def currentTemplateChanged(self, index=None):
cbox = self.ui.comboBox_Template
templateType = cbox.itemData(cbox.currentIndex(), Qt.UserRole)
if templateType == self.templateType:
return
# hide items unsupported by template
tree = self.ui.treeWidget
for i, id in enumerate(ObjectTreeItem.topItemIds):
hidden = (templateType == "sphere" and id != ObjectTreeItem.ITEM_CONTROLS)
tree.topLevelItem(i).setHidden(hidden)
# set current tree item
if templateType == "sphere":
tree.setCurrentItem(tree.topLevelItem(ObjectTreeItem.topItemIndex(ObjectTreeItem.ITEM_CONTROLS)))
elif self.lastTreeItemData is None or not self.setCurrentTreeItemByData(self.lastTreeItemData): # restore selection
tree.setCurrentItem(tree.topLevelItem(ObjectTreeItem.topItemIndex(ObjectTreeItem.ITEM_DEM))) # default selection for plain is DEM
# display messages
self.clearMessageBar()
if templateType != "sphere":
# show message if crs unit is degrees
mapSettings = self.iface.mapCanvas().mapSettings() if QGis.QGIS_VERSION_INT >= 20300 else self.iface.mapCanvas().mapRenderer()
if mapSettings.destinationCrs().mapUnits() in [QGis.Degrees]:
self.showMessageBar("The unit of current CRS is degrees, so terrain may not appear well.", QgsMessageBar.WARNING)
self.templateType = templateType
def initObjectTree(self):
tree = self.ui.treeWidget
tree.clear()
# add vector and raster layers into tree widget
topItems = {}
for id, name in zip(ObjectTreeItem.topItemIds, ObjectTreeItem.topItemNames):
item = QTreeWidgetItem(tree, [name])
item.setData(0, Qt.UserRole, id)
topItems[id] = item
optDEMChecked = False
for layer in self.iface.legendInterface().layers():
parentId = ObjectTreeItem.parentIdByLayer(layer)
if parentId is None:
continue
item = QTreeWidgetItem(topItems[parentId], [layer.name()])
isVisible = self._settings.get(parentId, {}).get(layer.id(), {}).get("visible", False) #self.iface.legendInterface().isLayerVisible(layer)
check_state = Qt.Checked if isVisible else Qt.Unchecked
item.setData(0, Qt.CheckStateRole, check_state)
item.setData(0, Qt.UserRole, layer.id())
if parentId == ObjectTreeItem.ITEM_OPTDEM and isVisible:
optDEMChecked = True
for id, item in topItems.iteritems():
if id != ObjectTreeItem.ITEM_OPTDEM or optDEMChecked:
tree.expandItem(item)
# disable additional DEM item which is selected as main DEM
layerId = self._settings.get(ObjectTreeItem.ITEM_DEM, {}).get("comboBox_DEMLayer")
if layerId:
self.primaryDEMChanged(layerId)
def primaryDEMChanged(self, layerId):
tree = self.ui.treeWidget
parent = tree.topLevelItem(ObjectTreeItem.topItemIndex(ObjectTreeItem.ITEM_OPTDEM))
tree.blockSignals(True)
for i in range(parent.childCount()):
item = parent.child(i)
isPrimary = item.data(0, Qt.UserRole) == layerId
item.setDisabled(isPrimary)
tree.blockSignals(False)
def primaryDEMChanged(self, layerId):
tree = self.ui.treeWidget
parent = tree.topLevelItem(
ObjectTreeItem.topItemIndex(ObjectTreeItem.ITEM_OPTDEM))
tree.blockSignals(True)
for i in range(parent.childCount()):
item = parent.child(i)
isPrimary = item.data(0, Qt.UserRole) == layerId
item.setDisabled(isPrimary)
tree.blockSignals(False)
def currentTemplateChanged(self, index=None):
cbox = self.ui.comboBox_Template
templateType = cbox.itemData(cbox.currentIndex(), Qt.UserRole)
if templateType == self.templateType:
return
# hide items unsupported by template
tree = self.ui.treeWidget
for i, id in enumerate(ObjectTreeItem.topItemIds):
hidden = (templateType == "sphere"
and id != ObjectTreeItem.ITEM_CONTROLS)
tree.topLevelItem(i).setHidden(hidden)
# set current tree item
if templateType == "sphere":
tree.setCurrentItem(
tree.topLevelItem(
ObjectTreeItem.topItemIndex(ObjectTreeItem.ITEM_CONTROLS)))
