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improve shadow rendering

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Laura Klünder 2017-05-13 19:19:28 +02:00
parent 860d80a88b
commit 1f897ccec9
2 changed files with 24 additions and 50 deletions
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8
src/c3nav/mapdata/models/section.py
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@ -73,8 +73,9 @@ class Section(SpecificLocation, EditorFormMixin, models.Model):
# draw space background
door_geometries = cascaded_union(tuple(d.geometry for d in self.doors.all()))
section_geometry = cascaded_union((space_geometries[''], building_geometries, door_geometries))
section_svg = svg.add_geometry(section_geometry, defid='section')
svg.use_geometry(section_svg, fill_color='#d1d1d1', mask=hole_mask)
section_geometry = section_geometry.difference(hole_geometries)
section_clip = svg.add_geometry(section_geometry, defid='section', as_clip_path=True)
svg.use_geometry(fill_color='#d1d1d1', clip_path=section_clip)
# color in spaces
spaces_by_color = {}
@ -89,12 +90,11 @@ class Section(SpecificLocation, EditorFormMixin, models.Model):
# calculate walls
wall_geometry = building_geometries.difference(space_geometries['']).difference(door_geometries)
wall_svg = svg.add_geometry(wall_geometry, 'walls')
accessible_mask = svg.add_mask(section_svg, wall_svg, hole_svg, subtract=True, defid='accessible')
# draw wall shadow
wall_dilated_geometry = wall_geometry.buffer(0.7, join_style=JOIN_STYLE.mitre)
wall_dilated_svg = svg.add_geometry(wall_dilated_geometry, 'wall-shadows')
svg.use_geometry(wall_dilated_svg, fill_color='rgba(0, 0, 0, 0.1)', mask=accessible_mask, filter='wallblur')
svg.use_geometry(wall_dilated_svg, fill_color='#000000', opacity=0.1, filter='wallblur', clip_path=section_clip)
# draw walls
svg.use_geometry(wall_svg, fill_color='#929292')