Ejemplo n.º 1
0
def get_vertices_for_geom(geom: ogr.Geometry) -> List[List[float]]:
    """
    Gets a list of the vertices for the given geometry.

    :param geom: The geomery from which points are to be extracted.
    :type geom: :py:class:`ogr.Geometry`
    :return: A list of points that compose the geometry.
    :rtype: ``[[int, int]]``
    """
    vertices = []
    geom_name = geom.GetGeometryName()
    if geom_name == 'POINT':
        vertices.append([geom.GetPoint()[0], geom.GetPoint()[1]])
    elif geom_name == 'LINEARRING':
        num_vertices = geom.GetPointCount()
        for i in range(0, geom.GetPointCount()):
            point = geom.GetPoint(i)
            vertices.append([point[0], point[1]])
    else:
        geom_count = geom.GetGeometryCount()
        for i in range(0, geom_count):
            geom_ref = geom.GetGeometryRef(i)
            verts = get_vertices_for_geom(geom_ref)
            vertices.append(verts)

    return vertices
Ejemplo n.º 2
0
def point_intersects_roi(point: PointData, region_of_interest: ogr.Geometry):
    for i in range(region_of_interest.GetGeometryCount()):
        sub_geom = region_of_interest.GetGeometryRef(i)
        intersects = sub_geom.Intersects(point.geometry)
        if intersects:
            result = True
            break
    else:
        result = False
    return result