class MapsterModule( BaseModule ):
module_name = "Wyszukiwarka archiwalnych map Mapster"
def __init__(self, parent):
super().__init__(parent)
self.point_tool = QgsMapToolEmitPoint( iface.mapCanvas() )
action = self.parent.add_action(
':/plugins/gissupport_plugin/mapster/mapster.svg',
self.module_name,
self.setMapsterTool,
parent=iface.mainWindow(),
checkable=True,
add_to_topmenu=True
)
self.point_tool.setAction( action )
self.point_tool.canvasClicked.connect( self.canvasClicked )
self.wgs84 = QgsCoordinateReferenceSystem( 'EPSG:4326' )
def setMapsterTool( self ):
iface.mapCanvas().setMapTool( self.point_tool )
def canvasClicked( self, point, button ):
project = QgsProject.instance()
transformer = QgsCoordinateTransform( project.crs(), self.wgs84, project )
point = transformer.transform( point )
url = 'http://igrek.amzp.pl/result.php?cmd=pt&lat={}&lon={}&hideempty=on'.format( point.y(), point.x() )
QDesktopServices.openUrl(QUrl(url))
def setupUi(self, _):
"""
Add to the UI the following elements:
1) the selection editor
2) the tabs with the dynamic forms
3) the map
4) the toolbar with the map tools
"""
super(MainWindow, self).setupUi(self)
self.selection_editor = SelectionDialog(self)
self.actionUndo.setDisabled(True)
# setup dynamic forms
self.tabs = (
Tab("declustering",
self.declusteringFormLayout,
DECLUSTERER_METHODS,
[self.declusterButton, self.declusteringPurgeButton]),
Tab("completeness",
self.completenessFormLayout,
COMPLETENESS_METHODS,
[self.completenessButton, self.completenessPurgeButton]),
Tab("recurrence_model",
self.recurrenceModelFormLayout,
OCCURRENCE_METHODS,
[self.recurrenceModelButton]),
Tab("max_magnitude",
self.maxMagnitudeFormLayout,
MAX_MAGNITUDE_METHODS,
[self.maxMagnitudeButton]),
Tab("smoothed_seismicity",
self.smoothedSeismicityFormLayout,
SMOOTHED_SEISMICITY_METHODS,
[self.smoothedSeismicityButton]),
Tab("histogram",
self.catalogueAnalysisFormLayout,
CATALOGUE_ANALYSIS_METHODS,
[self.catalogueAnalysisButton]))
for tab in self.tabs:
tab.setup_form(self.on_algorithm_select)
self.stackedFormWidget.currentChanged.connect(self.change_tab)
# setup Map
self.mapWidget.setCanvasColor(Qt.white)
self.mapWidget.enableAntiAliasing(True)
self.mapWidget.show()
#self.message_bar = QgsMessageBar(self.centralWidget)
#self.outputVerticalLayout.insertWidget(0, self.message_bar)
# setup toolbar
group = QtGui.QActionGroup(self)
group.addAction(self.actionZoomIn)
group.addAction(self.actionZoomOut)
group.addAction(self.actionPan)
group.addAction(self.actionIdentify)
# create the map tools
toolPan = QgsMapToolPan(self.mapWidget)
toolPan.setAction(self.actionPan)
# false = in
toolZoomIn = QgsMapToolZoom(self.mapWidget, False)
toolZoomIn.setAction(self.actionZoomIn)
# true = out
toolZoomOut = QgsMapToolZoom(self.mapWidget, True)
toolZoomOut.setAction(self.actionZoomOut)
toolIdentify = QgsMapToolEmitPoint(self.mapWidget)
toolIdentify.setAction(self.actionIdentify)
toolIdentify.canvasClicked.connect(
lambda point, button: self.catalogue_map.show_tip(point))
self.actionZoomIn.triggered.connect(
lambda: self.mapWidget.setMapTool(toolZoomIn))
self.actionZoomOut.triggered.connect(
lambda: self.mapWidget.setMapTool(toolZoomOut))
self.actionPan.triggered.connect(
lambda: self.mapWidget.setMapTool(toolPan))
self.actionIdentify.triggered.connect(
lambda: self.mapWidget.setMapTool(toolIdentify))
self.mapWidget.setMapTool(toolPan)
self.stackedFormWidget.setCurrentIndex(0)
class EarthMineQGIS(QObject):
"""QGIS Plugin Implementation."""
def __init__(self, iface):
"""Constructor.
:param iface: An interface instance that will be passed to this class
which provides the hook by which you can manipulate the QGIS
application at run time.
:type iface: QgsInterface
"""
# Save reference to the QGIS interface
super(EarthMineQGIS, self).__init__()
self.movingfeature = None
self.iface = iface
self.viewer = None
self.canvas = self.iface.mapCanvas()
self.settings = QSettings()
# initialize plugin directory
self.plugin_dir = os.path.dirname(__file__)
# initialize locale
locale = QSettings().value("locale/userLocale")[0:2]
locale_path = os.path.join(self.plugin_dir, "i18n", "EarthMineQGIS_{}.qm".format(locale))
if os.path.exists(locale_path):
self.translator = QTranslator()
self.translator.load(locale_path)
if qVersion() > "4.3.3":
QCoreApplication.installTranslator(self.translator)
self.pointtool = QgsMapToolEmitPoint(self.canvas)
self.pointtool.canvasClicked.connect(self.set_viewer_location)
self.settingsdialog = SettingsDialog(self.iface.mainWindow())
self.actions = []
self.menu = self.tr(u"&Earthmine")
self.toolbar = self.iface.addToolBar(u"EarthMineQGIS")
self.toolbar.setObjectName(u"EarthMineQGIS")
self.legend = self.iface.legendInterface()
emcolor = QColor(1, 150, 51)
self.tempband = QgsRubberBand(self.canvas, QGis.Line)
self.tempband.setWidth(5)
self.tempband.setColor(emcolor)
self.tempbandpoints = QgsRubberBand(self.canvas, QGis.Point)
self.tempbandpoints.setWidth(7)
self.tempbandpoints.setColor(emcolor)
self.movingband = QgsRubberBand(self.canvas, QGis.Point)
self.movingband.setWidth(5)
self.movingband.setColor(emcolor)
self.layersignals = []
self.marker = None
def initGui(self):
"""Create the menu entries and toolbar icons inside the QGIS GUI."""
icon_path = ":/icons/settings"
self.add_action(
icon_path, text=self.tr(u"Show Settings"), callback=self.show_settings, parent=self.iface.mainWindow()
)
icon_path = ":/icons/viewer"
self.add_action(
icon_path, text=self.tr(u"Earthmine Viewer"), callback=self.open_viewer, parent=self.iface.mainWindow()
)
self.marker = PostionMarker(self.canvas)
self.marker.hide()
self.viewer = Viewer(callbackobject=self)
self.viewer.trackingChanged.connect(self.marker.setTracking)
self.viewer.setLocationTriggered.connect(partial(self.canvas.setMapTool, self.pointtool))
self.viewer.updateFeatures.connect(self.update_earthmine_features)
self.viewer.layerChanged.connect(self.iface.setActiveLayer)
self.viewer.clearLine.connect(self.clear_bands)
self.viewer.closed.connect(self.remove_items)
self.iface.currentLayerChanged.connect(self.viewer.update_current_layer)
cursor = QCursor(QPixmap(":/icons/location"))
self.pointtool.setCursor(cursor)
self.pointtool.setAction(self.viewer.setlocationaction)
def remove_items(self):
self.marker.setTracking(False)
self.disconnect_projectsignals()
self.iface.actionPan().trigger()
def unload(self):
"""Removes the plugin menu item and icon from QGIS GUI."""
