do not merge obstacles. this seems to get to complicated for libgeos

This commit is contained in:
Laura Klünder 2017-12-21 19:38:31 +01:00
parent 7a02f58175
commit 7c726ef845
4 changed files with 29 additions and 19 deletions

View file

@ -42,8 +42,11 @@ class AltitudeAreaGeometries:
faces_offset, vertices_offset)
for key in tuple(self.obstacles.keys()):
faces_offset, vertices_offset = self._call_create_full(self.obstacles, key, faces, vertices,
faces_offset, vertices_offset)
height_obstacles = list(self.obstacles[key])
for i in range(len(height_obstacles)):
faces_offset, vertices_offset = self._call_create_full(height_obstacles, i, faces, vertices,
faces_offset, vertices_offset)
self.obstacles[key] = tuple(height_obstacles)
if not vertices:
return np.empty((0, 2), dtype=np.int32), np.empty((0, 3), dtype=np.uint32)
@ -90,8 +93,9 @@ class AltitudeAreaGeometries:
lower=altitudes,
upper=altitudes + int(0.001 * 1000),
crops=crops)
for height, geometry in self.obstacles.items():
geometry.build_polyhedron(create_polyhedron,
lower=altitudes,
upper=altitudes + height,
crops=crops)
for height, height_geometries in self.obstacles.items():
for geometry in height_geometries:
geometry.build_polyhedron(create_polyhedron,
lower=altitudes,
upper=altitudes + height,
crops=crops)

View file

@ -148,9 +148,6 @@ class LevelGeometries:
for access_restriction, areas in tuple(color_group.items()):
color_group[access_restriction] = unary_union(areas)
# merge obstacles
obstacles = {key: unary_union(polygons) for key, polygons in obstacles.items()}
# add altitudegroup geometries and split ground colors into them
for altitudearea in level.altitudeareas.all():
altitudearea_prep = prepared.prep(altitudearea.geometry)
@ -160,9 +157,13 @@ class LevelGeometries:
for color, areas in colors.items()}
altitudearea_colors = {color: areas for color, areas in altitudearea_colors.items() if areas}
altitudearea_obstacles = {height: area.intersection(altitudearea.geometry)
for height, area in obstacles.items()
if altitudearea_prep.intersects(area)}
altitudearea_obstacles = {height: tuple(obstacle.intersection(altitudearea.geometry)
for obstacle in height_obstacles
if altitudearea_prep.intersects(obstacle))
for height, height_obstacles in obstacles.items()}
altitudearea_obstacles = {height: height_obstacles
for height, height_obstacles in obstacles.items()
if height_obstacles}
geoms.altitudeareas.append(AltitudeAreaGeometries(altitudearea,
altitudearea_colors,
altitudearea_obstacles))

View file

@ -189,9 +189,13 @@ class LevelRenderData:
new_colors[color] = new_areas
new_altitudearea.colors = new_colors
new_altitudearea.obstacles = {key: new_geometry.intersection(areas)
for key, areas in altitudearea.obstacles.items()
if new_geometry_prep.intersects(areas)}
new_altitudearea.obstacles = {key: tuple(new_geometry.intersection(obstacle)
for obstacle in height_obstacles
if new_geometry_prep.intersects(obstacle))
for key, height_obstacles in altitudearea.obstacles.items()}
new_altitudearea.obstacles = {height: height_obstacles
for height, height_obstacles in new_altitudearea.obstacles.items()
if height_obstacles}
new_geoms.altitudeareas.append(new_altitudearea)

View file

@ -105,9 +105,10 @@ class MapRenderer:
# add obstacles after everything related to ground for the nice right order
for i, altitudearea in enumerate(geoms.altitudeareas):
for height, obstacle in altitudearea.obstacles.items():
engine.add_geometry(obstacle, fill=FillAttribs('#B7B7B7'),
stroke=StrokeAttribs('#888888', 0.05, min_px=0.2), category='obstacles')
for height, height_obstacles in altitudearea.obstacles.items():
for obstacle in height_obstacles:
engine.add_geometry(obstacle, fill=FillAttribs('#B7B7B7'),
stroke=StrokeAttribs('#888888', 0.05, min_px=0.2), category='obstacles')
# add walls, stroke_px makes sure that all walls are at least 1px thick on all zoom levels,
walls = None