elif self.lastTreeItemData is None or not self.setCurrentTreeItemByData(
self.lastTreeItemData): # restore selection
tree.setCurrentItem(
tree.topLevelItem(
ObjectTreeItem.topItemIndex(ObjectTreeItem.ITEM_DEM))
) # default selection for plain is DEM
# display messages
self.clearMessageBar()
if templateType != "sphere":
# show message if crs unit is degrees
mapSettings = self.iface.mapCanvas().mapSettings(
) if QGis.QGIS_VERSION_INT >= 20300 else self.iface.mapCanvas(
).mapRenderer()
if mapSettings.destinationCrs().mapUnits() in [QGis.Degrees]:
self.showMessageBar(
"The unit of current CRS is degrees, so terrain may not appear well.",
QgsMessageBar.WARNING)
self.templateType = templateType
def initObjectTree(self):
tree = self.ui.treeWidget
tree.clear()
# add vector and raster layers into tree widget
topItems = {}
for id, name in zip(ObjectTreeItem.topItemIds,
ObjectTreeItem.topItemNames):
item = QTreeWidgetItem(tree, [name])
item.setData(0, Qt.UserRole, id)
topItems[id] = item
optDEMChecked = False
for layer in self.iface.legendInterface().layers():
parentId = ObjectTreeItem.parentIdByLayer(layer)
if parentId is None:
continue
item = QTreeWidgetItem(topItems[parentId], [layer.name()])
isVisible = self._settings.get(parentId, {}).get(
layer.id(), {}).get(
"visible",
False) #self.iface.legendInterface().isLayerVisible(layer)
check_state = Qt.Checked if isVisible else Qt.Unchecked
item.setData(0, Qt.CheckStateRole, check_state)
item.setData(0, Qt.UserRole, layer.id())
if parentId == ObjectTreeItem.ITEM_OPTDEM and isVisible:
optDEMChecked = True
for id, item in topItems.iteritems():
if id != ObjectTreeItem.ITEM_OPTDEM or optDEMChecked:
tree.expandItem(item)
# disable additional DEM item which is selected as main DEM
layerId = self._settings.get(ObjectTreeItem.ITEM_DEM,
{}).get("comboBox_DEMLayer")
if layerId:
self.primaryDEMChanged(layerId)
def writeVectors(writer, legendInterface=None, progress=None):
settings = writer.settings
baseExtent = settings.baseExtent
progress = progress or dummyProgress
renderer = QgsMapRenderer()
layers = []
if legendInterface is None:
for parentId in [
ObjectTreeItem.ITEM_POINT, ObjectTreeItem.ITEM_LINE,
ObjectTreeItem.ITEM_POLYGON
]:
for layerId, properties in settings.get(parentId, {}).iteritems():
if properties.get("visible", False):
layers.append([layerId, properties])
else:
# use vector layer order in legendInterface
for layer in legendInterface.layers():
if layer.type() != QgsMapLayer.VectorLayer:
continue
parentId = ObjectTreeItem.parentIdByLayer(layer)
properties = settings.get(parentId, {}).get(layer.id(), {})
if properties.get("visible", False):
layers.append([layer.id(), properties])
finishedLayers = 0
for layerId, properties in layers:
mapLayer = QgsMapLayerRegistry.instance().mapLayer(layerId)
if mapLayer is None:
continue
prop = VectorPropertyReader(writer.objectTypeManager, mapLayer,
properties)
obj_mod = writer.objectTypeManager.module(prop.mod_index)
if obj_mod is None:
logMessage("Module not found")
continue
# prepare triangle mesh
geom_type = mapLayer.geometryType()
if geom_type == QGis.Polygon and prop.type_index == 1 and prop.isHeightRelativeToDEM(
): # Overlay
progress(None, "Initializing triangle mesh for overlay polygons")
writer.triangleMesh()
progress(
30 + 30 * finishedLayers / len(layers),
u"Writing vector layer ({0} of {1}): {2}".format(
finishedLayers + 1, len(layers), mapLayer.name()))
# write layer object
layer = VectorLayer(writer, mapLayer, prop, obj_mod)
writer.writeLayer(layer.layerObject(), layer.fieldNames)
# initialize symbol rendering
mapLayer.rendererV2().startRender(
renderer.rendererContext(),
