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)
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)
