def triangleMesh(self):
if self.triMesh is None:
prop = DEMPropertyReader(self.settings.get(ObjectTreeItem.ITEM_DEM))
dem_width = prop.width()
dem_height = prop.height()
mapTo3d = self.settings.mapTo3d
hw = 0.5 * mapTo3d.planeWidth
hh = 0.5 * mapTo3d.planeHeight
self.triMesh = TriangleMesh(-hw, -hh, hw, hh, dem_width - 1, dem_height - 1)
return self.triMesh
def triangleMesh(self, dem_width=0, dem_height=0):
if dem_width == 0 and dem_height == 0:
prop = DEMPropertyReader(self.settings.get(ObjectTreeItem.ITEM_DEM))
dem_width = prop.width()
dem_height = prop.height()
key = "{0}x{1}".format(dem_width, dem_height)
if key not in self.triMesh:
mapTo3d = self.settings.mapTo3d
hw = 0.5 * mapTo3d.planeWidth
hh = 0.5 * mapTo3d.planeHeight
self.triMesh[key] = TriangleMesh(-hw, -hh, hw, hh, dem_width - 1, dem_height - 1)
return self.triMesh[key]
def triangleMesh(self, dem_width=0, dem_height=0):
if dem_width == 0 and dem_height == 0:
prop = DEMPropertyReader(self.settings.get(ObjectTreeItem.ITEM_DEM))
dem_size = prop.demSize(self.settings.mapSettings.outputSize())
dem_width = dem_size.width()
dem_height = dem_size.height()
key = "{0}x{1}".format(dem_width, dem_height)
if key not in self.triMesh:
mapTo3d = self.settings.mapTo3d()
hw = 0.5 * mapTo3d.planeWidth
hh = 0.5 * mapTo3d.planeHeight
self.triMesh[key] = TriangleMesh(-hw, -hh, hw, hh, dem_width - 1, dem_height - 1)
return self.triMesh[key]
def writeSurroundingDEM(writer, lyrIdx, stats, properties, progress=None):
context = writer.context
mapTo3d = context.mapTo3d
canvas = context.canvas
if progress is None:
progress = dummyProgress
demlayer = QgsMapLayerRegistry().instance().mapLayer(properties["comboBox_DEMLayer"])
htmlfilename = writer.htmlfilename
# options
size = properties["spinBox_Size"]
roughening = properties["spinBox_Roughening"]
demTransparency = properties["spinBox_demtransp"]
prop = DEMPropertyReader(properties)
dem_width = (prop.width() - 1) / roughening + 1
dem_height = (prop.height() - 1) / roughening + 1
# create an image for texture
image_basesize = 128
hpw = canvas.extent().height() / canvas.extent().width()
if hpw < 1:
image_width = image_basesize
image_height = round(image_width * hpw)
#image_height = image_basesize * max(1, int(round(1 / hpw))) # not rendered expectedly
else:
image_height = image_basesize
image_width = round(image_height / hpw)
image = QImage(image_width, image_height, QImage.Format_ARGB32_Premultiplied)
layerids = []
for layer in canvas.layers():
layerids.append(unicode(layer.id()))
# set up a renderer
labeling = QgsPalLabeling()
renderer = QgsMapRenderer()
renderer.setOutputSize(image.size(), image.logicalDpiX())
renderer.setDestinationCrs(context.crs)
renderer.setProjectionsEnabled(True)
renderer.setLabelingEngine(labeling)
renderer.setLayerSet(layerids)
painter = QPainter()
antialias = True
fillColor = canvas.canvasColor()
if float(".".join(QT_VERSION_STR.split(".")[0:2])) < 4.8:
fillColor = qRgb(fillColor.red(), fillColor.green(), fillColor.blue())
warp_dem = tools.MemoryWarpRaster(demlayer.source().encode("UTF-8"))
wkt = str(context.crs.toWkt())
scripts = []
plane_index = 1
size2 = size * size
for i in range(size2):
progress(40 * i / size2 + 10)
if i == (size2 - 1) / 2: # center (map canvas)
continue
sx = i % size - (size - 1) / 2
sy = i / size - (size - 1) / 2
# calculate extent
e = canvas.extent()
extent = QgsRectangle(e.xMinimum() + sx * e.width(), e.yMinimum() + sy * e.height(),
e.xMaximum() + sx * e.width(), e.yMaximum() + sy * e.height())
