// create fixed vertex buffer to store mesh vertices
void RenderBlock::
createMeshPositionVBO(int w, int h)
{
int y1 = 0, x1 = 0, y2 = h, x2 = w;
// edge dropout to eliminate visible glitches
if (w>2) x1--, x2++;
if (h>2) y1--, y2++;
std::vector<float> posdata( (x2-x1)*(y2-y1)*4 );
float *pos = &posdata[0];
for(int y=y1; y<y2; y++) {
for(int x=x1; x<x2; x++) {
float u = x / (float) (w-1);
float v = y / (float) (h-1);
*pos++ = u;
*pos++ = 0.0f;
*pos++ = v;
*pos++ = 1.0f;
}
}
_mesh_position.reset( new Vbo( (w+2)*(h+2)*4*sizeof(float), GL_ARRAY_BUFFER, GL_STATIC_DRAW, &posdata[0] ));
}
//-----------------------------------------------------------------------------------------
// Reading cell positions from a file. Out of date.
// NOT USED
//-----------------------------------------------------------------------------------------
void MyVTK::read_cell_positions(QString infileName, QString outfileName, bool savepos)
{
TCpos_list.clear();
// DCpos_list.clear();
// bondpos_list.clear();
QString line, saveline;
QTextStream *out = NULL;
QFile *vtkdata = NULL;
if (savepos) {
vtkdata = new QFile(outfileName);
if (!vtkdata->open(QFile::Append )) {
LOG_MSG("Open failure on vtk file");
return;
}
out = new QTextStream(vtkdata);
}
QFile posdata(infileName);
if (posdata.open(QFile::ReadOnly)) {
QTextStream in(&posdata);
do {
line = in.readLine();
if (line.length() > 0) {
if (savepos) {
*out << line << "\n";
out->flush();
}
saveline = line;
QStringList s = line.split(" ",QString::SkipEmptyParts);
if (s[0].compare("T") == 0) {
CELL_POS cp;
cp.tag = s[1].toInt();
cp.x = s[2].toInt();
cp.y = s[3].toInt();
cp.z = s[4].toInt();
cp.diameter = s[5].toDouble();
cp.state = s[6].toDouble();
TCpos_list.append(cp);
// }
// else if (s[0].compare("D") == 0) {
// CELL_POS cp;
// cp.tag = s[1].toInt();
// cp.x = s[2].toInt();
// cp.y = s[3].toInt();
// cp.z = s[4].toInt();
// cp.diameter = s[5].toDouble();
// cp.state = s[6].toDouble();
// DCpos_list.append(cp);
// } else if (s[0].compare("B") == 0) {
// BOND_POS cp;
// cp.BCtag = s[1].toInt();
// cp.DCtag = s[2].toInt();
// bondpos_list.append(cp);
} else if (s[0].compare("E") == 0) {
break;
}
}
} while (!line.isNull());
}
posdata.close();
if (savepos) {
delete out;
vtkdata->close();
delete vtkdata;
}
if (QFile::exists(infileName)) {
QFile::rename(infileName,"TO_REMOVE");
}
}