def saveSettings(self, filename=None):
if not filename:
# file save dialog
directory = QgsProject.instance().homePath()
if not directory:
directory = os.path.split(
self.ui.lineEdit_OutputFilename.text())[0]
if not directory:
directory = QDir.homePath()
filename = QFileDialog.getSaveFileName(
self, "Save Export Settings", directory,
"Settings files (*.qto3settings)")
if not filename:
return
# append .qto3settings extension if filename doesn't have
if os.path.splitext(filename)[1].lower() != ".qto3settings":
filename += ".qto3settings"
# save settings to file (.qto3settings)
import codecs
import json
with codecs.open(filename, "w", "UTF-8") as f:
json.dump(self.settings(True),
f,
ensure_ascii=False,
indent=2,
sort_keys=True)
logMessage(u"Settings saved: {0}".format(filename))
def saveSettings(self, filename=None):
if not filename:
# file save dialog
directory = QgsProject.instance().homePath()
if not directory:
directory = os.path.split(self.ui.lineEdit_OutputFilename.text())[0]
if not directory:
directory = QDir.homePath()
filename = QFileDialog.getSaveFileName(
self, "Save Export Settings", directory, "Settings files (*.qto3settings)"
)
if not filename:
return
# append .qto3settings extension if filename doesn't have
if os.path.splitext(filename)[1].lower() != ".qto3settings":
filename += ".qto3settings"
# save settings to file (.qto3settings)
import codecs
import json
with codecs.open(filename, "w", "UTF-8") as f:
json.dump(self.settings(True), f, ensure_ascii=False)
logMessage(u"Settings saved: {0}".format(filename))
def properties(self):
p = {}
for w in self.propertyWidgets:
v = None
if isinstance(w, QComboBox):
index = w.currentIndex()
if index == -1:
v = None
else:
v = w.itemData(index)
elif isinstance(w, QRadioButton):
if not w.isChecked():
continue
v = w.isChecked()
elif isinstance(w, QCheckBox):
v = w.isChecked()
elif isinstance(w, (QSlider, QSpinBox)):
v = w.value()
elif isinstance(w, QLineEdit):
v = w.text()
elif isinstance(w, StyleWidget):
v = w.values()
else:
logMessage("[propertypages.py] Not recognized widget type: " + unicode(type(w)))
p[w.objectName()] = v
return p
def properties(self):
p = {}
for w in self.propertyWidgets:
v = None
if isinstance(w, QComboBox):
index = w.currentIndex()
if index == -1:
v = None
else:
v = w.itemData(index)
elif isinstance(w, QRadioButton):
if not w.isChecked():
continue
v = w.isChecked()
elif isinstance(w, QCheckBox):
v = w.isChecked()
elif isinstance(w, (QSlider, QSpinBox)):
v = w.value()
elif isinstance(w, QLineEdit):
v = w.text()
elif isinstance(w, StyleWidget):
v = w.values()
else:
logMessage("[propertypages.py] Not recognized widget type: " +
unicode(type(w)))
p[w.objectName()] = v
return p
def reloadPlugins(self):
self.modules = []
self.plugins = []
if self.allPlugins:
plugin_dir = QDir(
os.path.join(
os.path.dirname(
QFile.decodeName(__file__)),
"plugins"))
plugins = plugin_dir.entryList(
QDir.Dirs | QDir.NoSymLinks | QDir.NoDotAndDotDot)
else:
p = QSettings().value("/Qgis2threejs/plugins", "", type=unicode)
plugins = p.split(",") if p else []
import importlib
for name in plugins:
try:
modname = "Qgis2threejs.plugins." + str(name)
module = reload(
sys.modules[modname]) if modname in sys.modules else importlib.import_module(modname)
self.modules.append(module)
self.plugins.append(getattr(module, "plugin_class"))
except ImportError:
logMessage("Failed to load plugin: " + str(name))
def _readTransparency(self, widgetValues, f=None):
vals = widgetValues
if vals["comboData"] == TransparencyWidgetFunc.VALUE:
try:
return int(vals["editText"])
except ValueError:
return 0
alpha = None
symbol = self.layer.rendererV2().symbolForFeature(f)
if symbol is None:
logMessage(u'Symbol for feature cannot be found: {0}'.format(
self.layer.name()))
symbol = self.layer.rendererV2().symbols()[0]
else:
sl = symbol.symbolLayer(0)
if sl: # and sl.hasDataDefinedProperties():
expr = sl.dataDefinedProperty("color")
if expr:
# data defined transparency
cs_rgba = expr.evaluate(f, f.fields())
rgba = cs_rgba.split(",")
if len(rgba) == 4:
alpha = float(rgba[3]) / 255
if alpha is None:
alpha = symbol.alpha()
opacity = float(100 - self.layer.layerTransparency()) / 100
opacity *= alpha # opacity = layer_opacity * feature_opacity
return int((1.0 - opacity) * 100)
def _readTransparency(self, widgetValues, f=None):
vals = widgetValues
if vals["comboData"] == TransparencyWidgetFunc.VALUE:
try:
return int(vals["editText"])
except ValueError:
return 0
alpha = None
symbol = self.layer.rendererV2().symbolForFeature(f)
if symbol is None:
logMessage(u'Symbol for feature cannot be found: {0}'.format(self.layer.name()))
symbol = self.layer.rendererV2().symbols()[0]
else:
sl = symbol.symbolLayer(0)
if sl: # and sl.hasDataDefinedProperties():
expr = sl.dataDefinedProperty("color")
if expr:
# data defined transparency
cs_rgba = expr.evaluate(f, f.fields())
rgba = cs_rgba.split(",")
if len(rgba) == 4:
alpha = float(rgba[3]) / 255
if alpha is None:
alpha = symbol.alpha()
opacity = float(100 - self.layer.layerTransparency()) / 100
opacity *= alpha # opacity = layer_opacity * feature_opacity
return int((1.0 - opacity) * 100)
def write(self, f):
if len(self._list) == 0:
return
f.write(u'\n// 3D model data\n')
for index, model in enumerate(self._list):
model_type, path = model
exists = os.path.exists(path)
if exists and os.path.isfile(path):
with open(path) as model_file:
data = model_file.read().replace(
"\\",
"\\\\").replace(
"'",
"\\'").replace(
"\t",
"\\t").replace(
"\r",
"\\r").replace(
"\n",
"\\n")
f.write(
u"project.models[%d] = {type:'%s',data:'%s'};\n" %
(index, model_type, data))
else:
f.write(
u"project.models[%d] = {type:'%s',data:null};\n" %
(index, model_type))
if exists:
err_msg = u"Not 3D model file path"
else:
err_msg = u"3D model file not found"
logMessage(u"{0}: {1} ({2})".format(err_msg, path, model_type))
def _renderedImage2(self, width, height, extent, transp_background=False, layerids=None):
"""rendering function for GIS < 2.7"""
antialias = True
if self._renderer is None:
self._initRenderer()
canvas = self.exportSettings.canvas
if canvas is None:
logMessage("With this QGIS version (<= 2.6), map canvas needs to be set to the export settings")
return
if layerids is None:
layerids = [mapLayer.id() for mapLayer in canvas.layers()]
renderer = self._renderer # QgsMapRenderer
renderer.setLayerSet(layerids)
image = QImage(width, height, QImage.Format_ARGB32_Premultiplied)
if transp_background:
image.fill(QColor(Qt.transparent).rgba()) #
else:
image.fill(canvas.canvasColor().rgba()) #
renderer.setOutputSize(image.size(), image.logicalDpiX())
renderer.setExtent(extent.unrotatedRect())
painter = QPainter()
painter.begin(image)
if antialias:
painter.setRenderHint(QPainter.Antialiasing)
renderer.render(painter)
painter.end()
return tools.base64image(image)
def values(self, f=None):
vals = []
for i in range(32): # big number for style count
p = "styleWidget" + str(i)
if p not in self.properties:
break
widgetValues = self.properties[p]
if len(widgetValues) == 0:
break
widgetType = widgetValues["type"]
comboData = widgetValues.get("comboData")
if widgetType in [StyleWidget.COLOR, StyleWidget.OPTIONAL_COLOR]:
vals.append(self._readColor(widgetValues, f, widgetType == StyleWidget.OPTIONAL_COLOR))
elif widgetType == StyleWidget.COLOR_TEXTURE:
if comboData == ColorTextureWidgetFunc.MAP_CANVAS:
vals.append(comboData)
elif comboData == ColorTextureWidgetFunc.LAYER:
vals.append(widgetValues.get("layerIds", []))
else:
vals.append(self._readColor(widgetValues, f))
elif widgetType == StyleWidget.TRANSPARENCY:
vals.append(self._readTransparency(widgetValues, f))
elif widgetType == StyleWidget.FILEPATH:
if comboData == FilePathWidgetFunc.FILEPATH or f is None:
vals.append(widgetValues["editText"])
else:
# prefix + attribute
fieldName = widgetValues["comboText"].strip('"')
value = f.attribute(fieldName)
if value == NULL:
value = ""
logMessage(u"Empty attribute value in the field '{0}'".format(fieldName))
vals.append(os.path.join(widgetValues["editText"], value.strip('"')))
elif widgetType == StyleWidget.CHECKBOX:
vals.append(widgetValues["checkBox"])
