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Python Line.get_arcs方法代码示例

本文整理汇总了Python中line.Line.get_arcs方法的典型用法代码示例。如果您正苦于以下问题:Python Line.get_arcs方法的具体用法?Python Line.get_arcs怎么用?Python Line.get_arcs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line.Line的用法示例。


在下文中一共展示了Line.get_arcs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__

# 需要导入模块: from line import Line [as 别名]
# 或者: from line.Line import get_arcs [as 别名]

#.........这里部分代码省略.........
            def LineString(self, lineString):
                lineString["arcs"] = self.ln.line_open(lineString["coordinates"])

            def geometry(self, geometry):
                if geometry == None:
                    geometry = {}
                else:
                    Types.geometry(self, geometry)
                geometry["id"] = self.id_func(geometry)
                if geometry["id"] == None:
                    del geometry["id"]
                properties0 = geometry["properties"]
                if properties0:
                    properties1 = {}
                    del geometry["properties"]
                    for key0 in properties0:
                        if self.property_transform(properties1, key0, properties0[key0]):
                            geometry["properties"] = properties1
                if "arcs" in geometry:
                    del geometry["coordinates"]
                return geometry

        self.topo = Topo(self.ln, self.id_func, self.property_transform)
        AddMessage("looping through " + str(self.feature_length) + " features again")
        for db in self.feature_db:
            for i in self.feature_db[db]:
                # AddMessage('on '+str(i))
                self.tweak(self.feature_db[db], i)

    def dump(self, f):
        self.start()
        # print('writing')
        f.write('{"type":"Topology","bbox":')
        dump([self.bounds.x0, self.bounds.y0, self.bounds.x1, self.bounds.y1], f)
        f.write(',"transform":')
        dump({"scale": [1.0 / self.kx, 1.0 / self.ky], "translate": [self.bounds.x0, self.bounds.y0]}, f)
        # print('dumping objects')
        f.write(',"objects":')
        i = 0
        AddMessage("one last time")
        for thing in self.get_objects():
            i += 1
            # AddMessage('on ' + str(i) + ' for the last time')
            f.write(thing)
        # print('dumping arcs')
        f.write(',"arcs":[')
        first = True
        for arc in self.ln.get_arcs():
            if first:
                first = False
            else:
                f.write(",")
            dump(arc, f)
        f.write("]}")

    def add(self, object, feature):
        if not (object in self.feature_db):
            path = self.feature_dir + "/" + object
            self.feature_path.append(path)
            self.feature_db[object] = shelve.open(path)
        storage = self.feature_db[object]
        if self.simplify:
            feature = self.simplify.Feature(feature)
        if self.stitch_poles:
            self.stitch_poles.Feature(feature)
        self.bounds.Feature(feature)
        self.feature_db[object][str(self.feature_length)] = feature
        self.feature_length += 1

    def tweak(self, db, i):
        feature = db[i]
        self.quant.Feature(feature)
        feature = self.clock.clock(feature)
        self.coincidences.Feature(feature)
        db[i] = feature

    def get_objects(self):
        firstDB = True
        yield "{"
        for db in self.feature_db:
            if firstDB:
                firstDB = False
            else:
                yield ","
            first = True
            yield '"' + db + '":{"type":"GeometryCollection","geometries":['
            for object in self.feature_db[db]:
                if first:
                    first = False
                else:
                    yield ","
                yield dumps(self.topo.Feature(self.feature_db[db][object]))
            self.feature_db[db].close()
            yield "]}"
        for path in self.feature_path:
            remove(path)
        yield "}"

    def object_factory(self, object):
        return partial(self.add, object)
开发者ID:reyemtm,项目名称:esri2open,代码行数:104,代码来源:topology.py

示例2: topology

# 需要导入模块: from line import Line [as 别名]
# 或者: from line.Line import get_arcs [as 别名]

#.........这里部分代码省略.........
            x1 = 180
        if y0 < -90 + E:
            y0 = -90
        if y1 > 90 - E:
            y1 = 90;
    if is_infinit(x0):
        x0 = 0
    if is_infinit(x1):
        x1 = 0;

    if is_infinit(y0):
        y0 = 0;
    if is_infinit(y1):
        y1 = 0;
    [kx,ky]=make_ks(quantization,x0,x1,y0,y1)
    if not quantization:
        quantization = x1 + 1
        x0 = y0 = 0

    class findEmax(Types):
        def __init__(self,obj):
            self.emax=0
            self.obj(obj)
        def point(self,point):
            x1 = point[0]
            y1 = point[1]
            x = ((x1 - x0) * kx)
            y =((y1 - y0) * ky)
            ee = system.distance(x1, y1, x / kx + x0, y / ky + y0)
            if ee > self.emax:
                self.emax = ee
            point[0] = int(x)
            point[1] = int(y)
    finde=findEmax(objects)
    emax = finde.emax
    clock = Clock(system.ring_area)
    clock.clock(objects)
    class find_coincidences(Types):
        def line(self,line):
            for point in line:
                lines = ln.arcs.coincidence_lines(point)
                if not line in lines:
                    lines.append(line)
    fcInst = find_coincidences(objects)
    polygon = lambda poly:map(ln.line_closed,poly)
    #Convert features to geometries, and stitch together arcs.
    class make_topo(Types):
        def Feature (self,feature):
            geometry = feature["geometry"]
            if feature['geometry'] == None:
                geometry = {};
            if 'id' in feature:
                geometry['id'] = feature['id']
            if 'properties' in feature:
                geometry['properties'] = feature['properties']
            return self.geometry(geometry);
        def FeatureCollection(self,collection):
            collection['type'] = "GeometryCollection";
            collection['geometries'] = map(self.Feature,collection['features'])
            del collection['features']
            return collection
        def GeometryCollection(self,collection):
            collection['geometries'] = map(self.geometry,collection['geometries'])
        def MultiPolygon(self,multiPolygon):
            multiPolygon['arcs'] = map(polygon,multiPolygon['coordinates'])
        def Polygon(self,polygon):
             polygon['arcs'] = map(ln.line_closed,polygon['coordinates'])
        def MultiLineString(self,multiLineString):
            multiLineString['arcs'] = map(ln.line_open,multiLineString['coordinates'])
        def LineString(self,lineString):
            lineString['arcs'] = ln.line_open(lineString['coordinates'])
        def geometry(self,geometry):
            if geometry == None:
                geometry = {};
            else:
                Types.geometry(self,geometry)
            geometry['id'] = id_func(geometry)
            if geometry['id'] == None:
                del geometry['id']
            properties0 = geometry['properties']
            if properties0:
                properties1 = {}
                del geometry['properties']
                for key0 in properties0:
                    if property_transform(properties1, key0, properties0[key0]):
                        geometry['properties'] = properties1
            if 'arcs' in geometry:
                del geometry['coordinates']
            return geometry;
    make_topo_inst = make_topo(objects)
    return {
        'type': "Topology",
        'bbox': [x0, y0, x1, y1],
        'transform': {
            'scale': [1.0 / kx, 1.0 / ky],
            'translate': [x0, y0]
        },
        'objects': make_topo_inst.outObj,
        'arcs': ln.get_arcs()
    }
开发者ID:kuno,项目名称:topojson.py,代码行数:104,代码来源:topology.py


注:本文中的line.Line.get_arcs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。