self.canvas.scene().removeItem(self.marker)
del self.marker
self.disconnect_projectsignals()
for action in self.actions:
self.iface.removePluginMenu(self.tr(u"&Earthmine"), action)
self.iface.removeToolBarIcon(action)
del self.toolbar
self.iface.removeDockWidget(self.viewer)
self.viewer.deleteLater()
def disconnect_projectsignals(self):
safe_disconnect(QgsMapLayerRegistry.instance().layerWasAdded, self.connect_layer_signals)
safe_disconnect(QgsMapLayerRegistry.instance().layersRemoved, self.layers_removed)
safe_disconnect(self.canvas.layersChanged, self.layers_changed)
safe_disconnect(self.iface.projectRead, self.connect_signals)
safe_disconnect(self.canvas.selectionChanged, self.selection_changed)
safe_disconnect(self.canvas.selectionChanged, self.viewer.selection_changed)
def clear_bands(self):
self.tempband.reset(QGis.Line)
self.tempbandpoints.reset(QGis.Point)
def visible_layers(self):
"""
Return the visible layers shown in the map canvas
:return:
"""
return (layer for layer, visible in self.layers_with_states() if visible)
def layers_with_states(self):
for layer in maplayers():
if not layer.type() == QgsMapLayer.VectorLayer:
continue
if not layer.geometryType() in [QGis.Point, QGis.Line]:
continue
yield layer, self.legend.isLayerVisible(layer)
def _layer_feature_added(self, featureid):
layer = self.sender()
if not layer:
return
self.layer_feature_added(layer, featureid)
def layer_feature_added(self, layer, featureid):
if not self.viewer:
return
feature = layer.getFeatures(QgsFeatureRequest(featureid)).next()
renderer = layer.rendererV2()
transform = self.coordinatetransform(layer)
featuredata = to_feature_data(layer.id(), feature, renderer, transform)
geomtype = layer.geometryType()
layerdata = dict(id=layer.id(), geomtype=QGis.vectorGeometryType(geomtype))
self.viewer.load_features(layerdata, featuredata)
def _layer_feature_delete(self, featureid):
layer = self.sender()
if not layer:
return
self.layer_feature_delete(layer, featureid)
def layer_feature_delete(self, layer, featureid):
if not self.viewer:
return
self.viewer.remove_feature(layer.id(), featureid)
def _layer_geometry_changed(self, featureid, geometry):
layer = self.sender()
if not layer:
return
self.layer_geometry_changed(layer, featureid, geometry)
def layer_geometry_changed(self, layer, featureid, geometry):
if not self.viewer:
return
geomtype = layer.geometryType()
if geomtype == QGis.Point:
geom = geometry.asPoint()
transform = self.coordinatetransform(layer)
point = transform.transform(geom, QgsCoordinateTransform.ReverseTransform)
location = dict(lat=point.y(), lng=point.x())
self.viewer.edit_feature(layer.id(), featureid, [location])
elif geomtype == QGis.Line:
self.layer_feature_delete(layer, featureid)
self.layer_feature_added(layer, featureid)
def connect_layer_signals(self, layer):
if not layer.type() == QgsMapLayer.VectorLayer:
return
layer.featureAdded.connect(self._layer_feature_added)
layer.featureDeleted.connect(self._layer_feature_delete)
layer.editingStarted.connect(self.layer_editstate_changed)
layer.editingStopped.connect(self.layer_editstate_changed)
# HACK The new style doesn't work here
# http://hub.qgis.org/issues/6573
signal = SIGNAL("geometryChanged(QgsFeatureId, QgsGeometry&)")
self.connect(layer, signal, self._layer_geometry_changed)
self.load_layer_features(layers=[layer])
def layer_editstate_changed(self):
layer = self.sender()
if layer == self.iface.activeLayer():
self.viewer.layer_changed(layer)
def disconnect_signals(self):
self.disconnect_projectsignals()
for layer in maplayers():
if not layer.type() == QgsMapLayer.VectorLayer:
return
safe_disconnect(layer.featureAdded, self._layer_feature_added)
safe_disconnect(layer.featureDeleted, self._layer_feature_delete)
safe_disconnect(layer.editingStarted, self.layer_editstate_changed)
safe_disconnect(layer.editingStopped, self.layer_editstate_changed)
# HACK The new style doesn't work here
# http://hub.qgis.org/issues/6573
signal = SIGNAL("geometryChanged(QgsFeatureId, QgsGeometry&)")
self.disconnect(layer, signal, self._layer_geometry_changed)
def connect_signals(self):
for layer in maplayers():
self.connect_layer_signals(layer)
self.center_on_canvas()
def set_viewer_location(self, point, mousebutton):
transform = self.coordinatetransform()
point = transform.transform(point, QgsCoordinateTransform.ReverseTransform)
self.viewer.set_location(point)
def distancearea(self):
area = QgsDistanceArea()
dest = self.canvas.mapRenderer().destinationCrs()
area.setSourceCrs(dest)
return area, dest.mapUnits()
def coordinatetransform(self, layer=None):
"""
Return the transform for WGS84 -> QGIS projection.
"""
source = QgsCoordinateReferenceSystem()
source.createFromWkt(
'GEOGCS["GCS_WGS_1984",DATUM["D_WGS_1984",SPHEROID["WGS_1984",6378137.0,298.257223563]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]]'
)
if not layer:
dest = self.canvas.mapRenderer().destinationCrs()
else:
dest = layer.crs()
transform = QgsCoordinateTransform(source, dest)
return transform
def earthmine_settings(self):
settings = {}
with settinggroup(self.settings, "plugins/Earthmine"):
for key in ["serviceUrl", "baseDataUrl", "apiKey", "secretKey", "viewerUrl"]:
if not self.settings.contains(key):
raise EarthmineSettingsError("{} not set".format(key))
value = self.settings.value(key, type=str)
if value is None:
raise EarthmineSettingsError("{} not set".format(key))
settings[key] = value
return settings
@pyqtSlot()
def ready(self):
"""
Called when the viewer is ready to be started. At this point the viewer hasn't been loaded
so no other methods apart from startViewer will be handled.
"""
settings = self.earthmine_settings()
self.viewer.startViewer(settings)
@pyqtSlot()
def viewerReady(self):
"""
Called once the viewer is loaded and ready to get location events.
