from viennagrid.wrapper import TriangularCartesian2D_Domain as Domain from viennagrid.wrapper import TriangularCartesian2D_Segmentation as Segmentation from viennagrid.wrapper import PointCartesian2D as Point from viennagrid.wrapper import TriangularCartesian2D_Cell_Accessor as CellAccessor from viennagrid.wrapper import surface from viennagrid.wrapper import read_vtk, write_vtk # Create an empty domain domain = Domain() # Add vertices to the domain. These vertices will then be used to define # cells. domain.make_vertex(Point(0, 0)) # Vertex with ID #0 domain.make_vertex(Point(1, 0)) # Vertex with ID #1 domain.make_vertex(Point(2, 0)) # Vertex with ID #2 domain.make_vertex(Point(2, 1)) # Vertex with ID #3 domain.make_vertex(Point(1, 1)) # Vertex with ID #4 domain.make_vertex(Point(0, 1)) # Vertex with ID #5 # Create a segmentation of the domain segmentation = Segmentation(domain) # Create 2 segments in the segmentation of the domain seg0 = segmentation.make_segment() seg1 = segmentation.make_segment() # Create 2 cells in the first segment. Since the domain is a triangular domain, # cells are triangles and three vertices must be specified to create a cell.
from viennagrid.wrapper import volume #################################### # Domain setup #################################### domain = Domain() p0 = Point(0, 0) p1 = Point(1, 0) p2 = Point(2, 0) p3 = Point(2, 1) p4 = Point(1, 1) p5 = Point(0, 1) domain.make_vertex(p0) # Vertex with ID #0 domain.make_vertex(p1) # Vertex with ID #1 domain.make_vertex(p2) # Vertex with ID #2 domain.make_vertex(p3) # Vertex with ID #3 domain.make_vertex(p4) # Vertex with ID #4 domain.make_vertex(p5) # Vertex with ID #5 segmentation = Segmentation(domain) seg0 = segmentation.make_segment() seg1 = segmentation.make_segment() cell_00 = seg0.make_cell(domain.get_vertex(0), domain.get_vertex(1), domain.get_vertex(5)) cell_01 = seg0.make_cell(domain.get_vertex(1), domain.get_vertex(4), domain.get_vertex(5)) cell_10 = seg1.make_cell(domain.get_vertex(1), domain.get_vertex(2), domain.get_vertex(4))
