mod_cg2_polygon Module Reference

Data Types
interface	initialize
type	t_polygon
	Definition of a bi-dimensional polygon. More...
interface	unalloc

Functions/Subroutines
pure subroutine	cg2_initialize_polygon (polygon, n)
	Initialize the polygon structure.
elemental subroutine	cg2_finalize_polygon (polygon)
	Finalize the polygon structure.
double precision elemental function	cg2_polygon_volume (polygon)
	Compute the area of a polygon.
pure subroutine	cg2_polygon_centroid (polygon, centroid, volume)
	Compute the centroid of a polygon.
integer pure function	cg2_polygon_winding_number (polygon, point)
	Compute the winding number of a point in a polygon.
integer pure function	cg2_polygon_winding_number_with_boundary (polygon, point)
	Compute the winding number of a point in a polygon including its boundary.
pure subroutine	cg2_split_quad_in_triangles (quad, triangle1, triangle2)
	Split a quadrilateral in two triangles.
pure subroutine	cg2_copy_polygon (original, copy)
	Make a copy of a polygon.
elemental subroutine	cg2_move_alloc_polygon (polygon1, polygon2)
	Move the allocation of a given polygon to another polygon.
subroutine	cg2_polygon_write_vtk_file (polygon, filename)
	Print a polygon into a VTK file for debug purpose.