"""
self.disconnect_signals()
self.connect_signals()
self.iface.projectRead.connect(self.connect_signals)
self.canvas.layersChanged.connect(self.layers_changed)
self.canvas.selectionChanged.connect(self.selection_changed)
self.canvas.selectionChanged.connect(self.viewer.selection_changed)
QgsMapLayerRegistry.instance().layersRemoved.connect(self.layers_removed)
QgsMapLayerRegistry.instance().layerWasAdded.connect(self.connect_layer_signals)
self.center_on_canvas()
self.viewer.activelayercombo.setLayer(self.iface.activeLayer())
def center_on_canvas(self):
point = self.canvas.extent().center()
transform = self.coordinatetransform()
point = transform.transform(point, QgsCoordinateTransform.ReverseTransform)
self.viewer.set_location(point)
self.viewer.infoaction.toggle()
def selection_changed(self, layer):
ids = [feature.id() for feature in layer.selectedFeatures()]
if not ids:
self.viewer.clear_selection(layer.id())
else:
self.viewer.set_selection(layer.id(), ids)
def layers_changed(self):
layerstates = self.layers_with_states()
for layer, visible in layerstates:
layerid = layer.id()
viewerloaded = self.viewer.layer_loaded(layerid)
QgsMessageLog.instance().logMessage(layerid, "Earthmine")
QgsMessageLog.instance().logMessage("Viewer State:" + str(viewerloaded), "Earthmine")
QgsMessageLog.instance().logMessage("QGIS State:" + str(visible), "Earthmine")
if (viewerloaded and visible) or (not viewerloaded and not visible):
QgsMessageLog.instance().logMessage("Ignoring as states match", "Earthmine")
continue
if viewerloaded and not visible:
QgsMessageLog.instance().logMessage(
"Clearing layer because viewer loaded and disabled in QGIS", "Earthmine"
)
self.viewer.clear_layer_features(layerid)
continue
if not viewerloaded and visible:
QgsMessageLog.instance().logMessage("Loading layer", "Earthmine")
self.load_layer_features(layers=[layer])
continue
def layers_removed(self, layers):
for layerid in layers:
self.viewer.clear_layer_features(layerid)
@pyqtSlot(str, float, float)
def viewChanged(self, event, yaw, angle):
self.marker.setAngle(angle)
self.marker.setYaw(yaw)
@pyqtSlot(str, str)
def getInfo(self, layerid, featureid):
featureid = int(featureid)
activelayer = self.iface.activeLayer()
if not activelayer:
return
activetool = self.viewer.active_tool()
if not activetool in ["Info", "Select"]:
return
# Only show information for the active layer
if not layerid == activelayer.id():
return
layer = layer_by_id(layerid)
if activetool == "Select":
layer.setSelectedFeatures([featureid])
elif activetool == "Info":
rq = QgsFeatureRequest(featureid)
feature = layer.getFeatures(rq).next()
dlg = get_feature_form(layer, feature)
if dlg.dialog().exec_():
self.canvas.refresh()
@pyqtSlot(str, str, float, float, bool)
def featureMoved(self, layerid, featureid, lat, lng, end):
layer = layer_by_id(layerid)
transform = self.coordinatetransform(layer)
point = transform.transform(lng, lat)
if not end:
self.movingband.show()
self.movingband.setToGeometry(QgsGeometry.fromPoint(point), layer)
self.movingband.updatePosition()
self.movingband.update()
else:
self.movingband.hide()
feature = feature_by_id(layer, featureid)
startpoint = feature.geometry().asPoint()
dx = point.x() - startpoint.x()
dy = point.y() - startpoint.y()
layer.beginEditCommand("Feature Moved")
# Block signals for this move as the geometry changed signal will re add the geometry on use.
layer.blockSignals(True)
layer.translateFeature(feature.id(), dx, dy)
layer.blockSignals(False)
self.canvas.refresh()
layer.endEditCommand()
@pyqtSlot(str, str)
def onError(self, message, stacktrace=None):
self.iface.messageBar().pushMessage("Earthmine", message, QgsMessageBar.WARNING)
QgsMessageLog.logMessage(stacktrace, "Earthmine")
@pyqtSlot(float, float, float)
def addPoint(self, lat, lng, z):
layer = self.viewer.active_layer
if not layer.isEditable():
self.iface.messageBar().pushMessage(
"Earthmine",
"Selected layer isn't editable. Please enable edit mode to add features",
duration=3,
level=QgsMessageBar.WARNING,
)
return
transform = self.coordinatetransform(layer)
point = transform.transform(lng, lat)
geom = QgsGeometry.fromPoint(point)
self.add_feature(layer, geom, z)
def add_feature(self, layer, geom, z=None):
feature = QgsFeature(layer.pendingFields())
if z and self.viewer.copyZvalue:
try:
feature["Z"] = z
except KeyError:
QgsMessageLog.log("No Z found on layer {}".format(layer.name()))
pass
feature.setGeometry(geom)
dlg = get_feature_form(layer, feature, isadd=True)
if dlg.dialog().exec_():
self.canvas.refresh()
@pyqtSlot(str, bool, str)
def drawLine(self, points, end, stats):
points = json.loads(points)
stats = json.loads(stats)
QgsMessageLog.logMessage(str(stats), "Earthmine")
self.tempband.reset(QGis.Line)
self.tempbandpoints.reset(QGis.Point)
color = QColor(self.viewer.current_action_color)
self.tempband.setColor(color)
self.tempbandpoints.setColor(color)
layer = self.viewer.active_layer
transform = self.coordinatetransform(layer)
earthminepoints = []
for point in points:
newpoint = transform.transform(point["lng"], point["lat"])
self.tempband.addPoint(newpoint)
self.tempbandpoints.addPoint(newpoint)
empoint = EarthminePoint(newpoint, point)
earthminepoints.append(empoint)
if end and not self.viewer.mode == "Vertical":
geom = self.tempband.asGeometry()
self.add_feature(layer, geom)
self.clear_bands()
self.viewer.geom = EarthmineLine(earthminepoints, stats)
self.tempband.show()
self.tempbandpoints.show()
@pyqtSlot(str, str, str, float)
def locationChanged(self, lat, lng, yaw, angle):
transform = self.coordinatetransform()
point = transform.transform(float(lng), float(lat))
self.marker.setCenter(point)
yaw = float(yaw)
self.marker.setAngle(angle)
self.marker.setYaw(yaw)
self.marker.setTracking(self.viewer.tracking)
if self.marker.tracking:
rect = QgsRectangle(point, point)
extentlimt = QgsRectangle(self.canvas.extent())
extentlimt.scale(0.95)
if not extentlimt.contains(point):
self.canvas.setExtent(rect)
self.canvas.refresh()
# Clear old features
self.viewer.clear_features()
self.load_layer_features(point)
def update_earthmine_features(self, viewfeatures):
self.viewer.clear_features()
if viewfeatures:
self.load_layer_features()
def load_layer_features(self, point=None, layers=None):
# TODO Move this logic into the viewer and let it track it's position
if point is None and self.marker.map_pos is None:
return
if point is None:
point = self.marker.map_pos
area, units = self.distancearea()
rect = search_area(units, area, point)
if layers is None:
layers = self.visible_layers()
for layer in layers:
transform = self.coordinatetransform(layer)
# Transform the rect
source = self.canvas.mapRenderer().destinationCrs()
dest = layer.crs()
recttransform = QgsCoordinateTransform(source, dest)
rect = recttransform.transformBoundingBox(rect)
features = list(get_features_in_area(layer, rect, transform, self.canvas.mapSettings()))
geomtype = layer.geometryType()
layerdata = dict(id=layer.id(), geomtype=QGis.vectorGeometryType(geomtype))
self.viewer.load_features(layerdata, features)
# noinspection PyMethodMayBeStatic
def tr(self, message):
"""Get the translation for a string using Qt translation API.
We implement this ourselves since we do not inherit QObject.
:param message: String for translation.
:type message: str, QString
:returns: Translated version of message.
:rtype: QString
"""
# noinspection PyTypeChecker,PyArgumentList,PyCallByClass
return QCoreApplication.translate("EarthMineQGIS", message)
def add_action(
self,
icon_path,
text,
callback,
enabled_flag=True,
add_to_menu=True,
add_to_toolbar=True,
status_tip=None,
whats_this=None,
parent=None,
):
"""Add a toolbar icon to the InaSAFE toolbar.
:param icon_path: Path to the icon for this action. Can be a resource
path (e.g. ':/plugins/foo/bar.png') or a normal file system path.
