe.addLayer(parcelle)
# Recherche delimiteur
delimiteur, csv, nomCsv = self.rechercherDelimiteurJointure(
jointureChoisie, "No Pandas")
nomCourtJointure = os.path.basename(jointureChoisie)
monPrint(
"Délimiteur identifié {0} pour {1}".format(delimiteur,
nomCourtJointure), T_OK)
monProjet.addMapLayer(csv, False)
nouveauGroupe.addLayer(csv)
# Jointure
attributsSelectionnes = self.AttributsAJoindre_listWidget.selectedItems(
)
attributsAJoindre = []
for positionAttribut in range(len(attributsSelectionnes)):
attributsAJoindre.append(
str(self.AttributsAJoindre_listWidget.selectedItems()
[positionAttribut].text()))
#monPrint( "Attributs à joindre {}".format( attributsAJoindre))
# Liste des champs dans csv
nomColonnes, _ = self.lireAttributsJointure(jointureChoisie)
attributsAJoindreOrdonne = []
for col in nomColonnes:
if col in attributsAJoindre:
if col != MonParcellaireNomAttribut:
attributsAJoindreOrdonne.append(col)
#monPrint( "Attributs à joindre ordonné {}".format( attributsAJoindreOrdonne))
champVecteur = MonParcellaireNomAttribut
maJointure = QgsVectorLayerJoinInfo()
champCsv = self.AttributJointure_comboBox.currentText()
maJointure.setJoinFieldName(champCsv)
maJointure.setTargetFieldName(champVecteur)
maJointure.setUsingMemoryCache(True)
maJointure.setPrefix("")
maJointure.setJoinLayer(csv)
# Récupérer les champs de jointure
maJointure.setJoinFieldNamesSubset(attributsAJoindreOrdonne)
parcelle.addJoin(maJointure)
return jointureChoisie, attributsAJoindreOrdonne
def getLegendGraphic(self, params):
qgsLayer = self.layerRegistry.mapLayer(params.get('layer'))
boxSpace = 1
layerSpace = 2
# layerTitleSpace = 3
symbolSpace = 2
iconLabelSpace = 2
symbolWidth = 5
symbolHeight = 3
drawLegendLabel = True
rootGroup = QgsLayerTreeGroup()
rootGroup.addLayer(qgsLayer)
# layer = QgsLayerTreeLayer(qgsLayer)
# if qgsLayer.title():
# layer.setLayerName(qgsLayer.title())
legendModel = QgsLayerTreeModel(rootGroup)
rootChildren = rootGroup.children()
img_tmp = QImage(QSize(1, 1), QImage.Format_ARGB32_Premultiplied)
dpm = 1 / 0.00028
img_tmp.setDotsPerMeterX(dpm)
img_tmp.setDotsPerMeterY(dpm)
dpmm = img_tmp.dotsPerMeterX() / 1000.0
del img_tmp
legendSettings = QgsLegendSettings()
legendSettings.setTitle('')
legendSettings.setBoxSpace(boxSpace)
legendSettings.rstyle(QgsComposerLegendStyle.Subgroup).setMargin(QgsComposerLegendStyle.Top, layerSpace)
legendSettings.rstyle(QgsComposerLegendStyle.Symbol).setMargin(QgsComposerLegendStyle.Top, symbolSpace)
legendSettings.rstyle(QgsComposerLegendStyle.SymbolLabel).setMargin(QgsComposerLegendStyle.Left, iconLabelSpace)
legendSettings.setSymbolSize(QSizeF(symbolWidth, symbolHeight))
# legendSettings.rstyle(QgsComposerLegendStyle.Subgroup).setFont(layerFont)
# legendSettings.rstyle(QgsComposerLegendStyle.SymbolLabel).setFont(itemFont)
# // TODO: not available: layer font color
# legendSettings.setFontColor( itemFontColor );
# for node in rootChildren:
# if (QgsLayerTree.isLayer(node)):
# QgsLegendRenderer.setNodeLegendStyle(node, QgsComposerLegendStyle.Subgroup)
# # rule item titles
# # if ( !mDrawLegendItemLabel )
# # for legendNode in legendModel.layerLegendNodes(nodeLayer):
# # legendNode.setUserLabel(' ')
# # }
legendRenderer = QgsLegendRenderer(legendModel, legendSettings)
