1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
|
#include <gmsh.h>
#include <set>
int main(int argc, char **argv)
{
gmsh::initialize(argc, argv);
gmsh::model::add("spline");
for(unsigned int i = 1; i < 11; i++)
gmsh::model::occ::addPoint(i + 1, sin(i / 9. * 2. * M_PI), 0, 0.1, i);
gmsh::model::occ::addSpline({1, 2, 3, 4, 5, 6, 7, 8, 9, 10}, 1);
gmsh::model::occ::addBSpline({1, 2, 3, 4, 5, 6, 7, 8, 9, 10}, 2);
gmsh::model::occ::addBezier({1, 2, 3, 4, 5, 6, 7, 8, 9, 10}, 3);
gmsh::model::occ::addPoint(0.2, -1.6, 0, 0.1, 101);
gmsh::model::occ::addPoint(1.2, -1.6, 0, 0.1, 102);
gmsh::model::occ::addPoint(1.2, -1.1, 0, 0.1, 103);
gmsh::model::occ::addPoint(0.3, -1.1, 0, 0.1, 104);
gmsh::model::occ::addPoint(0.7, -1, 0, 0.1, 105);
// periodic bspline through the control points
gmsh::model::occ::addSpline({103, 102, 101, 104, 105, 103}, 100);
// periodic bspline from given control points and default parameters - will
// create a new vertex
gmsh::model::occ::addBSpline({103, 102, 101, 104, 105, 103}, 101);
// general bspline with explicit degree, knots and multiplicities
gmsh::model::occ::addPoint(0, -2, 0, 0.1, 201);
gmsh::model::occ::addPoint(1, -2, 0, 0.1, 202);
gmsh::model::occ::addPoint(1, -3, 0, 0.1, 203);
gmsh::model::occ::addPoint(0, -3, 0, 0.1, 204);
gmsh::model::occ::addBSpline({201, 202, 203, 204}, 200, 2, {}, {0, 0.5, 1},
{3, 1, 3});
gmsh::model::occ::synchronize();
std::set<std::string> args(argv, argv + argc);
if(!args.count("-nopopup")) gmsh::fltk::run();
gmsh::finalize();
return 0;
}
|