:type icon_path: str
:param text: Text that should be shown in menu items for this action.
:type text: str
:param callback: Function to be called when the action is triggered.
:type callback: function
:param enabled_flag: A flag indicating if the action should be enabled
by default. Defaults to True.
:type enabled_flag: bool
:param add_to_menu: Flag indicating whether the action should also
be added to the menu. Defaults to True.
:type add_to_menu: bool
:param add_to_toolbar: Flag indicating whether the action should also
be added to the toolbar. Defaults to True.
:type add_to_toolbar: bool
:param status_tip: Optional text to s, "Earhtmine"how in a popup when mouse pointer
hovers over the action.
:type status_tip: str
:param parent: Parent widget for the new action. Defaults None.
:type parent: QWidget
:param whats_this: Optional text to show in the status bar when the
mouse pointer hovers over the action.
:returns: The action that was created. Note that the action is also
added to self.actions list.
:rtype: QAction
"""
icon = QIcon(icon_path)
action = QAction(icon, text, parent)
action.triggered.connect(callback)
action.setEnabled(enabled_flag)
if status_tip is not None:
action.setStatusTip(status_tip)
if whats_this is not None:
action.setWhatsThis(whats_this)
if add_to_toolbar:
self.toolbar.addAction(action)
if add_to_menu:
self.iface.addPluginToMenu(self.menu, action)
self.actions.append(action)
return action
def open_viewer(self):
"""Run method that performs all the real work"""
try:
settings = self.earthmine_settings()
except EarthmineSettingsError as ex:
self.onError(ex.message)
self.show_settings()
return
url = settings["viewerUrl"]
if not url.startswith("http"):
url = url.replace("\\\\", "\\")
url = QUrl.fromLocalFile(url)
else:
url = QUrl(url)
if not self.viewer.isVisible():
self.iface.addDockWidget(Qt.RightDockWidgetArea, self.viewer)
self.viewer.loadviewer(url)
def show_settings(self):
self.settingsdialog.show()
class EarthMineQGIS(QObject):
"""QGIS Plugin Implementation."""
def __init__(self, iface):
"""Constructor.
:param iface: An interface instance that will be passed to this class
which provides the hook by which you can manipulate the QGIS
application at run time.
:type iface: QgsInterface
"""
# Save reference to the QGIS interface
super(EarthMineQGIS, self).__init__()
self.movingfeature = None
self.iface = iface
self.viewer = None
self.canvas = self.iface.mapCanvas()
self.settings = QSettings()
# initialize plugin directory
self.plugin_dir = os.path.dirname(__file__)
# initialize locale
locale = QSettings().value('locale/userLocale')[0:2]
locale_path = os.path.join(self.plugin_dir, 'i18n',
'EarthMineQGIS_{}.qm'.format(locale))
if os.path.exists(locale_path):
self.translator = QTranslator()
self.translator.load(locale_path)
if qVersion() > '4.3.3':
QCoreApplication.installTranslator(self.translator)
self.pointtool = QgsMapToolEmitPoint(self.canvas)
self.pointtool.canvasClicked.connect(self.set_viewer_location)
self.settingsdialog = SettingsDialog(self.iface.mainWindow())
self.actions = []
self.menu = self.tr(u'&Earthmine')
self.toolbar = self.iface.addToolBar(u'EarthMineQGIS')
self.toolbar.setObjectName(u'EarthMineQGIS')
self.legend = self.iface.legendInterface()
emcolor = QColor(1, 150, 51)
self.tempband = QgsRubberBand(self.canvas, QGis.Line)
self.tempband.setWidth(5)
self.tempband.setColor(emcolor)
self.tempbandpoints = QgsRubberBand(self.canvas, QGis.Point)
self.tempbandpoints.setWidth(7)
self.tempbandpoints.setColor(emcolor)
self.movingband = QgsRubberBand(self.canvas, QGis.Point)
self.movingband.setWidth(5)
self.movingband.setColor(emcolor)
self.layersignals = []
self.marker = None
def initGui(self):
"""Create the menu entries and toolbar icons inside the QGIS GUI."""
icon_path = ':/icons/settings'
self.add_action(icon_path,
text=self.tr(u'Show Settings'),
callback=self.show_settings,
parent=self.iface.mainWindow())
icon_path = ':/icons/viewer'
self.add_action(icon_path,
text=self.tr(u'Earthmine Viewer'),
callback=self.open_viewer,
parent=self.iface.mainWindow())
self.marker = PostionMarker(self.canvas)
self.marker.hide()
self.viewer = Viewer(callbackobject=self)
self.viewer.trackingChanged.connect(self.marker.setTracking)
self.viewer.setLocationTriggered.connect(
partial(self.canvas.setMapTool, self.pointtool))
self.viewer.updateFeatures.connect(self.update_earthmine_features)
self.viewer.layerChanged.connect(self.iface.setActiveLayer)
self.viewer.clearLine.connect(self.clear_bands)
self.viewer.closed.connect(self.remove_items)
self.iface.currentLayerChanged.connect(
self.viewer.update_current_layer)
cursor = QCursor(QPixmap(":/icons/location"))
self.pointtool.setCursor(cursor)
self.pointtool.setAction(self.viewer.setlocationaction)
def remove_items(self):
self.marker.setTracking(False)
self.disconnect_projectsignals()
self.iface.actionPan().trigger()
def unload(self):
"""Removes the plugin menu item and icon from QGIS GUI."""