# calculate extent. output dem should be handled as points.
xres = extent.width() / (dem_width - 1)
yres = extent.height() / (dem_height - 1)
geotransform = [extent.xMinimum() - xres / 2, xres, 0, extent.yMaximum() + yres / 2, 0, -yres]
# warp dem
dem_values = warp_dem.read(dem_width, dem_height, wkt, geotransform)
if stats is None:
stats = {"max": max(dem_values), "min": min(dem_values)}
else:
stats["max"] = max(max(dem_values), stats["max"])
stats["min"] = min(min(dem_values), stats["min"])
# shift and scale
if mapTo3d.verticalShift != 0:
dem_values = map(lambda x: x + mapTo3d.verticalShift, dem_values)
if mapTo3d.multiplierZ != 1:
dem_values = map(lambda x: x * mapTo3d.multiplierZ, dem_values)
if debug_mode:
qDebug("Warped DEM: %d x %d, extent %s" % (dem_width, dem_height, str(geotransform)))
# generate javascript data file
planeWidth = mapTo3d.planeWidth * extent.width() / canvas.extent().width()
planeHeight = mapTo3d.planeHeight * extent.height() / canvas.extent().height()
offsetX = mapTo3d.planeWidth * (extent.xMinimum() - canvas.extent().xMinimum()) / canvas.extent().width() + planeWidth / 2 - mapTo3d.planeWidth / 2
offsetY = mapTo3d.planeHeight * (extent.yMinimum() - canvas.extent().yMinimum()) / canvas.extent().height() + planeHeight / 2 - mapTo3d.planeHeight / 2
dem = {"width": dem_width, "height": dem_height}
dem["plane"] = {"width": planeWidth, "height": planeHeight, "offsetX": offsetX, "offsetY": offsetY}
# display type
texData = None
if properties.get("radioButton_MapCanvas", False):
renderer.setExtent(extent)
# render map image
image.fill(fillColor)
painter.begin(image)
if antialias:
painter.setRenderHint(QPainter.Antialiasing)
renderer.render(painter)
painter.end()
tex = {}
if context.localBrowsingMode:
texData = tools.base64image(image)
else:
texfilename = os.path.splitext(htmlfilename)[0] + "_%d.png" % plane_index
image.save(texfilename)
texSrc = os.path.split(texfilename)[1]
tex["src"] = texSrc
if demTransparency > 0:
demOpacity = 1.0 - float(demTransparency) / 100
tex["o"] = demOpacity
tex["t"] = demOpacity < 1 #
dem["t"] = tex
elif properties.get("radioButton_SolidColor", False):
dem["m"] = writer.materialManager.getMeshLambertIndex(properties["lineEdit_Color"], demTransparency)
elif properties.get("radioButton_Wireframe", False):
dem["m"] = writer.materialManager.getWireframeIndex(properties["lineEdit_Color"], demTransparency)
# write dem object
writer.write("lyr[{0}].dem[{1}] = {2};\n".format(lyrIdx, plane_index, writer.obj2js(dem)))
writer.write("lyr[{0}].dem[{1}].data = [{2}];\n".format(lyrIdx, plane_index, ",".join(map(gdal2threejs.formatValue, dem_values))))
if texData is not None:
writer.write('lyr[{0}].dem[{1}].t.data = "{2}";\n'.format(lyrIdx, plane_index, texData))
plane_index += 1
def writeSimpleDEM(writer, properties, progress=None):
context = writer.context
mapTo3d = context.mapTo3d
canvas = context.canvas
extent = canvas.extent()
temp_dir = QDir.tempPath()
timestamp = writer.timestamp
htmlfilename = writer.htmlfilename
if progress is None:
progress = dummyProgress
prop = DEMPropertyReader(properties)
dem_width = prop.width()
dem_height = prop.height()
# warp dem
# calculate extent. output dem should be handled as points.
xres = extent.width() / (dem_width - 1)
yres = extent.height() / (dem_height - 1)
geotransform = [extent.xMinimum() - xres / 2, xres, 0, extent.yMaximum() + yres / 2, 0, -yres]
wkt = str(context.crs.toWkt())
layerName = ""
demLayerId = properties["comboBox_DEMLayer"]
if demLayerId:
layer = QgsMapLayerRegistry().instance().mapLayer(demLayerId)
layerName = layer.name()
warp_dem = tools.MemoryWarpRaster(layer.source().encode("UTF-8"))
else:
warp_dem = tools.FlatRaster()
# warp dem
dem_values = warp_dem.read(dem_width, dem_height, wkt, geotransform)
# calculate statistics
stats = {"max": max(dem_values), "min": min(dem_values)}
# shift and scale
if mapTo3d.verticalShift != 0:
dem_values = map(lambda x: x + mapTo3d.verticalShift, dem_values)
if mapTo3d.multiplierZ != 1:
dem_values = map(lambda x: x * mapTo3d.multiplierZ, dem_values)
if debug_mode:
qDebug("Warped DEM: %d x %d, extent %s" % (dem_width, dem_height, str(geotransform)))
surroundings = properties.get("checkBox_Surroundings", False)
if surroundings:
roughenEdges(dem_width, dem_height, dem_values, properties["spinBox_Roughening"])
# layer dict
lyr = {"type": "dem", "name": layerName, "stats": stats}
lyr["q"] = 1 #queryable
dem = {"width": dem_width, "height": dem_height}
dem["plane"] = {"width": mapTo3d.planeWidth, "height": mapTo3d.planeHeight, "offsetX": 0, "offsetY": 0}
lyr["dem"] = [dem]
# DEM transparency
demTransparency = prop.properties["spinBox_demtransp"]
# display type
texData = texSrc = None