elif widgetType == StyleWidget.HEIGHT:
if widgetValues["comboData"] in [HeightWidgetFunc.RELATIVE, HeightWidgetFunc.ABSOLUTE, HeightWidgetFunc.Z_VALUE] or f is None:
vals.append(self.toFloat(widgetValues["editText"]))
else:
# attribute value + addend
fieldName = widgetValues["comboText"].lstrip("+").strip(' "')
vals.append(self.toFloat(f.attribute(fieldName)) + self.toFloat(widgetValues["editText"]))
else:
if comboData == FieldValueWidgetFunc.ABSOLUTE or f is None:
vals.append(widgetValues["editText"])
else:
# attribute value * multiplier
fieldName = widgetValues["comboText"].strip('"')
val = self.toFloat(f.attribute(fieldName)) * self.toFloat(widgetValues["editText"])
vals.append(str(val))
return vals
def write(self, f): # TODO: separated image files (not in localBrowsingMode)
if len(self._list) == 0:
return
f.write(u'\n// Base64 encoded images\n')
for index, image in enumerate(self._list):
imageType = image[0]
if imageType == self.IMAGE_FILE:
image_path = image[1]
exists = os.path.exists(image_path)
if exists and os.path.isfile(image_path):
size = QImageReader(image_path).size()
args = (index, size.width(), size.height(),
gdal2threejs.base64image(image_path))
else:
f.write(u"project.images[%d] = {data:null};\n" % index)
if exists:
err_msg = u"Not image file path"
else:
err_msg = u"Image file not found"
logMessage(u"{0}: {1}".format(err_msg, image_path))
continue
elif imageType == self.MAP_IMAGE:
width, height, extent, transp_background = image[1]
args = (
index,
width,
height,
self.renderedImage(
width,
height,
extent,
transp_background))
elif imageType == self.LAYER_IMAGE:
layerids, width, height, extent, transp_background = image[1]
args = (
index,
width,
height,
self.renderedImage(
width,
height,
extent,
transp_background,
layerids))
else: # imageType == self.CANVAS_IMAGE:
transp_background = image[1]
size = self.exportSettings.mapSettings.outputSize()
args = (index, size.width(), size.height(),
self.mapCanvasImage(transp_background))
f.write(
u'project.images[%d] = {width:%d,height:%d,data:"%s"};\n' %
args)
def saveExportSettings(self, filename):
import codecs
import json
try:
with codecs.open(filename, "w", "UTF-8") as f:
json.dump(self.exportSettings, f, ensure_ascii=False, indent=2, sort_keys=True)
return True
except Exception as e:
logMessage("Failed to save export settings: " + str(e))
return False
def demProviderByLayerId(self, id):
if not id:
return FlatDEMProvider()
if id.startswith("plugin:"):
provider = self.pluginManager.findDEMProvider(id[7:])
if provider:
return provider(str(self.crs.toWkt()))
logMessage('Plugin "{0}" not found'.format(id))
return FlatDEMProvider()
else:
layer = QgsMapLayerRegistry.instance().mapLayer(id)
return GDALDEMProvider(layer.source(), str(self.crs.toWkt()), source_wkt=str(layer.crs().toWkt())) # use CRS set to the layer in QGIS
def demProviderByLayerId(self, id):
if not id:
return FlatDEMProvider()
if id.startswith("plugin:"):
provider = self.pluginManager.findDEMProvider(id[7:])
if provider:
return provider(str(self.crs.toWkt()))
logMessage('Plugin "{0}" not found'.format(id))
return FlatDEMProvider()
else:
layer = QgsMapLayerRegistry.instance().mapLayer(id)
return GDALDEMProvider(layer.source(), str(self.crs.toWkt()), source_wkt=str(layer.crs().toWkt())) # use CRS set to the layer in QGIS
def run(self):
from vectorobject import ObjectTypeManager
from pluginmanager import PluginManager
from qgis2threejsdialog import Qgis2threejsDialog
if self.objectTypeManager is None:
self.objectTypeManager = ObjectTypeManager()
if self.pluginManager is None:
self.pluginManager = PluginManager()
# restore export settings
proj_path = QgsProject.instance().fileName()
settingsFilePath = proj_path + ".qto3settings" if proj_path else None
if not self.exportSettings or settingsFilePath != self.settingsFilePath:
if settingsFilePath and os.path.exists(settingsFilePath):
self.loadExportSettings(settingsFilePath)
logMessage(u"Restored export settings of this project: {0}".format(
os.path.basename(proj_path))) # QgsProject.instance().title()
