- printf ("Number of detectors: %d\n", m_nDet);
- printf (" Number of views: %d\n", m_nView);
- printf (" Remark: %s\n", m_remark.c_str());
- printf (" phmLen: %f\n", m_phmLen);
- printf (" detStart: %f\n", m_detStart);
- printf (" detInc: %f\n", m_detInc);
- printf (" rotStart: %f\n", m_rotStart);
- printf (" rotInc: %f\n", m_rotInc);
+ for (unsigned int ix = 0; ix < ny; ix++) {
+ for (unsigned int iy = 0; iy < ny; iy++) {
+ if (iInterpolationID == POLAR_INTERP_NEAREST) {
+ int iView = nearest<int> (ppdView[ix][iy]);
+ int iDet = nearest<int> (ppdDet[ix][iy]);
+ if (iView == nView) {
+ iView = 0;
+ // iDet = m_nDet - iDet;
+ }
+ if (iDet >= 0 && iDet < nDet && iView >= 0 && iView < nView) {
+ v[ix][iy] = ppcDetValue[iView][iDet].real();
+ if (vImag)
+ vImag[ix][iy] = ppcDetValue[iView][iDet].imag();
+ } else {
+ sys_error (ERR_SEVERE, "Can't find projection data for ix=%d,iy=%d with radView=%f and radDet=%f",
+ ix, iy, ppdView[ix][iy], ppdDet[ix][iy]);
+ v[ix][iy] = 0;
+ }
+ } else if (iInterpolationID == POLAR_INTERP_BILINEAR) {
+ int iFloorView = static_cast<int>(ppdView[ix][iy]);
+ double dFracView = ppdView[ix][iy] - iFloorView;
+ int iFloorDet = static_cast<int>(ppdDet[ix][iy]);
+ double dFracDet = ppdDet[ix][iy] - iFloorDet;
+
+ if (iFloorDet >= 0 && iFloorView >= 0) {
+ std::complex<double> v1 = ppcDetValue[iFloorView][iFloorDet];
+ std::complex<double> v2, v3, v4;
+ if (iFloorView < nView - 1)
+ v2 = ppcDetValue[iFloorView + 1][iFloorDet];
+ else
+ v2 = ppcDetValue[0][iFloorDet];
+ if (iFloorDet < nDet - 1)
+ v4 = ppcDetValue[iFloorView][iFloorDet+1];
+ else
+ v4 = v1;
+ if (iFloorView < nView - 1 && iFloorDet < nDet - 1)
+ v3 = ppcDetValue [iFloorView+1][iFloorDet+1];
+ else if (iFloorView < nView - 1)
+ v3 = v2;
+ else
+ v3 = ppcDetValue[0][iFloorDet+1];
+ std::complex<double> vInterp = (1 - dFracView) * (1 - dFracDet) * v1 +
+ dFracView * (1 - dFracDet) * v2 + dFracView * dFracDet * v3 +
+ dFracDet * (1 - dFracView) * v4;
+ v[ix][iy] = vInterp.real();
+ if (vImag)
+ vImag[ix][iy] = vInterp.imag();
+ } else {
+ sys_error (ERR_SEVERE, "Can't find projection data for ix=%d,iy=%d with radView=%f and radDet=%f",
+ ix, iy, ppdView[ix][iy], ppdDet[ix][iy]);
+ v[ix][iy] = 0;
+ if (vImag)
+ vImag[ix][iy] = 0;
+ }
+ } else if (iInterpolationID == POLAR_INTERP_BICUBIC) {
+ v[ix][iy] =0;
+ if (vImag)
+ vImag[ix][iy] = 0;
+ }
+ }
+ }