def tileMap(request, version, map_id, zoom, x, y):
try:
if version != "1.0":
raise Http404
try:
basqui_map = BasquiMap.objects.get(id=map_id)
layersMapOptions = LayerMapOptions.objects.filter(
basqui_map=basqui_map, visible=True).order_by('-position')
except Shapefile.DoesNotExist or Feature.DoesNotExist:
raise Http404
zoom = int(zoom)
x = int(x)
y = int(y)
if zoom < 0 or zoom > MAX_ZOOM_LEVEL:
raise Http404
xExtent = _unitsPerPixel(zoom)
yExtent = _unitsPerPixel(zoom)
minLong = x * xExtent - 20037508.34
minLat = y * yExtent - 20037508.34
maxLong = minLong + xExtent
maxLat = minLat + yExtent
if (minLong < -20037508.34 or maxLong > 20037508.34
or minLat < -20037508.34 or maxLat > 20037508.34):
raise Http404
if basqui_map.changed:
xml_map_config(request, zoom, x, y, basqui_map, layersMapOptions)
config = {
"cache": {
"name": "test",
"path": "../tilestache/%s" % (request.user),
"umask": "0000",
"dirs": "portable"
},
"layers": {
basqui_map.map_name: {
"provider": {
"name":
"mapnik",
"mapfile":
"../tilestache/%s/%s.xml" %
(request.user, basqui_map.map_name)
},
"projection": "spherical mercator"
}
}
}
path = "/%s/%s/%s/%s.png" % (basqui_map.map_name, zoom, x, y)
config = TileStache.Config.buildConfiguration(config)
type, bytes = TileStache.requestHandler(config, path)
return HttpResponse(bytes, mimetype="image/png")
except:
traceback.print_exc()
return HttpResponse("")
def tileMap(request, map_id, zoom, x, y):
try:
try:
basqui_map = BasquiMap.objects.get(id=map_id,
created_by=request.user)
except Shapefile.DoesNotExist or Feature.DoesNotExist:
raise Http404
zoom = int(zoom)
x = int(x)
y = int(y)
if zoom < 0 or zoom > MAX_ZOOM_LEVEL:
raise Http404
xExtent = _unitsPerPixel(zoom)
yExtent = _unitsPerPixel(zoom)
minLong = x * xExtent - 20037508.34
minLat = y * yExtent - 20037508.34
maxLong = minLong + xExtent
maxLat = minLat + yExtent
if (minLong < -20037508.34 or maxLong > 20037508.34
or minLat < -20037508.34 or maxLat > 20037508.34):
raise Http404
map_name = "%s_%s" % (basqui_map.name, basqui_map.pk)
config = {
"cache": {
"name": "test",
"path": "../tilestache/%s/cache/" % (request.user),
"umask": "0000",
"dirs": "portable"
},
"layers": {
map_name: {
"provider": {
"name":
"mapnik",
"mapfile":
"../tilestache/%s/maps/viewer/%s.xml" %
(request.user, map_name)
},
"metatile": {
"rows": 2,
"columns": 2,
"buffer": 64
},
"projection": "spherical mercator",
}
}
}
path = "/%s/%s/%s/%s.png" % (map_name, zoom, x, y)
config = TileStache.Config.buildConfiguration(config)
type, bytes = TileStache.requestHandler(config, path)
return HttpResponse(bytes, content_type="image/png")
except:
traceback.print_exc()
return HttpResponse("")
def tileMap(request, map_id, zoom, x, y):
try:
try:
basqui_map = BasquiMap.objects.get(id=map_id, created_by=request.user)
except Shapefile.DoesNotExist or Feature.DoesNotExist:
raise Http404
zoom = int(zoom)
x = int(x)
y = int(y)
if zoom < 0 or zoom > MAX_ZOOM_LEVEL:
raise Http404
xExtent = _unitsPerPixel(zoom)
yExtent = _unitsPerPixel(zoom)
minLong = x * xExtent - 20037508.34
minLat = y * yExtent - 20037508.34
maxLong = minLong + xExtent
maxLat = minLat + yExtent
if (minLong < -20037508.34 or maxLong > 20037508.34 or minLat < -20037508.34 or maxLat > 20037508.34):
raise Http404
map_name = "%s_%s" % (basqui_map.name, basqui_map.pk)
config = {
"cache": {
"name": "test",
"path": "../tilestache/%s/cache/" % (request.user),
"umask": "0000",
"dirs": "portable"},
"layers": {
map_name: {
"provider": {"name": "mapnik", "mapfile": "../tilestache/%s/maps/viewer/%s.xml" % (request.user, map_name)},
"metatile": {
"rows": 2,
"columns": 2,
"buffer": 64
},
"projection": "spherical mercator",
}
}
}
path = "/%s/%s/%s/%s.png" % (map_name,zoom,x,y)
config = TileStache.Config.buildConfiguration(config)
type, bytes = TileStache.requestHandler(config, path)
return HttpResponse(bytes, content_type="image/png")
except:
traceback.print_exc()
return HttpResponse("")
def tileMap(request, version, map_id, zoom, x, y):
try:
if version != "1.0":
raise Http404
try:
basqui_map = BasquiMap.objects.get(id=map_id)
layersMapOptions = LayerMapOptions.objects.filter(basqui_map=basqui_map, visible=True).order_by('-position')
except Shapefile.DoesNotExist or Feature.DoesNotExist:
raise Http404
zoom = int(zoom)
x = int(x)
y = int(y)
if zoom < 0 or zoom > MAX_ZOOM_LEVEL:
raise Http404
xExtent = _unitsPerPixel(zoom)
yExtent = _unitsPerPixel(zoom)
minLong = x * xExtent - 20037508.34
