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Python BoundingPyramid.metatilecoords方法代码示例

本文整理汇总了Python中tilecloud.BoundingPyramid.metatilecoords方法的典型用法代码示例。如果您正苦于以下问题:Python BoundingPyramid.metatilecoords方法的具体用法?Python BoundingPyramid.metatilecoords怎么用?Python BoundingPyramid.metatilecoords使用的例子?那么恭喜您, 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tilecloud.BoundingPyramid的用法示例。


在下文中一共展示了BoundingPyramid.metatilecoords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: init_tilecoords

# 需要导入模块: from tilecloud import BoundingPyramid [as 别名]
# 或者: from tilecloud.BoundingPyramid import metatilecoords [as 别名]
    def init_tilecoords(self, layer):
        resolutions = layer['grid_ref']['resolutions']

        if self.options.time is not None and self.options.zoom is None:
            if 'min_resolution_seed' in layer:  # pragma: no cover
                self.options.zoom = [resolutions.index(
                    layer['min_resolution_seed']
                )]
            else:
                self.options.zoom = [len(resolutions) - 1]

        if self.options.zoom is not None:
            zoom_max = len(resolutions) - 1
            for zoom in self.options.zoom:
                if zoom > zoom_max:
                    logger.warning(
                        "zoom %i is greater than the maximum zoom %i"
                        " of grid %s of layer %s, ignored." % (
                            zoom, zoom_max, layer['grid'], layer['name']
                        )
                    )
            self.options.zoom = [z for z in self.options.zoom if z <= zoom_max]

        if 'min_resolution_seed' in layer:
            if self.options.zoom is None:
                self.options.zoom = []
                for z, resolution in enumerate(resolutions):
                    if resolution >= layer['min_resolution_seed']:
                        self.options.zoom.append(z)
            else:
                for zoom in self.options.zoom:
                    resolution = resolutions[zoom]
                    if resolution < layer['min_resolution_seed']:
                        logger.warning(
                            "zoom %i corresponds to resolution %s is smaller"
                            " than the 'min_resolution_seed' %s of layer %s, ignored." %
                            (
                                zoom, resolution, layer['min_resolution_seed'], layer['name']
                            )
                        )
                self.options.zoom = [
                    z for z in self.options.zoom if
                    resolutions[z] >= layer['min_resolution_seed']
                ]

        if self.options.zoom is None:
            self.options.zoom = [z for z, r in enumerate(resolutions)]

        # fill the bounding pyramid
        tilegrid = layer['grid_ref']['obj']
        bounding_pyramid = BoundingPyramid(tilegrid=tilegrid)
        for zoom in self.options.zoom:
            if zoom in self.geoms:
                extent = self.geoms[zoom].bounds

                if len(extent) == 0:
                    logger.warning("bounds empty for zoom {}".format(zoom))
                else:
                    minx, miny, maxx, maxy = extent
                    px_buffer = layer['px_buffer']
                    m_buffer = px_buffer * resolutions[zoom]
                    minx -= m_buffer
                    miny -= m_buffer
                    maxx += m_buffer
                    maxy += m_buffer
                    bounding_pyramid.add(tilegrid.tilecoord(
                        zoom,
                        max(minx, tilegrid.max_extent[0]),
                        max(miny, tilegrid.max_extent[1]),
                    ))
                    bounding_pyramid.add(tilegrid.tilecoord(
                        zoom,
                        min(maxx, tilegrid.max_extent[2]),
                        min(maxy, tilegrid.max_extent[3]),
                    ))

        if layer.get('meta', False):
            self.set_tilecoords(bounding_pyramid.metatilecoords(layer['meta_size']), layer)
        else:
            self.set_tilecoords(bounding_pyramid, layer)
开发者ID:camptocamp,项目名称:tilecloud-chain,代码行数:82,代码来源:__init__.py

示例2: test_hash_metatile

# 需要导入模块: from tilecloud import BoundingPyramid [as 别名]
# 或者: from tilecloud.BoundingPyramid import metatilecoords [as 别名]
 def test_hash_metatile(self):
     bp = BoundingPyramid({4: (Bounds(0, 16), Bounds(0, 16))})
     metatilecoords = list(bp.metatilecoords(2))
     hashes = map(hash, metatilecoords)
     self.assertEqual(len(metatilecoords), len(set(hashes)))
开发者ID:Bobfrat,项目名称:tilecloud,代码行数:7,代码来源:test_tilecoord.py


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