self.canvas.scene().removeItem(self.marker)
del self.marker
self.disconnect_projectsignals()
for action in self.actions:
self.iface.removePluginMenu(self.tr(u'&Earthmine'), action)
self.iface.removeToolBarIcon(action)
del self.toolbar
self.iface.removeDockWidget(self.viewer)
self.viewer.deleteLater()
def disconnect_projectsignals(self):
safe_disconnect(QgsMapLayerRegistry.instance().layerWasAdded,
self.connect_layer_signals)
safe_disconnect(QgsMapLayerRegistry.instance().layersRemoved,
self.layers_removed)
safe_disconnect(self.canvas.layersChanged, self.layers_changed)
safe_disconnect(self.iface.projectRead, self.connect_signals)
safe_disconnect(self.canvas.selectionChanged, self.selection_changed)
safe_disconnect(self.canvas.selectionChanged,
self.viewer.selection_changed)
def clear_bands(self):
self.tempband.reset(QGis.Line)
self.tempbandpoints.reset(QGis.Point)
def visible_layers(self):
"""
Return the visible layers shown in the map canvas
:return:
"""
return (layer for layer, visible in self.layers_with_states()
if visible)
def layers_with_states(self):
for layer in maplayers():
if not layer.type() == QgsMapLayer.VectorLayer:
continue
if not layer.geometryType() in [QGis.Point, QGis.Line]:
continue
yield layer, self.legend.isLayerVisible(layer)
def _layer_feature_added(self, featureid):
layer = self.sender()
if not layer:
return
self.layer_feature_added(layer, featureid)
def layer_feature_added(self, layer, featureid):
if not self.viewer:
return
feature = layer.getFeatures(QgsFeatureRequest(featureid)).next()
renderer = layer.rendererV2()
transform = self.coordinatetransform(layer)
featuredata = to_feature_data(layer.id(), feature, renderer, transform)
geomtype = layer.geometryType()
layerdata = dict(id=layer.id(),
geomtype=QGis.vectorGeometryType(geomtype))
self.viewer.load_features(layerdata, featuredata)
def _layer_feature_delete(self, featureid):
layer = self.sender()
if not layer:
return
self.layer_feature_delete(layer, featureid)
def layer_feature_delete(self, layer, featureid):
if not self.viewer:
return
self.viewer.remove_feature(layer.id(), featureid)
def _layer_geometry_changed(self, featureid, geometry):
layer = self.sender()
if not layer:
return
self.layer_geometry_changed(layer, featureid, geometry)
def layer_geometry_changed(self, layer, featureid, geometry):
if not self.viewer:
return
geomtype = layer.geometryType()
if geomtype == QGis.Point:
geom = geometry.asPoint()
transform = self.coordinatetransform(layer)
point = transform.transform(
geom, QgsCoordinateTransform.ReverseTransform)
location = dict(lat=point.y(), lng=point.x())
self.viewer.edit_feature(layer.id(), featureid, [location])
elif geomtype == QGis.Line:
self.layer_feature_delete(layer, featureid)
self.layer_feature_added(layer, featureid)
def connect_layer_signals(self, layer):
if not layer.type() == QgsMapLayer.VectorLayer:
return
layer.featureAdded.connect(self._layer_feature_added)
layer.featureDeleted.connect(self._layer_feature_delete)
layer.editingStarted.connect(self.layer_editstate_changed)
layer.editingStopped.connect(self.layer_editstate_changed)
# HACK The new style doesn't work here
# http://hub.qgis.org/issues/6573
signal = SIGNAL("geometryChanged(QgsFeatureId, QgsGeometry&)")
self.connect(layer, signal, self._layer_geometry_changed)
self.load_layer_features(layers=[layer])
def layer_editstate_changed(self):
layer = self.sender()
if layer == self.iface.activeLayer():
self.viewer.layer_changed(layer)
def disconnect_signals(self):
self.disconnect_projectsignals()
for layer in maplayers():
if not layer.type() == QgsMapLayer.VectorLayer:
return
safe_disconnect(layer.featureAdded, self._layer_feature_added)
safe_disconnect(layer.featureDeleted, self._layer_feature_delete)
safe_disconnect(layer.editingStarted, self.layer_editstate_changed)
safe_disconnect(layer.editingStopped, self.layer_editstate_changed)
# HACK The new style doesn't work here
# http://hub.qgis.org/issues/6573
signal = SIGNAL("geometryChanged(QgsFeatureId, QgsGeometry&)")
self.disconnect(layer, signal, self._layer_geometry_changed)
def connect_signals(self):
for layer in maplayers():
self.connect_layer_signals(layer)
self.center_on_canvas()
def set_viewer_location(self, point, mousebutton):
transform = self.coordinatetransform()
point = transform.transform(point,
QgsCoordinateTransform.ReverseTransform)
self.viewer.set_location(point)
def distancearea(self):
area = QgsDistanceArea()
dest = self.canvas.mapRenderer().destinationCrs()
area.setSourceCrs(dest)
return area, dest.mapUnits()
def coordinatetransform(self, layer=None):
"""
Return the transform for WGS84 -> QGIS projection.
"""
source = QgsCoordinateReferenceSystem()
source.createFromWkt(
'GEOGCS["GCS_WGS_1984",DATUM["D_WGS_1984",SPHEROID["WGS_1984",6378137.0,298.257223563]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]]'
)
if not layer:
dest = self.canvas.mapRenderer().destinationCrs()
else:
dest = layer.crs()
transform = QgsCoordinateTransform(source, dest)
return transform
def earthmine_settings(self):
settings = {}
with settinggroup(self.settings, "plugins/Earthmine"):
for key in [
'serviceUrl', 'baseDataUrl', "apiKey", 'secretKey',
'viewerUrl'
]:
if not self.settings.contains(key):
raise EarthmineSettingsError("{} not set".format(key))
value = self.settings.value(key, type=str)
if value is None:
raise EarthmineSettingsError("{} not set".format(key))
settings[key] = value
return settings
@pyqtSlot()
def ready(self):
"""
Called when the viewer is ready to be started. At this point the viewer hasn't been loaded
so no other methods apart from startViewer will be handled.
"""
settings = self.earthmine_settings()
self.viewer.startViewer(settings)
@pyqtSlot()
def viewerReady(self):
"""
Called once the viewer is loaded and ready to get location events.
"""
self.disconnect_signals()
self.connect_signals()
self.iface.projectRead.connect(self.connect_signals)
self.canvas.layersChanged.connect(self.layers_changed)
self.canvas.selectionChanged.connect(self.selection_changed)
self.canvas.selectionChanged.connect(self.viewer.selection_changed)
QgsMapLayerRegistry.instance().layersRemoved.connect(
self.layers_removed)
QgsMapLayerRegistry.instance().layerWasAdded.connect(
self.connect_layer_signals)
self.center_on_canvas()
self.viewer.activelayercombo.setLayer(self.iface.activeLayer())
def center_on_canvas(self):
point = self.canvas.extent().center()
transform = self.coordinatetransform()
point = transform.transform(point,
QgsCoordinateTransform.ReverseTransform)
self.viewer.set_location(point)
self.viewer.infoaction.toggle()
def selection_changed(self, layer):
ids = [feature.id() for feature in layer.selectedFeatures()]
if not ids:
self.viewer.clear_selection(layer.id())
else:
self.viewer.set_selection(layer.id(), ids)
def layers_changed(self):
layerstates = self.layers_with_states()
for layer, visible in layerstates:
layerid = layer.id()
viewerloaded = self.viewer.layer_loaded(layerid)
QgsMessageLog.instance().logMessage(layerid, "Earthmine")
QgsMessageLog.instance().logMessage(
"Viewer State:" + str(viewerloaded), "Earthmine")
QgsMessageLog.instance().logMessage("QGIS State:" + str(visible),
"Earthmine")
if (viewerloaded and visible) or (not viewerloaded
and not visible):
QgsMessageLog.instance().logMessage("Ignoring as states match",
"Earthmine")
continue
if viewerloaded and not visible:
QgsMessageLog.instance().logMessage(
"Clearing layer because viewer loaded and disabled in QGIS",
"Earthmine")
self.viewer.clear_layer_features(layerid)
continue
if not viewerloaded and visible:
QgsMessageLog.instance().logMessage("Loading layer",
"Earthmine")
self.load_layer_features(layers=[layer])
continue
def layers_removed(self, layers):
for layerid in layers:
self.viewer.clear_layer_features(layerid)
@pyqtSlot(str, float, float)
def viewChanged(self, event, yaw, angle):
self.marker.setAngle(angle)
self.marker.setYaw(yaw)
@pyqtSlot(str, str)
def getInfo(self, layerid, featureid):
featureid = int(featureid)
activelayer = self.iface.activeLayer()
if not activelayer:
return
activetool = self.viewer.active_tool()
if not activetool in ["Info", "Select"]:
return
# Only show information for the active layer
if not layerid == activelayer.id():
return
layer = layer_by_id(layerid)
if activetool == "Select":
layer.setSelectedFeatures([featureid])
elif activetool == "Info":
rq = QgsFeatureRequest(featureid)
feature = layer.getFeatures(rq).next()
dlg = get_feature_form(layer, feature)
if dlg.dialog().exec_():
self.canvas.refresh()
@pyqtSlot(str, str, float, float, bool)
def featureMoved(self, layerid, featureid, lat, lng, end):
layer = layer_by_id(layerid)
transform = self.coordinatetransform(layer)
point = transform.transform(lng, lat)
if not end:
self.movingband.show()
self.movingband.setToGeometry(QgsGeometry.fromPoint(point), layer)
self.movingband.updatePosition()
self.movingband.update()
else:
self.movingband.hide()
feature = feature_by_id(layer, featureid)
startpoint = feature.geometry().asPoint()
dx = point.x() - startpoint.x()
dy = point.y() - startpoint.y()
layer.beginEditCommand("Feature Moved")
