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Fix #3947. Do slight 2mm offset to account for Z-fighting on 2D plan views and RCPs.

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This commit is contained in:
Dion Moult
2024-01-20 21:53:34 +11:00
parent d1f90db707
commit 02c9aee70b
1 changed files with 10 additions and 0 deletions
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src/blenderbim/blenderbim/bim/module/drawing/operator.py
+10
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@@ -494,6 +494,11 @@ class CreateDrawing(bpy.types.Operator):
geom_settings = ifcopenshell.geom.settings(
DISABLE_TRIANGULATION=True, STRICT_TOLERANCE=True, INCLUDE_CURVES=True
)
if ifc.by_id(body_context[0]).ContextType == "Plan" and "PLAN_VIEW" in target_view:
offset = ifcopenshell.ifcopenshell_wrapper.float_array_3()
# A 2mm Z offset to combat Z-fighting in plan or RCPs
offset[2] = 0.002 if target_view == "PLAN_VIEW" else -0.002
geom_settings.offset = offset
geom_settings.set_context_ids(body_context)
it = ifcopenshell.geom.iterator(
geom_settings, ifc, multiprocessing.cpu_count(), include=elements
@@ -513,6 +518,11 @@ class CreateDrawing(bpy.types.Operator):
geom_settings = ifcopenshell.geom.settings(
DISABLE_TRIANGULATION=True, STRICT_TOLERANCE=True, INCLUDE_CURVES=True
)
if ifc.by_id(annotation_context[0]).ContextType == "Plan" and "PLAN_VIEW" in target_view:
offset = ifcopenshell.ifcopenshell_wrapper.float_array_3()
# A 2mm Z offset to combat Z-fighting in plan or RCPs
offset[2] = 0.002 if target_view == "PLAN_VIEW" else -0.002
geom_settings.offset = offset
geom_settings.set_context_ids(annotation_context)
it = ifcopenshell.geom.iterator(
geom_settings, ifc, multiprocessing.cpu_count(), include=elements