minLat = y * yExtent - 20037508.34
maxLong = minLong + xExtent
maxLat = minLat + yExtent
if (minLong < -20037508.34 or maxLong > 20037508.34 or minLat < -20037508.34 or maxLat > 20037508.34):
raise Http404
if basqui_map.changed:
xml_map_config(request, zoom, x, y, basqui_map, layersMapOptions)
config = {
"cache": {
"name": "test",
"path": "../tilestache/%s" % (request.user),
"umask": "0000",
"dirs": "portable"},
"layers": {
basqui_map.map_name: {
"provider": {"name": "mapnik", "mapfile": "../tilestache/%s/%s.xml" % (request.user, basqui_map.map_name)},
"projection": "spherical mercator"
}
}
}
path = "/%s/%s/%s/%s.png" % (basqui_map.map_name,zoom,x,y)
config = TileStache.Config.buildConfiguration(config)
type, bytes = TileStache.requestHandler(config, path)
return HttpResponse(bytes, mimetype="image/png")
except:
traceback.print_exc()
return HttpResponse("")
def scenario_tile(request, instance):
path_info = "/" + instance.uid + "_tiles" + request.GET.get('tile')
if not path_info:
return HttpResponse("Must supply tile GET paramater", status=400)
if not _pathinfo_pat.match(path_info or ''):
return HttpResponse('Bad path: "%s"; Expecting something like "/example/0/0/0.png"' % path_info, status=400)
thisdir = os.path.dirname(os.path.abspath(__file__))
dirpath = os.path.realpath(os.path.join(thisdir, '..', '..', 'tile_config'))
xml_path = instance.mapnik_xml()
config_dict = {
"layers": {
instance.uid + "_tiles": {
# "metatile": {
# "buffer": 64,
# "rows": 4,
# "columns": 4
# },
"provider": {
"name": "mapnik",
"mapfile": xml_path
}
},
},
"cache": {
"host": "localhost",
"name": "Redis",
"db": settings.APP_REDIS_DB,
"port": 6379
},
# "cache": {
# "name": "test",
# },
"logging": "warning"
}
config = TileStache.Config.buildConfiguration(config_dict, dirpath)
(mimestr, bytestotal) = TileStache.requestHandler(
config_hint=config, path_info=path_info, query_string=None)
return HttpResponse(bytestotal, content_type=mimestr)
def tileLayer(request, version, shapefile_id, zoom, x, y):
try:
if version != "1.0":
raise Http404
try:
shapefile = Shapefile.objects.get(id=shapefile_id,
created_by=request.user)
except Shapefile.DoesNotExist:
raise Http404
zoom = int(zoom)
x = int(x)
y = int(y)
if zoom < 0 or zoom > MAX_ZOOM_LEVEL:
raise Http404
xExtent = _unitsPerPixel(zoom)
yExtent = _unitsPerPixel(zoom)
minLong = x * xExtent - 20037508.34
minLat = y * yExtent - 20037508.34
maxLong = minLong + xExtent
maxLat = minLat + yExtent
if (minLong < -20037508.34 or maxLong > 20037508.34
or minLat < -20037508.34 or maxLat > 20037508.34):
raise Http404
#create de mapnik.map object
map = mapnik.Map(
TILE_WIDTH, TILE_HEIGHT,
"+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0.0 +k=1.0 +units=m +nadgrids=@null +no_defs +over"
)
map.background = mapnik.Color("#f2f3f7")
#defining the feature layer
geometryField = utils.calcGeometryField(shapefile.geom_type)
field = "'NOM'"
field2 = "'CODE'"
query = '(select ' + geometryField + ', attribute_value->' + field + ' as label, id_relat from "shapefile_feature" where' + ' shapefile_id in (' + str(
shapefile.id) + ')) as geom'
## datasource = mapnik.SQLite(file='C:\mygeosite\sqlite3\sql3.db',
## table=query,
## srid=3857,
## geometry_field=geometryField)
## datasource = mapnik.PostGIS(user=dbSettings['USER'],
## password=dbSettings['PASSWORD'],
## dbname=dbSettings['NAME'],
## table=query,
## srid=3857,
## geometry_field=geometryField,
## simplify_geometries=True,
## geometry_table='"shapefile_feature"')
feature = Feature.objects.filter(shapefile__id=shapefile_id).geojson()
geoj = feature.geojson
datasource = mapnik.Ogr(layer_by_index=0, string=geoj)
##
featureLayer = mapnik.Layer("featureLayer")
featureLayer.srs = "+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0.0 +k=1.0 +units=m +nadgrids=@null +no_defs +over"
featureLayer.datasource = datasource
featureLayer.styles.append("featureLayerStyle")
#defining the feature layer styles
rule = mapnik.Rule()
if shapefile.geom_type in ["Point", "MultiPoint"]:
rule.symbols.append(mapnik.PointSymbolizer())
elif shapefile.geom_type in ["LineString", "MultiLineString"]:
rule.symbols.append(
mapnik.LineSymbolizer(mapnik.Color("#000000"), 0.5))
elif shapefile.geom_type in ["Polygon", "MultiPolygon"]:
rule.symbols.append(
mapnik.PolygonSymbolizer(mapnik.Color("#f7edee")))
rule.symbols.append(
mapnik.LineSymbolizer(mapnik.Color("#000000"), 0.5))