if properties.get("radioButton_MapCanvas", False):
# save map canvas image
#TODO: prepare material(texture) in Material manager (result is tex -> material index)
if 1: #context.localBrowsingMode:
texfilename = os.path.join(temp_dir, "tex%s.png" % (timestamp))
canvas.saveAsImage(texfilename)
texData = gdal2threejs.base64image(texfilename)
tools.removeTemporaryFiles([texfilename, texfilename + "w"])
else:
#TODO: multiple DEMs output not in localBrowsingMode
texfilename = os.path.splitext(htmlfilename)[0] + ".png"
canvas.saveAsImage(texfilename)
texSrc = os.path.split(texfilename)[1]
tools.removeTemporaryFiles([texfilename + "w"])
elif properties.get("radioButton_ImageFile", False):
filename = properties.get("lineEdit_ImageFile", "")
if os.path.exists(filename):
texData = gdal2threejs.base64image(filename)
else:
texData = "" #
QgsMessageLog.logMessage(u'Image file not found: {0}'.format(filename), "Qgis2threejs")
elif properties.get("radioButton_SolidColor", False):
dem["m"] = writer.materialManager.getMeshLambertIndex(properties["lineEdit_Color"], demTransparency)
elif properties.get("radioButton_Wireframe", False):
dem["m"] = writer.materialManager.getWireframeIndex(properties["lineEdit_Color"], demTransparency)
if texData is not None or texSrc is not None:
tex = {}
if texSrc is not None:
tex["src"] = texSrc
if demTransparency > 0:
demOpacity = 1.0 - float(demTransparency) / 100
tex["o"] = demOpacity
tex["t"] = demOpacity < 1 #
dem["t"] = tex
if not surroundings and properties.get("checkBox_Sides", False):
side = {}
sidesTransparency = prop.properties["spinBox_sidetransp"]
if sidesTransparency > 0:
sidesOpacity = str(1.0 - float(sidesTransparency) / 100)
side["o"] = sidesOpacity
dem["s"] = side
if not surroundings and properties.get("checkBox_Frame", False):
dem["frame"] = True
# write layer and central dem
lyrIdx = writer.writeLayer(lyr)
writer.write("lyr[{0}].dem[0].data = [{1}];\n".format(lyrIdx, ",".join(map(gdal2threejs.formatValue, dem_values))))
if texData is not None:
writer.write('lyr[{0}].dem[0].t.data = "{1}";\n'.format(lyrIdx, texData))
# write surrounding dems
if surroundings:
writeSurroundingDEM(writer, lyrIdx, stats, properties, progress)
# overwrite stats
writer.write("lyr[{0}].stats = {1};\n".format(lyrIdx, writer.obj2js(stats)))
def writeSurroundingDEM(writer, layer, warp_dem, stats, properties, progress=None):
settings = writer.settings
mapSettings = settings.mapSettings
mapTo3d = settings.mapTo3d
baseExtent = settings.baseExtent
progress = progress or dummyProgress
# options
size = properties["spinBox_Size"]
roughening = properties["spinBox_Roughening"]
transparency = properties["spinBox_demtransp"]
transp_background = properties.get("checkBox_TransparentBackground", False)
prop = DEMPropertyReader(properties)
dem_width = (prop.width() - 1) / roughening + 1
dem_height = (prop.height() - 1) / roughening + 1
# texture image size
canvas_size = mapSettings.outputSize()
hpw = float(canvas_size.height()) / canvas_size.width()
if hpw < 1:
image_width = settings.image_basesize
image_height = round(image_width * hpw)
#image_height = settings.image_basesize * max(1, int(round(1 / hpw))) # not rendered expectedly
else:
image_height = settings.image_basesize
image_width = round(image_height / hpw)
center = baseExtent.center()
rotation = baseExtent.rotation()
size2 = size * size
for i in range(size2):
progress(20 * i / size2 + 10)
if i == (size2 - 1) / 2: # center (map canvas)
continue
# block extent
sx = i % size - (size - 1) / 2
sy = i / size - (size - 1) / 2
block_center = QgsPoint(center.x() + sx * baseExtent.width(), center.y() + sy * baseExtent.height())
extent = RotatedRect(block_center, baseExtent.width(), baseExtent.height()).rotate(rotation, center)
# warp dem
dem_values = warp_dem.read(dem_width, dem_height, extent.geotransform(dem_width, dem_height))
if stats is None:
stats = {"max": max(dem_values), "min": min(dem_values)}
else:
stats["max"] = max(max(dem_values), stats["max"])
stats["min"] = min(min(dem_values), stats["min"])
# shift and scale
if mapTo3d.verticalShift != 0:
dem_values = map(lambda x: x + mapTo3d.verticalShift, dem_values)
if mapTo3d.multiplierZ != 1:
dem_values = map(lambda x: x * mapTo3d.multiplierZ, dem_values)
# generate javascript data file
# dem block
block = {"width": dem_width, "height": dem_height}
block["plane"] = {"width": mapTo3d.planeWidth, "height": mapTo3d.planeHeight,
"offsetX": mapTo3d.planeWidth * sx, "offsetY": mapTo3d.planeHeight * sy}
# display type
if properties.get("radioButton_MapCanvas", False):
block["m"] = layer.materialManager.getMapImageIndex(image_width, image_height, extent, transparency, transp_background)
elif properties.get("radioButton_LayerImage", False):
layerids = properties.get("layerImageIds", [])