# Block signals for this move as the geometry changed signal will re add the geometry on use.
layer.blockSignals(True)
layer.translateFeature(feature.id(), dx, dy)
layer.blockSignals(False)
self.canvas.refresh()
layer.endEditCommand()
@pyqtSlot(str, str)
def onError(self, message, stacktrace=None):
self.iface.messageBar().pushMessage("Earthmine", message,
QgsMessageBar.WARNING)
QgsMessageLog.logMessage(stacktrace, "Earthmine")
@pyqtSlot(float, float, float)
def addPoint(self, lat, lng, z):
layer = self.viewer.active_layer
if not layer.isEditable():
self.iface.messageBar().pushMessage(
"Earthmine",
"Selected layer isn't editable. Please enable edit mode to add features",
duration=3,
level=QgsMessageBar.WARNING)
return
transform = self.coordinatetransform(layer)
point = transform.transform(lng, lat)
geom = QgsGeometry.fromPoint(point)
self.add_feature(layer, geom, z)
def add_feature(self, layer, geom, z=None):
feature = QgsFeature(layer.pendingFields())
if z and self.viewer.copyZvalue:
try:
feature['Z'] = z
except KeyError:
QgsMessageLog.log("No Z found on layer {}".format(
layer.name()))
pass
feature.setGeometry(geom)
dlg = get_feature_form(layer, feature, isadd=True)
if dlg.dialog().exec_():
self.canvas.refresh()
@pyqtSlot(str, bool, str)
def drawLine(self, points, end, stats):
points = json.loads(points)
stats = json.loads(stats)
QgsMessageLog.logMessage(str(stats), "Earthmine")
self.tempband.reset(QGis.Line)
self.tempbandpoints.reset(QGis.Point)
color = QColor(self.viewer.current_action_color)
self.tempband.setColor(color)
self.tempbandpoints.setColor(color)
layer = self.viewer.active_layer
transform = self.coordinatetransform(layer)
earthminepoints = []
for point in points:
newpoint = transform.transform(point['lng'], point['lat'])
self.tempband.addPoint(newpoint)
self.tempbandpoints.addPoint(newpoint)
empoint = EarthminePoint(newpoint, point)
earthminepoints.append(empoint)
if end and not self.viewer.mode == "Vertical":
geom = self.tempband.asGeometry()
self.add_feature(layer, geom)
self.clear_bands()
self.viewer.geom = EarthmineLine(earthminepoints, stats)
self.tempband.show()
self.tempbandpoints.show()
@pyqtSlot(str, str, str, float)
def locationChanged(self, lat, lng, yaw, angle):
transform = self.coordinatetransform()
point = transform.transform(float(lng), float(lat))
self.marker.setCenter(point)
yaw = float(yaw)
self.marker.setAngle(angle)
self.marker.setYaw(yaw)
self.marker.setTracking(self.viewer.tracking)
if self.marker.tracking:
rect = QgsRectangle(point, point)
extentlimt = QgsRectangle(self.canvas.extent())
extentlimt.scale(0.95)
if not extentlimt.contains(point):
self.canvas.setExtent(rect)
self.canvas.refresh()
# Clear old features
self.viewer.clear_features()
self.load_layer_features(point)
def update_earthmine_features(self, viewfeatures):
self.viewer.clear_features()
if viewfeatures:
self.load_layer_features()
def load_layer_features(self, point=None, layers=None):
# TODO Move this logic into the viewer and let it track it's position
if point is None and self.marker.map_pos is None:
return
if point is None:
point = self.marker.map_pos
area, units = self.distancearea()
rect = search_area(units, area, point)
if layers is None:
layers = self.visible_layers()
for layer in layers:
transform = self.coordinatetransform(layer)
# Transform the rect
source = self.canvas.mapRenderer().destinationCrs()
dest = layer.crs()
recttransform = QgsCoordinateTransform(source, dest)
rect = recttransform.transformBoundingBox(rect)
features = list(
get_features_in_area(layer, rect, transform,
self.canvas.mapSettings()))
geomtype = layer.geometryType()
layerdata = dict(id=layer.id(),
geomtype=QGis.vectorGeometryType(geomtype))
self.viewer.load_features(layerdata, features)
# noinspection PyMethodMayBeStatic
def tr(self, message):
"""Get the translation for a string using Qt translation API.
We implement this ourselves since we do not inherit QObject.
:param message: String for translation.
:type message: str, QString
:returns: Translated version of message.
:rtype: QString
"""
# noinspection PyTypeChecker,PyArgumentList,PyCallByClass
return QCoreApplication.translate('EarthMineQGIS', message)
def add_action(self,
icon_path,
text,
callback,
enabled_flag=True,
add_to_menu=True,
add_to_toolbar=True,
status_tip=None,
whats_this=None,
parent=None):
"""Add a toolbar icon to the InaSAFE toolbar.
:param icon_path: Path to the icon for this action. Can be a resource
path (e.g. ':/plugins/foo/bar.png') or a normal file system path.
:type icon_path: str
:param text: Text that should be shown in menu items for this action.
:type text: str
:param callback: Function to be called when the action is triggered.
:type callback: function
:param enabled_flag: A flag indicating if the action should be enabled
by default. Defaults to True.
:type enabled_flag: bool
:param add_to_menu: Flag indicating whether the action should also
be added to the menu. Defaults to True.
:type add_to_menu: bool
:param add_to_toolbar: Flag indicating whether the action should also
be added to the toolbar. Defaults to True.
:type add_to_toolbar: bool
:param status_tip: Optional text to s, "Earhtmine"how in a popup when mouse pointer
hovers over the action.
:type status_tip: str
:param parent: Parent widget for the new action. Defaults None.
:type parent: QWidget
:param whats_this: Optional text to show in the status bar when the
mouse pointer hovers over the action.
:returns: The action that was created. Note that the action is also
added to self.actions list.
