Fix #3453. Hidden annotation type removed, and demo library now comes with linetypes for dashed, fine, thin, medium, thick, and strong.

src/blenderbim/blenderbim/bim/data/assets/default.css

@@ -27,6 +27,12 @@ text, tspan { /* 2.5mm */ fill: black; stroke: none; font-family: 'OpenGost Type
 .IfcAnnotation { fill: none; stroke: black; stroke-linecap: 'round'; stroke-width: 0.25; }
 .IfcGeographicElement { fill: none; stroke: black; stroke-linecap: 'round'; stroke-width: 1; }
 .PredefinedType-LINEWORK { stroke: black; stroke-width: 0.25; }
+.PredefinedType-LINEWORK.dashed { stroke-dasharray: 3, 2; }
+.PredefinedType-LINEWORK.fine { stroke-width: 0.18; stroke: #777777; }
+.PredefinedType-LINEWORK.thin { stroke-width: 0.25; }
+.PredefinedType-LINEWORK.medium { stroke-width: 0.35; }
+.PredefinedType-LINEWORK.thick { stroke-width: 0.5; }
+.PredefinedType-LINEWORK.strong { stroke-width: 1; }
 .PredefinedType-BACKGROUND { stroke: black; stroke-width: 0.18; }
 .PredefinedType-GRID { marker-start: url(#grid-marker); marker-end: url(#grid-marker); }
 .PredefinedType-SECTION { stroke-dasharray: 12.5, 3, 3, 3; }
@@ -40,7 +46,6 @@ text, tspan { /* 2.5mm */ fill: black; stroke: none; font-family: 'OpenGost Type
 .PredefinedType-SLOPEPERCENT { marker-end: url(#radius-marker-end); }
 .PredefinedType-SLOPEFRACTION { marker-end: url(#radius-marker-end); }
 .PredefinedType-DIAMETER { marker-start: url(#diameter-marker-start); marker-end: url(#diameter-marker-end); }
-.PredefinedType-HIDDENLINE { stroke-dasharray: 3, 2; }
 .PredefinedType-STAIRARROW { marker-start: url(#stair-marker-start); marker-end: url(#stair-marker-end); }
 .PredefinedType-BOUNDARY { fill: none; stroke: red; stroke-width: 1; stroke-dasharray: 12, 4, 3, 4, 3, 4; }
 .PredefinedType-SEALANT { fill: url(#crosshatch1); stroke-width: 0.25; }

src/blenderbim/blenderbim/bim/module/drawing/decoration.py

@@ -1962,7 +1962,12 @@ class DecorationsHandler:
                 results.append((obj, dec))
 
             elif isinstance(obj.data, bpy.types.Mesh):
-                results.append((obj, self.decorators["MISC"]))
+                if object_type == "LINEWORK" and "dashed" in str(
+                    ifcopenshell.util.element.get_pset(element, "EPset_Annotation", "Classes")
+                ).split(" "):
+                    results.append((obj, self.decorators["HIDDEN_LINE"]))
+                else:
+                    results.append((obj, self.decorators["MISC"]))
 
         return results
 

src/blenderbim/blenderbim/bim/module/drawing/prop.py

@@ -499,7 +499,6 @@ ANNOTATION_TYPES_DATA = {
     "TEXT":          ("Text",             "", "SMALL_CAPS", "empty"),
     "TEXT_LEADER":   ("Leader",           "", "TRACKING_BACKWARDS", "curve"),
     "STAIR_ARROW":   ("Stair Arrow",      "Add stair arrow annotation.\nIf you have IfcStairFlight object selected, it will be used as a reference for the annotation", "SCREEN_BACK", "curve"),
-    "HIDDEN_LINE":   ("Hidden",           "", "CON_TRACKTO", "mesh"),
     "PLAN_LEVEL":    ("Level (Plan)",     "", "SORTBYEXT", "curve"),
     "SECTION_LEVEL": ("Level (Section)",  "", "TRIA_DOWN", "curve"),
     "BREAKLINE":     ("Breakline",        "", "FCURVE", "mesh"),

src/blenderbim/blenderbim/bim/module/drawing/svgwriter.py

@@ -203,8 +203,6 @@ class SvgWriter:
                 self.draw_section_annotation(obj)
             elif element.ObjectType == "BREAKLINE":
                 self.draw_break_annotations(obj)
-            elif element.ObjectType == "HIDDEN_LINE":
-                self.draw_line_annotation(obj)
             elif element.ObjectType == "PLAN_LEVEL":
                 self.draw_plan_level_annotation(obj)
             elif element.ObjectType == "SECTION_LEVEL":

src/blenderbim/blenderbim/tool/drawing.py

@@ -206,6 +206,7 @@ class Drawing(blenderbim.core.tool.Drawing):
     def create_camera(cls, name, matrix):
         camera = bpy.data.objects.new(name, bpy.data.cameras.new(name))
         camera.location = (0, 0, 1.5)  # The view shall be 1.5m above the origin
+        camera.data.show_limits = True
         camera.data.type = "ORTHO"
         camera.data.ortho_scale = 50  # The default of 6m is too small
         camera.data.clip_start = 0.002  # 2mm is close to zero but allows any GPU-drawn lines to be visible.

src/blenderbim/scripts/generate_demo_library.py

@@ -146,6 +146,12 @@ class LibraryGenerator:
         self.create_type("IfcDoorType", "DT01", {"model_body": "Door", "plan_body": "Door-Plan"})
         self.create_type("IfcFurnitureType", "BUN01", {"model_body": "Bunny", "plan_body": "Bunny-Plan"})
 
+        self.create_line_type("DASHED", "dashed")
+        self.create_line_type("FINE", "fine")
+        self.create_line_type("THIN", "thin")
+        self.create_line_type("MEDIUM", "medium")
+        self.create_line_type("THICK", "thick")
+        self.create_line_type("STRONG", "strong")
         self.create_text_type("DOOR-TAG", "door-tag", ["{{type.Name}}", "{{Name}}"])
         self.create_text_type("WINDOW-TAG", "window-tag", ["{{Name}}"])
         self.create_text_type("SPACE-TAG", "space-tag", ["{{Name}}", "{{Description}}", "``round({{Qto_SpaceBaseQuantities.NetFloorArea}} or 0., 2)``"])
@@ -155,6 +161,12 @@ class LibraryGenerator:
 
         self.file.write("IFC4 Demo Library.ifc")
 
+    def create_line_type(self, name, classes):
+        element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcTypeProduct", name=name)
+        element.ApplicableOccurrence = "IfcAnnotation/LINEWORK"
+        pset = ifcopenshell.api.run("pset.add_pset", self.file, product=element, name="EPset_Annotation")
+        ifcopenshell.api.run("pset.edit_pset", self.file, pset=pset, properties={"Classes": classes})
+
     def create_text_type(self, name, symbol, literals):
         element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcTypeProduct", name=name)
         element.ApplicableOccurrence = "IfcAnnotation/TEXT"