minSize = legendRenderer.minimumSize()
s = QSize(minSize.width() * dpmm, minSize.height() * dpmm)
img = QImage(s, QImage.Format_ARGB32_Premultiplied)
# fill in the background
color = QColor(0, 0, 0, 0)
img.fill(color)
p = QPainter()
p.begin(img)
p.setRenderHint(QPainter.Antialiasing, True)
p.scale(dpmm, dpmm)
legendRenderer.drawLegend(p)
map_buffer = QBuffer()
map_buffer.open(QIODevice.ReadWrite)
img.save(map_buffer, 'PNG')
# clean up
map_buffer.close()
p.end()
# self.layerRegistry.removeAllMapLayers()
return map_buffer.data()
def getDataButtonClicked(self):
clId = self.leClientID.text()
clSecret = self.leClientSecret.text()
if len(clId) == 0 or len(clSecret) == 0:
self._show_message("Некорректные данные", "Данные пользователя не могут быть пустыми")
return
dateTimeFrom = self.dateTimeEditFrom.dateTime()
dateTimeTo = self.dateTimeEditTo.dateTime()
if dateTimeFrom >= dateTimeTo:
self._show_message("Некорректные данные", "Дата 'По' должна быть больше, чем дата 'С'")
return
pjt = QgsProject.instance()
# clear results
layersList = pjt.mapLayersByName(self.resultsLayerName)
if layersList is not None and len(layersList) > 0:
pjt.removeMapLayer(layersList[0])
self.iface.mapCanvas().refresh()
layersList = pjt.mapLayersByName(self.searchAreaLayerName)
polygonGeometry = None
if layersList is not None and len(layersList) > 0:
feat = list(layersList[0].getFeatures())[0]
if feat.hasGeometry():
polygonGeometry = self.geomTransform(
feat.geometry(),
self.iface.mapCanvas().mapSettings().destinationCrs(),
QgsCoordinateReferenceSystem(4326))
if polygonGeometry is None:
self._show_message("Некорректные данные", "Необходимо задать полигон поиска")
return
availableAreaName = "available_area"
shpLayer = QgsVectorLayer(os.path.dirname(__file__) + "/roi/ZRV.shp", availableAreaName, "ogr")
if not shpLayer.isValid():
self._show_message("Некорректные данные", "Некорректный файл с зоной охвата")
return
intersectionGeom = None
for feature in shpLayer.getFeatures():
if feature.geometry().intersects(polygonGeometry):
intersectionGeom = feature.geometry().intersection(polygonGeometry)
if intersectionGeom == None:
layersList = pjt.mapLayersByName(availableAreaName)
if layersList is not None and len(layersList) > 0:
pjt.removeMapLayer(layersList[0])
symbols = shpLayer.renderer().symbols(QgsRenderContext())
symbols[0].setColor(QColor(76, 205, 53, 84))
pjt.addMapLayer(shpLayer, False)
if pjt.layerTreeRoot().findGroup(self.tr(self.groupName)) is None:
pjt.layerTreeRoot().insertChildNode(0, QgsLayerTreeGroup(self.tr(self.groupName)))
group = pjt.layerTreeRoot().findGroup(self.tr(self.groupName))
group.addLayer(shpLayer)
self.iface.layerTreeView().refreshLayerSymbology(shpLayer.id())
geom = self.geomTransform(
list(shpLayer.getFeatures())[0].geometry(),
QgsCoordinateReferenceSystem(4326),
self.iface.mapCanvas().mapSettings().destinationCrs())
self.iface.mapCanvas().setExtent(geom.boundingBox())
self.iface.mapCanvas().refresh()
self._show_message("Некорректные данные", "Полигон поиска лежит за пределами зоны охвата")
return
self.polygon = intersectionGeom.asWkt()
# print("polygon=", self.polygon)
self.__toggle(False, True)