dialog = Qgis2threejsDialog(
self.iface,
self.objectTypeManager,
self.pluginManager,
self.exportSettings,
self.lastTreeItemData)
# show dialog
dialog.show()
ret = dialog.exec_()
self.exportSettings = dialog.settings(True)
item = dialog.ui.treeWidget.currentItem()
self.lastTreeItemData = item.data(0, Qt.UserRole) if item else None
# if export succeeded, save export settings in the directory that
# project file exists
if ret and settingsFilePath:
self.saveExportSettings(settingsFilePath)
self.settingsFilePath = settingsFilePath
def _renderedImage2(self,
width,
height,
extent,
transp_background=False,
layerids=None):
"""rendering function for GIS < 2.7"""
antialias = True
if self._renderer is None:
self._initRenderer()
canvas = self.exportSettings.canvas
if canvas is None:
logMessage(
"With this QGIS version (<= 2.6), map canvas needs to be set to the export settings"
)
return
if layerids is None:
layerids = [mapLayer.id() for mapLayer in canvas.layers()]
renderer = self._renderer # QgsMapRenderer
renderer.setLayerSet(layerids)
image = QImage(width, height, QImage.Format_ARGB32_Premultiplied)
if transp_background:
image.fill(QColor(Qt.transparent).rgba()) #
else:
image.fill(canvas.canvasColor().rgba()) #
renderer.setOutputSize(image.size(), image.logicalDpiX())
renderer.setExtent(extent.unrotatedRect())
painter = QPainter()
painter.begin(image)
if antialias:
painter.setRenderHint(QPainter.Antialiasing)
renderer.render(painter)
painter.end()
return tools.base64image(image)
def write(self, f):
if len(self._list) == 0:
return
f.write(u'\n// 3D model data\n')
for index, model in enumerate(self._list):
model_type, path = model
exists = os.path.exists(path)
if exists and os.path.isfile(path):
with open(path) as model_file:
data = model_file.read().replace("\\", "\\\\").replace("'", "\\'").replace("\t", "\\t").replace("\r", "\\r").replace("\n", "\\n")
f.write(u"project.models[%d] = {type:'%s',data:'%s'};\n" % (index, model_type, data))
else:
f.write(u"project.models[%d] = {type:'%s',data:null};\n" % (index, model_type))
if exists:
err_msg = u"Not 3D model file path"
else:
err_msg = u"3D model file not found"
logMessage(u"{0}: {1} ({2})".format(err_msg, path, model_type))
def reloadPlugins(self):
self.modules = []
self.plugins = []
allPlugins = False
if allPlugins:
plugin_dir = QDir(os.path.join(os.path.dirname(QFile.decodeName(__file__)), "plugins"))
plugins = plugin_dir.entryList(QDir.Dirs | QDir.NoSymLinks | QDir.NoDotAndDotDot)
else:
p = QSettings().value("/Qgis2threejs/plugins", "", type=unicode)
plugins = p.split(",") if p else []
import importlib
for name in plugins:
try:
modname = "Qgis2threejs.plugins." + str(name)
module = reload(sys.modules[modname]) if modname in sys.modules else importlib.import_module(modname)
self.modules.append(module)
self.plugins.append(getattr(module, "plugin_class"))
except ImportError:
logMessage("Failed to load plugin: " + str(name))
def setProperties(self, properties):
for n, v in properties.items():
w = getattr(self, n, None)
if w is None:
continue
if isinstance(w, QComboBox):
if v is not None:
index = w.findData(v)
if index != -1:
w.setCurrentIndex(index)
elif isinstance(w, (QRadioButton, QCheckBox)): # subclass of QAbstractButton
w.setChecked(v)
elif isinstance(w, (QSlider, QSpinBox)):
w.setValue(v)
elif isinstance(w, QLineEdit):
w.setText(v)
elif isinstance(w, StyleWidget):
if len(v):
w.setValues(v)
else:
logMessage("[propertypages.py] Cannot restore %s property" % n)
def _readColor(self, widgetValues, f=None, isBorder=False):
global colorNames
mode = widgetValues["comboData"]
if mode == OptionalColorWidgetFunc.NONE:
return None
if mode == ColorWidgetFunc.RGB:
return widgetValues["editText"]
if mode == ColorWidgetFunc.RANDOM or f is None:
if len(colorNames) == 0:
colorNames = QColor.colorNames()
colorName = random.choice(colorNames)
colorNames.remove(colorName)
return QColor(colorName).name().replace("#", "0x")
# feature color
symbol = self.layer.rendererV2().symbolForFeature(f)
if symbol is None:
logMessage(u'Symbol for feature cannot be found: {0}'.format(
