__init__.py 文件源码

def create_basemap(self, projection='merc'):
        """Creates a very basic basemap: 'bbox': (x1, x2, y1, y2)

        If you want to use the power of basemap you can write your own basemap
        and pass it to you object
        """
        bm = Basemap(
            llcrnrlat=self.bbox[2], urcrnrlat=self.bbox[3],
            llcrnrlon=self.bbox[0], urcrnrlon=self.bbox[1],
            projection=projection)
        bm.drawcoastlines(linewidth=0)
        return bm