def __init__(self, iface=None, settingsPath=None):
""" Constructor.
:param iface: If specified, mapSettings attribute is initialized with the map settings of the map canvas.
The iface.legendInterface() is used to export vector layers in the same order as the legend.
:type iface: QgisInterface
:param settingsPath: Path to an existing settings file (.qto3settings).
:type settingsPath: unicode
"""
self.iface = iface
self.mapSettings = None
# create an export settings object
self.settings = ExportSettings()
if settingsPath:
self.settings.loadSettingsFromFile(settingsPath)
if iface:
self.setMapSettings(iface.mapCanvas().mapSettings())
def run(self):
self.endPointSelection()
ui = self.ui
filename = ui.lineEdit_OutputFilename.text() # ""=Temporary file
if filename and os.path.exists(filename):
if QMessageBox.question(
self, "Qgis2threejs",
"Output file already exists. Overwrite it?",
QMessageBox.Ok | QMessageBox.Cancel) != QMessageBox.Ok:
return
# export to web (three.js)
export_settings = ExportSettings(self.pluginManager,
self.localBrowsingMode)
export_settings.loadSettings(self.settings())
export_settings.setMapCanvas(self.iface.mapCanvas())
err_msg = export_settings.checkValidity()
if err_msg is not None:
QMessageBox.warning(self, "Qgis2threejs", err_msg
or "Invalid settings")
return
ui.pushButton_Run.setEnabled(False)
ui.toolButton_Settings.setVisible(False)
self.clearMessageBar()
self.progress(0)
if export_settings.exportMode == ExportSettings.PLAIN_MULTI_RES:
# update quads and point on map canvas
self.createRubberBands(export_settings.baseExtent,
export_settings.quadtree())
# export
ret = exportToThreeJS(export_settings, self.iface.legendInterface(),
self.objectTypeManager, self.progress)
self.progress(100)
ui.pushButton_Run.setEnabled(True)
if not ret:
ui.toolButton_Settings.setVisible(True)
return
self.clearRubberBands()
# store last selections
settings = QSettings()
settings.setValue("/Qgis2threejs/lastTemplate",
export_settings.templatePath)
settings.setValue("/Qgis2threejs/lastControls",
export_settings.controls)
# open web browser
if not tools.openHTMLFile(export_settings.htmlfilename):
ui.toolButton_Settings.setVisible(True)
return
# close dialog
QDialog.accept(self)