self.layer.name()))
symbol = self.layer.rendererV2().symbols()[0]
else:
sl = symbol.symbolLayer(0)
if sl and isBorder:
return sl.outlineColor().name().replace("#", "0x")
if sl: # and sl.hasDataDefinedProperties(): # needs >= 2.2
expr = sl.dataDefinedProperty("color")
if expr:
# data defined color
cs_rgb = expr.evaluate(f, f.fields())
# "rrr,ggg,bbb" (dec) to "0xRRGGBB" (hex)
rgb = map(int, cs_rgb.split(",")[0:3])
return "0x" + "".join(map(chr, rgb)).encode("hex")
return symbol.color().name().replace("#", "0x")
def _readColor(self, widgetValues, f=None, isBorder=False):
global colorNames
mode = widgetValues["comboData"]
if mode == OptionalColorWidgetFunc.NONE:
return None
if mode == ColorWidgetFunc.RGB:
return widgetValues["editText"]
if mode == ColorWidgetFunc.RANDOM or f is None:
if len(colorNames) == 0:
colorNames = QColor.colorNames()
colorName = random.choice(colorNames)
colorNames.remove(colorName)
return QColor(colorName).name().replace("#", "0x")
# feature color
symbol = self.layer.rendererV2().symbolForFeature(f)
if symbol is None:
logMessage(u'Symbol for feature cannot be found: {0}'.format(self.layer.name()))
symbol = self.layer.rendererV2().symbols()[0]
else:
sl = symbol.symbolLayer(0)
if sl and isBorder:
return sl.outlineColor().name().replace("#", "0x")
if sl: # and sl.hasDataDefinedProperties(): # needs >= 2.2
expr = sl.dataDefinedProperty("color")
if expr:
# data defined color
cs_rgb = expr.evaluate(f, f.fields())
# "rrr,ggg,bbb" (dec) to "0xRRGGBB" (hex)
rgb = map(int, cs_rgb.split(",")[0:3])
return "0x" + "".join(map(chr, rgb)).encode("hex")
return symbol.color().name().replace("#", "0x")
def write(self, f): #TODO: separated image files (not in localBrowsingMode)
if len(self._list) == 0:
return
f.write(u'\n// Base64 encoded images\n')
for index, image in enumerate(self._list):
imageType = image[0]
if imageType == self.IMAGE_FILE:
image_path = image[1]
exists = os.path.exists(image_path)
if exists and os.path.isfile(image_path):
size = QImageReader(image_path).size()
args = (index, size.width(), size.height(), gdal2threejs.base64image(image_path))
else:
f.write(u"project.images[%d] = {data:null};\n" % index)
if exists:
err_msg = u"Not image file path"
else:
err_msg = u"Image file not found"
logMessage(u"{0}: {1}".format(err_msg, image_path))
continue
elif imageType == self.MAP_IMAGE:
width, height, extent, transp_background = image[1]
args = (index, width, height, self.renderedImage(width, height, extent, transp_background))
elif imageType == self.LAYER_IMAGE:
layerids, width, height, extent, transp_background = image[1]
args = (index, width, height, self.renderedImage(width, height, extent, transp_background, layerids))
else: #imageType == self.CANVAS_IMAGE:
transp_background = image[1]
size = self.context.mapSettings.outputSize()
args = (index, size.width(), size.height(), self.mapCanvasImage(transp_background))
f.write(u'project.images[%d] = {width:%d,height:%d,data:"%s"};\n' % args)
def setProperties(self, properties):
for n, v in properties.items():
w = getattr(self, n, None)
if w is None:
continue
if isinstance(w, QComboBox):
if v is not None:
index = w.findData(v)
if index != -1:
w.setCurrentIndex(index)
elif isinstance(
w,
(QRadioButton, QCheckBox)): # subclass of QAbstractButton
w.setChecked(v)
elif isinstance(w, (QSlider, QSpinBox)):
w.setValue(v)
elif isinstance(w, QLineEdit):
w.setText(v)
elif isinstance(w, StyleWidget):
if len(v):
w.setValues(v)
else:
logMessage("[propertypages.py] Cannot restore %s property" % n)
def run(self):
from vectorobject import ObjectTypeManager
from pluginmanager import PluginManager
from qgis2threejsdialog import Qgis2threejsDialog
if self.objectTypeManager is None:
self.objectTypeManager = ObjectTypeManager()
if self.pluginManager is None:
self.pluginManager = PluginManager()
# restore export settings
proj_path = QgsProject.instance().fileName()
settingsFilePath = proj_path + ".qto3settings" if proj_path else None
if not self.exportSettings or settingsFilePath != self.settingsFilePath:
if settingsFilePath and os.path.exists(settingsFilePath):
self.loadExportSettings(settingsFilePath)
logMessage(u"Restored export settings of this project: {0}".format(os.path.basename(proj_path))) #QgsProject.instance().title()
dialog = Qgis2threejsDialog(self.iface, self.objectTypeManager, self.pluginManager, self.exportSettings, self.lastTreeItemData)
# show dialog
dialog.show()
ret = dialog.exec_()
self.exportSettings = dialog.settings(True)
item = dialog.ui.treeWidget.currentItem()
self.lastTreeItemData = item.data(0, Qt.UserRole) if item else None
# if export succeeded, save export settings in the directory that project file exists
if ret and settingsFilePath:
self.saveExportSettings(settingsFilePath)
self.settingsFilePath = settingsFilePath
def dissolvePolygonsOnCanvas(writer, layer):
"""dissolve polygons of the layer and clip the dissolution with base extent"""
settings = writer.settings
baseExtent = settings.baseExtent
baseExtentGeom = baseExtent.geometry()
rotation = baseExtent.rotation()
transform = QgsCoordinateTransform(layer.crs(), settings.crs)
combi = None
request = QgsFeatureRequest()
request.setFilterRect(
transform.transformBoundingBox(
baseExtent.boundingBox(), QgsCoordinateTransform.ReverseTransform))
for f in layer.getFeatures(request):
geometry = f.geometry()
if geometry is None:
logMessage("null geometry skipped")
continue
# coordinate transformation - layer crs to project crs
geom = QgsGeometry(geometry)
if geom.transform(transform) != 0:
logMessage("Failed to transform geometry")
continue
# check if geometry intersects with the base extent (rotated rect)
if rotation and not baseExtentGeom.intersects(geom):
continue
if combi:
combi = combi.combine(geom)
else:
combi = geom
# clip geom with slightly smaller extent than base extent
# to make sure that the clipped polygon stays within the base extent
geom = combi.intersection(baseExtent.clone().scale(0.999999).geometry())
if geom is None:
return None
# check if geometry is empty
if geom.isGeosEmpty():
logMessage("empty geometry")
return None
return geom
def dissolvePolygonsOnCanvas(writer, layer):
"""dissolve polygons of the layer and clip the dissolution with base extent"""
settings = writer.settings
baseExtent = settings.baseExtent
baseExtentGeom = baseExtent.geometry()
rotation = baseExtent.rotation()
transform = QgsCoordinateTransform(layer.crs(), settings.crs)
combi = None
request = QgsFeatureRequest()
request.setFilterRect(transform.transformBoundingBox(baseExtent.boundingBox(), QgsCoordinateTransform.ReverseTransform))
for f in layer.getFeatures(request):
geometry = f.geometry()
if geometry is None:
logMessage("null geometry skipped")
continue
# coordinate transformation - layer crs to project crs
geom = QgsGeometry(geometry)
if geom.transform(transform) != 0:
logMessage("Failed to transform geometry")
continue
# check if geometry intersects with the base extent (rotated rect)
if rotation and not baseExtentGeom.intersects(geom):
continue
if combi:
combi = combi.combine(geom)
else:
combi = geom
# clip geom with slightly smaller extent than base extent
# to make sure that the clipped polygon stays within the base extent
geom = combi.intersection(baseExtent.clone().scale(0.999999).geometry())
if geom is None:
return None
# check if geometry is empty
if geom.isGeosEmpty():
logMessage("empty geometry")
return None
return geom
def values(self, f=None):
vals = []
for i in range(32): # big number for style count
p = "styleWidget" + str(i)
if p not in self.properties:
break
widgetValues = self.properties[p]
if len(widgetValues) == 0:
break
widgetType = widgetValues["type"]
comboData = widgetValues.get("comboData")
if widgetType in [StyleWidget.COLOR, StyleWidget.OPTIONAL_COLOR]:
vals.append(
self._readColor(widgetValues, f,
widgetType == StyleWidget.OPTIONAL_COLOR))
elif widgetType == StyleWidget.COLOR_TEXTURE:
if comboData == ColorTextureWidgetFunc.MAP_CANVAS:
vals.append(comboData)
elif comboData == ColorTextureWidgetFunc.LAYER:
vals.append(widgetValues.get("layerIds", []))
else:
vals.append(self._readColor(widgetValues, f))
