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colorize spaces

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Laura Klünder 2017-05-13 16:39:01 +02:00
parent 16556c104a
commit 6512ef7905
4 changed files with 49 additions and 18 deletions
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46
src/c3nav/mapdata/models/section.py
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@ -1,6 +1,5 @@
from django.conf import settings
from django.db import models
from django.utils.functional import cached_property
from django.utils.translation import ugettext_lazy as _
from shapely.geometry import JOIN_STYLE
from shapely.ops import cascaded_union
@ -27,14 +26,6 @@ class Section(SpecificLocation, EditorFormMixin, models.Model):
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
@cached_property
def public_geometries(self):
return SectionGeometries.by_section(self, only_public=True)
@cached_property
def geometries(self):
return SectionGeometries.by_section(self, only_public=False)
def lower(self):
return Section.objects.filter(altitude__lt=self.altitude).order_by('altitude')
@ -71,32 +62,57 @@ class Section(SpecificLocation, EditorFormMixin, models.Model):
hole_svg = svg.add_geometry(hole_geometries, defid='holes')
hole_mask = svg.add_mask(hole_svg, inverted=True, defid='holes-mask')
space_lower_svg = svg.add_geometry(space_geometries['lower'], defid='spaces-lower')
svg.use_geometry(space_lower_svg, fill_color='#d1d1d1')
lower_spaces_by_color = {}
for space in space_levels['lower']:
lower_spaces_by_color.setdefault(space.get_color(), []).append(space)
for i, (color, color_spaces) in enumerate(lower_spaces_by_color.items()):
geometries = cascaded_union(tuple(space.geometry for space in color_spaces))
space_lower_svg = svg.add_geometry(geometries, defid='spaces-lower-'+str(i))
svg.use_geometry(space_lower_svg, fill_color=color or '#d1d1d1')
# 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)
# color in spaces
spaces_by_color = {}
for space in space_levels['']:
spaces_by_color.setdefault(space.get_color(), []).append(space)
spaces_by_color.pop(None, None)
for i, (color, color_spaces) in enumerate(spaces_by_color.items()):
geometries = cascaded_union(tuple(space.geometry for space in color_spaces))
space_svg = svg.add_geometry(geometries, defid='spaces-color-' + str(i))
svg.use_geometry(space_svg, fill_color=color or '#d1d1d1')
# calculate walls
wall_geometry = building_geometries.difference(space_geometries['']).difference(door_geometries)
wall_svg = svg.add_geometry(wall_geometry, 'walls')
svg.use_geometry(wall_svg, fill_color='#929292')
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')
# draw walls
svg.use_geometry(wall_svg, fill_color='#929292')
svg.use_geometry(wall_svg, stroke_color='#333333', stroke_width=0.07)
# draw doors
door_geometries = cascaded_union(tuple(d.geometry for d in self.doors.all()))
door_geometries = door_geometries.difference(space_geometries[''])
door_svg = svg.add_geometry(door_geometries, defid='doors')
svg.use_geometry(door_svg, fill_color='#ffffff', stroke_color='#929292', stroke_width=0.07)
space_upper_svg = svg.add_geometry(space_geometries['upper'], defid='spaces-upper')
svg.use_geometry(space_upper_svg, fill_color='#d1d1d1')
# draw upper spaces
upper_spaces_by_color = {}
for space in space_levels['upper']:
upper_spaces_by_color.setdefault(space.get_color(), []).append(space)
for i, (color, color_spaces) in enumerate(upper_spaces_by_color.items()):
geometries = cascaded_union(tuple(space.geometry for space in color_spaces))
space_upper_svg = svg.add_geometry(geometries, defid='spaces-upper-' + str(i))
svg.use_geometry(space_upper_svg, fill_color=color or '#d1d1d1')
return svg.get_xml()