mirror of
https://github.com/NGSolve/netgen.git
synced 2024-12-27 22:30:33 +05:00
111 lines
2.2 KiB
C++
111 lines
2.2 KiB
C++
#include <meshing.hpp>
|
|
#include <geometry2d.hpp>
|
|
#include <visual.hpp>
|
|
|
|
#include "vsgeom2d.hpp"
|
|
|
|
namespace netgen
|
|
{
|
|
|
|
|
|
/* *********************** Draw 2D Geometry **************** */
|
|
|
|
|
|
VisualSceneGeometry2d :: VisualSceneGeometry2d ()
|
|
: VisualScene()
|
|
{
|
|
;
|
|
}
|
|
|
|
VisualSceneGeometry2d :: ~VisualSceneGeometry2d ()
|
|
{
|
|
;
|
|
}
|
|
|
|
|
|
|
|
void VisualSceneGeometry2d :: DrawScene ()
|
|
{
|
|
if (changeval != geometry2d->GetSplines().Size())
|
|
BuildScene();
|
|
changeval = geometry2d->GetSplines().Size();
|
|
|
|
|
|
glClearColor(backcolor, backcolor, backcolor, 1.0);
|
|
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
|
|
|
|
SetLight();
|
|
|
|
// glEnable (GL_LIGHT0);
|
|
glDisable (GL_LIGHTING);
|
|
glPushMatrix();
|
|
glMultMatrixf (transformationmat);
|
|
|
|
// SetClippingPlane ();
|
|
|
|
glShadeModel (GL_SMOOTH);
|
|
glEnable (GL_COLOR_MATERIAL);
|
|
glPolygonMode (GL_FRONT_AND_BACK, GL_LINE);
|
|
|
|
// float mat_col[] = { 0, 0, 1, 1 };
|
|
// glMaterialfv (GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, mat_col);
|
|
glColor3f (0, 0, 1);
|
|
|
|
|
|
Array<Point<2> > points, otherpoints;
|
|
|
|
for (int i = 1; i <= geometry2d->GetSplines().Size(); i++)
|
|
{
|
|
geometry2d->GetSplines().Get(i)->GetPoints (20, points);
|
|
|
|
glBegin (GL_LINE_STRIP);
|
|
for (int j = 0; j < points.Size(); j++)
|
|
glVertex3d (points[j](0), points[j](1), 0);
|
|
glEnd();
|
|
}
|
|
|
|
glColor3f (1, 0, 0);
|
|
|
|
for (int i = 1; i <= geometry2d->GetSplines().Size(); i++)
|
|
{
|
|
int other = geometry2d->GetSpline(i-1).copyfrom;
|
|
if (other != -1)
|
|
{
|
|
geometry2d->GetSplines().Get(i)->GetPoints (6, points);
|
|
geometry2d->GetSplines().Get(other)->GetPoints (6, otherpoints);
|
|
glBegin (GL_LINES);
|
|
for (int j = 1; j < 5; j++)
|
|
{
|
|
glVertex3d (points[j](0), points[j](1), 0);
|
|
glVertex3d (otherpoints[j](0), otherpoints[j](1), 0);
|
|
}
|
|
glEnd ();
|
|
}
|
|
}
|
|
|
|
|
|
|
|
glPopMatrix();
|
|
|
|
DrawCoordinateCross ();
|
|
DrawNetgenLogo ();
|
|
|
|
glFinish();
|
|
}
|
|
|
|
|
|
void VisualSceneGeometry2d :: BuildScene (int zoomall)
|
|
{
|
|
Box<2> bbox;
|
|
|
|
geometry2d->GetBoundingBox (bbox);
|
|
|
|
Point<2> c = Center (bbox.PMin(), bbox.PMax());
|
|
|
|
center = Point3d (c(0), c(1), 0);
|
|
rad = Dist (bbox.PMin(), bbox.PMax()) / 2;
|
|
|
|
CalcTransformationMatrices();
|
|
}
|
|
}
|