block["m"] = layer.materialManager.getLayerImageIndex(layerids, image_width, image_height, extent, transparency, transp_background)
elif properties.get("radioButton_SolidColor", False):
block["m"] = layer.materialManager.getMeshLambertIndex(properties["lineEdit_Color"], transparency, True)
# write block
writer.write("bl = lyr.addBlock({0});\n".format(pyobj2js(block)))
writer.write("bl.data = [{0}];\n".format(",".join(map(gdal2threejs.formatValue, dem_values))))
def writeSimpleDEM(writer, properties, progress=None):
settings = writer.settings
mapTo3d = settings.mapTo3d
progress = progress or dummyProgress
prop = DEMPropertyReader(properties)
dem_width = prop.width()
dem_height = prop.height()
# warp dem
demLayer = QgsMapLayerRegistry.instance().mapLayer(prop.layerId) if prop.layerId else None
if demLayer:
layerName = demLayer.name()
warp_dem = MemoryWarpRaster(demLayer.source(), str(demLayer.crs().toWkt()), str(settings.crs.toWkt()))
else:
layerName = "Flat plane"
warp_dem = FlatRaster()
dem_values = warp_dem.read(dem_width, dem_height, settings.baseExtent.geotransform(dem_width, dem_height))
# calculate statistics
stats = {"max": max(dem_values), "min": min(dem_values)}
# shift and scale
if mapTo3d.verticalShift != 0:
dem_values = map(lambda x: x + mapTo3d.verticalShift, dem_values)
if mapTo3d.multiplierZ != 1:
dem_values = map(lambda x: x * mapTo3d.multiplierZ, dem_values)
surroundings = properties.get("checkBox_Surroundings", False) if demLayer else False
if surroundings:
roughenEdges(dem_width, dem_height, dem_values, properties["spinBox_Roughening"])
# layer
layer = DEMLayer(writer, demLayer, prop)
lyr = layer.layerObject()
lyr.update({"name": layerName, "stats": stats})
lyrIdx = writer.writeLayer(lyr)
# dem block
block = {"width": dem_width, "height": dem_height}
block["plane"] = {"width": mapTo3d.planeWidth, "height": mapTo3d.planeHeight, "offsetX": 0, "offsetY": 0}
# material option
transparency = properties["spinBox_demtransp"]
transp_background = properties.get("checkBox_TransparentBackground", False)
# display type
if properties.get("radioButton_MapCanvas", False):
block["m"] = layer.materialManager.getCanvasImageIndex(transparency, transp_background)
elif properties.get("radioButton_LayerImage", False):
layerids = properties.get("layerImageIds", [])
size = settings.mapSettings.outputSize()
block["m"] = layer.materialManager.getLayerImageIndex(layerids, size.width(), size.height(), settings.baseExtent, transparency, transp_background)
elif properties.get("radioButton_ImageFile", False):
filepath = properties.get("lineEdit_ImageFile", "")
block["m"] = layer.materialManager.getImageFileIndex(filepath, transparency, transp_background, True)
elif properties.get("radioButton_SolidColor", False):
block["m"] = layer.materialManager.getMeshLambertIndex(properties["lineEdit_Color"], transparency, True)
#elif properties.get("radioButton_Wireframe", False):
# block["m"] = layer.materialManager.getWireframeIndex(properties["lineEdit_Color"], transparency)
clip_layer = None
if not surroundings:
# clipping option
clip_option = properties.get("checkBox_Clip", False)
if clip_option:
clip_layerId = properties.get("comboBox_ClipLayer")
clip_layer = QgsMapLayerRegistry.instance().mapLayer(clip_layerId) if clip_layerId else None
if properties.get("checkBox_Sides", False):
block["sides"] = True
if properties.get("checkBox_Frame", False) and not clip_option:
block["frame"] = True
# write central block
writer.write("bl = lyr.addBlock({0}, {1});\n".format(pyobj2js(block), pyobj2js(bool(clip_layer))))
writer.write("bl.data = [{0}];\n".format(",".join(map(gdal2threejs.formatValue, dem_values))))
# clipped with polygon layer
if clip_layer:
geometry = dissolvePolygonsOnCanvas(writer, clip_layer)
z_func = lambda x, y: 0
transform_func = lambda x, y, z: mapTo3d.transform(x, y, z)
geom = PolygonGeometry.fromQgsGeometry(geometry, z_func, transform_func)
geom.splitPolygon(writer.triangleMesh(dem_width, dem_height))
polygons = []
for polygon in geom.polygons:
bnds = []
for boundary in polygon:
bnds.append(map(lambda pt: [pt.x, pt.y], boundary))
polygons.append(bnds)
writer.write("bl.clip = {};\n")
writer.write("bl.clip.polygons = {0};\n".format(pyobj2js(polygons)))
triangles = Triangles()
polygons = []
for polygon in geom.split_polygons:
boundary = polygon[0]
if len(polygon) == 1 and len(boundary) == 4:
triangles.addTriangle(boundary[0], boundary[2], boundary[1]) # vertex order should be counter-clockwise
else:
bnds = [map(lambda pt: [pt.x, pt.y], bnd) for bnd in polygon]
polygons.append(bnds)
vf = {"v": map(lambda pt: [pt.x, pt.y], triangles.vertices), "f": triangles.faces}
writer.write("bl.clip.triangles = {0};\n".format(pyobj2js(vf)))
