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add map image composing

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This commit is contained in:
Laura Klünder 2016-12-17 16:47:13 +01:00
parent 4f847f4e49
commit ad58ddbbcb
4 changed files with 33 additions and 18 deletions
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19
src/c3nav/mapdata/render/renderer.py
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@ -1,25 +1,11 @@
import os
import subprocess
import xml.etree.ElementTree as ET
from django.conf import settings
from django.db.models import Max, Min
from shapely.affinity import scale
from shapely.geometry import JOIN_STYLE, box
from c3nav.mapdata.models import Package
def get_render_path(filename):
return os.path.join(settings.RENDER_ROOT, filename)
def get_dimensions():
aggregate = Package.objects.all().aggregate(Max('right'), Min('left'), Max('top'), Min('bottom'))
return (
float(aggregate['right__max'] - aggregate['left__min']),
float(aggregate['top__max'] - aggregate['bottom__min']),
)
from c3nav.mapdata.render.utils import get_dimensions, get_render_path
class LevelRenderer():
@ -33,8 +19,7 @@ class LevelRenderer():
return level.public_geometries if self.only_public else level.geometries
def get_filename(self, mode, filetype, level=None):
return get_render_path('%s%s-level-%s.%s' % (('public-' if self.only_public else ''), mode,
(self.level.name if level is None else level), filetype))
return get_render_path(filetype, self.level.name if level is None else level, mode, self.only_public)
@staticmethod
def get_dimensions():