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assign area to many GeometryMapItems

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This commit is contained in:
Laura Klünder 2017-05-04 15:44:32 +02:00
parent d1b827ef8b
commit a6913d84aa
2 changed files with 93 additions and 7 deletions
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34
src/c3nav/mapdata/models/geometry.py
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@ -68,6 +68,23 @@ class GeometryMapItemWithLevel(GeometryMapItem):
return result
class GeometryMapItemWithArea(GeometryMapItem):
"""
A map feature
"""
level = models.ForeignKey('mapdata.Level', on_delete=models.CASCADE, verbose_name=_('level'))
area = models.ForeignKey('mapdata.Area', on_delete=models.CASCADE, verbose_name=_('area'))
class Meta:
abstract = True
def get_geojson_properties(self):
result = super().get_geojson_properties()
result['level'] = self.level.name
result['area'] = self.area.name
return result
class Building(GeometryMapItemWithLevel):
"""
The outline of a building on a specific level
@ -113,7 +130,7 @@ class Area(GeometryMapItemWithLevel):
return result
class StuffedArea(GeometryMapItemWithLevel):
class StuffedArea(GeometryMapItemWithArea):
"""
A slow area with many tables or similar. Avoid it from routing by slowing it a bit down
"""
@ -125,7 +142,7 @@ class StuffedArea(GeometryMapItemWithLevel):
default_related_name = 'stuffedareas'
class Escalator(GeometryMapItemWithLevel):
class Escalator(GeometryMapItemWithArea):
"""
An escalator area
"""
@ -148,7 +165,7 @@ class Escalator(GeometryMapItemWithLevel):
return result
class Stair(GeometryMapItemWithLevel):
class Stair(GeometryMapItemWithArea):
"""
A stair
"""
@ -182,7 +199,7 @@ class Stair(GeometryMapItemWithLevel):
))
class Obstacle(GeometryMapItemWithLevel):
class Obstacle(GeometryMapItemWithArea):
"""
An obstacle
"""
@ -203,7 +220,7 @@ class Obstacle(GeometryMapItemWithLevel):
return result
class LineObstacle(GeometryMapItemWithLevel):
class LineObstacle(GeometryMapItemWithArea):
"""
An obstacle that is a line with a specific width
"""
@ -216,11 +233,14 @@ class LineObstacle(GeometryMapItemWithLevel):
verbose_name_plural = _('Line Obstacles')
default_related_name = 'lineobstacles'
@property
def buffered_geometry(self):
return self.geometry.buffer(self.width / 2, join_style=JOIN_STYLE.mitre, cap_style=CAP_STYLE.flat)
def to_geojson(self):
result = super().to_geojson()
original_geometry = result['geometry']
draw = self.geometry.buffer(self.width/2, join_style=JOIN_STYLE.mitre, cap_style=CAP_STYLE.flat)
result['geometry'] = format_geojson(mapping(draw))
result['geometry'] = format_geojson(mapping(self.buffered_geometry))
result['original_geometry'] = original_geometry
return result