spatial.GeometryFM3D

spatial.GeometryFM3D(self, *, node_coordinates, element_table, codes=None, projection='LONG/LAT', dfsu_type=DfsuFileType.Dfsu3DSigma, element_ids=None, node_ids=None, n_layers=1, n_sigma=None, validate=True, reindex=False)

Attributes

Name Description
bottom_elements List of 3d element ids of bottom layer
boundary_codes Unique list of boundary codes
codes Node codes of all nodes (0=water, 1=land, 2…=open boundaries)
e2_e3_table The 2d-to-3d element connectivity table for a 3d object
elem2d_ids The associated 2d element id for each 3d element
element_coordinates Center coordinates of each element
is_geo Are coordinates geographical (LONG/LAT)?
is_local_coordinates Are coordinates relative (NON-UTM)?
layer_ids The layer number (0=bottom, 1, 2, …) for each 3d element
max_nodes_per_element The maximum number of nodes for an element
n_elements Number of 3d elements
n_layers Maximum number of layers
n_layers_per_column List of number of layers for each column
n_sigma_layers Number of sigma layers
n_z_layers Maximum number of z-layers
projection The projection
projection_string The projection string
top_elements List of 3d element ids of surface layer

Methods

Name Description
get_layer_elements 3d element ids for one (or more) specific layer(s)
to_2d_geometry extract 2d geometry from 3d geometry

get_layer_elements

spatial.GeometryFM3D.get_layer_elements(layers)

3d element ids for one (or more) specific layer(s)

Parameters

Name Type Description Default
layers int or list(int) layer between 0 (bottom) and n_layers-1 (top) (can also be negative counting from -1 at the top layer) required

Returns

Type Description
numpy.numpy.array(int) element ids

to_2d_geometry

spatial.GeometryFM3D.to_2d_geometry()

extract 2d geometry from 3d geometry

Returns

Type Description
UnstructuredGeometry 2d geometry (bottom nodes)