svg.py 文件源码

def _geometry_to_svg(self, geom):
        # scale and move geometry and create svg code for it
        if isinstance(geom, Polygon):
            return ('<path d="' +
                    ' '.join((('M %.1f %.1f L'+(' %.1f %.1f'*(len(ring.coords)-1))+' z') %
                              tuple((np.array(ring)*self.np_scale+self.np_offset).flatten()))
                             for ring in chain((geom.exterior,), geom.interiors))
                    + '"/>').replace('.0 ', ' ')
        if isinstance(geom, LineString):
            return (('<path d="M %.1f %.1f L'+(' %.1f %.1f'*(len(geom.coords)-1))+'"/>') %
                    tuple((np.array(geom)*self.np_scale+self.np_offset).flatten())).replace('.0 ', ' ')
        try:
            geoms = geom.geoms
        except AttributeError:
            return ''
        return ''.join(self._geometry_to_svg(g) for g in geoms)