## label = mapnik.TextSymbolizer(mapnik.Expression('[label]'), 'DejaVu Sans Book', 10, mapnik.Color('black'))
## label.halo_fill = mapnik.Color('white')
## label.halo_radius = 4
## label.label_placement = mapnik.label_placement.INTERIOR_PLACEMENT
## label.allow_overlap = True
## label.avoid_edges = True
## rule.symbols.append(label)
style = mapnik.Style()
style.rules.append(rule)
#add new feature to the map
map.append_style("featureLayerStyle", style)
map.layers.append(featureLayer)
#rendering the map tile
mapnik.save_map(
map, "../tilestache/%s/%s.xml" %
(str(request.user), str(shapefile.filename)))
config = {
"cache": {
"name": "Test",
"path": "../tilestache/%s" % (request.user),
"umask": "0000",
"dirs": "portable"
},
"layers": {
shapefile.filename: {
"provider": {
"name":
"mapnik",
"mapfile":
"../tilestache/%s/%s.xml" %
(request.user, shapefile.filename)
},
"projection": "spherical mercator"
}
}
}
# like http://tile.openstreetmap.org/1/0/0.png
#coord = ModestMaps.Core.Coordinate(y, x, zoom)
path = "/%s/%s/%s/%s.png" % (shapefile.filename, zoom, x, y)
config = TileStache.Config.buildConfiguration(config)
#type, bytes = TileStache.getTile(config.layers[shapefile.filename], coord, 'png')
type, bytes = TileStache.requestHandler(config, path)
return HttpResponse(bytes, mimetype="image/png")
except:
traceback.print_exc()
return HttpResponse("")
def tileMap(request, version, ezmap_id, zoom, x, y):
try:
if version != "1.0":
raise Http404
try:
ezmap = EzMap.objects.get(id=ezmap_id)
layersMapOptions = LayerMapOptions.objects.filter(
ezmap=ezmap, visible=True).order_by('-position')
except Shapefile.DoesNotExist or Feature.DoesNotExist:
raise Http404
zoom = int(zoom)
x = int(x)
y = int(y)
if zoom < 0 or zoom > MAX_ZOOM_LEVEL:
raise Http404
xExtent = _unitsPerPixel(zoom)
yExtent = _unitsPerPixel(zoom)
minLong = x * xExtent - 20037508.34
minLat = y * yExtent - 20037508.34
maxLong = minLong + xExtent
maxLat = minLat + yExtent
if (minLong < -20037508.34 or maxLong > 20037508.34
or minLat < -20037508.34 or maxLat > 20037508.34):
raise Http404
if ezmap.changed:
#create de mapnik.map object
ezmap.changed = False
ezmap.save()
map = mapnik.Map(
TILE_WIDTH, TILE_HEIGHT,
"+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0.0 +k=1.0 +units=m +nadgrids=@null +no_defs +over"
)
#map.background = mapnik.Color("#ffffff")
#defining the feature layer
for layer in layersMapOptions.all():
label = LayerLabel.objects.get(layerMapOptions=layer)
for layerStyle in layer.styles.all():
shapefile = layer.layer
geometryField = utils.calcGeometryField(
shapefile.geom_type)
query = '(select ' + geometryField + ', attribute_value->\'' + label.field.name + '\' as label, id_relat from "shapefile_feature" where' + ' shapefile_id in (' + str(
shapefile.id) + ')) as geom'
## datasource = mapnik.SQLite(file='C:\mygeosite\sqlite3\sql3.db',
## table=query,
## srid=3857,
## geometry_field=geometryField,
## use_spatial_index=False)
datasource = mapnik.PostGIS(
user=dbSettings['USER'],
password=dbSettings['PASSWORD'],
dbname=dbSettings['NAME'],
table=query,
srid=3857,
geometry_field=geometryField,
geometry_table='"shapefile_feature"')
featureLayer = mapnik.Layer(
str(shapefile.filename) + str(layerStyle.id))
featureLayer.srs = "+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0.0 +k=1.0 +units=m +nadgrids=@null +no_defs +over"
featureLayer.datasource = datasource
featureLayer.styles.append(
str(shapefile.filename) + '_Style' +
str(layerStyle.id))
#defining the feature layer styles
rule = mapnik.Rule()
if shapefile.geom_type in ["Point", "MultiPoint"]:
s = mapnik.PointSymbolizer(
mapnik.PathExpression(str(layerStyle.iconName)))
s.allow_overlap = True
rule.symbols.append(s)
elif shapefile.geom_type in [
"LineString", "MultiLineString"
]:
rule.symbols.append(
mapnik.LineSymbolizer(
mapnik.Color(str(layerStyle.strokeColor)),
layerStyle.strokeWeight))
elif shapefile.geom_type in ["Polygon", "MultiPolygon"]:
p = mapnik.PolygonSymbolizer(
mapnik.Color(str((layerStyle.fillColor))))
p.fill_opacity = layerStyle.fillOpacity
rule.symbols.append(p)
rule.symbols.append(
mapnik.LineSymbolizer(
mapnik.Color(str(layerStyle.strokeColor)),
layerStyle.strokeWeight))
label = mapnik.TextSymbolizer(
mapnik.Expression('[label]'), 'DejaVu Sans Book',
label.font_size, mapnik.Color(str(label.font_color)))
label.halo_fill = mapnik.Color(str(label.halo_color))
label.halo_radius = int(label.halo_radius)
label.label_placement = mapnik.label_placement.INTERIOR_PLACEMENT
