You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
58 lines
1.1 KiB
58 lines
1.1 KiB
#include "functions.h"
|
|
|
|
using namespace std;
|
|
using namespace Qwt3D;
|
|
|
|
|
|
void createCone(Qwt3D::TripleField& conepos, Qwt3D::CellField& conecell)
|
|
{
|
|
conepos.clear(); conecell.clear();
|
|
Cell cell;
|
|
|
|
conepos.push_back(Triple(0,0,0));
|
|
|
|
const unsigned int count = 17;
|
|
double r1 = 0.7;
|
|
double r2 = 0.9 * r1;
|
|
|
|
double h1 = 2;
|
|
double h2 = 1.03 * h1;
|
|
|
|
unsigned i;
|
|
|
|
Cell c1;
|
|
// outer top border
|
|
for (i=0; i<count; ++i)
|
|
{
|
|
conepos.push_back(Triple(r1*cos(2*i*Qwt3D::PI/count), r1*sin(2*i*Qwt3D::PI/count),h1));
|
|
}
|
|
// inner top border
|
|
for (i=0; i<count; ++i)
|
|
{
|
|
conepos.push_back(Triple(r2*cos(2*i*Qwt3D::PI/count), r2*sin(2*i*Qwt3D::PI/count),h2));
|
|
c1.push_back(count+i+1);
|
|
}
|
|
// top polygon
|
|
conecell.push_back(c1);
|
|
|
|
// triangles
|
|
Cell c2(3);
|
|
for (i=1; i<count+1; ++i)
|
|
{
|
|
c2[0] = 0;
|
|
c2[1] = i%count +1;
|
|
c2[2] = i;
|
|
conecell.push_back(c2);
|
|
}
|
|
// quadrangles
|
|
c2 = Cell(4);
|
|
for (i=1; i<count+1; ++i)
|
|
{
|
|
c2[0] = i;
|
|
c2[1] = i%count +1;
|
|
c2[2] = count+i%count +1;
|
|
c2[3] = count+i;
|
|
conecell.push_back(c2);
|
|
}
|
|
}
|