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Support transparency in non-nodal materials

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Dion Moult
2020-08-09 17:13:01 +10:00
parent 57d44c9066
commit f58847502e
1 changed files with 7 additions and 2 deletions
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src/ifcblenderexport/blenderbim/bim/export_ifc.py
+7 -2
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@@ -1938,12 +1938,17 @@ class IfcExporter():
def create_surface_style_rendering(self, styled_item): def create_surface_style_rendering(self, styled_item):
surface_colour = self.create_colour_rgb(styled_item['raw'].diffuse_color) surface_colour = self.create_colour_rgb(styled_item['raw'].diffuse_color)
rendering_attributes = {'SurfaceColour': surface_colour, 'ReflectanceMethod': 'NOTDEFINED'} rendering_attributes = {
'SurfaceColour': surface_colour,
'Transparency': (styled_item['raw'].diffuse_color[3] - 1) * -1,
'ReflectanceMethod': 'NOTDEFINED'
}
rendering_attributes.update(self.get_rendering_attributes(styled_item['raw'])) rendering_attributes.update(self.get_rendering_attributes(styled_item['raw']))
return self.file.create_entity('IfcSurfaceStyleRendering', **rendering_attributes) return self.file.create_entity('IfcSurfaceStyleRendering', **rendering_attributes)
def get_rendering_attributes(self, material): def get_rendering_attributes(self, material):
if not hasattr(material.node_tree, 'nodes') \ if not material.use_nodes \
or not hasattr(material.node_tree, 'nodes') \
or 'Principled BSDF' not in material.node_tree.nodes: or 'Principled BSDF' not in material.node_tree.nodes:
return {} return {}
bsdf = material.node_tree.nodes['Principled BSDF'] bsdf = material.node_tree.nodes['Principled BSDF']