self.getDataButton.setEnabled(False)
QApplication.setOverrideCursor(Qt.WaitCursor)
self.__show_status_label(StatusMessageType.LOAD_STARTED)
self.dataRequest.dataRequest(clId, clSecret, dateTimeFrom, dateTimeTo, self.polygon)
def run(item, action, mainwindow):
db = item.database()
uri = db.uri()
iface = mainwindow.iface
quoteId = db.connector.quoteId
quoteStr = db.connector.quoteString
# check if the selected item is a topology schema
isTopoSchema = False
if not hasattr(item, 'schema'):
mainwindow.infoBar.pushMessage("Invalid topology", u'Select a topology schema to continue.', QgsMessageBar.INFO,
mainwindow.iface.messageTimeout())
return False
if item.schema() is not None:
sql = u"SELECT srid FROM topology.topology WHERE name = %s" % quoteStr(item.schema().name)
c = db.connector._get_cursor()
db.connector._execute(c, sql)
res = db.connector._fetchone(c)
isTopoSchema = res is not None
if not isTopoSchema:
mainwindow.infoBar.pushMessage("Invalid topology",
u'Schema "{0}" is not registered in topology.topology.'.format(
item.schema().name), QgsMessageBar.WARNING,
mainwindow.iface.messageTimeout())
return False
if (res[0] < 0):
mainwindow.infoBar.pushMessage("WARNING", u'Topology "{0}" is registered as having a srid of {1} in topology.topology, we will assume 0 (for unknown)'.format(item.schema().name, res[0]), QgsMessageBar.WARNING, mainwindow.iface.messageTimeout())
toposrid = '0'
else:
toposrid = str(res[0])
# load layers into the current project
toponame = item.schema().name
template_dir = os.path.join(current_path, 'templates')
# do not refresh the canvas until all the layers are added
wasFrozen = iface.mapCanvas().isFrozen()
iface.mapCanvas().freeze()
try:
provider = db.dbplugin().providerName()
uri = db.uri()
# Force use of estimated metadata (topologies can be big)
uri.setUseEstimatedMetadata(True)
# FACES
# face mbr
uri.setDataSource(toponame, 'face', 'mbr', '', 'face_id')
uri.setSrid(toposrid)
uri.setWkbType(QgsWkbTypes.Polygon)
layerFaceMbr = QgsVectorLayer(uri.uri(False), u'%s.face_mbr' % toponame, provider)
layerFaceMbr.loadNamedStyle(os.path.join(template_dir, 'face_mbr.qml'))
face_extent = layerFaceMbr.extent()
# face geometry
sql = u'SELECT face_id, topology.ST_GetFaceGeometry(%s,' \
'face_id)::geometry(polygon, %s) as geom ' \
'FROM %s.face WHERE face_id > 0' % \
(quoteStr(toponame), toposrid, quoteId(toponame))
uri.setDataSource('', u'(%s\n)' % sql, 'geom', '', 'face_id')
uri.setSrid(toposrid)
uri.setWkbType(QgsWkbTypes.Polygon)
layerFaceGeom = QgsVectorLayer(uri.uri(False), u'%s.face' % toponame, provider)
layerFaceGeom.setExtent(face_extent)
layerFaceGeom.loadNamedStyle(os.path.join(template_dir, 'face.qml'))
# face_seed
sql = u'SELECT face_id, ST_PointOnSurface(' \
'topology.ST_GetFaceGeometry(%s,' \
'face_id))::geometry(point, %s) as geom ' \
'FROM %s.face WHERE face_id > 0' % \
(quoteStr(toponame), toposrid, quoteId(toponame))
uri.setDataSource('', u'(%s)' % sql, 'geom', '', 'face_id')
uri.setSrid(toposrid)
uri.setWkbType(QgsWkbTypes.Point)
layerFaceSeed = QgsVectorLayer(uri.uri(False), u'%s.face_seed' % toponame, provider)
layerFaceSeed.setExtent(face_extent)
layerFaceSeed.loadNamedStyle(os.path.join(template_dir, 'face_seed.qml'))