writer.write("bl.clip.split_polygons = {0};\n".format(pyobj2js(polygons)))
# write surrounding dems
if surroundings:
writeSurroundingDEM(writer, layer, warp_dem, stats, properties, progress)
# overwrite stats
writer.write("lyr.stats = {0};\n".format(pyobj2js(stats)))
writer.writeMaterials(layer.materialManager)
def writeSimpleDEM(writer, properties, progress=None):
settings = writer.settings
mapTo3d = settings.mapTo3d
progress = progress or dummyProgress
prop = DEMPropertyReader(properties)
dem_width = prop.width()
dem_height = prop.height()
# warp dem
demLayer = QgsMapLayerRegistry.instance().mapLayer(prop.layerId) if prop.layerId else None
if demLayer:
layerName = demLayer.name()
warp_dem = MemoryWarpRaster(demLayer.source(), str(demLayer.crs().toWkt()), str(settings.crs.toWkt()))
else:
layerName = "Flat plane"
warp_dem = FlatRaster()
dem_values = warp_dem.read(dem_width, dem_height, settings.baseExtent.geotransform(dem_width, dem_height))
# calculate statistics
stats = {"max": max(dem_values), "min": min(dem_values)}
# shift and scale
if mapTo3d.verticalShift != 0:
dem_values = map(lambda x: x + mapTo3d.verticalShift, dem_values)
if mapTo3d.multiplierZ != 1:
dem_values = map(lambda x: x * mapTo3d.multiplierZ, dem_values)
surroundings = properties.get("checkBox_Surroundings", False) if demLayer else False
if surroundings:
roughenEdges(dem_width, dem_height, dem_values, properties["spinBox_Roughening"])
# layer
layer = DEMLayer(writer, demLayer, prop)
lyr = layer.layerObject()
lyr.update({"name": layerName, "stats": stats})
lyrIdx = writer.writeLayer(lyr)
# dem block
block = {"width": dem_width, "height": dem_height}
block["plane"] = {"width": mapTo3d.planeWidth, "height": mapTo3d.planeHeight, "offsetX": 0, "offsetY": 0}
# material option
transparency = properties["spinBox_demtransp"]
transp_background = properties.get("checkBox_TransparentBackground", False)
# display type
if properties.get("radioButton_MapCanvas", False):
block["m"] = layer.materialManager.getCanvasImageIndex(transparency, transp_background)
elif properties.get("radioButton_LayerImage", False):
layerids = properties.get("layerImageIds", [])
size = settings.mapSettings.outputSize()
block["m"] = layer.materialManager.getLayerImageIndex(layerids, size.width(), size.height(), settings.baseExtent, transparency, transp_background)
elif properties.get("radioButton_ImageFile", False):
filepath = properties.get("lineEdit_ImageFile", "")
block["m"] = layer.materialManager.getImageFileIndex(filepath, transparency, transp_background, True)
elif properties.get("radioButton_SolidColor", False):
block["m"] = layer.materialManager.getMeshLambertIndex(properties["lineEdit_Color"], transparency, True)
#elif properties.get("radioButton_Wireframe", False):
# block["m"] = layer.materialManager.getWireframeIndex(properties["lineEdit_Color"], transparency)
# shading (whether compute normals)
if properties.get("checkBox_Shading", True):
block["shading"] = True
if not surroundings and properties.get("checkBox_Sides", False):
block["s"] = True
if not surroundings and properties.get("checkBox_Frame", False):
block["frame"] = True
# write central block
writer.write("bl = lyr.addBlock({0});\n".format(pyobj2js(block)))
writer.write("bl.data = [{0}];\n".format(",".join(map(gdal2threejs.formatValue, dem_values))))
# write surrounding dems
if surroundings:
writeSurroundingDEM(writer, layer, warp_dem, stats, properties, progress)
# overwrite stats
writer.write("lyr.stats = {0};\n".format(pyobj2js(stats)))
writer.writeMaterials(layer.materialManager)
def writeMultiResDEM(writer, properties, progress=None):
settings = writer.settings
mapSettings = settings.mapSettings
mapTo3d = settings.mapTo3d()
baseExtent = settings.baseExtent
progress = progress or dummyProgress
prop = DEMPropertyReader(properties)
# DEM provider
provider = settings.demProviderByLayerId(prop.layerId)
if isinstance(provider, GDALDEMProvider):
demLayer = QgsMapLayerRegistry.instance().mapLayer(prop.layerId)
layerName = demLayer.name()
else:
demLayer = None
layerName = provider.name()
# layer
layer = DEMLayer(writer, demLayer, prop)
lyr = layer.layerObject()
lyr.update({"name": layerName})
writer.writeLayer(lyr)
# quad tree
quadtree = settings.quadtree()
if quadtree is None:
return
# (currently) dem size is 2 ^ quadtree.height * a + 1, where a is larger integer than 0
# with smooth resolution change, this is not necessary
dem_width = dem_height = max(64, 2**quadtree.height) + 1
# material options
texture_scale = properties.get("comboBox_TextureSize", 100) / 100
transparency = properties.get("spinBox_demtransp", 0)
transp_background = properties.get("checkBox_TransparentBackground", False)
layerImageIds = properties.get("layerImageIds", [])
