Exemplo n.º 1
0
    def _get_transformed_query(self, query):
        """
        Handle FI requests for unsupported SRS.
        """
        req_srs = query.srs
        req_bbox = query.bbox
        req_coord = make_lin_transf((0, 0, query.size[0], query.size[1]),
                                    req_bbox)(query.pos)

        info_srs = self.supported_srs.best_srs(req_srs)
        info_bbox = req_srs.transform_bbox_to(info_srs, req_bbox)
        # calculate new info_size to keep square pixels after transform_bbox_to
        info_aratio = (info_bbox[3] - info_bbox[1]) / (info_bbox[2] -
                                                       info_bbox[0])
        info_size = query.size[0], int(info_aratio * query.size[0])

        info_coord = req_srs.transform_to(info_srs, req_coord)
        info_pos = make_lin_transf(
            (info_bbox), (0, 0, info_size[0], info_size[1]))(info_coord)
        info_pos = int(round(info_pos[0])), int(round(info_pos[1]))

        info_query = InfoQuery(
            bbox=info_bbox,
            size=info_size,
            srs=info_srs,
            pos=info_pos,
            info_format=query.info_format,
            feature_count=query.feature_count,
        )
        return info_query
Exemplo n.º 2
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    def test_transform_fi_request(self):
        req = WMS111FeatureInfoRequest(url=TESTSERVER_URL + '/service?map=foo', param={'layers':'foo', 'srs': 'EPSG:25832'})
        http = MockHTTPClient()
        wms = WMSInfoClient(req, http_client=http)
        fi_req = InfoQuery((8, 50, 9, 51), (512, 512),
                           SRS(4326), (128, 64), 'text/plain')

        wms.get_info(fi_req)

        assert wms_query_eq(http.requested[0],
            TESTSERVER_URL+'/service?map=foo&LAYERS=foo&SERVICE=WMS&FORMAT=image%2Fpng'
                           '&REQUEST=GetFeatureInfo&SRS=EPSG%3A25832&info_format=text/plain'
                           '&query_layers=foo'
                           '&VERSION=1.1.1&WIDTH=512&HEIGHT=797&STYLES=&x=135&y=101'
                           '&BBOX=428333.552496,5538630.70275,500000.0,5650300.78652'), http.requested[0]
Exemplo n.º 3
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    def test_transform_fi_request_supported_srs(self):
        req = ArcGISIdentifyRequest(url=TESTSERVER_URL + '/MapServer/export?map=foo', param={'layers':'foo'})
        http = MockHTTPClient()
        wms = ArcGISInfoClient(req, http_client=http, supported_srs=[SRS(25832)])
        fi_req = InfoQuery((8, 50, 9, 51), (512, 512),
                           SRS(4326), (128, 64), 'text/plain')

        wms.get_info(fi_req)

        assert_query_eq(http.requested[0],
            TESTSERVER_URL+'/MapServer/identify?map=foo'
                           '&imageDisplay=512,797,96&sr=25832&f=json'
                           '&layers=foo&tolerance=5&returnGeometry=false'
                           '&geometryType=esriGeometryPoint&geometry=447229.979084,5636149.370634'
                           '&mapExtent=428333.552496,5538630.70275,500000.0,5650300.78652',
            fuzzy_number_compare=True)
Exemplo n.º 4
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    def test_fi_request(self):
        req = ArcGISIdentifyRequest(url=TESTSERVER_URL + '/MapServer/export?map=foo', param={'layers':'foo'})
        http = MockHTTPClient()
        wms = ArcGISInfoClient(req, http_client=http, supported_srs=[SRS(4326)])
        fi_req = InfoQuery((8, 50, 9, 51), (512, 512),
                           SRS(4326), (128, 64), 'text/plain')

        wms.get_info(fi_req)

        assert_query_eq(http.requested[0],
            TESTSERVER_URL+'/MapServer/identify?map=foo'
                           '&imageDisplay=512,512,96&sr=4326&f=json'
                           '&layers=foo&tolerance=5&returnGeometry=false'
                           '&geometryType=esriGeometryPoint&geometry=8.250000,50.875000'
                           '&mapExtent=8,50,9,51',
            fuzzy_number_compare=True)
Exemplo n.º 5
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    def featureinfo(self, request):
        infos = []
        self.check_request(request, self.info_formats)

        tile_layer = self.layers[request.layer][request.tilematrixset]
        if not request.format:
            request.format = tile_layer.format

        bbox = tile_layer.grid.tile_bbox(request.tile)
        query = InfoQuery(
            bbox,
            tile_layer.grid.tile_size,
            tile_layer.grid.srs,
            request.pos,
            request.infoformat,
        )

        self.check_request_dimensions(tile_layer, request)

        coverage = self.authorize_tile_layer(tile_layer,
                                             request,
                                             featureinfo=True)

        if not tile_layer.info_sources:
            raise RequestError('layer %s not queryable' % str(request.layer),
                               code='OperationNotSupported',
                               request=request)