elif widgetType == StyleWidget.TRANSPARENCY:
vals.append(self._readTransparency(widgetValues, f))
elif widgetType == StyleWidget.FILEPATH:
if comboData == FilePathWidgetFunc.FILEPATH or f is None:
vals.append(widgetValues["editText"])
else:
# prefix + attribute
fieldName = widgetValues["comboText"].strip('"')
value = f.attribute(fieldName)
if value == NULL:
value = ""
logMessage(
u"Empty attribute value in the field '{0}'".format(
fieldName))
vals.append(
os.path.join(widgetValues["editText"],
value.strip('"')))
elif widgetType == StyleWidget.CHECKBOX:
vals.append(widgetValues["checkBox"])
elif widgetType == StyleWidget.HEIGHT:
if widgetValues["comboData"] in [
HeightWidgetFunc.RELATIVE, HeightWidgetFunc.ABSOLUTE,
HeightWidgetFunc.Z_VALUE
] or f is None:
vals.append(self.toFloat(widgetValues["editText"]))
else:
# attribute value + addend
fieldName = widgetValues["comboText"].lstrip("+").strip(
' "')
vals.append(
self.toFloat(f.attribute(fieldName)) +
self.toFloat(widgetValues["editText"]))
else:
if comboData == FieldValueWidgetFunc.ABSOLUTE or f is None:
vals.append(widgetValues["editText"])
else:
# attribute value * multiplier
fieldName = widgetValues["comboText"].strip('"')
val = self.toFloat(f.attribute(fieldName)) * \
self.toFloat(widgetValues["editText"])
vals.append(str(val))
return vals
def toFloat(cls, val):
try:
return float(val)
except Exception as e:
logMessage(u'{0} (value: {1})'.format(e.message, unicode(val)))
return 0
def features(self, request=None, clipGeom=None):
settings = self.writer.settings
mapTo3d = settings.mapTo3d
baseExtent = settings.baseExtent
baseExtentGeom = baseExtent.geometry()
rotation = baseExtent.rotation()
prop = self.prop
useZ = prop.useZ()
if useZ:
srs_from = osr.SpatialReference()
srs_from.ImportFromProj4(str(self.layer.crs().toProj4()))
srs_to = osr.SpatialReference()
srs_to.ImportFromProj4(str(self.writer.settings.crs.toProj4()))
ogr_transform = osr.CreateCoordinateTransformation(srs_from, srs_to)
clipGeomWkb = clipGeom.asWkb() if clipGeom else None
ogr_clipGeom = ogr.CreateGeometryFromWkb(clipGeomWkb) if clipGeomWkb else None
else:
# z_func: function to get elevation at given point (x, y) on surface
if prop.isHeightRelativeToDEM():
if self.geomType == QGis.Polygon and prop.type_index == 1: # Overlay
z_func = lambda x, y: 0
else:
# get elevation from DEM
z_func = lambda x, y: self.writer.demProvider.readValue(x, y)
else:
z_func = lambda x, y: 0
request = request or QgsFeatureRequest()
for f in self.layer.getFeatures(request):
geometry = f.geometry()
if geometry is None:
logMessage("null geometry skipped")
continue
# coordinate transformation - layer crs to project crs
geom = QgsGeometry(geometry)
if geom.transform(self.transform) != 0:
logMessage("Failed to transform geometry")
continue
# check if geometry intersects with the base extent (rotated rect)
if rotation and not baseExtentGeom.intersects(geom):
continue
# create feature
feat = Feature(self.writer, self, f)
# transform_func: function to transform the map coordinates to 3d coordinates
relativeHeight = prop.relativeHeight(f)
def transform_func(x, y, z):
return mapTo3d.transform(x, y, z + relativeHeight)
if useZ:
ogr_geom = ogr.CreateGeometryFromWkb(geometry.asWkb())
# transform geometry from layer CRS to project CRS
if ogr_geom.Transform(ogr_transform) != 0:
logMessage("Failed to transform geometry")
continue
# clip geometry
if ogr_clipGeom and self.geomType == QGis.Line:
ogr_geom = ogr_geom.Intersection(ogr_clipGeom)
if ogr_geom is None:
continue
# check if geometry is empty
if ogr_geom.IsEmpty():
logMessage("empty geometry skipped")
continue
feat.geom = self.geomClass.fromOgrGeometry25D(ogr_geom, transform_func)
else:
# clip geometry
if clipGeom and self.geomType in [QGis.Line, QGis.Polygon]:
geom = geom.intersection(clipGeom)
if geom is None:
continue
# check if geometry is empty
if geom.isGeosEmpty():
logMessage("empty geometry skipped")
continue
if self.geomType == QGis.Polygon:
feat.geom = self.geomClass.fromQgsGeometry(geom, z_func, transform_func, self.hasLabel())
