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#1153. Section markers are now supported in SVG.

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This commit is contained in:
Dion Moult
2022-03-29 20:44:20 +11:00
parent 6cd4a2d78b
commit 8686462eed
3 changed files with 35 additions and 0 deletions
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src/blenderbim/blenderbim/bim/data/templates/symbols.svg
+7
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@@ -14,4 +14,11 @@
<circle r="5" fill="white" stroke="black" style="stroke-width: 0.25;" />
<line x1="-5" y1="0" x2="5" y2="0" style="stroke: black; stroke-width: 0.25;" />
</g>
<g id="section-arrow">
<path style="fill: black;" d="M -7.07106 0 0 -7.07106 7.07106 0" />
</g>
<g id="section-tag">
<circle r="5" fill="white" stroke="black" style="stroke-width: 0.25;" />
<line x1="-5" y1="0" x2="5" y2="0" style="stroke: black; stroke-width: 0.25;" />
</g>
</svg>
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src/blenderbim/blenderbim/bim/module/drawing/operator.py
+2
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@@ -459,6 +459,8 @@ class CreateDrawing(bpy.types.Operator):
svg_writer.annotations.setdefault("dimension_objs", []).append(obj)
elif element.ObjectType == "ELEVATION":
svg_writer.annotations.setdefault("elevation_objs", []).append(obj)
elif element.ObjectType == "SECTION":
svg_writer.annotations.setdefault("section_objs", []).append(obj)
elif element.ObjectType == "BREAKLINE":
svg_writer.annotations["break_obj"] = obj
elif element.ObjectType == "HIDDEN_LINE":
src/blenderbim/blenderbim/bim/module/drawing/svgwriter.py
+26
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@@ -290,6 +290,9 @@ class SvgWriter:
for obj in self.annotations.get("elevation_objs", []):
self.draw_elevation_annotation(obj)
for obj in self.annotations.get("section_objs", []):
self.draw_section_annotation(obj)
for text_obj in self.annotations.get("text_objs", []):
self.draw_text_annotation(text_obj, text_obj.location)
@@ -430,6 +433,29 @@ class SvgWriter:
position = Vector((0, 0, 0))
self.draw_text_annotation(obj, position)
def draw_section_annotation(self, obj):
x_offset = self.raw_width / 2
y_offset = self.raw_height / 2
self.draw_line_annotation((obj, obj.data), ["solid"])
v1 = self.project_point_onto_camera(obj.matrix_world @ Vector((0, 0, 0)))
v2 = self.project_point_onto_camera(obj.matrix_world @ Vector((0, 0, -1)))
angle = -math.degrees((v2 - v1).xy.angle_signed(Vector((0, 1))))
for vert in obj.data.vertices:
point = obj.matrix_world @ vert.co
symbol_position = self.project_point_onto_camera(point)
symbol_position = Vector(((x_offset + symbol_position.x), (y_offset - symbol_position.y)))
transform = "rotate({}, {}, {})".format(
angle,
(symbol_position * self.scale)[0],
(symbol_position * self.scale)[1],
)
self.svg.add(self.svg.use("#section-arrow", insert=tuple(symbol_position * self.scale), transform=transform))
self.svg.add(self.svg.use("#section-tag", insert=tuple(symbol_position * self.scale)))
def draw_elevation_annotation(self, obj):
x_offset = self.raw_width / 2
y_offset = self.raw_height / 2