label.allow_overlap = False
label.avoid_edges = True
rule.symbols.append(label)
style = mapnik.Style()
style.rules.append(rule)
#add new feature to the map
map.append_style(
str(shapefile.filename) + '_Style' +
str(layerStyle.id), style)
map.layers.append(featureLayer)
#saving the map mapnik xml
mapnik.save_map(
map, "c:\\mygeosite\\tilestache\\%s\\%s.xml" %
(str(request.user), str(ezmap.map_name)))
config = {
"cache": {
"name": "test",
"path": "../tilestache/%s" % (request.user),
"umask": "0000",
"dirs": "portable"
},
"layers": {
ezmap.map_name: {
"provider": {
"name":
"mapnik",
"mapfile":
"../tilestache/%s/%s.xml" %
(request.user, ezmap.map_name)
},
"projection": "spherical mercator"
}
}
}
# like http://tile.openstreetmap.org/1/0/0.png
#coord = ModestMaps.Core.Coordinate(y, x, zoom)
path = "/%s/%s/%s/%s.png" % (ezmap.map_name, zoom, x, y)
config = TileStache.Config.buildConfiguration(config)
#type, bytes = TileStache.getTile(config.layers[shapefile.filename], coord, 'png')
type, bytes = TileStache.requestHandler(config, path)
return HttpResponse(bytes, mimetype="image/png")
except:
traceback.print_exc()
return HttpResponse("")
def tileFeature(request, version, shapefile_id, feature_id, zoom, x, y):
try:
if version != "1.0":
raise Http404
try:
shapefile = Shapefile.objects.get(id=shapefile_id,
created_by=request.user)
except Shapefile.DoesNotExist:
raise Http404
zoom = int(zoom)
x = int(x)
y = int(y)
if zoom < 0 or zoom > MAX_ZOOM_LEVEL:
raise Http404
xExtent = _unitsPerPixel(zoom)
yExtent = _unitsPerPixel(zoom)
minLong = x * xExtent - 20037508.34
minLat = y * yExtent - 20037508.34
maxLong = minLong + xExtent
maxLat = minLat + yExtent
if (minLong < -20037508.34 or maxLong > 20037508.34
or minLat < -20037508.34 or maxLat > 20037508.34):
raise Http404
#create mapnik.map object
map = mapnik.Map(
TILE_WIDTH, TILE_HEIGHT,
"+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0.0 +k=1.0 +units=m +nadgrids=@null +no_defs +over"
)
map.background = mapnik.Color("#fff")
#defining the feature layer
geometryField = utils.calcGeometryField(shapefile.geom_type)
query = '(select ' + geometryField + ', id, id_relat as label from "layers_feature" WHERE shapefile_id = ' + str(
shapefile.id) + ' AND id = ' + str(feature_id) + ') as geom'
datasource = mapnik.PostGIS(host=dbSettings['HOST'],
user=dbSettings['USER'],
password=dbSettings['PASSWORD'],
dbname=dbSettings['NAME'],
port=dbSettings['PORT'],
table=query,
srid=3857,
geometry_field=geometryField,
simplify_geometries=True,
geometry_table='"layers_feature"')
featureLayer = mapnik.Layer("featureLayer")
featureLayer.srs = "+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0.0 +k=1.0 +units=m +nadgrids=@null +no_defs +over"
featureLayer.datasource = datasource
featureLayer.styles.append("featureLayerStyle")
#defining the feature layer styles
rule = mapnik.Rule()
if shapefile.geom_type in [
"Point", "3D Point", "MultiPoint", "3D MultiPoint"
]:
rule.symbols.append(mapnik.PointSymbolizer())
elif shapefile.geom_type in [
"LineString", "3D LineString", "MultiLineString",
"3D MultiLineString"
]:
rule.symbols.append(
mapnik.LineSymbolizer(mapnik.Color("#000000"), 0.5))
elif shapefile.geom_type in [
"Polygon", "3D Polygon", "MultiPolygon", "3D MultiPolygon"
]:
rule.symbols.append(
mapnik.PolygonSymbolizer(mapnik.Color("#f7edee")))
rule.symbols.append(
mapnik.LineSymbolizer(mapnik.Color("#000000"), 0.5))
style = mapnik.Style()
style.rules.append(rule)
map.append_style("featureLayerStyle", style)
label_rule = mapnik.Rule()
label = mapnik.TextSymbolizer(mapnik.Expression('[label]'),
'DejaVu Sans Book', 10,
mapnik.Color('black'))
label.halo_radius = 4
label.allow_overlap = False
label.avoid_edges = True
label_rule.symbols.append(label)
label_style = mapnik.Style()
label_style.rules.append(label_rule)
featureLayer.styles.append("featureLayerStyle_label")
#add label to the map
map.append_style("featureLayerStyle_label", label_style)
#add new feature to the map
map.layers.append(featureLayer)
#rendering the map tile
mapnik_xml_path = "../tilestache/%s/layers/vector/lightViewer/%s.xml" % (
str(request.user), str(shapefile.name))
mapnik.save_map(map, mapnik_xml_path)
config = {
"cache": {
"name": "Test",
"path": "../tilestache/%s" % (request.user),
"umask": "0000",
"dirs": "portable"
},
"layers": {
shapefile.name: {
"provider": {
"name": "mapnik",
"mapfile": mapnik_xml_path
},
