def write(self, writer):
mapTo3d = writer.settings.mapTo3d()
writer.write("bl = lyr.addBlock({0}, {1});\n".format(
pyobj2js(self.properties), pyobj2js(bool(self.clip_geometry))))
writer.write("bl.data = [{0}];\n".format(",".join(
map(gdal2threejs.formatValue, self.dem_values))))
# clipped with polygon layer
if self.clip_geometry:
z_func = lambda x, y: 0
transform_func = lambda x, y, z: mapTo3d.transform(x, y, z)
geom = PolygonGeometry.fromQgsGeometry(self.clip_geometry, z_func,
transform_func)
geom.splitPolygon(
writer.triangleMesh(self.dem_width, self.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)))
def write(self, f, imageManager):
if not len(self._list):
return
toMaterialType = {
self.WIREFRAME: self.MESH_LAMBERT,
self.MESH_LAMBERT_FLAT: self.MESH_LAMBERT,
self.CANVAS_IMAGE: self.MESH_PHONG,
self.MAP_IMAGE: self.MESH_PHONG,
self.LAYER_IMAGE: self.MESH_PHONG,
self.IMAGE_FILE: self.MESH_PHONG
}
for index, mat in enumerate(self._list):
m = {"type": toMaterialType.get(mat[0], mat[0])}
transp_background = False
if mat[0] == self.CANVAS_IMAGE:
transp_background = mat[1]
m["i"] = imageManager.canvasImageIndex(transp_background)
elif mat[0] == self.MAP_IMAGE:
width, height, extent, transp_background = mat[1]
m["i"] = imageManager.mapImageIndex(width, height, extent,
transp_background)
elif mat[0] == self.LAYER_IMAGE:
layerids, width, height, extent, transp_background = mat[1]
m["i"] = imageManager.layerImageIndex(layerids, width, height,
extent,
transp_background)
elif mat[0] in [self.IMAGE_FILE, self.SPRITE]:
filepath, transp_background = mat[1]
m["i"] = imageManager.imageIndex(filepath)
else:
m["c"] = mat[1]
if transp_background:
m["t"] = 1
if mat[0] == self.WIREFRAME:
m["w"] = 1
if mat[0] == self.MESH_LAMBERT_FLAT:
m["flat"] = 1
transparency = mat[2]
if transparency > 0:
opacity = 1.0 - float(transparency) / 100
m["o"] = opacity
# double sides
if mat[3]:
m["ds"] = 1
f.write(u"lyr.m[{0}] = {1};\n".format(
index, tools.pyobj2js(m, quoteHex=False)))
def writeLayer(self, obj, fieldNames=None):
self.currentLayerIndex = self.layerCount
type2classprefix = {
"dem": "DEM",
"point": "Point",
"line": "Line",
"polygon": "Polygon"
}
self.write(u"\n// Layer {0}\n".format(self.currentLayerIndex))
self.write(u"lyr = project.addLayer(new Q3D.{0}Layer({1}));\n".format(
type2classprefix[obj["type"]], pyobj2js(obj)))
# del obj["type"]
if fieldNames is not None:
self.write(u"lyr.a = {0};\n".format(pyobj2js(fieldNames)))
self.layerCount += 1
self.currentFeatureIndex = -1
self.attrs = []
return self.currentLayerIndex
def writeProject(self):
# write project information
self.write(u"// PhyloGeoRec Project\n")
settings = self.settings
extent = self.settings.baseExtent
rect = extent.unrotatedRect()
mapTo3d = self.settings.mapTo3d()
wgs84Center = self.settings.wgs84Center()
args = {
"title":
settings.title,
"crs":
unicode(settings.crs.authid()),
"proj":
settings.crs.toProj4(),
"baseExtent": [
rect.xMinimum(),
rect.yMinimum(),
rect.xMaximum(),
rect.yMaximum()
],
"rotation":
extent.rotation(),
"width":
mapTo3d.planeWidth,
"zExaggeration":
mapTo3d.verticalExaggeration,
"zShift":
mapTo3d.verticalShift,
"wgs84Center": {
"lat": wgs84Center.y(),
"lon": wgs84Center.x()
}
}
self.write(u"project = new Q3D.Project({0});\n".format(pyobj2js(args)))
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 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 writeAttributes(self):
for index, attrs in enumerate(self.attrs):
self.write(u"lyr.f[{0}].a = {1};\n".format(index,
pyobj2js(attrs, True)))
def writeFeature(self, f):
self.currentFeatureIndex += 1
self.write(u"lyr.f[{0}] = {1};\n".format(self.currentFeatureIndex,
pyobj2js(f)))