# TODO: add polygon0, polygon1 and polygon2 ?
# NODES
# node
uri.setDataSource(toponame, 'node', 'geom', '', 'node_id')
uri.setSrid(toposrid)
uri.setWkbType(QgsWkbTypes.Point)
layerNode = QgsVectorLayer(uri.uri(False), u'%s.node' % toponame, provider)
layerNode.loadNamedStyle(os.path.join(template_dir, 'node.qml'))
node_extent = layerNode.extent()
# node labels
uri.setDataSource(toponame, 'node', 'geom', '', 'node_id')
uri.setSrid(toposrid)
uri.setWkbType(QgsWkbTypes.Point)
layerNodeLabel = QgsVectorLayer(uri.uri(False), u'%s.node_id' % toponame, provider)
layerNodeLabel.setExtent(node_extent)
layerNodeLabel.loadNamedStyle(os.path.join(template_dir, 'node_label.qml'))
# EDGES
# edge
uri.setDataSource(toponame, 'edge_data', 'geom', '', 'edge_id')
uri.setSrid(toposrid)
uri.setWkbType(QgsWkbTypes.LineString)
layerEdge = QgsVectorLayer(uri.uri(False), u'%s.edge' % toponame, provider)
edge_extent = layerEdge.extent()
# directed edge
uri.setDataSource(toponame, 'edge_data', 'geom', '', 'edge_id')
uri.setSrid(toposrid)
uri.setWkbType(QgsWkbTypes.LineString)
layerDirectedEdge = QgsVectorLayer(uri.uri(False), u'%s.directed_edge' % toponame, provider)
layerDirectedEdge.setExtent(edge_extent)
layerDirectedEdge.loadNamedStyle(os.path.join(template_dir, 'edge.qml'))
# edge labels
uri.setDataSource(toponame, 'edge_data', 'geom', '', 'edge_id')
uri.setSrid(toposrid)
uri.setWkbType(QgsWkbTypes.LineString)
layerEdgeLabel = QgsVectorLayer(uri.uri(False), u'%s.edge_id' % toponame, provider)
layerEdgeLabel.setExtent(edge_extent)
layerEdgeLabel.loadNamedStyle(os.path.join(template_dir, 'edge_label.qml'))
# face_left
uri.setDataSource(toponame, 'edge_data', 'geom', '', 'edge_id')
uri.setSrid(toposrid)
uri.setWkbType(QgsWkbTypes.LineString)
layerFaceLeft = QgsVectorLayer(uri.uri(False), u'%s.face_left' % toponame, provider)
layerFaceLeft.setExtent(edge_extent)
layerFaceLeft.loadNamedStyle(os.path.join(template_dir, 'face_left.qml'))
# face_right
uri.setDataSource(toponame, 'edge_data', 'geom', '', 'edge_id')
uri.setSrid(toposrid)
uri.setWkbType(QgsWkbTypes.LineString)
layerFaceRight = QgsVectorLayer(uri.uri(False), u'%s.face_right' % toponame, provider)
layerFaceRight.setExtent(edge_extent)
layerFaceRight.loadNamedStyle(os.path.join(template_dir, 'face_right.qml'))
# next_left
uri.setDataSource(toponame, 'edge_data', 'geom', '', 'edge_id')
uri.setSrid(toposrid)
uri.setWkbType(QgsWkbTypes.LineString)
layerNextLeft = QgsVectorLayer(uri.uri(False), u'%s.next_left' % toponame, provider)
layerNextLeft.setExtent(edge_extent)
layerNextLeft.loadNamedStyle(os.path.join(template_dir, 'next_left.qml'))
# next_right
uri.setDataSource(toponame, 'edge_data', 'geom', '', 'edge_id')
uri.setSrid(toposrid)
uri.setWkbType(QgsWkbTypes.LineString)
layerNextRight = QgsVectorLayer(uri.uri(False), u'%s.next_right' % toponame, provider)
layerNextRight.setExtent(edge_extent)
layerNextRight.loadNamedStyle(os.path.join(template_dir, 'next_right.qml'))