:rtype: QAction
"""
icon = QIcon(icon_path)
action = QAction(icon, text, parent)
action.triggered.connect(callback)
action.setEnabled(enabled_flag)
if status_tip is not None:
action.setStatusTip(status_tip)
if whats_this is not None:
action.setWhatsThis(whats_this)
if add_to_toolbar:
self.toolbar.addAction(action)
if add_to_menu:
self.iface.addPluginToMenu(self.menu, action)
self.actions.append(action)
return action
def open_viewer(self):
"""Run method that performs all the real work"""
try:
settings = self.earthmine_settings()
except EarthmineSettingsError as ex:
self.onError(ex.message)
self.show_settings()
return
url = settings["viewerUrl"]
if not url.startswith("http"):
url = url.replace("\\\\", "\\")
url = QUrl.fromLocalFile(url)
else:
url = QUrl(url)
if not self.viewer.isVisible():
self.iface.addDockWidget(Qt.RightDockWidgetArea, self.viewer)
self.viewer.loadviewer(url)
def show_settings(self):
self.settingsdialog.show()
class TSTools(QObject):
def __init__(self, iface):
super(TSTools, self).__init__()
# Save reference to the QGIS interface
self.iface = iface
self.canvas = self.iface.mapCanvas()
# initialize plugin directory
self.plugin_dir = os.path.dirname(__file__)
# initialize locale
locale = QSettings().value("locale/userLocale")[0:2]
localePath = os.path.join(self.plugin_dir,
'i18n',
'tstools_{}.qm'.format(locale))
if os.path.exists(localePath):
self.translator = QTranslator()
self.translator.load(localePath)
if qVersion() > '4.3.3':
QCoreApplication.installTranslator(self.translator)
# Location info - define these elsewhere #TODO
self.location = os.getcwd()
# Toolbar
self.init_toolbar()
# Map tool on/off
self.tool_enabled = True
print 'DEBUG {f}: found {i} TS data models'.format(
f=__file__, i=len(tsm.ts_drivers))
def init_toolbar(self):
""" Creates and populates the toolbar for plugin """
# MapTool button
self.action = QAction(QIcon(':/plugins/tstools/tstools_click.png'),
'Time Series Tools', self.iface.mainWindow())
self.action.triggered.connect(self.set_tool)
self.iface.addToolBarIcon(self.action)
# Configuration menu button
self.action_cfg = QAction(QIcon(':/plugins/tstools/tstools_config.png'),
'Configure', self.iface.mainWindow())
self.action_cfg.triggered.connect(self.handle_config)
self.iface.addToolBarIcon(self.action_cfg)
# Map tool
self.tool_ts = QgsMapToolEmitPoint(self.canvas)
self.tool_ts.setAction(self.action)
self.tool_ts.canvasClicked.connect(self.plot_request)
@pyqtSlot()
def set_tool(self):
""" Sets the time series tool as current map tool """
self.tool_enabled = True
self.canvas.setMapTool(self.tool_ts)
@pyqtSlot()
def unset_tool(self):
""" Unsets the time series tool as current map tool """
self.tool_enabled = False
self.canvas.setMapTool(None)
def handle_config(self):
""" Handles configuration menu for initializing the time series """
print 'DEBUG %s : show/hide config' % __file__
# Init the dialog
self.config = Config(self, self.location)
# Connect signals
self.config.accepted.connect(self.config_accepted)
self.config.canceled.connect(self.config_closed)
# Execute & show dialog
self.config.exec_()
def config_accepted(self):
""" Handles 'OK' button from Config dialog and tries to add
time series
"""
# Try new values
location = str(self.config.location)
model_index = int(self.config.model_index)
custom_options = self.config.custom_options
# Set data model for controller from user pick
try:
self.controller.get_time_series(
tsm.ts_drivers[model_index],
location,
custom_options)
# Accept values
self.location = location
# Close config
self.config_closed()
# Send message
self.iface.messageBar().pushMessage('Info',
'Loaded time series',
level=QgsMessageBar.INFO,
duration=3)
except:
# Send error message
self.iface.messageBar().pushMessage('Error',
'Failed to find time series.',
level=QgsMessageBar.CRITICAL,
duration=3)
raise
def config_closed(self):
""" Close and disconnect the configuration dialog """
self.config.accepted.disconnect()
self.config.canceled.disconnect()
self.config.close()
def init_controls(self):
""" Initialize and add signals to the left side control widget """
print 'DEBUG %s : init_controls' % __file__
# Create widget
self.ctrl = ControlPanel(self.iface)
# Create dock & add control widget
self.ctrl_dock = QDockWidget('TS Tools Controls',
self.iface.mainWindow())
self.ctrl_dock.setObjectName('TS Tools Controls')
self.ctrl_dock.setWidget(self.ctrl)
# Add to iface
self.iface.addDockWidget(Qt.LeftDockWidgetArea, self.ctrl_dock)
def init_plots(self):
""" Initialize and add signals to plots within bottom dock """
# Create time series plot
self.ts_plot = TSPlot(self.iface)
# TODO more plots, tabs
self.doy_plot = DOYPlot(self.iface)
# Create dock and add
self.plot_dock = QDockWidget('Plots', self.iface.mainWindow())
self.plot_dock.setObjectName('Plots')
# Create tab container
self.plot_tabs = QTabWidget(self.plot_dock)
self.plot_tabs.addTab(self.ts_plot, self.ts_plot.__str__())
self.plot_tabs.addTab(self.doy_plot, self.doy_plot.__str__())
# Add to dock widget
self.plot_dock.setWidget(self.plot_tabs)
# Add to iface
self.iface.addDockWidget(Qt.BottomDockWidgetArea, self.plot_dock)
def initGui(self):
""" Required method for Qt to load components.
Load controls, plot, and init the signal controller
"""
self.init_controls()
self.init_plots()
self.controller = Controller(self.iface, self.ctrl,
self.ts_plot, self.doy_plot, parent=self)
self.controller.enable_tool.connect(self.set_tool)
self.controller.disable_tool.connect(self.unset_tool)
self.plot_tabs.currentChanged.connect(self.controller.changed_tab)
def plot_request(self, pos, button=None):
""" Request handler for QgsMapToolEmitPoint. Gets position and sends
signal to controller to grab data & plot
"""
if self.tool_enabled is False:
print 'NO PLOT FOR YOU'
return
# Check if user has a layer added
if self.canvas.layerCount() == 0 or pos is None:
self.iface.messageBar().pushMessage('Error',
'Please add a layer before clicking...',
level=QgsMessageBar.WARNING,
duration=3)
# Check currently selected layer #TODO remove?
layer = self.canvas.currentLayer()
if (layer is None or
not layer.isValid() or
layer.type() != QgsMapLayer.RasterLayer or
layer not in setting.image_layers):
self.iface.messageBar().pushMessage('Info',
'Please select a layer from time series before clicking',
level=QgsMessageBar.WARNING,
duration=2)
return
# Check if position needs to be reprojected to layer CRS
layer_crs = layer.crs()
map_crs = self.canvas.mapRenderer().destinationCrs()
if not map_crs == layer_crs:
if self.canvas.hasCrsTransformEnabled():
crs_transform = QgsCoordinateTransform(map_crs, layer_crs)
try:
pos = crs_transform.transform(pos)
except:
self.iface.messageBar().pushMessage('Error',
'Could not convert map CRS to layer CRS',
level=QgsMessageBar.WARNING,
duration=5)
return
else:
self.iface.messageBar().pushMessage('Error',
'Could not convert map CRS to layer CRS',
level=QgsMessageBar.WARNING,
duration=5)
return
# Fetch data if inside raster
if layer and layer.extent().contains(pos):
# Fetch data
self.controller.fetch_data(pos)
if setting.canvas['show_click']:
self.controller.show_click(pos)
else:
self.iface.messageBar().pushMessage('Warning',
'Please select a point within the time series image',
level=QgsMessageBar.WARNING,
duration=5)
def unload(self):
""" Shutdown and disconnect """
# Remove toolbar icons
self.iface.removeToolBarIcon(self.action)
self.iface.removeToolBarIcon(self.action_cfg)
# Remove panels
self.iface.removeDockWidget(self.plot_dock)
self.iface.removeDockWidget(self.ctrl_dock)
# Disconnect signals
self.controller.disconnect()
class WaysCalc:
"""QGIS Plugin Implementation."""
def __init__(self, iface):
"""Constructor.
:param iface: An interface instance that will be passed to this class
which provides the hook by which you can manipulate the QGIS
application at run time.