"metatile": {
"rows": 2,
"columns": 2,
"buffer": 64
},
"projection": "spherical mercator",
"write cache": False
}
}
}
path = "/%s/%s/%s/%s.png" % (shapefile.name, zoom, x, y)
config = TileStache.Config.buildConfiguration(config)
type, bytes = TileStache.requestHandler(config, path)
return HttpResponse(bytes, content_type="image/png")
except:
traceback.print_exc()
return HttpResponse("")
def tileRaster(request, version, zoom, x, y):
try:
if version != "1.0":
raise Http404
zoom = int(zoom)
x = int(x)
y = int(y)
if zoom < 0 or zoom > MAX_ZOOM_LEVEL:
raise Http404
xExtent = _unitsPerPixel(zoom)
yExtent = _unitsPerPixel(zoom)
minLong = x * xExtent - 20037508.34
minLat = y * yExtent - 20037508.34
maxLong = minLong + xExtent
maxLat = minLat + yExtent
if (minLong < -20037508.34 or maxLong > 20037508.34
or minLat < -20037508.34 or maxLat > 20037508.34):
raise Http404
#create de mapnik.map object
map = mapnik.Map(
TILE_WIDTH, TILE_HEIGHT,
"+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0.0 +k=1.0 +units=m +nadgrids=@null +no_defs +over"
)
#defining the feature layer
datasource = mapnik.Gdal(file="bar_harbour.dem",
base="C:\\Temp\\dem\\",
band=1)
featureLayer = mapnik.Layer("RasterLayer")
featureLayer.srs = "+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0.0 +k=1.0 +units=m +nadgrids=@null +no_defs +over"
featureLayer.datasource = datasource
featureLayer.styles.append("RasterLayerStyle")
#defining the feature layer styles
rule = mapnik.Rule()
rule.symbols.append(mapnik.RasterSymbolizer())
style = mapnik.Style()
style.rules.append(rule)
#add new feature to the map
map.append_style("RasterLayerStyle", style)
map.layers.append(featureLayer)
#rendering the map tile
#mapnik.save_map(map, "../tilestache/%s/raster.xml" % str(request.user))
config = {
"cache": {
"name": "Test",
"path": "../tilestache/%s" % (request.user),
"umask": "0000",
"dirs": "portable"
},
"layers": {
"raster": {
"provider": {
"name":
"mapnik",
"mapfile":
"../tilestache/%s/layers/raster/raster.xml" %
(request.user)
},
"projection": "spherical mercator",
"metatile": {
"rows": 2,
"columns": 2,
"buffer": 64
},
"write cache": False
}
}
}
# like http://tile.openstreetmap.org/1/0/0.png
#coord = ModestMaps.Core.Coordinate(y, x, zoom)
path = "/raster/%s/%s/%s.png" % (zoom, x, y)
config = TileStache.Config.buildConfiguration(config)
#type, bytes = TileStache.getTile(config.layers[shapefile.filename], coord, 'png')
type, bytes = TileStache.requestHandler(config, path)
return HttpResponse(bytes, content_type="image/png")
except:
traceback.print_exc()
return HttpResponse("")
def tiles(request):
path_info = request.path_info.replace('/tiles', '')
(mimestr, bytestotal) = TileStache.requestHandler(config_hint=settings.TILE_CONFIG,
path_info=path_info, query_string=None)
return HttpResponse(bytestotal, content_type=mimestr)
def tileLayer(request, version, shapefile_id, zoom, x, y):
try:
if version != "1.0":
raise Http404
try:
shapefile = Shapefile.objects.get(id=shapefile_id, created_by=request.user)
except Shapefile.DoesNotExist:
raise Http404
zoom = int(zoom)
x = int(x)
y = int(y)
if zoom < 0 or zoom > MAX_ZOOM_LEVEL:
raise Http404
xExtent = _unitsPerPixel(zoom)
yExtent = _unitsPerPixel(zoom)
minLong = x * xExtent - 20037508.34
minLat = y * yExtent - 20037508.34
maxLong = minLong + xExtent
maxLat = minLat + yExtent
if (minLong < -20037508.34 or maxLong > 20037508.34 or minLat < -20037508.34 or maxLat > 20037508.34):
raise Http404
#create de mapnik.map object
map = mapnik.Map(TILE_WIDTH, TILE_HEIGHT, "+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0.0 +k=1.0 +units=m +nadgrids=@null +no_defs +over")
map.background = mapnik.Color("#f2f3f7")
#defining the feature layer
geometryField = utils.calcGeometryField(shapefile.geom_type)
field = "'NOM'"
field2 = "'CODE'"
query = '(select ' + geometryField + ', attribute_value->' + field +' as label, id_relat from "shapefile_feature" where' + ' shapefile_id in (' + str(shapefile.id) + ')) as geom'
feature = Feature.objects.filter(shapefile__id=shapefile_id).geojson()
adapter = DjLayer(feature)
lyr = adapter.to_mapnik()
lyr.srs = "+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0.0 +k=1.0 +units=m +nadgrids=@null +no_defs +over"
m = mapnik.Map(TILE_WIDTH, TILE_HEIGHT, "+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0.0 +k=1.0 +units=m +nadgrids=@null +no_defs +over")