mapLayer.pendingFields()
if QGis.QGIS_VERSION_INT >= 20300 else mapLayer)
# features to export
request = QgsFeatureRequest()
clipGeom = None
if properties.get("radioButton_IntersectingFeatures", False):
request.setFilterRect(
layer.transform.transformBoundingBox(
baseExtent.boundingBox(),
QgsCoordinateTransform.ReverseTransform))
if properties.get("checkBox_Clip"):
extent = baseExtent.clone().scale(
0.999999
) # clip with slightly smaller extent than map canvas extent
clipGeom = extent.geometry()
for feat in layer.features(request, clipGeom):
# write geometry
obj_mod.write(writer, layer,
feat) # writer.writeFeature(layer, feat, obj_mod)
# stack attributes in writer
if layer.writeAttrs:
writer.addAttributes(feat.attributes())
# write attributes
if layer.writeAttrs:
writer.writeAttributes()
# write materials
writer.writeMaterials(layer.materialManager)
mapLayer.rendererV2().stopRender(renderer.rendererContext())
finishedLayers += 1
def writeVectors(writer, legendInterface=None, progress=None):
settings = writer.settings
baseExtent = settings.baseExtent
progress = progress or dummyProgress
renderer = QgsMapRenderer()
layers = []
if legendInterface is None:
for parentId in [ObjectTreeItem.ITEM_POINT, ObjectTreeItem.ITEM_LINE, ObjectTreeItem.ITEM_POLYGON]:
for layerId, properties in settings.get(parentId, {}).iteritems():
if properties.get("visible", False):
layers.append([layerId, properties])
else:
# use vector layer order in legendInterface
for layer in legendInterface.layers():
if layer.type() != QgsMapLayer.VectorLayer:
continue
parentId = ObjectTreeItem.parentIdByLayer(layer)
properties = settings.get(parentId, {}).get(layer.id(), {})
if properties.get("visible", False):
layers.append([layer.id(), properties])
finishedLayers = 0
for layerId, properties in layers:
mapLayer = QgsMapLayerRegistry.instance().mapLayer(layerId)
if mapLayer is None:
continue
prop = VectorPropertyReader(writer.objectTypeManager, mapLayer, properties)
obj_mod = writer.objectTypeManager.module(prop.mod_index)
if obj_mod is None:
logMessage("Module not found")
continue
# prepare triangle mesh
geom_type = mapLayer.geometryType()
if geom_type == QGis.Polygon and prop.type_index == 1 and prop.isHeightRelativeToDEM(): # Overlay
progress(None, "Initializing triangle mesh for overlay polygons")
writer.triangleMesh()
progress(30 + 30 * finishedLayers / len(layers), u"Writing vector layer ({0} of {1}): {2}".format(finishedLayers + 1, len(layers), mapLayer.name()))
# write layer object
layer = VectorLayer(writer, mapLayer, prop, obj_mod)
writer.writeLayer(layer.layerObject(), layer.fieldNames)
# initialize symbol rendering
mapLayer.rendererV2().startRender(renderer.rendererContext(), mapLayer.pendingFields() if QGis.QGIS_VERSION_INT >= 20300 else mapLayer)
# features to export
request = QgsFeatureRequest()
clipGeom = None
if properties.get("radioButton_IntersectingFeatures", False):
request.setFilterRect(layer.transform.transformBoundingBox(baseExtent.boundingBox(), QgsCoordinateTransform.ReverseTransform))
if properties.get("checkBox_Clip"):
extent = baseExtent.clone().scale(0.999999) # clip with slightly smaller extent than map canvas extent
clipGeom = extent.geometry()
for feat in layer.features(request, clipGeom):
# write geometry
obj_mod.write(writer, layer, feat) # writer.writeFeature(layer, feat, obj_mod)
# stack attributes in writer
if layer.writeAttrs:
writer.addAttributes(feat.attributes())
# write attributes
if layer.writeAttrs:
writer.writeAttributes()
# write materials
writer.writeMaterials(layer.materialManager)
mapLayer.rendererV2().stopRender(renderer.rendererContext())
finishedLayers += 1