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Added utility function to read a xml node into a shot

This commit is contained in:
Paolo Cignoni 2010-07-19 16:23:51 +00:00
parent 1017656a61
commit 1492587430
1 changed files with 51 additions and 0 deletions
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wrap/qt/shot_qt.h Normal file
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#ifndef SHOT_QT_H
#define SHOT_QT_H
/** This function read a shot from a parsed XML node.
*/
template <class ShotType>
bool ReadShotFromQDomNode(
ShotType &shot, /// the shot that will contain the read node
const QDomNode &node /// The XML node to be read)
{
if(QString::compare(node.nodeName(),"CamParam")==0)
{
QDomNamedNodeMap attr = node.attributes();
vcg::Point3d tra;
tra[0] = attr.namedItem("SimTra").nodeValue().section(' ',0,0).toDouble();
tra[1] = attr.namedItem("SimTra").nodeValue().section(' ',1,1).toDouble();
tra[2] = attr.namedItem("SimTra").nodeValue().section(' ',2,2).toDouble();
shot.Extrinsics.SetTra(-tra);
vcg::Matrix44d rot;
QStringList values = attr.namedItem("SimRot").nodeValue().split(" ", QString::SkipEmptyParts);
for(int y = 0; y < 4; y++)
for(int x = 0; x < 4; x++)
rot[y][x] = values[x + 4*y].toDouble();
shot.Extrinsics.SetRot(rot);
vcg::Camera<double> &cam = shot.Intrinsics;
cam.FocalMm = attr.namedItem("Focal").nodeValue().toDouble();
cam.ViewportPx.X() = attr.namedItem("Viewport").nodeValue().section(' ',0,0).toInt();
cam.ViewportPx.Y() = attr.namedItem("Viewport").nodeValue().section(' ',1,1).toInt();
cam.CenterPx[0] = attr.namedItem("Center").nodeValue().section(' ',0,0).toInt();
cam.CenterPx[1] = attr.namedItem("Center").nodeValue().section(' ',1,1).toInt();
cam.PixelSizeMm[0] = attr.namedItem("ScaleF").nodeValue().section(' ',0,0).toDouble();
cam.PixelSizeMm[1] = attr.namedItem("ScaleF").nodeValue().section(' ',1,1).toDouble();
cam.k[0] = attr.namedItem("LensDist").nodeValue().section(' ',0,0).toDouble();
cam.k[1] = attr.namedItem("LensDist").nodeValue().section(' ',1,1).toDouble();
// scale correction
float scorr = attr.namedItem("ScaleCorr").nodeValue().toDouble();
if(scorr != 0.0) {
cam.PixelSizeMm[0] *= scorr;
cam.PixelSizeMm[1] *= scorr;
}
return true;
}
return false;
}
#endif // SHOT_QT_H