gemgis.visualization.create_delaunay_mesh_from_gdf#

gemgis.visualization.create_delaunay_mesh_from_gdf(gdf: geopandas.geodataframe.GeoDataFrame, z: str = 'Z') → pyvista.core.pointset.PolyData#

Creating a delaunay triangulated mesh from surface contour lines

Parameters

gdf (gpd.geodataframe.GeoDataFrame) – GeoDataFrame containing LineStrings representing surface contours

Returns

mesh – Mesh representing the triangulated mesh

Return type

pv.core.pointset.PolyData

New in version 1.0.x.

Example

>>> # Loading Libraries and File
>>> import gemgis as gg
>>> import geopandas as gpd
>>> gdf = gpd.read_file(filename='file.shp')
>>> gdf
    OBJECTID    Z       EINHEIT         Shape_Leng  geometry
0   1.00        -2450   gg_kru_b_l_Z50m 3924.67     LINESTRING (32403313.109 5785053.637, 32402917...
1   2.00        -2400   gg_kru_b_l_Z50m 26332.90    LINESTRING (32410198.859 5781110.785, 32409807...
2   3.00        -2350   gg_kru_b_l_Z50m 31104.28    LINESTRING (32409587.930 5780538.824, 32408824...
3   4.00        -2300   gg_kru_b_l_Z50m 35631.73    LINESTRING (32408977.008 5779966.863, 32408808...
4   5.00        -2250   gg_kru_b_l_Z50m 41702.52    LINESTRING (32407319.922 5779788.672, 32407246...

>>> # Creating PolyData from isolines
>>> mesh = gg.visualization.create_delaunay_mesh_from_gdf(gdf=gdf)
>>> mesh
Header
PolyData    Information
N Cells     45651
N Points    23009
X Bounds    3.233e+07, 3.250e+07
Y Bounds    5.702e+06, 5.798e+06
Z Bounds    -2.450e+03, 4.000e+02
N Arrays    1
Data Arrays
Name        Field   Type    N Comp  Min         Max
Depth [m]   Points  float64 1       -2.450e+03  4.000e+02

See also

create_polydata_from_msh

Creating PolyData dataset from Leapfrog mesh file

create_polydata_from_ts

Creating PolyData dataset from GoCAD Tsurface file

create_polydata_from_dxf

Creating PolyData dataset from DXF object