Merge branch 'v0.6.0' of github.com:IfcOpenShell/IfcOpenShell into v0.6.0

src/ifcblenderexport/blenderbim/bim/decoration.py

@@ -403,6 +403,8 @@ class EqualityDecorator(DimensionDecorator):
             p0 = location_3d_to_region_2d(region, region3d, v0)
             p1 = location_3d_to_region_2d(region, region3d, v1)
             dir = p1 - p0
+            if dir.length < 1:
+                continue
             self.draw_label("EQ", p0 + (dir) * .5, dir)
 
 
@@ -617,6 +619,8 @@ class LevelDecorator(BaseDecorator):
         """
         for spline in obj.data.splines:
             spline_points = spline.bezier_points if spline.bezier_points else spline.points
+            if len(spline_points) < 2:
+                continue
             yield [obj.matrix_world @ p.co for p in spline_points]
 
     def decorate(self, obj):
@@ -691,6 +695,8 @@ class PlanDecorator(LevelDecorator):
             p0 = location_3d_to_region_2d(region, region3d, v0)
             p1 = location_3d_to_region_2d(region, region3d, v1)
             dir = p1 - p0
+            if dir.length < 1:
+                continue
             text = "RL " + self.format_value(verts[-1].z)
             self.draw_label(text, p0, dir, gap=8, center=False)
 
@@ -750,7 +756,7 @@ class SectionDecorator(LevelDecorator):
         if (t > 0.875 || (t > 0.25 && t < 0.375)) {
             discard;
         } else {
-            fragColor = vec4(1.0, 1.0, 1.0, 1.0);
+            fragColor = COLOR;
         }
     }
     """
@@ -764,5 +770,7 @@ class SectionDecorator(LevelDecorator):
             p0 = location_3d_to_region_2d(region, region3d, v0)
             p1 = location_3d_to_region_2d(region, region3d, v1)
             dir = p1 - p0
+            if dir.length < 1:
+                continue
             text = "RL " + self.format_value(verts[-1].z)
             self.draw_label(text, p0 + dir.normalized() * 16, -dir, gap=16, center=False)

src/ifcblenderexport/blenderbim/bim/operator.py

@@ -4678,9 +4678,18 @@ class CopyGrid(bpy.types.Operator):
         drawing = props.drawings[props.active_drawing_index]
         collection = bpy.data.collections.get("IfcGroup/" + drawing.name)
 
-        for coll in bpy.data.collections:
-            if coll.name.startswith('IfcGrid'):
-                for obj in coll.all_objects:
-                    if obj.type == 'MESH':
-                        collection.objects.link(obj.copy())
+        existing = [obj for obj in collection.objects if obj.name.startswith('IfcGridAxis')]
+        for obj in existing:
+            collection.objects.unlink(obj)
+
+        source = [obj
+                    for coll in bpy.data.collections
+                    if coll.name.startswith('IfcGrid')
+                    for obj in coll.all_objects
+                    if obj.type == 'MESH']
+        for obj in source:
+            dstobj = obj.copy()
+            dstobj.data = dstobj.data.copy()
+            collection.objects.link(dstobj)
+
         return {"FINISHED"}