Option to add prefix and suffix to dimension annotation #3005

Example - https://imgur.com/a/0NkStWm

src/blenderbim/blenderbim/bim/data/pset/Psets_BBIM_Annotation.ifc

@@ -27,8 +27,10 @@ DATA;
 #20=IFCSIMPLEPROPERTYTEMPLATE('23tejOrxj859R_eCRp1AFP',$,'MarkersPath','Default markers SVG',.P_SINGLEVALUE.,'IfcLabel',$,$,$,$,$,.READWRITE.);
 #21=IFCSIMPLEPROPERTYTEMPLATE('1UDakJ5_f7kBhggNSW4$h5',$,'SymbolsPath','Default symbols SVG',.P_SINGLEVALUE.,'IfcLabel',$,$,$,$,$,.READWRITE.);
 #22=IFCSIMPLEPROPERTYTEMPLATE('0d53LEtgLDQxnv__NfgH7i',$,'PatternsPath','Default patterns SVG',.P_SINGLEVALUE.,'IfcLabel',$,$,$,$,$,.READWRITE.);
-#23=IFCPROPERTYSETTEMPLATE('0I9merLinF5Ap$aZwaclgm',$,'BBIM_Dimension','',.PSET_OCCURRENCEDRIVEN.,'IfcAnnotation,IfcTypeProduct',(#24,#25));
+#23=IFCPROPERTYSETTEMPLATE('0I9merLinF5Ap$aZwaclgm',$,'BBIM_Dimension','',.PSET_OCCURRENCEDRIVEN.,'IfcAnnotation,IfcTypeProduct',(#24,#25,#26,#27));
 #24=IFCSIMPLEPROPERTYTEMPLATE('1rL2AbQsXD8RbpoWH5pYOV',$,'ShowDescriptionOnly','Hide the measurement values and show only annotation description',.P_SINGLEVALUE.,'IfcBoolean',$,$,$,$,$,.READWRITE.);
 #25=IFCSIMPLEPROPERTYTEMPLATE('0SVyOfB0rC2xNfdRYf3XvY',$,'SuppressZeroInches','Suppress 0 inch values in dimension annotation text (for example: 12'' - 0" -> 12'')',.P_SINGLEVALUE.,'IfcBoolean',$,$,$,$,$,.READWRITE.);
+#26=IFCSIMPLEPROPERTYTEMPLATE('2bUmj458PBqPAtUoI3MXsb',$,'TextPrefix','Text to add before annotation measurement value',.P_SINGLEVALUE.,'IfcLabel',$,$,$,$,$,.READWRITE.);
+#27=IFCSIMPLEPROPERTYTEMPLATE('0bnzttUb9BPuN597uNTXOE',$,'TextSuffix','Text to add after annotation measurement value',.P_SINGLEVALUE.,'IfcLabel',$,$,$,$,$,.READWRITE.);
 ENDSEC;
 END-ISO-10303-21;

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

@@ -286,11 +286,15 @@ class DecoratorData:
         pset_data = ifcopenshell.util.element.get_pset(element, "BBIM_Dimension") or {}
         show_description_only = pset_data.get("ShowDescriptionOnly", False)
         suppress_zero_inches = pset_data.get("SuppressZeroInches", False)
+        text_prefix = pset_data.get("TextPrefix", "")
+        text_suffix = pset_data.get("TextSuffix", "")
 
         dimension_data = {
             "dimension_style": dimension_style,
             "show_description_only": show_description_only,
             "suppress_zero_inches": suppress_zero_inches,
+            "text_prefix": text_prefix,
+            "text_suffix": text_suffix,
         }
         cls.data[obj.name] = dimension_data
         return dimension_data

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

@@ -622,6 +622,8 @@ class DimensionDecorator(BaseDecorator):
         description = element.Description
         dimension_data = DecoratorData.get_dimension_data(obj)
         show_description_only = dimension_data["show_description_only"]
+        text_prefix = dimension_data["text_prefix"]
+        text_suffix = dimension_data["text_suffix"]
 
         for i0, i1 in indices:
             v0 = Vector(vertices[i0])
@@ -637,6 +639,7 @@ class DimensionDecorator(BaseDecorator):
                 # TODO: same distance format function as in svg?
                 # requires storing drawing precision and decimal_places from pset to data.py
                 text = self.format_value(context, length)
+                text = text_prefix + text + text_suffix
 
                 self.draw_label(context, text, p0 + text_dir * 0.5, text_dir, box_alignment="bottom-middle")
                 if description:

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

@@ -1079,6 +1079,8 @@ class SvgWriter:
                     text_format=lambda x: "D" + x,
                     show_description_only=dimension_data["show_description_only"],
                     suppress_zero_inches=dimension_data["suppress_zero_inches"],
+                    text_prefix=dimension_data["text_prefix"],
+                    text_suffix=dimension_data["text_suffix"],
                 )
 
     def draw_dimension_annotations(self, obj):
@@ -1100,6 +1102,8 @@ class SvgWriter:
                     dimension_text=dimension_text,
                     show_description_only=dimension_data["show_description_only"],
                     suppress_zero_inches=dimension_data["suppress_zero_inches"],
+                    text_prefix=dimension_data["text_prefix"],
+                    text_suffix=dimension_data["text_suffix"],
                 )
 
     def draw_measureit_arch_dimension_annotations(self):
@@ -1123,6 +1127,8 @@ class SvgWriter:
         text_format=lambda x: x,
         show_description_only=False,
         suppress_zero_inches=False,
+        text_prefix="",
+        text_suffix="",
     ):
         offset = Vector([self.raw_width, self.raw_height]) / 2
         v0 = self.project_point_onto_camera(v0_global)
@@ -1158,7 +1164,8 @@ class SvgWriter:
             )
 
         if not show_description_only:
-            self.svg.add(create_text_tag(str(dimension), text_position + perpendicular, "bottom-middle"))
+            text = f"{text_prefix}{str(dimension)}{text_suffix}"
+            self.svg.add(create_text_tag(text, text_position + perpendicular, "bottom-middle"))
             if dimension_text:
                 self.svg.add(create_text_tag(dimension_text, text_position - perpendicular, "top-middle"))