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Added binary serialization of the Camera data 

Binary serialization using Base64 encoding of the data
This commit is contained in:
Gianpaolo Palma 2017-11-27 13:27:32 +01:00
parent 4cfb4c3744
commit 91b8a61d42
1 changed files with 93 additions and 22 deletions
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99
wrap/qt/shot_qt.h
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@ -16,31 +16,55 @@ template <class ShotType>
if(QString::compare(node.nodeName(),"VCGCamera")==0) if(QString::compare(node.nodeName(),"VCGCamera")==0)
{ {
QDomNamedNodeMap attr = node.attributes(); QDomNamedNodeMap attr = node.attributes();
if (attr.contains("BinaryData") && attr.namedItem("BinaryData").nodeValue().toInt() == 1)
{
Point3x tra; Point3x tra;
tra[0] = attr.namedItem("TranslationVector").nodeValue().section(' ',0,0).toDouble(); QString str = attr.namedItem("TranslationVector").nodeValue();
tra[1] = attr.namedItem("TranslationVector").nodeValue().section(' ',1,1).toDouble(); QByteArray value = QByteArray::fromBase64(str.toLocal8Bit());
tra[2] = attr.namedItem("TranslationVector").nodeValue().section(' ',2,2).toDouble(); memcpy(tra.V(), value.data(), sizeof(ScalarType) * 3);
shot.Extrinsics.SetTra(-tra);
vcg::Matrix44<ScalarType> rot;
str = attr.namedItem("RotationMatrix").nodeValue();
value = QByteArray::fromBase64(str.toLocal8Bit());
memcpy(rot.V(), value.data(), sizeof(ScalarType) * 16);
shot.Extrinsics.SetRot(rot);
vcg::Camera<ScalarType> &cam = shot.Intrinsics;
if (attr.contains("CameraType")) cam.cameraType = attr.namedItem("CameraType").nodeValue().toInt();
memcpy(&cam.FocalMm, QByteArray::fromBase64(attr.namedItem("FocalMm").nodeValue().toLocal8Bit()).data(), sizeof(ScalarType));
memcpy(&cam.ViewportPx, QByteArray::fromBase64(attr.namedItem("ViewportPx").nodeValue().toLocal8Bit()).data(), sizeof(int) * 2);
memcpy(&cam.CenterPx, QByteArray::fromBase64(attr.namedItem("CenterPx").nodeValue().toLocal8Bit()).data(), sizeof(ScalarType)*2);
memcpy(&cam.PixelSizeMm, QByteArray::fromBase64(attr.namedItem("PixelSizeMm").nodeValue().toLocal8Bit()).data(), sizeof(ScalarType) * 2);
memcpy(&cam.k, QByteArray::fromBase64(attr.namedItem("LensDistortion").nodeValue().toLocal8Bit()).data(), sizeof(ScalarType) * 2);
}
else
{
Point3x tra;
tra[0] = attr.namedItem("TranslationVector").nodeValue().section(' ', 0, 0).toDouble();
tra[1] = attr.namedItem("TranslationVector").nodeValue().section(' ', 1, 1).toDouble();
tra[2] = attr.namedItem("TranslationVector").nodeValue().section(' ', 2, 2).toDouble();
shot.Extrinsics.SetTra(-tra); shot.Extrinsics.SetTra(-tra);
vcg::Matrix44<ScalarType> rot; vcg::Matrix44<ScalarType> rot;
QStringList values = attr.namedItem("RotationMatrix").nodeValue().split(" ", QString::SkipEmptyParts); QStringList values = attr.namedItem("RotationMatrix").nodeValue().split(" ", QString::SkipEmptyParts);
for(int y = 0; y < 4; y++) for (int y = 0; y < 4; y++)
for(int x = 0; x < 4; x++) for (int x = 0; x < 4; x++)
rot[y][x] = values[x + 4*y].toDouble(); rot[y][x] = values[x + 4 * y].toDouble();
shot.Extrinsics.SetRot(rot); shot.Extrinsics.SetRot(rot);
vcg::Camera<ScalarType> &cam = shot.Intrinsics; vcg::Camera<ScalarType> &cam = shot.Intrinsics;
if(attr.contains("CameraType")) cam.cameraType = attr.namedItem("CameraType").nodeValue().toInt(); if (attr.contains("CameraType")) cam.cameraType = attr.namedItem("CameraType").nodeValue().toInt();
cam.FocalMm = attr.namedItem("FocalMm").nodeValue().toDouble(); cam.FocalMm = attr.namedItem("FocalMm").nodeValue().toDouble();
cam.ViewportPx.X() = attr.namedItem("ViewportPx").nodeValue().section(' ',0,0).toInt(); cam.ViewportPx.X() = attr.namedItem("ViewportPx").nodeValue().section(' ', 0, 0).toInt();