def materialIndex(extent, image_width, image_height):
# display type
if properties.get("radioButton_MapCanvas", False):
return layer.materialManager.getMapImageIndex(
image_width, image_height, extent, transparency,
transp_background)
elif properties.get("radioButton_LayerImage", False):
return layer.materialManager.getLayerImageIndex(
layerImageIds, image_width, image_height, extent, transparency,
transp_background)
else: #.get("radioButton_SolidColor", False)
return layer.materialManager.getMeshLambertIndex(
properties.get("lineEdit_Color", ""), transparency, True)
blocks = DEMBlocks()
def addDEMBlock(quad_rect, dem_width, dem_height, dem_values, image_width,
image_height):
planeWidth = quad_rect.width() * mapTo3d.planeWidth
planeHeight = quad_rect.height() * mapTo3d.planeHeight
extent = baseExtent.subrectangle(quad_rect)
npt = baseExtent.normalizePoint(extent.center().x(),
extent.center().y())
offsetX = (npt.x() - 0.5) * mapTo3d.planeWidth
offsetY = (npt.y() - 0.5) * mapTo3d.planeHeight
block = DEMBlock(dem_width, dem_height, dem_values, planeWidth,
planeHeight, offsetX, offsetY)
#block.zShift(mapTo3d.verticalShift)
#block.zScale(mapTo3d.multiplierZ)
block.set("m", materialIndex(extent, image_width, image_height))
blocks.appendBlock(block)
# image size
canvas_size = mapSettings.outputSize()
image_width = canvas_size.width() * texture_scale
image_height = canvas_size.height() * texture_scale
quads = quadtree.quads()
unites_center = True
centerQuads = DEMQuadList(dem_width, dem_height)
stats = None
for i, quad in enumerate(quads):
progress(15 * i / len(quads) + 5)
# block extent
extent = baseExtent.subrectangle(quad.rect)
# warp dem
dem_values = provider.read(dem_width, dem_height, extent)
if stats is None:
stats = {"max": max(dem_values), "min": min(dem_values)}
else:
stats["max"] = max(max(dem_values), stats["max"])
stats["min"] = min(min(dem_values), stats["min"])
# shift and scale
if mapTo3d.verticalShift != 0:
dem_values = map(lambda x: x + mapTo3d.verticalShift, dem_values)
if mapTo3d.multiplierZ != 1:
dem_values = map(lambda x: x * mapTo3d.multiplierZ, dem_values)
quad.setData(dem_width, dem_height, dem_values)
# process edges to eliminate opening between blocks
quadtree.processEdges()
for i, quad in enumerate(quads):
progress(15 * i / len(quads) + 20)
if unites_center and quad.height == quadtree.height:
centerQuads.addQuad(quad)
else:
addDEMBlock(quad.rect, quad.dem_width, quad.dem_height,
quad.dem_values, image_width, image_height)
if unites_center:
dem_width = (dem_width - 1) * centerQuads.width() + 1
dem_height = (dem_height - 1) * centerQuads.height() + 1
dem_values = centerQuads.unitedDEM()
image_width *= centerQuads.width()
image_height *= centerQuads.height()
addDEMBlock(centerQuads.rect(), dem_width, dem_height, dem_values,
image_width, image_height)
blocks.write(writer, separated=True)
writer.write("lyr.stats = {0};\n".format(pyobj2js(stats)))
writer.writeMaterials(layer.materialManager)
def surroundingDEMBlocks(writer, layer, provider, properties, progress=None):
settings = writer.settings
canvas_size = settings.mapSettings.outputSize()
mapTo3d = settings.mapTo3d()
baseExtent = settings.baseExtent
progress = progress or dummyProgress
# options
size = properties["spinBox_Size"]
roughening = properties["spinBox_Roughening"]
texture_scale = properties.get("comboBox_TextureSize", 100) / 100
transparency = properties.get("spinBox_demtransp", 0)
transp_background = properties.get("checkBox_TransparentBackground", False)
prop = DEMPropertyReader(properties)
dem_size = prop.demSize(canvas_size)
dem_width = (dem_size.width() - 1) / roughening + 1
dem_height = (dem_size.height() - 1) / roughening + 1
# texture size
image_width = canvas_size.width() * texture_scale
image_height = canvas_size.height() * texture_scale
center = baseExtent.center()
rotation = baseExtent.rotation()
blocks = []
size2 = size * size
for i in range(size2):
progress(20 * i / size2 + 10)
if i == (size2 - 1) / 2: # center (map canvas)
continue
# block extent
sx = i % size - (size - 1) / 2
sy = i / size - (size - 1) / 2
block_center = QgsPoint(center.x() + sx * baseExtent.width(),
center.y() + sy * baseExtent.height())
extent = RotatedRect(block_center, baseExtent.width(),
baseExtent.height()).rotate(rotation, center)
# display type
if properties.get("radioButton_MapCanvas", False):
mat = layer.materialManager.getMapImageIndex(
image_width, image_height, extent, transparency,
transp_background)
elif properties.get("radioButton_LayerImage", False):
layerids = properties.get("layerImageIds", [])
mat = layer.materialManager.getLayerImageIndex(
layerids, image_width, image_height, extent, transparency,
transp_background)
