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Python gmap.GoogleMapException方法代码示例

本文整理汇总了Python中django.contrib.gis.maps.google.gmap.GoogleMapException方法的典型用法代码示例。如果您正苦于以下问题:Python gmap.GoogleMapException方法的具体用法?Python gmap.GoogleMapException怎么用?Python gmap.GoogleMapException使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在django.contrib.gis.maps.google.gmap的用法示例。


在下文中一共展示了gmap.GoogleMapException方法的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。

示例1: get_zoom

# 需要导入模块: from django.contrib.gis.maps.google import gmap [as 别名]
# 或者: from django.contrib.gis.maps.google.gmap import GoogleMapException [as 别名]
def get_zoom(self, geom):
        "Returns the optimal Zoom level for the given geometry."
        # Checking the input type.
        if not isinstance(geom, GEOSGeometry) or geom.srid != 4326:
            raise TypeError('get_zoom() expects a GEOS Geometry with an SRID of 4326.')

        # Getting the envelope for the geometry, and its associated width, height
        # and centroid.
        env = geom.envelope
        env_w, env_h = self.get_width_height(env.extent)
        center = env.centroid

        for z in range(self._nzoom):
            # Getting the tile at the zoom level.
            tile_w, tile_h = self.get_width_height(self.tile(center, z).extent)

            # When we span more than one tile, this is an approximately good
            # zoom level.
            if (env_w > tile_w) or (env_h > tile_h):
                if z == 0:
                    raise GoogleMapException('Geometry width and height should not exceed that of the Earth.')
                return z - 1

        # Otherwise, we've zoomed in to the max.
        return self._nzoom - 1 
开发者ID:ComputerSocietyUNB,项目名称:CodingDojo,代码行数:27,代码来源:zoom.py

示例2: get_zoom

# 需要导入模块: from django.contrib.gis.maps.google import gmap [as 别名]
# 或者: from django.contrib.gis.maps.google.gmap import GoogleMapException [as 别名]
def get_zoom(self, geom):
        "Returns the optimal Zoom level for the given geometry."
        # Checking the input type.
        if not isinstance(geom, GEOSGeometry) or geom.srid != 4326:
            raise TypeError('get_zoom() expects a GEOS Geometry with an SRID of 4326.')

        # Getting the envelope for the geometry, and its associated width, height
        # and centroid.
        env = geom.envelope
        env_w, env_h = self.get_width_height(env.extent)
        center = env.centroid

        for z in xrange(self._nzoom):
            # Getting the tile at the zoom level.
            tile_w, tile_h = self.get_width_height(self.tile(center, z).extent)

            # When we span more than one tile, this is an approximately good
            # zoom level.
            if (env_w > tile_w) or (env_h > tile_h):
                if z == 0:
                    raise GoogleMapException('Geometry width and height should not exceed that of the Earth.')
                return z-1

        # Otherwise, we've zoomed in to the max.
        return self._nzoom-1 
开发者ID:VirtualPlants,项目名称:tissuelab,代码行数:27,代码来源:zoom.py


注:本文中的django.contrib.gis.maps.google.gmap.GoogleMapException方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。