if prop.type_index == 1 and prop.isHeightRelativeToDEM(): # Overlay and relative to DEM
feat.geom.splitPolygon(self.writer.triangleMesh())
else:
feat.geom = self.geomClass.fromQgsGeometry(geom, z_func, transform_func)
if feat.geom is None:
continue
yield feat
def log(self, message):
logMessage(message)
def features(self, request=None, clipGeom=None):
settings = self.writer.settings
mapTo3d = settings.mapTo3d()
baseExtent = settings.baseExtent
baseExtentGeom = baseExtent.geometry()
rotation = baseExtent.rotation()
prop = self.prop
useZ = prop.useZ()
if useZ:
srs_from = osr.SpatialReference()
srs_from.ImportFromProj4(str(self.layer.crs().toProj4()))
srs_to = osr.SpatialReference()
srs_to.ImportFromProj4(str(self.writer.settings.crs.toProj4()))
ogr_transform = osr.CreateCoordinateTransformation(
srs_from, srs_to)
clipGeomWkb = clipGeom.asWkb() if clipGeom else None
ogr_clipGeom = ogr.CreateGeometryFromWkb(
clipGeomWkb) if clipGeomWkb else None
else:
# z_func: function to get elevation at given point (x, y) on
# surface
if prop.isHeightRelativeToDEM():
if self.geomType == QGis.Polygon and prop.type_index == 1: # Overlay
z_func = lambda x, y: 0
else:
# get elevation from DEM
z_func = lambda x, y: self.writer.demProvider.readValue(
x, y)
else:
z_func = lambda x, y: 0
request = request or QgsFeatureRequest()
for f in self.layer.getFeatures(request):
geometry = f.geometry()
if geometry is None:
logMessage("null geometry skipped")
continue
# coordinate transformation - layer crs to project crs
geom = QgsGeometry(geometry)
if geom.transform(self.transform) != 0:
logMessage("Failed to transform geometry")
continue
# check if geometry intersects with the base extent (rotated rect)
if rotation and not baseExtentGeom.intersects(geom):
continue
# create feature
feat = Feature(self.writer, self, f)
# transform_func: function to transform the map coordinates to 3d
# coordinates
relativeHeight = prop.relativeHeight(f)
def transform_func(x, y, z):
return mapTo3d.transform(x, y, z + relativeHeight)
if useZ:
ogr_geom = ogr.CreateGeometryFromWkb(geometry.asWkb())
# transform geometry from layer CRS to project CRS
if ogr_geom.Transform(ogr_transform) != 0:
logMessage("Failed to transform geometry")
continue
# clip geometry
if ogr_clipGeom and self.geomType == QGis.Line:
ogr_geom = ogr_geom.Intersection(ogr_clipGeom)
if ogr_geom is None:
continue
# check if geometry is empty
if ogr_geom.IsEmpty():
logMessage("empty geometry skipped")
continue
feat.geom = self.geomClass.fromOgrGeometry25D(
ogr_geom, transform_func)
else:
# clip geometry
if clipGeom and self.geomType in [QGis.Line, QGis.Polygon]:
geom = geom.intersection(clipGeom)
if geom is None:
continue
# check if geometry is empty
if geom.isGeosEmpty():
logMessage("empty geometry skipped")
continue
if self.geomType == QGis.Polygon:
feat.geom = self.geomClass.fromQgsGeometry(
geom, z_func, transform_func, self.hasLabel())
if prop.type_index == 1 and prop.isHeightRelativeToDEM(
): # Overlay and relative to DEM
feat.geom.splitPolygon(self.writer.triangleMesh())
else:
feat.geom = self.geomClass.fromQgsGeometry(
geom, z_func, transform_func)
if feat.geom is None:
continue
yield feat
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"):
# clip with slightly smaller extent than map canvas extent
extent = baseExtent.clone().scale(0.999999)
clipGeom = extent.geometry()
for feat in layer.features(request, clipGeom):
# write geometry
# writer.writeFeature(layer, feat, obj_mod)
obj_mod.write(writer, layer, feat)
# 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 toFloat(cls, val):
try:
return float(val)
except Exception as e:
logMessage(u'{0} (value: {1})'.format(e.message, unicode(val)))
return 0
def log(self, message): logMessage(message)
def writeVectors(writer, legendInterface, progress=None):
settings = writer.settings
baseExtent = settings.baseExtent
progress = progress or dummyProgress
renderer = QgsMapRenderer()
layers = []
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 apiChanged23 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