else: #.get("radioButton_SolidColor", False)
mat = layer.materialManager.getMeshLambertIndex(
properties.get("lineEdit_Color", ""), transparency, True)
# DEM block
dem_values = provider.read(dem_width, dem_height, extent)
planeWidth, planeHeight = mapTo3d.planeWidth, mapTo3d.planeHeight
offsetX, offsetY = planeWidth * sx, planeHeight * sy
block = DEMBlock(dem_width, dem_height, dem_values, planeWidth,
planeHeight, offsetX, offsetY)
block.zShift(mapTo3d.verticalShift)
block.zScale(mapTo3d.multiplierZ)
block.set("m", mat)
blocks.append(block)
return blocks
def writeSimpleDEM(writer, properties, progress=None):
settings = writer.settings
mapTo3d = settings.mapTo3d()
progress = progress or dummyProgress
prop = DEMPropertyReader(properties)
# DEM provider
provider = settings.demProviderByLayerId(prop.layerId)
if isinstance(provider, GDALDEMProvider):
demLayer = QgsMapLayerRegistry.instance().mapLayer(prop.layerId)
layerName = demLayer.name()
else:
demLayer = None
layerName = provider.name()
# layer
layer = DEMLayer(writer, demLayer, prop)
lyr = layer.layerObject()
lyr.update({"name": layerName})
writer.writeLayer(lyr)
# material option
texture_scale = properties.get("comboBox_TextureSize", 100) / 100
transparency = properties.get("spinBox_demtransp", 0)
transp_background = properties.get("checkBox_TransparentBackground", False)
# display type
canvas_size = settings.mapSettings.outputSize()
if properties.get("radioButton_MapCanvas", False):
if texture_scale == 1:
mat = layer.materialManager.getCanvasImageIndex(
transparency, transp_background)
else:
mat = layer.materialManager.getMapImageIndex(
canvas_size.width() * texture_scale,
canvas_size.height() * texture_scale, settings.baseExtent,
transparency, transp_background)
elif properties.get("radioButton_LayerImage", False):
layerids = properties.get("layerImageIds", [])
mat = layer.materialManager.getLayerImageIndex(
layerids,
canvas_size.width() * texture_scale,
canvas_size.height() * texture_scale, settings.baseExtent,
transparency, transp_background)
elif properties.get("radioButton_ImageFile", False):
filepath = properties.get("lineEdit_ImageFile", "")
mat = layer.materialManager.getImageFileIndex(filepath, transparency,
transp_background, True)
else: #.get("radioButton_SolidColor", False)
mat = layer.materialManager.getMeshLambertIndex(
properties.get("lineEdit_Color", ""), transparency, True)
#elif properties.get("radioButton_Wireframe", False):
# block["m"] = layer.materialManager.getWireframeIndex(properties["lineEdit_Color"], transparency)
# get DEM values
dem_size = prop.demSize(settings.mapSettings.outputSize())
dem_width, dem_height = dem_size.width(), dem_size.height()
dem_values = provider.read(dem_width, dem_height, settings.baseExtent)
# DEM block
block = DEMBlock(dem_width, dem_height, dem_values, mapTo3d.planeWidth,
mapTo3d.planeHeight, 0, 0)
block.zShift(mapTo3d.verticalShift)
block.zScale(mapTo3d.multiplierZ)
block.set("m", mat)
surroundings = properties.get("checkBox_Surroundings",
False) if prop.layerId else False
if surroundings:
blocks = DEMBlocks()
blocks.appendBlock(block)
blocks.appendBlocks(
surroundingDEMBlocks(writer, layer, provider, properties,
progress))
blocks.processEdges()
blocks.write(writer)
writer.write("lyr.stats = {0};\n".format(pyobj2js(blocks.stats())))
else:
# clipping
clip_option = properties.get("checkBox_Clip", False)
if clip_option:
clip_layerId = properties.get("comboBox_ClipLayer")
clip_layer = QgsMapLayerRegistry.instance().mapLayer(
clip_layerId) if clip_layerId else None
if clip_layer:
block.setClipGeometry(
dissolvePolygonsOnCanvas(writer, clip_layer))
# sides and bottom
if properties.get("checkBox_Sides", False):
block.set("sides", True)
# frame
if properties.get("checkBox_Frame", False) and not clip_option:
block.set("frame", True)
block.write(writer)
writer.write("lyr.stats = {0};\n".format(pyobj2js(block.orig_stats)))
# materials
writer.writeMaterials(layer.materialManager)
def surroundingDEMBlocks(writer, layer, provider, properties, progress=None):
settings = writer.settings
mapSettings = settings.mapSettings
mapTo3d = settings.mapTo3d
baseExtent = settings.baseExtent
progress = progress or dummyProgress
# options
size = properties["spinBox_Size"]
roughening = properties["spinBox_Roughening"]
texture_scale = properties["comboBox_TextureSize"] / 100
transparency = properties["spinBox_demtransp"]
transp_background = properties.get("checkBox_TransparentBackground", False)
prop = DEMPropertyReader(properties)
dem_width = (prop.width() - 1) / roughening + 1
dem_height = (prop.height() - 1) / roughening + 1
# texture size
canvas_size = mapSettings.outputSize()
image_width = canvas_size.width() * texture_scale
image_height = canvas_size.height() * texture_scale