cam.ViewportPx.Y() = attr.namedItem("ViewportPx").nodeValue().section(' ',1,1).toInt(); cam.ViewportPx.Y() = attr.namedItem("ViewportPx").nodeValue().section(' ', 1, 1).toInt();
cam.CenterPx[0] = attr.namedItem("CenterPx").nodeValue().section(' ', 0, 0).toDouble(); cam.CenterPx[0] = attr.namedItem("CenterPx").nodeValue().section(' ', 0, 0).toDouble();
cam.CenterPx[1] = attr.namedItem("CenterPx").nodeValue().section(' ', 1, 1).toDouble(); cam.CenterPx[1] = attr.namedItem("CenterPx").nodeValue().section(' ', 1, 1).toDouble();
cam.PixelSizeMm[0] = attr.namedItem("PixelSizeMm").nodeValue().section(' ',0,0).toDouble(); cam.PixelSizeMm[0] = attr.namedItem("PixelSizeMm").nodeValue().section(' ', 0, 0).toDouble();
cam.PixelSizeMm[1] = attr.namedItem("PixelSizeMm").nodeValue().section(' ',1,1).toDouble(); cam.PixelSizeMm[1] = attr.namedItem("PixelSizeMm").nodeValue().section(' ', 1, 1).toDouble();
cam.k[0] = attr.namedItem("LensDistortion").nodeValue().section(' ',0,0).toDouble(); cam.k[0] = attr.namedItem("LensDistortion").nodeValue().section(' ', 0, 0).toDouble();
cam.k[1] = attr.namedItem("LensDistortion").nodeValue().section(' ',1,1).toDouble(); cam.k[1] = attr.namedItem("LensDistortion").nodeValue().section(' ', 1, 1).toDouble();
}
// scale correction should no more exist !!! // scale correction should no more exist !!!
// float scorr = attr.namedItem("ScaleCorr").nodeValue().toDouble(); // float scorr = attr.namedItem("ScaleCorr").nodeValue().toDouble();
// if(scorr != 0.0) { // if(scorr != 0.0) {
@ -120,6 +144,7 @@ template <class ShotType>
const vcg::Camera<ScalarType> &cam = shot.Intrinsics; const vcg::Camera<ScalarType> &cam = shot.Intrinsics;
shotElem.setAttribute("CameraType", cam.cameraType); shotElem.setAttribute("CameraType", cam.cameraType);
shotElem.setAttribute("BinaryData", 0);
shotElem.setAttribute( "FocalMm", cam.FocalMm); shotElem.setAttribute( "FocalMm", cam.FocalMm);
@ -142,4 +167,50 @@ template <class ShotType>
} }
template <class ShotType>
QDomElement WriteShotToQDomNodeBinary(
const ShotType &shot, /// the shot to be written node
QDomDocument &doc) /// The XML node to be read
{
typedef typename ShotType::ScalarType ScalarType;
QDomElement shotElem = doc.createElement("VCGCamera");
vcg::Point3<ScalarType> tra = -(shot.Extrinsics.Tra());
QByteArray value = QByteArray::fromRawData((char *)tra.V(), sizeof(ScalarType) * 3).toBase64();
shotElem.setAttribute("TranslationVector", QString(value));
vcg::Matrix44<ScalarType> rot = shot.Extrinsics.Rot();
value = QByteArray::fromRawData((char *)rot.V(), sizeof(ScalarType) * 16).toBase64();
shotElem.setAttribute("RotationMatrix", QString(value));
const vcg::Camera<ScalarType> &cam = shot.Intrinsics;
shotElem.setAttribute("CameraType", cam.cameraType);
shotElem.setAttribute("BinaryData", 1);
value = QByteArray::fromRawData((char *)&cam.FocalMm, sizeof(ScalarType)).toBase64();
shotElem.setAttribute("FocalMm", QString(value));
value = QByteArray::fromRawData((char *)&cam.k, sizeof(ScalarType) * 2).toBase64();
shotElem.setAttribute("LensDistortion", QString(value));
value = QByteArray::fromRawData((char *)&cam.PixelSizeMm, sizeof(ScalarType) * 2).toBase64();
shotElem.setAttribute("PixelSizeMm", QString(value));
value = QByteArray::fromRawData((char *)&cam.ViewportPx, sizeof(int) * 2).toBase64();
shotElem.setAttribute("ViewportPx", QString(value));
//str = QString("%1 %2").arg(cam.CenterPx[0]).arg(cam.CenterPx[1]);
value = QByteArray::fromRawData((char *)&cam.CenterPx, sizeof(ScalarType) * 2).toBase64();
shotElem.setAttribute("CenterPx", QString(value));
//scale correction should no more exist !!!
//str = QString("%1").arg((double) 1);
//shotElem.setAttribute( "ScaleCorr", str);
return shotElem;
}
#endif // SHOT_QT_H #endif // SHOT_QT_H