fix #4665 - View layerset thicknesses in feet and inches format

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

@@ -121,7 +121,13 @@ class BoundingBox:
 # This function stolen from https://github.com/kevancress/MeasureIt_ARCH/blob/dcf607ce0896aa2284463c6b4ae9cd023fc54cbe/measureit_arch_baseclass.py
 # MeasureIt-ARCH is GPL-v3
 def format_distance(
-    value, isArea=False, hide_units=True, precision=None, decimal_places=None, suppress_zero_inches=False
+    value,
+    isArea=False,
+    hide_units=True,
+    precision=None,
+    decimal_places=None,
+    suppress_zero_inches=False,
+    in_unit_length = False
 ):
     s_code = "\u00b2"  # Superscript two THIS IS LEGACY (but being kept for when Area Measurements are re-implimented)
 
@@ -130,17 +136,22 @@ def format_distance(
     unit_system = bpy.context.scene.unit_settings.system
     unit_length = bpy.context.scene.unit_settings.length_unit
 
-    toInches = 39.3700787401574887
-    inPerFoot = 11.9999
-
-    if isArea:
-        toInches = 1550
-        inPerFoot = 143.999
-
     value *= scaleFactor
 
     # Imperial Formatting
     if unit_system == "IMPERIAL":
+        if in_unit_length:
+            if unit_length == 'INCHES':
+                toInches = 1
+            if unit_length == 'FEET':
+                toInches = 11.9999
+        else:
+            toInches = 39.3700787401574887
+        inPerFoot = 11.9999
+
+        if isArea:
+            toInches = 1550
+            inPerFoot = 143.999
         if not precision:
             precision = 256
         elif precision == "1":
@@ -210,6 +221,12 @@ def format_distance(
 
     # METRIC FORMATTING
     elif unit_system == "METRIC":
+        if in_unit_length:
+            if unit_length == 'CENTIMETERS':
+                value = value/100
+            if unit_length == 'MILLIMETERS':
+                value = value/1000
+        
         if precision:
             value = precision * round(float(value) / precision)
 

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

@@ -371,6 +371,7 @@ class DocProperties(PropertyGroup):
     shadingstyle_default: StringProperty(default="Blender Default", name="Default Shading Style")
     drawing_font: StringProperty(default="OpenGost Type B TT.ttf", name="Drawing Font")
     magic_font_scale: bpy.props.FloatProperty(default=0.004118616, name="Font Scale Factor")
+    imperial_precision: StringProperty(default="1/32", name="Imperial Precision")
 
 
 class BIMCameraProperties(PropertyGroup):

src/blenderbim/blenderbim/bim/module/material/data.py

@@ -23,6 +23,7 @@ import ifcopenshell.util.element
 import ifcopenshell.util.doc
 import ifcopenshell.util.schema
 import blenderbim.tool as tool
+from blenderbim.bim.module.drawing.helper import format_distance
 
 
 def refresh():
@@ -251,7 +252,14 @@ class ObjectMaterialData:
                     else:
                         data["name"] = "No Profile"
                 if item.is_a("IfcMaterialLayer"):
-                    data["name"] += f" ({item.LayerThickness})"
+                    total_thickness = item.LayerThickness
+                    unit_system = bpy.context.scene.unit_settings.system
+                    if unit_system == "IMPERIAL":
+                        precision = bpy.context.scene.DocProperties.imperial_precision
+                    else:
+                        precision = None
+                    formatted_thickness = format_distance(total_thickness, precision=precision, suppress_zero_inches=True, in_unit_length = True)
+                    data["name"] = f"{formatted_thickness} - {data['name']}"
                 if item.is_a("IfcMaterial"):
                     data["material"] = item.Name or "Unnamed"
                 else:

src/blenderbim/blenderbim/bim/module/material/ui.py

@@ -18,11 +18,13 @@
 
 import blenderbim.bim.helper
 import blenderbim.tool as tool
+import bpy
 from bpy.types import Panel, UIList
 from blenderbim.bim.ifc import IfcStore
 from blenderbim.bim.helper import draw_attributes
 from blenderbim.bim.helper import prop_with_search
 from blenderbim.bim.module.material.data import MaterialsData, ObjectMaterialData
+from blenderbim.bim.module.drawing.helper import format_distance
 
 
 class BIM_PT_materials(Panel):
@@ -327,8 +329,16 @@ class BIM_PT_object_material(Panel):
                 row.label(text=set_item["material"], icon="MATERIAL")
 
         if ObjectMaterialData.data["total_thickness"]:
+            total_thickness = ObjectMaterialData.data["total_thickness"]
+            unit_system = bpy.context.scene.unit_settings.system
+
+            if unit_system == "IMPERIAL":
+                precision = bpy.context.scene.DocProperties.imperial_precision
+            else:
+                precision = None
+            formatted_thickness = format_distance(total_thickness, precision=precision, suppress_zero_inches=True, in_unit_length = True)
             row = self.layout.row(align=True)
-            row.label(text=f"Total Thickness: {ObjectMaterialData.data['total_thickness']:.3f}")
+            row.label(text=f"Total Thickness: {formatted_thickness}")
 
 
 class BIM_UL_materials(UIList):

src/blenderbim/blenderbim/bim/ui.py

@@ -349,6 +349,9 @@ class BIM_ADDON_preferences(bpy.types.AddonPreferences):
         row = self.layout.row()
         row.prop(context.scene.DocProperties, "drawing_font")
         row.prop(context.scene.DocProperties, "magic_font_scale")
+        row = self.layout.row()
+        row.prop(context.scene.DocProperties, "imperial_precision")
+        
 
 
 # Scene panel groups