# Add layers to the layer tree
faceLayers = [layerFaceMbr, layerFaceGeom, layerFaceSeed]
nodeLayers = [layerNode, layerNodeLabel]
edgeLayers = [layerEdge, layerDirectedEdge, layerEdgeLabel
# , layerEdgeFaceLeft, layerEdgeFaceRight, layerEdgeNextLeft, layerEdgeNextRight
]
QgsProject.instance().addMapLayers(faceLayers, False)
groupFaces = QgsLayerTreeGroup(u'Faces')
for layer in faceLayers:
nodeLayer = groupFaces.addLayer(layer)
nodeLayer.setVisible(Qt.Unchecked)
nodeLayer.setExpanded(False)
groupNodes = QgsLayerTreeGroup(u'Nodes')
for layer in nodeLayers:
nodeLayer = groupNodes.addLayer(layer)
nodeLayer.setVisible(Qt.Unchecked)
nodeLayer.setExpanded(False)
groupEdges = QgsLayerTreeGroup(u'Edges')
for layer in edgeLayers:
nodeLayer = groupEdges.addLayer(layer)
nodeLayer.setVisible(Qt.Unchecked)
nodeLayer.setExpanded(False)
supergroup = QgsLayerTreeGroup(u'Topology "%s"' % toponame)
supergroup.insertChildNodes(-1, [groupFaces, groupNodes, groupEdges])
QgsProject.instance().layerTreeRoot().addChildNode(supergroup)
finally:
# Set canvas extent to topology extent, if not yet initialized
canvas = iface.mapCanvas()
if (canvas.fullExtent().isNull()):
ext = node_extent
ext.combineExtentWith(edge_extent)
# Grow by 1/20 of largest side
ext = ext.buffer(max(ext.width(), ext.height()) / 20)
canvas.setExtent(ext)
# restore canvas render flag
if not wasFrozen:
iface.mapCanvas().freeze(False)
return True
def showRequestResult(self, items, append, last, message):
# print("showRequestResult")
if items is None or len(items) == 0:
QApplication.restoreOverrideCursor()
self.__show_status_label(StatusMessageType.LOAD_FINISHED)
self.getDataButton.setEnabled(True)
if message is None or len(message) == 0:
message = "По указанным параметрам ничего не найдено"
self._show_message(self, "Загузка завершена", message)
return
color = QColor(237, 28, 36, 200)
pjt = QgsProject.instance()
layersList = pjt.mapLayersByName(self.resultsLayerName)
if not append:
if layersList is not None and len(layersList) > 0:
pjt.removeMapLayer(layersList[0])
# print("remove results")
layersList.clear()
if not append or layersList is None or len(layersList) == 0:
# print("create layer")
layer = QgsVectorLayer("Point?crs=EPSG:4326"
"&field=coordinatesWKT:string(255)&field=shootingDateTime:string(255)"
"&field=temperature:double(7)&field=pixelSizeInDirection:double(5)"
"&field=pixelSizeAcross:double(5)&field=thermalPower:double(5)"
"&field=baseResourceId:string(255)&field=id:string(255)&field=updated:string(255)"
"&field=satellite:string(10)",
self.resultsLayerName, "memory")
else:
layer = layersList[0]
symbol = QgsSymbol.defaultSymbol(layer.geometryType())
svg_marker = QgsSvgMarkerSymbolLayer(":/plugins/thermal_anomaly/fire.svg")
svg_marker.setSize(6.0)
symbol.changeSymbolLayer(0, svg_marker)
layer.renderer().setSymbol(symbol)
layer.startEditing()
print("all items=", len(items))
poly = QgsGeometry.fromWkt(self.polygon)
for point in items:
symbols = layer.renderer().symbols(QgsRenderContext()) # todo which context ?
