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start of new blender render engine

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Laura Klünder 2018-12-03 23:39:28 +01:00
parent d90c9b8a10
commit 6ed1d2a085
5 changed files with 120 additions and 13 deletions
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20
src/c3nav/mapdata/render/renderer.py
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@ -1,5 +1,3 @@
from itertools import chain
from django.utils.functional import cached_property
from shapely import prepared
from shapely.geometry import box
@ -8,6 +6,7 @@ from c3nav.mapdata.models import Level
from c3nav.mapdata.render.engines.base import FillAttribs, StrokeAttribs
from c3nav.mapdata.render.geometry import hybrid_union
from c3nav.mapdata.render.renderdata import LevelRenderData
from c3nav.mapdata.render.utils import get_full_levels, get_min_altitude
class MapRenderer:
@ -39,21 +38,16 @@ class MapRenderer:
engine = engine_cls(self.width, self.height, self.minx, self.miny, float(level_render_data.base_altitude),
scale=self.scale, buffer=1, background='#DCDCDC', center=center)
if hasattr(engine, 'custom_render'):
engine.custom_render(level_render_data, bbox, access_permissions)
return engine
if self.full_levels:
levels = tuple(chain(*(
tuple(sublevel for sublevel in LevelRenderData.get(level.pk).levels
if sublevel.pk == level.pk or sublevel.on_top_of_id == level.pk)
for level in level_render_data.levels if level.on_top_of_id is None
)))
levels = get_full_levels(level_render_data)
else:
levels = level_render_data.levels
min_altitude = min(chain(*(tuple(area.altitude for area in geoms.altitudeareas)
for geoms in levels)),
default=None)
if min_altitude is None:
min_altitude = min(tuple(geoms.base_altitude for geoms in levels),
default=level_render_data.base_altitude)
min_altitude = get_min_altitude(levels, default=level_render_data.base_altitude)
not_full_levels = engine.is_3d # always do non-full-levels until after the first primary level
full_levels = self.full_levels and engine.is_3d