## datasource = mapnik.PostGIS(user=dbSettings['USER'],
## password=dbSettings['PASSWORD'],
## dbname=dbSettings['NAME'],
## port=5433,
## table=query,
## srid=3857,
## geometry_field=geometryField,
## simplify_geometries=True,
## geometry_table='"shapefile_feature"')
## featureLayer = mapnik.Layer("featureLayer")
## featureLayer.srs = "+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0.0 +k=1.0 +units=m +nadgrids=@null +no_defs +over"
## featureLayer.datasource = datasource
## featureLayer.styles.append("featureLayerStyle")
##
#defining the feature layer styles
rule = mapnik.Rule()
if shapefile.geom_type in ["Point", "MultiPoint"]:
rule.symbols.append(mapnik.PointSymbolizer())
elif shapefile.geom_type in ["LineString", "MultiLineString"]:
rule.symbols.append(mapnik.LineSymbolizer(mapnik.Color("#000000"), 0.5))
elif shapefile.geom_type in ["Polygon", "MultiPolygon"]:
rule.symbols.append(mapnik.PolygonSymbolizer(mapnik.Color("#f7edee")))
rule.symbols.append(mapnik.LineSymbolizer(mapnik.Color("#000000"), 0.5))
##
## label = mapnik.TextSymbolizer(mapnik.Expression('[label]'), 'DejaVu Sans Book', 10, mapnik.Color('black'))
## label.halo_fill = mapnik.Color('white')
## label.halo_radius = 4
## label.label_placement = mapnik.label_placement.INTERIOR_PLACEMENT
## label.allow_overlap = True
## label.avoid_edges = True
## rule.symbols.append(label)
style = mapnik.Style()
style.rules.append(rule)
lyr.styles.append('name')
##
## #add new feature to the map
m.append_style("name", style)
m.layers.append(lyr)
## map.layers.append(featureLayer)
#rendering the map tile
mapnik.save_map(m, "../tilestache/%s/%s.xml" % (str(request.user), str(shapefile.filename)))
config = {
"cache": {
"name": "Disk",
"path": "../tilestache/%s" % (request.user),
"umask": "0000",
"dirs": "portable"},
"layers": {
shapefile.filename: {
"provider": {"name": "mapnik", "mapfile": "../tilestache/%s/%s.xml" % (request.user, shapefile.filename)},
"projection": "spherical mercator"
}
}
}
# like http://tile.openstreetmap.org/1/0/0.png
#coord = ModestMaps.Core.Coordinate(y, x, zoom)
path = "/%s/%s/%s/%s.png" % (shapefile.filename,zoom,x,y)
config = TileStache.Config.buildConfiguration(config)
#type, bytes = TileStache.getTile(config.layers[shapefile.filename], coord, 'png')
type, bytes = TileStache.requestHandler(config, path)
return HttpResponse(bytes, mimetype="image/png")
except:
traceback.print_exc()
return HttpResponse("")
def tileFeature(request, version, shapefile_id, feature_id, zoom, x, y):
try:
if version != "1.0":
raise Http404
try:
shapefile = Shapefile.objects.get(id=shapefile_id, created_by=request.user)
except Shapefile.DoesNotExist:
raise Http404
zoom = int(zoom)
x = int(x)
y = int(y)
if zoom < 0 or zoom > MAX_ZOOM_LEVEL:
raise Http404
xExtent = _unitsPerPixel(zoom)
yExtent = _unitsPerPixel(zoom)
minLong = x * xExtent - 20037508.34
minLat = y * yExtent - 20037508.34
maxLong = minLong + xExtent
maxLat = minLat + yExtent
if (minLong < -20037508.34 or maxLong > 20037508.34 or minLat < -20037508.34 or maxLat > 20037508.34):
raise Http404
#create de mapnik.map object
map = mapnik.Map(TILE_WIDTH, TILE_HEIGHT, "+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0.0 +k=1.0 +units=m +nadgrids=@null +no_defs +over")
map.background = mapnik.Color("#fff")
#defining the feature layer
geometryField = utils.calcGeometryField(shapefile.geom_type)
query = '(select ' + geometryField +', id, id_relat as label from "layers_feature" WHERE shapefile_id = ' + str(shapefile.id) + ' AND id = ' + str(feature_id) + ') as geom'
datasource = mapnik.PostGIS(user=dbSettings['USER'],
password=dbSettings['PASSWORD'],
dbname=dbSettings['NAME'],
port=dbSettings['PORT'],
table=query,
srid=3857,
geometry_field=geometryField,
simplify_geometries=True,
geometry_table='"layers_feature"')
featureLayer = mapnik.Layer("featureLayer")
featureLayer.srs = "+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0.0 +k=1.0 +units=m +nadgrids=@null +no_defs +over"
featureLayer.datasource = datasource
featureLayer.styles.append("featureLayerStyle")
#defining the feature layer styles
rule = mapnik.Rule()
if shapefile.geom_type in ["Point", "3D Point", "MultiPoint", "3D MultiPoint"]:
rule.symbols.append(mapnik.PointSymbolizer())
elif shapefile.geom_type in ["LineString", "3D LineString", "MultiLineString", "3D MultiLineString"]:
rule.symbols.append(mapnik.LineSymbolizer(mapnik.Color("#000000"), 0.5))
elif shapefile.geom_type in ["Polygon", "3D Polygon", "MultiPolygon", "3D MultiPolygon"]:
rule.symbols.append(mapnik.PolygonSymbolizer(mapnik.Color("#f7edee")))
rule.symbols.append(mapnik.LineSymbolizer(mapnik.Color("#000000"), 0.5))
style = mapnik.Style()
style.rules.append(rule)
map.append_style("featureLayerStyle", style)
label_rule = mapnik.Rule()
label = mapnik.TextSymbolizer(mapnik.Expression('[label]'), 'DejaVu Sans Book', 10, mapnik.Color('black'))
label.halo_radius = 4
label.allow_overlap = False
label.avoid_edges = True
label_rule.symbols.append(label)
label_style = mapnik.Style()
label_style.rules.append(label_rule)
featureLayer.styles.append("featureLayerStyle_label")
#add label to the map
map.append_style("featureLayerStyle_label", label_style)
#add new feature to the map
map.layers.append(featureLayer)
#rendering the map tile
mapnik_xml_path = "../tilestache/%s/layers/vector/lightViewer/%s.xml" % (str(request.user), str(shapefile.name))
mapnik.save_map(map, mapnik_xml_path)
config = {
"cache": {
"name": "Test",
"path": "../tilestache/%s" % (request.user),
"umask": "0000",
"dirs": "portable"},
"layers": {
shapefile.name: {
"provider": {"name": "mapnik", "mapfile": mapnik_xml_path},
"metatile": {
"rows": 2,
"columns": 2,
"buffer": 64
},
"projection": "spherical mercator",
"write cache": False
}
}
}
path = "/%s/%s/%s/%s.png" % (shapefile.name,zoom,x,y)
config = TileStache.Config.buildConfiguration(config)
type, bytes = TileStache.requestHandler(config, path)
return HttpResponse(bytes, content_type="image/png")
except:
traceback.print_exc()
return HttpResponse("")
def tileRaster(request, version, zoom, x, y):
try:
if version != "1.0":
raise Http404
zoom = int(zoom)
x = int(x)
y = int(y)
if zoom < 0 or zoom > MAX_ZOOM_LEVEL:
raise Http404
xExtent = _unitsPerPixel(zoom)
yExtent = _unitsPerPixel(zoom)
minLong = x * xExtent - 20037508.34
minLat = y * yExtent - 20037508.34
maxLong = minLong + xExtent
maxLat = minLat + yExtent
if (minLong < -20037508.34 or maxLong > 20037508.34 or minLat < -20037508.34 or maxLat > 20037508.34):
raise Http404
#create de mapnik.map object
map = mapnik.Map(TILE_WIDTH, TILE_HEIGHT, "+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0.0 +k=1.0 +units=m +nadgrids=@null +no_defs +over")
#defining the feature layer
datasource = mapnik.Gdal(file="bar_harbour.dem",
base="C:\\Temp\\dem\\",
band=1)
featureLayer = mapnik.Layer("RasterLayer")
featureLayer.srs = "+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0.0 +k=1.0 +units=m +nadgrids=@null +no_defs +over"
featureLayer.datasource = datasource
featureLayer.styles.append("RasterLayerStyle")
#defining the feature layer styles
rule = mapnik.Rule()
rule.symbols.append(mapnik.RasterSymbolizer())
style = mapnik.Style()
style.rules.append(rule)
#add new feature to the map
map.append_style("RasterLayerStyle", style)
map.layers.append(featureLayer)
#rendering the map tile
#mapnik.save_map(map, "../tilestache/%s/raster.xml" % str(request.user))
config = {
"cache": {
"name": "Test",
"path": "../tilestache/%s" % (request.user),
"umask": "0000",
"dirs": "portable"},
"layers": {
"raster": {
"provider": {"name": "mapnik", "mapfile": "../tilestache/%s/layers/raster/raster.xml" % (request.user)},
"projection": "spherical mercator",
"metatile": {
"rows": 2,
"columns": 2,
"buffer": 64
},
"write cache": False
}
}
}
# like http://tile.openstreetmap.org/1/0/0.png
#coord = ModestMaps.Core.Coordinate(y, x, zoom)
path = "/raster/%s/%s/%s.png" % (zoom,x,y)
config = TileStache.Config.buildConfiguration(config)
#type, bytes = TileStache.getTile(config.layers[shapefile.filename], coord, 'png')
type, bytes = TileStache.requestHandler(config, path)
return HttpResponse(bytes, content_type="image/png")
except:
traceback.print_exc()
return HttpResponse("")
def tileLayer(request, version, shapefile_id, zoom, x, y):
try:
if version != "1.0":
raise Http404
try:
shapefile = Shapefile.objects.get(id=shapefile_id, created_by=request.user)
geometryField = utils.calcGeometryField(shapefile.geom_type)
layerExtent = " ".join(map(str, (shapefile.feature_set.extent(field_name=geometryField))))
except Shapefile.DoesNotExist:
raise Http404
zoom = int(zoom)
x = int(x)
y = int(y)
if zoom < 0 or zoom > MAX_ZOOM_LEVEL:
raise Http404
xExtent = _unitsPerPixel(zoom)
yExtent = _unitsPerPixel(zoom)
minLong = x * xExtent - 20037508.34
minLat = y * yExtent - 20037508.34
maxLong = minLong + xExtent
maxLat = minLat + yExtent
if minLong < -20037508.34 or maxLong > 20037508.34 or minLat < -20037508.34 or maxLat > 20037508.34:
raise Http404
# create de mapnik.map object
mapXML = mapnik.Map(
TILE_WIDTH,
TILE_HEIGHT,
"+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0.0 +k=1.0 +units=m +nadgrids=@null +no_defs +over",
)
mapXML.buffer_size = 128
# defining the feature layer
query = (
"(select "
+ geometryField
+ ', id_relat as label from "layers_feature" WHERE shapefile_id = '
+ str(shapefile.id)
+ ") as geom"
)
datasource = mapnik.PostGIS(
host=dbSettings["HOST"],
user=dbSettings["USER"],
password=dbSettings["PASSWORD"],
dbname=dbSettings["NAME"],
port=dbSettings["PORT"],
table=query,
srid=3857,
estimate_extent=False,
extent=layerExtent,
geometry_field=geometryField,
simplify_geometries=True,
geometry_table='"layers_feature"',
)
featureLayer = mapnik.Layer("featureLayer")
featureLayer.srs = "+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0.0 +k=1.0 +units=m +nadgrids=@null +no_defs +over"
featureLayer.cache_features = True
featureLayer.datasource = datasource
featureLayer.styles.append("featureLayerStyle")
# defining the feature layer styles
rule = mapnik.Rule()
if shapefile.geom_type in ["Point", "3D Point", "MultiPoint", "3D MultiPoint"]:
rule.symbols.append(mapnik.PointSymbolizer())
elif shapefile.geom_type in ["LineString", "3D LineString", "MultiLineString", "3D MultiLineString"]:
rule.symbols.append(mapnik.LineSymbolizer(mapnik.Color("#000000"), 0.5))
elif shapefile.geom_type in ["Polygon", "3D Polygon", "MultiPolygon", "3D MultiPolygon"]:
rule.symbols.append(mapnik.PolygonSymbolizer(mapnik.Color("#f7edee")))
rule.symbols.append(mapnik.LineSymbolizer(mapnik.Color("#000000"), 0.5))
style = mapnik.Style()
style.rules.append(rule)
mapXML.append_style("featureLayerStyle", style)
label_rule = mapnik.Rule()
label = mapnik.TextSymbolizer(mapnik.Expression("[label]"), "DejaVu Sans Book", 10, mapnik.Color("black"))
label.halo_radius = 4
label.allow_overlap = False
label.avoid_edges = True
label_rule.symbols.append(label)
label_style = mapnik.Style()
label_style.rules.append(label_rule)
featureLayer.styles.append("featureLayerStyle_label")
# add label to the map
mapXML.append_style("featureLayerStyle_label", label_style)
# add new feature to the map
mapXML.layers.append(featureLayer)
# rendering the map tile
mapnik_xml_path = "../tilestache/%s/layers/vector/viewer/%s.xml" % (str(request.user), str(shapefile.name))
mapnik.save_map(mapXML, mapnik_xml_path)
config = {
"cache": {"name": "Test", "path": "../tilestache/%s" % (request.user), "umask": "0000", "dirs": "portable"},
"layers": {
shapefile.name: {
"provider": {"name": "mapnik", "mapfile": mapnik_xml_path},
"metatile": {"rows": 2, "columns": 2, "buffer": 64},
"projection": "spherical mercator",
"write cache": False,
}
},
}
# like http://tile.openstreetmap.org/1/0/0.png
# coord = ModestMaps.Core.Coordinate(y, x, zoom)
path = "/%s/%s/%s/%s.png" % (shapefile.name, zoom, x, y)
config = TileStache.Config.buildConfiguration(config)
# type, bytes = TileStache.getTile(config.layers[shapefile.filename], coord, 'png')
type, bytes = TileStache.requestHandler(config, path)
return HttpResponse(bytes, content_type="image/png")
except:
traceback.print_exc()
return HttpResponse("")
try:
self.config = TileStache.parseConfigfile(self.config_path)
except Exception, e:
raise Core.KnownUnknown("Error loading Tilestache config file:\n%s" % str(e))
try:
layer, coord, ext = TileStache.splitPathInfo(environ['PATH_INFO'])
except Core.KnownUnknown, e:
return self._response(start_response, '400 Bad Request', str(e))
try:
config_val = self.config.layers.popitem()
self.config.layers[layer] = config_val[1]
query_params = self.config.layers[layer].provider.parameters
t = Template(query_params['query'])
query_params['query'] = t.substitute(map_slug=layer)
mimetype, content = TileStache.requestHandler(self.config, environ['PATH_INFO'], environ['QUERY_STRING'])
except Core.TheTileIsInAnotherCastle, e:
other_uri = environ['SCRIPT_NAME'] + e.path_info
if environ['QUERY_STRING']:
other_uri += '?' + environ['QUERY_STRING']
start_response('302 Found', [('Location', other_uri), ('Content-Type', 'text/plain')])
return ['You are being redirected to %s\n' % other_uri]
request_layer = self.config.layers[layer]
allowed_origin = request_layer.allowed_origin
max_cache_age = request_layer.max_cache_age
return self._response(start_response, '200 OK', str(content), mimetype, allowed_origin, max_cache_age)