symbols[0].setColor(color)
feature = QgsFeature()
coord = QgsGeometry.fromWkt(point["coordinatesWKT"])
feature.setGeometry(coord)
feature.setAttributes([point["coordinatesWKT"], point["shootingDateTime"], point["temperature"],
point["pixelSizeInDirection"], point["pixelSizeAcross"], point["thermalPower"],
point["baseResourceId"], point["id"], point["updated"], point["satellite"]])
layer.dataProvider().addFeatures([feature])
# if not poly.contains(coord):
# print("point out of poly: id =", point["id"], "coord =", point["coordinatesWKT"])
layer.commitChanges()
if not append:
pjt.addMapLayer(layer, False)
if pjt.layerTreeRoot().findGroup(self.tr(self.groupName)) is None:
pjt.layerTreeRoot().insertChildNode(0, QgsLayerTreeGroup(self.tr(self.groupName)))
group = pjt.layerTreeRoot().findGroup(self.tr(self.groupName))
group.insertLayer(0, layer)
self.iface.layerTreeView().refreshLayerSymbology(layer.id())
self.iface.mapCanvas().refresh()
if last:
QApplication.restoreOverrideCursor()
self.__show_status_label(StatusMessageType.LOAD_FINISHED)
self.getDataButton.setEnabled(True)
else:
self.__show_status_label(StatusMessageType.LOAD_STARTED, message)
def draw(self):
rb = self.tool.rb
g = rb.asGeometry()
ok = True
warning = False
errBuffer_noAtt = False
errBuffer_Vertices = False
layer = self.iface.layerTreeView().currentLayer()
if self.toolname == 'drawBuffer':
if self.bGeom is None:
warning = True
errBuffer_noAtt = True
else:
perim, ok = QInputDialog.getDouble(
self.iface.mainWindow(),
self.tr('Perimeter'),
self.tr('Give a perimeter in m:') + '\n' +
self.tr('(works only with metric crs)'),
min=0)
g = self.bGeom.buffer(perim, 40)
rb.setToGeometry(
g,
QgsVectorLayer("Polygon?crs=" + layer.crs().authid(), "",
"memory"))
if g.length() == 0 and ok:
warning = True
errBuffer_Vertices = True
if self.toolname == 'drawCopies':
if g.length() < 0:
warning = True
errBuffer_noAtt = True
if ok and not warning:
name = ''
ok = True
add = False
index = 0
layers = []
while not name.strip() and not add and ok:
dlg = QDrawLayerDialog(self.iface, self.drawShape)
name, add, index, layers, ok = dlg.getName(
self.iface, self.drawShape)
if ok and not warning:
layer = None
if add:
layer = layers[index]
if self.drawShape in ['point', 'XYpoint']:
g = g.centroid()
else:
if self.drawShape == 'point':
layer = QgsVectorLayer(
"Point?crs=" + self.iface.mapCanvas().mapSettings(
).destinationCrs().authid() + "&field=" +
self.tr('Drawings') + ":string(255)", name, "memory")
g = g.centroid() # force geometry as point
elif self.drawShape == 'XYpoint':
layer = QgsVectorLayer(
"Point?crs=" + self.XYcrs.authid() + "&field=" +
self.tr('Drawings') + ":string(255)", name, "memory")
g = g.centroid()
elif self.drawShape == 'line':
layer = QgsVectorLayer(
"LineString?crs=" + self.iface.mapCanvas().mapSettings(
).destinationCrs().authid() + "&field=" +
self.tr('Drawings') + ":string(255)", name, "memory")
# fix_print_with_import
print("LineString?crs=" + self.iface.mapCanvas(
).mapSettings().destinationCrs().authid() + "&field=" +
self.tr('Drawings') + ":string(255)")
else:
layer = QgsVectorLayer(
"Polygon?crs=" + self.iface.mapCanvas().mapSettings(
).destinationCrs().authid() + "&field=" +
self.tr('Drawings') + ":string(255)", name, "memory")
layer.startEditing()
symbols = layer.renderer().symbols(
QgsRenderContext()) # todo which context ?
symbols[0].setColor(self.settings.getColor())
feature = QgsFeature()
feature.setGeometry(g)
feature.setAttributes([name])
layer.dataProvider().addFeatures([feature])
layer.commitChanges()
if not add:
pjt = QgsProject.instance()
pjt.addMapLayer(layer, False)
if pjt.layerTreeRoot().findGroup(self.tr('Drawings')) is None:
pjt.layerTreeRoot().insertChildNode(
0, QgsLayerTreeGroup(self.tr('Drawings')))
group = pjt.layerTreeRoot().findGroup(self.tr('Drawings'))
group.insertLayer(0, layer)
self.iface.layerTreeView().refreshLayerSymbology(layer.id())
self.iface.mapCanvas().refresh()
else:
if warning:
if errBuffer_noAtt:
self.iface.messageBar().pushWarning(
self.tr('Warning'),
self.tr('You didn\'t click on a layer\'s attribute !'))
elif errBuffer_Vertices:
self.iface.messageBar().pushWarning(
self.tr('Warning'),
self.tr('You must give a non-null value for a \
point\'s or line\'s perimeter !'))
else:
self.iface.messageBar().pushWarning(
self.tr('Warning'),
self.tr('There is no selected layer, or it is not \
vector nor visible !'))
self.tool.reset()
self.resetSB()
self.bGeom = None