OSM 3D Roof

Use this component to create 3d roofs geometry.
They can be created in two ways:
1) If there is a valid value (not equal to "") for the "roof:shape=hipped" and "roof:angle" key, then the 3d roof will be created according to this angle.
2) If this value is lacking (equal to ""), then pitched, hipped roof can be created with random angle. Or parapet wall for flat roof, with random height. This requires a domain to be added to the "randomRange_" input.
If neither of these two ways are fulfilled, then no creation of 3d roof will be performed.
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Component is experimental! In some cases the pitched roof may fail to be created, or it may create an invalid roof geometry!
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Provided by Gismo 0.0.3