center = baseExtent.center()
rotation = baseExtent.rotation()
blocks = []
size2 = size * size
for i in range(size2):
progress(20 * i / size2 + 10)
if i == (size2 - 1) / 2: # center (map canvas)
continue
# block extent
sx = i % size - (size - 1) / 2
sy = i / size - (size - 1) / 2
block_center = QgsPoint(center.x() + sx * baseExtent.width(), center.y() + sy * baseExtent.height())
extent = RotatedRect(block_center, baseExtent.width(), baseExtent.height()).rotate(rotation, center)
# display type
if properties.get("radioButton_MapCanvas", False):
mat = layer.materialManager.getMapImageIndex(image_width, image_height, extent, transparency, transp_background)
elif properties.get("radioButton_LayerImage", False):
layerids = properties.get("layerImageIds", [])
mat = layer.materialManager.getLayerImageIndex(layerids, image_width, image_height, extent, transparency, transp_background)
else: #.get("radioButton_SolidColor", False)
mat = layer.materialManager.getMeshLambertIndex(properties["lineEdit_Color"], transparency, True)
# DEM block
dem_values = provider.read(dem_width, dem_height, extent)
planeWidth, planeHeight = mapTo3d.planeWidth, mapTo3d.planeHeight
offsetX, offsetY = planeWidth * sx, planeHeight * sy
block = DEMBlock(dem_width, dem_height, dem_values, planeWidth, planeHeight, offsetX, offsetY)
block.zShift(mapTo3d.verticalShift)
block.zScale(mapTo3d.multiplierZ)
block.set("m", mat)
blocks.append(block)
return blocks
def writeSimpleDEM(writer, properties, progress=None):
settings = writer.settings
mapTo3d = settings.mapTo3d
progress = progress or dummyProgress
prop = DEMPropertyReader(properties)
# DEM provider
provider = settings.demProviderByLayerId(prop.layerId)
if isinstance(provider, GDALDEMProvider):
demLayer = QgsMapLayerRegistry.instance().mapLayer(prop.layerId)
layerName = demLayer.name()
else:
demLayer = None
layerName = provider.name()
# layer
layer = DEMLayer(writer, demLayer, prop)
lyr = layer.layerObject()
lyr.update({"name": layerName})
lyrIdx = writer.writeLayer(lyr)
# material option
texture_scale = properties["comboBox_TextureSize"] / 100
transparency = properties["spinBox_demtransp"]
transp_background = properties.get("checkBox_TransparentBackground", False)
# display type
canvas_size = settings.mapSettings.outputSize()
if properties.get("radioButton_MapCanvas", False):
if texture_scale == 1:
mat = layer.materialManager.getCanvasImageIndex(transparency, transp_background)
else:
mat = layer.materialManager.getMapImageIndex(canvas_size.width() * texture_scale, canvas_size.height() * texture_scale, settings.baseExtent, transparency, transp_background)
elif properties.get("radioButton_LayerImage", False):
layerids = properties.get("layerImageIds", [])
mat = layer.materialManager.getLayerImageIndex(layerids, canvas_size.width() * texture_scale, canvas_size.height() * texture_scale, settings.baseExtent, transparency, transp_background)
elif properties.get("radioButton_ImageFile", False):
filepath = properties.get("lineEdit_ImageFile", "")
mat = layer.materialManager.getImageFileIndex(filepath, transparency, transp_background, True)
else: #.get("radioButton_SolidColor", False)
mat = layer.materialManager.getMeshLambertIndex(properties["lineEdit_Color"], transparency, True)
#elif properties.get("radioButton_Wireframe", False):
# block["m"] = layer.materialManager.getWireframeIndex(properties["lineEdit_Color"], transparency)
# get DEM values
dem_width, dem_height = prop.width(), prop.height()
dem_values = provider.read(dem_width, dem_height, settings.baseExtent)
# DEM block
block = DEMBlock(dem_width, dem_height, dem_values, mapTo3d.planeWidth, mapTo3d.planeHeight, 0, 0)
block.zShift(mapTo3d.verticalShift)
block.zScale(mapTo3d.multiplierZ)
block.set("m", mat)
surroundings = properties.get("checkBox_Surroundings", False) if prop.layerId else False
if surroundings:
blocks = DEMBlocks()
blocks.appendBlock(block)
blocks.appendBlocks(surroundingDEMBlocks(writer, layer, provider, properties, progress))
blocks.processEdges()
blocks.write(writer)
writer.write("lyr.stats = {0};\n".format(pyobj2js(blocks.stats())))
else:
# clipping
if properties.get("checkBox_Clip", False):
clip_layerId = properties.get("comboBox_ClipLayer")
clip_layer = QgsMapLayerRegistry.instance().mapLayer(clip_layerId) if clip_layerId else None
if clip_layer:
block.setClipGeometry(dissolvePolygonsOnCanvas(writer, clip_layer))
# sides and bottom
if properties.get("checkBox_Sides", False):
block.set("sides", True)
# frame
if properties.get("checkBox_Frame", False) and not clip_option:
block.set("frame", True)
block.write(writer)
writer.write("lyr.stats = {0};\n".format(pyobj2js(block.orig_stats)))
# materials
writer.writeMaterials(layer.materialManager)