        if coverage and not coverage.contains(query.coord, query.srs):
            infos = []
        else:
            for source in tile_layer.info_sources:
                info = source.get_info(query)
                if info is None:
                    continue
                infos.append(info)

        mimetype = request.infoformat

        if not infos:
            return Response('', mimetype=mimetype)

        resp, _ = combine_docs(infos)

        return Response(resp, mimetype=mimetype)
Exemplo n.º 6
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    def _get_transformed_query(self, query):
        """
        Handle FI requests for unsupported SRS.
        """
        req_srs = query.srs
        req_bbox = query.bbox
        info_srs = self._best_supported_srs(req_srs)
        info_bbox = req_srs.transform_bbox_to(info_srs, req_bbox)

        req_coord = make_lin_transf((0, query.size[1], query.size[0], 0),
                                    req_bbox)(query.pos)

        info_coord = req_srs.transform_to(info_srs, req_coord)
        info_pos = make_lin_transf(
            (info_bbox), (0, query.size[1], query.size[0], 0))(info_coord)

        info_query = InfoQuery(info_bbox, query.size, info_srs, info_pos,
                               query.info_format)
        return info_query
Exemplo n.º 7
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    def _get_transformed_query(self, query):
        """
        Handle FI requests for unsupported SRS.
        """
        req_srs = query.srs
        req_bbox = query.bbox
        info_srs = self._best_supported_srs(req_srs)
        info_bbox = req_srs.transform_bbox_to(info_srs, req_bbox)

        req_coord = make_lin_transf((0, query.size[1], query.size[0], 0), req_bbox)(query.pos)

        info_coord = req_srs.transform_to(info_srs, req_coord)
        info_pos = make_lin_transf((info_bbox), (0, query.size[1], query.size[0], 0))(info_coord)
        info_pos = int(round(info_pos[0])), int(round(info_pos[1]))

        info_query = InfoQuery(
            bbox=info_bbox,
            size=query.size,
            srs=info_srs,
            pos=info_pos,
            info_format=query.info_format,
            feature_count=query.feature_count,
        )
        return info_query
Exemplo n.º 8
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    def featureinfo(self, request):
        infos = []
        self.check_featureinfo_request(request)

        p = request.params
        query = InfoQuery(p.bbox,
                          p.size,
                          SRS(p.srs),
                          p.pos,
                          p['info_format'],
                          format=request.params.format or None,
                          feature_count=p.get('feature_count'))

        actual_layers = odict()

        for layer_name in request.params.query_layers:
            layer = self.layers[layer_name]
            if not layer.queryable:
                raise RequestError('layer %s is not queryable' % layer_name,
                                   request=request)
            for layer_name, info_layers in layer.info_layers_for_query(query):
                actual_layers[layer_name] = info_layers

        authorized_layers, coverage = self.authorized_layers(
            'featureinfo',
            actual_layers.keys(),
            request.http.environ,
            query_extent=(query.srs.srs_code, query.bbox))
        self.filter_actual_layers(actual_layers, request.params.layers,
                                  authorized_layers)

        # outside of auth-coverage
        if coverage and not coverage.contains(query.coord, query.srs):
            infos = []
        else:
            info_layers = []
            for layers in actual_layers.values():
                info_layers.extend(layers)

            for layer in info_layers:
                info = layer.get_info(query)
                if info is None:
                    continue
                infos.append(info)

        mimetype = None
        if 'info_format' in request.params:
            mimetype = request.params.info_format

        if not infos:
            return Response('', mimetype=mimetype)

        if self.fi_transformers:
            doc = infos[0].combine(infos)
            if doc.info_type == 'text':
                resp = doc.as_string()
                mimetype = 'text/plain'
            else:
                if not mimetype:
                    if 'xml' in self.fi_transformers:
                        info_type = 'xml'
                    elif 'html' in self.fi_transformers:
                        info_type = 'html'
                    else:
                        info_type = 'text'
                    mimetype = mimetype_from_infotype(request.version,
                                                      info_type)
                else:
                    info_type = infotype_from_mimetype(request.version,
                                                       mimetype)
                resp = self.fi_transformers[info_type](doc).as_string()
        else:
            mimetype = mimetype_from_infotype(request.version,
                                              infos[0].info_type)
            if len(infos) > 1:
                resp = infos[0].combine(infos).as_string()
            else:
                resp = infos[0].as_string()

        return Response(resp, mimetype=mimetype)
Exemplo n.º 9
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 def test_coord(self):
     query = InfoQuery((8, 50, 9, 51), (400, 1000), SRS(4326), (100, 600),
                       'text/plain')
     eq_(query.coord, (8.25, 50.4))
Exemplo n.º 10
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 def test_coord(self):
     query = InfoQuery(
         (8, 50, 9, 51), (400, 1000), SRS(4326), (100, 600), "text/plain"
     )
     assert query.coord == (8.25, 50.4)