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Fixed annotations angle operator svg rendering bug

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Fixed bug where the angle was drawn in svg only for the first two edges of the curve.
Now it takes into account all edges - first angle = edge0 + edge1, second angle = edge1 + edge2 etc.
This commit is contained in:
Andrej730
2022-12-19 20:07:29 +05:00
parent cabc91dd5e
commit 2bd5f3bbb3
1 changed files with 24 additions and 21 deletions
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src/blenderbim/blenderbim/bim/module/drawing/svgwriter.py
+24 -21
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@@ -622,34 +622,37 @@ class SvgWriter:
)
def draw_angle_annotations(self, obj):
# calculate p3 which is the center of the arc
# to use draw_svg_3point_arc()
points = obj.data.splines[0].points
region = bpy.context.region
region_3d = bpy.context.area.spaces.active.region_3d
points_2d = [view3d_utils.location_3d_to_region_2d(region, region_3d, p.co.xyz) for p in points]
points_chunked = [points[i:i+3] for i in range(len(points)-2)]
edge0 = points_2d[0] - points_2d[1]
edge1 = points_2d[2] - points_2d[1]
angle_radius = min(edge0.length, edge1.length)
dir0 = edge0.normalized()
dir1 = edge1.normalized()
dir2 = ((dir0 + dir1) / 2).normalized()
for points_chunk in points_chunked:
points_2d = [view3d_utils.location_3d_to_region_2d(region, region_3d, p.co.xyz) for p in points_chunk]
p3 = points_2d[1] + dir2 * angle_radius
edge0 = points_2d[0] - points_2d[1]
edge1 = points_2d[2] - points_2d[1]
angle_radius = min(edge0.length, edge1.length)
dir0 = edge0.normalized()
dir1 = edge1.normalized()
dir2 = ((dir0 + dir1) / 2).normalized()
# make all edges the same radius
p0 = points_2d[1] + dir0 * angle_radius
p2 = points_2d[1] + dir1 * angle_radius
points = [view3d_utils.region_2d_to_origin_3d(region, region_3d, p) for p in [p0, p3, p2]]
# points = [p.co.xyz for p in bpy.context.object.data.splines[0].points[:3]]
# calculate p3 which is the center of the arc
# to use draw_svg_3point_arc()
p3 = points_2d[1] + dir2 * angle_radius
bm = bmesh.new()
bm.verts.index_update()
bm.edges.index_update()
new_verts = [bm.verts.new(p) for p in points]
new_edges = [bm.edges.new( (new_verts[e[0]], new_verts[e[1]]) ) for e in ((0, 1), (1, 2))]
self.draw_svg_3point_arc(obj, bm)
# make all edges the same radius
p0 = points_2d[1] + dir0 * angle_radius
p2 = points_2d[1] + dir1 * angle_radius
points_chunk = [view3d_utils.region_2d_to_origin_3d(region, region_3d, p) for p in [p0, p3, p2]]
# points = [p.co.xyz for p in bpy.context.object.data.splines[0].points[:3]]
bm = bmesh.new()
bm.verts.index_update()
bm.edges.index_update()
new_verts = [bm.verts.new(p) for p in points_chunk]
new_edges = [bm.edges.new( (new_verts[e[0]], new_verts[e[1]]) ) for e in ((0, 1), (1, 2))]
self.draw_svg_3point_arc(obj, bm)
def draw_angle_old_annotations(self, obj):
bm = bmesh.new()