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Fix #4107. Bug where shapely used incorrect raycast coordinates causing fills to not show.

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This has been around for 2 years, either it was never noticed or
something changed?
This commit is contained in:
Dion Moult
2025-04-17 19:38:31 +10:00
parent 1999216ea5
commit 52cada180b
1 changed files with 21 additions and 47 deletions
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src/bonsai/bonsai/bim/module/drawing/operator.py
+21 -47
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@@ -889,15 +889,6 @@ class CreateDrawing(bpy.types.Operator):
if self.camera.data.BIMCameraProperties.fill_mode == "SHAPELY":
# shapely variant
group = root.find("{http://www.w3.org/2000/svg}g")
nm = group.attrib["{http://www.ifcopenshell.org/ns}name"]
m4 = np.array(json.loads(group.attrib["{http://www.ifcopenshell.org/ns}plane"]))
m3 = np.array(json.loads(group.attrib["{http://www.ifcopenshell.org/ns}matrix3"]))
m44 = np.eye(4)
m44[0][0:2] = m3[0][0:2]
m44[1][0:2] = m3[1][0:2]
m44[0][3] = m3[0][2]
m44[1][3] = m3[1][2]
m44 = np.linalg.inv(m44)
elements_with_faces = set()
for element in drawing_elements.copy():
@@ -930,21 +921,18 @@ class CreateDrawing(bpy.types.Operator):
if polygon.area < 1:
continue
centroid = polygon.centroid
internal_point = centroid if polygon.contains(centroid) else polygon.representative_point()
if internal_point:
internal_point = [internal_point.x, internal_point.y]
a, b = self.drawing_to_model_co(m44, m4, internal_point, 0.0), self.drawing_to_model_co(
m44, m4, internal_point, -100.0
)
inside_elements = [e for e in tree.select(self.pythonize(a)) if not e.is_a("IfcAnnotation")]
centroid = centroid if polygon.contains(centroid) else polygon.representative_point()
if centroid:
centroid3d = self.drawing_to_model_co(centroid.x, centroid.y)
inside_elements = [
e for e in tree.select(self.pythonize(centroid3d)) if not e.is_a("IfcAnnotation")
]
if not inside_elements:
camera_dir = self.camera.matrix_world.col[2].to_3d() * -1
elements = [
e
for e in tree.select_ray(self.pythonize(a), self.pythonize(b - a))
for e in tree.select_ray(self.pythonize(centroid3d), self.pythonize(camera_dir))
if not e.instance.is_a("IfcAnnotation")
and tool.Cad.is_point_on_edge(
Vector(list(e.position)), (Vector(self.pythonize(a)), Vector(self.pythonize(b)))
)
]
if elements:
path = etree.Element("path")
@@ -961,12 +949,6 @@ class CreateDrawing(bpy.types.Operator):
)
path.attrib["d"] = d
classes = self.get_svg_classes(ifc.by_id(elements[0].instance.id()))
classes.append(f"intpoint-{internal_point}")
classes.append(f"ab-{a}, {b}")
for i, ray_result in enumerate(elements):
classes.append(f"el{i}-{ray_result.instance.id()}")
classes.append(f"el{i}-pos-{list(ray_result.position)}")
classes.append(f"el{i}-dst-{ray_result.distance}")
classes.append("surface")
path.set("class", " ".join(list(classes)))
group.insert(0, path)
@@ -1026,18 +1008,6 @@ class CreateDrawing(bpy.types.Operator):
g2 = list(yield_groups(svg2))[0]
# These are attributes on the original group that we can use to reconstruct
# a 4x4 matrix of the projection used in the SVG generation process
nm = g1.getAttribute("ifc:name")
m4 = np.array(json.loads(g1.getAttribute("ifc:plane")))
m3 = np.array(json.loads(g1.getAttribute("ifc:matrix3")))
m44 = np.eye(4)
m44[0][0:2] = m3[0][0:2]
m44[1][0:2] = m3[1][0:2]
m44[0][3] = m3[0][2]
m44[1][3] = m3[1][2]
m44 = np.linalg.inv(m44)
# Loop over the cell paths
for pi, p in enumerate(g2.getElementsByTagName("path")):
d = p.getAttribute("d")
@@ -1054,30 +1024,34 @@ class CreateDrawing(bpy.types.Operator):
xy = list(map(float, p.getAttribute("ifc:pointInside").split(",")))
a, b = self.drawing_to_model_co(m44, m4, xy, 0.0), self.drawing_to_model_co(m44, m4, xy, -100.0)
centroid3d = self.drawing_to_model_co(*xy)
inside_elements = [e for e in tree.select(self.pythonize(a)) if not e.is_a("IfcAnnotation")]
inside_elements = [
e for e in tree.select(self.pythonize(centroid3d)) if not e.is_a("IfcAnnotation")
]
if inside_elements:
elements = None
if iteration != num_passes:
semantics[pi] = (inside_elements[0], -1)
else:
camera_dir = self.camera.matrix_world.col[2].to_3d() * -1
elements = [
e
for e in tree.select_ray(self.pythonize(a), self.pythonize(b - a))
for e in tree.select_ray(self.pythonize(centroid3d), self.pythonize(camera_dir))
if not e.instance.is_a("IfcAnnotation")
]
if elements:
classes = self.get_svg_classes(ifc.by_id(elements[0].instance.id()))
classes.append("projection")
classes.append("surface")
if iteration != num_passes:
semantics[pi] = elements[0]
else:
classes = ["projection"]
p.setAttribute("style", "")
p.setAttribute("style", "foo")
p.setAttribute("class", " ".join(classes))
if iteration != num_passes:
@@ -1414,7 +1388,6 @@ class CreateDrawing(bpy.types.Operator):
if layer:
for query in join_criteria:
key = ifcopenshell.util.selector.get_element_value(layer, query)
print("got layer key", query, key)
if isinstance(key, (list, tuple)):
keys.extend(key)
else:
@@ -1469,10 +1442,11 @@ class CreateDrawing(bpy.types.Operator):
g.set("class", " ".join(list(classes)))
group.append(g)
def drawing_to_model_co(self, m44, m4, xy, z=0.0):
xyzw = m44 @ np.array(xy + [z, 1.0])
xyzw[1] *= -1.0
return (m4 @ xyzw)[0:3]
def drawing_to_model_co(self, x, y):
camera_xy = np.array((x, -y)) / self.scale / 1000
camera_props = self.camera.data.BIMCameraProperties
camera_xy += np.array((camera_props.width / -2, camera_props.height / 2)) # top left offset
return self.camera.matrix_world @ Vector(camera_xy).to_3d()
def pythonize(self, arr):
return tuple(map(float, arr))