:type iface: QgsInterface
"""
# Save reference to the QGIS interface
self.iface = iface
# initialize plugin directory
self.plugin_dir = os.path.dirname(__file__)
# initialize locale
locale = QSettings().value('locale/userLocale')[0:2]
locale_path = os.path.join(
self.plugin_dir,
'i18n',
'WaysCalc_{}.qm'.format(locale))
if os.path.exists(locale_path):
self.translator = QTranslator()
self.translator.load(locale_path)
QCoreApplication.installTranslator(self.translator)
# Declare instance attributes
self.actions = []
self.menu = self.tr(u'&WaysCalc')
# TODO: We are going to let the user set this up in a future iteration
# self.toolbar = self.iface.addToolBar(u'WaysCalc')
# self.toolbar.setObjectName(u'WaysCalc')
#print "** INITIALIZING WaysCalc"
self.pluginIsActive = False
self.dockwidget_inters_ways = None
self.dockwidget_inters_allways = None
# self.settings = None
self.IW = None #IntersectionWays
self.IAW = None #IntersectionAllWays
# noinspection PyMethodMayBeStatic
def tr(self, message):
"""Get the translation for a string using Qt translation API.
We implement this ourselves since we do not inherit QObject.
:param message: String for translation.
:type message: str, QString
:returns: Translated version of message.
:rtype: QString
"""
# noinspection PyTypeChecker,PyArgumentList,PyCallByClass
return QCoreApplication.translate('WaysCalc', message)
def initGui(self):
"""Create the menu entries and toolbar icons inside the QGIS GUI."""
# выпадающая кнопка для пересекающихся маршрутов
self.toolButton = QToolButton()
self.toolButton.setMenu(QMenu())
# setPopupMode: DelayedPopup, MenuButtonPopup, InstantPopup
self.toolButton.setPopupMode(QToolButton.InstantPopup)
self.toolButton.setAutoRaise(True)
self.toolButton_action = self.iface.addToolBarWidget(self.toolButton)
self.action_intersection = QAction(
QIcon(":/plugins/_Ways_calc/icon.png"),
u'Поиск пересечений для линейного объекта',
self.iface.mainWindow())
self.action_initLayerWays = QAction(
u"Выбор слоя для поиска пересечений",
self.iface.mainWindow())
self.action_allintersection = QAction(
QIcon(":/plugins/_Ways_calc/icon.png"),
u'Поиск пересечений всех линейных объектов',
self.iface.mainWindow())
self.iface.addPluginToMenu(u"WaysCalc", self.action_intersection)
self.iface.addPluginToMenu(u"WaysCalc", self.action_initLayerWays)
self.iface.addPluginToMenu(u"WaysCalc", self.action_allintersection)
# self.iface.addToolBarIcon(self.action_intersection)
m = self.toolButton.menu()
m.addAction(self.action_intersection)
m.addAction(self.action_initLayerWays)
m.addSeparator()
m.addAction(self.action_allintersection)
self.toolButton.setDefaultAction(self.action_intersection)
self.action_intersection.triggered.connect(self.run_intersection) # пересекающиеся маршруты
self.action_allintersection.triggered.connect(self.run_allintersection) # пересекающиеся все маршруты
self.action_initLayerWays.triggered.connect(self.run_initLayerWays) # выбор слоя сравнения
self.pointEmitterIntersection = QgsMapToolEmitPoint(self.iface.mapCanvas())
self.pointEmitterIntersection.setAction(self.action_intersection)
self.pointEmitterIntersection.canvasClicked.connect(self.pointEmitterIntersectioncanvasClicked)
self.iface.mapCanvas().currentLayerChanged.connect(self.onCurrentLayerChanged)
#--------------------------------------------------------------------------
def onClosePlugin(self):
"""Cleanup necessary items here when plugin dockwidget is closed"""
# disconnects
try:
self.dockwidget_inters_ways.closingPlugin.disconnect(self.onClosePlugin)
except:
pass
try:
self.dockwidget_inters_allways.closingPlugin.disconnect(self.onClosePlugin)
except:
pass
self.pluginIsActive = False
def unload(self):
"""Removes the plugin menu item and icon from QGIS GUI."""
self.iface.removePluginMenu(u"WaysCalc", self.action_intersection)
self.iface.removePluginMenu(u"WaysCalc", self.action_allintersection)
self.iface.removePluginMenu(u"WaysCalc", self.action_initLayerWays)
self.iface.removeToolBarIcon(self.action_intersection)
self.iface.removeToolBarIcon(self.action_intersection)
self.iface.removeToolBarIcon(self.toolButton_action)
self.action_intersection.triggered.disconnect(self.run_intersection) # пересекающиеся маршруты
self.action_allintersection.triggered.disconnect(self.run_allintersection) # пересекающиеся все маршруты
self.action_initLayerWays.triggered.disconnect(self.run_initLayerWays) # выбор слоя сравнения
self.pointEmitterIntersection.canvasClicked.connect(self.pointEmitterIntersectioncanvasClicked)
self.iface.mapCanvas().currentLayerChanged.disconnect(self.onCurrentLayerChanged)
if self.IW is not None:
self.IW.onUnLoadModule()
def init_dock_inters_ways(self, dock):
"""Run method that loads and starts the plugin"""
# if not self.pluginIsActive:
self.pluginIsActive = True
if self.dockwidget_inters_ways == None:
self.dockwidget_inters_ways = WaysCalcDockWidget()
self.dockwidget_inters_ways.closingPlugin.connect(self.onClosePlugin)
self.iface.addDockWidget(Qt.RightDockWidgetArea, self.dockwidget_inters_ways)
self.dockwidget_inters_ways.hide()
self.dockwidget_inters_ways.setWindowTitle(u'WaysCalc: Поиск пересечений для линейного объекта')
def init_dock_inters_allways(self, dock):
"""Run method that loads and starts the plugin"""
# if not self.pluginIsActive:
self.pluginIsActive = True
if self.dockwidget_inters_allways == None:
self.dockwidget_inters_allways = WaysCalcDockWidget()
self.dockwidget_inters_allways.closingPlugin.connect(self.onClosePlugin)
self.iface.addDockWidget(Qt.RightDockWidgetArea, self.dockwidget_inters_allways)
self.dockwidget_inters_allways.hide()
self.dockwidget_inters_allways.setWindowTitle(u'WaysCalc: Поиск пересечений всех линейных объектов')
def onCurrentLayerChanged(self):
self.iface.mapCanvas().unsetMapTool(self.pointEmitterIntersection)
#--------------------------------------------------------------------------
# def loadSettings(self):
# with open(os.path.join(self.plugin_dir, "settings.json"), "r") as read_file:
# self.settings = json.load(read_file)
#--------INTERSECTION WAYS-------------------------------------------------
def run_initLayerWays(self):
if self.IW is None:
self.init_IW()
self.IW.initLayerWays()
def run_intersection(self):
self.toolButton.setDefaultAction(self.action_intersection)
self.init_dock_inters_ways(self.dockwidget_inters_ways)
if self.IW is None:
self.init_IW()
if self.IW.checkLayers():
self.iface.mapCanvas().setMapTool(self.pointEmitterIntersection)
def pointEmitterIntersectioncanvasClicked(self, point, button):
self.IW.insersection_take_way(point)
def init_IW(self):
self.IW = IntersectionWays(self.iface, self.dockwidget_inters_ways)
#-------- END INTERSECTION WAYS---------------------------------------------
def init_IAW(self):
self.IAW = IntersectionAllWays(self.iface, self.dockwidget_inters_allways)
def run_allintersection(self):
self.init_dock_inters_allways(self.dockwidget_inters_allways)
if self.IAW is None:
self.init_IAW()
self.IAW.showClickedFeaturesList()
