Contour Lines from Grid
shapes_grid
ParameterRaster|GRID|Grid|False
ParameterSelection|VERTEX|Vertex type|[0] x,y;[1] x,y,z
ParameterNumber|ZMIN|Minimum Contour Value|None|None|0.0
ParameterNumber|ZMAX|Maximum Contour Value|None|None|10000.0
ParameterNumber|ZSTEP|Equidistance|None|None|100.0
OutputVector|CONTOUR|Contour Lines