Backed out changeset ec2a74c86e53
This commit is contained in:
Alberto Griggio
parent
84ff861934
commit
dd14de75f6
167
rtengine/lcp.cc
167
rtengine/lcp.cc
@ -492,103 +492,96 @@ void LCPProfile::calcParams(int mode, float focalLength, float focusDist, float
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float focalLengthLog = log(focalLength); //, apertureLog=aperture>0 ? log(aperture) : 0;
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float focusDistLog = focusDist > 0 ? log(focusDist) + euler : 0;
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if (mode > 0) {
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// matching logic taken from lensfun-convert-lcp
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// see https://github.com/lensfun/lensfun
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std::map<float, LCPPersModel *> m;
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for (int pm = 0; pm < persModelCount; pm++) {
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auto cur = aPersModel[pm];
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if (cur->hasModeData(mode)) {
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float f = cur->focLen;
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auto it = m.find(f);
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if (it == m.end()) {
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m[f] = cur;
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} else {
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auto prev = it->second;
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float curdist = cur->focDist ? cur->focDist : -1;
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float prevdist = prev->focDist ? prev->focDist : -2;
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if (curdist > prevdist) {
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float curaper = cur->aperture > 0 ? cur->aperture : 1000;
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float prevaper = prev->aperture > 0 ? prev->aperture : 1000;
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if (std::abs(curaper - 8) < std::abs(prevaper - 8)) {
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m[f] = cur;
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}
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}
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}
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// Pass 1: determining best focal length, if possible different focusDistances (for the focDist is not given case)
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for (int pm = 0; pm < persModelCount; pm++) {
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float f = aPersModel[pm]->focLen;
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if (aPersModel[pm]->hasModeData(mode)) {
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if (f <= focalLength && (pLow == nullptr || f > pLow->focLen || (focusDist == 0 && f == pLow->focLen && pLow->focDist > aPersModel[pm]->focDist))) {
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pLow = aPersModel[pm];
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}
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if (f >= focalLength && (pHigh == nullptr || f < pHigh->focLen || (focusDist == 0 && f == pHigh->focLen && pHigh->focDist < aPersModel[pm]->focDist))) {
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pHigh = aPersModel[pm];
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}
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}
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auto it = m.lower_bound(focalLength);
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if (it != m.end()) {
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pLow = it->second;
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}
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it = m.upper_bound(focalLength);
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if (it != m.end()) {
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pHigh = it->second;
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}
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if ((pLow == nullptr) != (pHigh == nullptr)) {
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pLow = pHigh;
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}
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}
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if (!pLow) {
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pLow = pHigh;
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} else if (!pHigh) {
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pHigh = pLow;
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} else {
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// Pass 1: determining best focal length, if possible different focusDistances (for the focDist is not given case)
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// Pass 2: We have some, so take the best aperture for vignette and best focus for CA and distortion
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// there are usually several frame per focal length. In the end pLow will have both flen and apterure/focdis below the target,
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// and vice versa pHigh
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float bestFocLenLow = pLow->focLen, bestFocLenHigh = pHigh->focLen;
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for (int pm = 0; pm < persModelCount; pm++) {
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float f = aPersModel[pm]->focLen;
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float aper = aPersModel[pm]->aperture; // float aperLog=log(aper);
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float focDist = aPersModel[pm]->focDist;
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float focDistLog = log(focDist) + euler;
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double meanErr;
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if (aPersModel[pm]->hasModeData(mode)) {
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if (f <= focalLength && (pLow == nullptr || f > pLow->focLen || (focusDist == 0 && f == pLow->focLen && pLow->focDist > aPersModel[pm]->focDist))) {
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pLow = aPersModel[pm];
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double lowMeanErr, highMeanErr;
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switch (mode) {
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case 0:
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meanErr = aPersModel[pm]->vignette.mean_error;
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lowMeanErr = pLow->vignette.mean_error;
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highMeanErr = pHigh->vignette.mean_error;
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break;
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case 1:
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meanErr = aPersModel[pm]->base.mean_error;
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lowMeanErr = pLow->base.mean_error;
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highMeanErr = pHigh->base.mean_error;
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break;
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default: //case 2:
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meanErr = aPersModel[pm]->chromG.mean_error;
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lowMeanErr = pLow->chromG.mean_error;
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highMeanErr = pHigh->chromG.mean_error;
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break;
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}
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if (f >= focalLength && (pHigh == nullptr || f < pHigh->focLen || (focusDist == 0 && f == pHigh->focLen && pHigh->focDist < aPersModel[pm]->focDist))) {
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pHigh = aPersModel[pm];
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}
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}
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}
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if (!pLow) {
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pLow = pHigh;
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} else if (!pHigh) {
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pHigh = pLow;
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} else {
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// Pass 2: We have some, so take the best aperture for vignette and best focus for CA and distortion
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// there are usually several frame per focal length. In the end pLow will have both flen and apterure/focdis below the target,
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// and vice versa pHigh
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float bestFocLenLow = pLow->focLen, bestFocLenHigh = pHigh->focLen;
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for (int pm = 0; pm < persModelCount; pm++) {
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float aper = aPersModel[pm]->aperture; // float aperLog=log(aper);
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// float focDist = aPersModel[pm]->focDist;
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// float focDistLog = log(focDist) + euler;
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if (aPersModel[pm]->hasModeData(mode)) {
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double meanErr = aPersModel[pm]->vignette.mean_error;
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double lowMeanErr = pLow->vignette.mean_error;
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double highMeanErr = pHigh->vignette.mean_error;
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if (aperture > 0) {
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if (aPersModel[pm]->focLen == bestFocLenLow && (
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(aper == aperture && lowMeanErr > meanErr)
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|| (aper >= aperture && aper < pLow->aperture && pLow->aperture > aperture)
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if (aperture > 0 && mode != 2) {
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if (aPersModel[pm]->focLen == bestFocLenLow && (
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(aper == aperture && lowMeanErr > meanErr)
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|| (aper >= aperture && aper < pLow->aperture && pLow->aperture > aperture)
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|| (aper <= aperture && (pLow->aperture > aperture || fabs(aperture - aper) < fabs(aperture - pLow->aperture))))) {
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pLow = aPersModel[pm];
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}
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if (aPersModel[pm]->focLen == bestFocLenHigh && (
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(aper == aperture && highMeanErr > meanErr)
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|| (aper <= aperture && aper > pHigh->aperture && pHigh->aperture < aperture)
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|| (aper >= aperture && (pHigh->aperture < aperture || fabs(aperture - aper) < fabs(aperture - pHigh->aperture))))) {
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pHigh = aPersModel[pm];
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}
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} else {
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// no focus distance available, just error
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if (aPersModel[pm]->focLen == bestFocLenLow && lowMeanErr > meanErr) {
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pLow = aPersModel[pm];
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}
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if (aPersModel[pm]->focLen == bestFocLenHigh && highMeanErr > meanErr) {
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pHigh = aPersModel[pm];
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}
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pLow = aPersModel[pm];
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}
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if (aPersModel[pm]->focLen == bestFocLenHigh && (
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(aper == aperture && highMeanErr > meanErr)
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|| (aper <= aperture && aper > pHigh->aperture && pHigh->aperture < aperture)
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|| (aper >= aperture && (pHigh->aperture < aperture || fabs(aperture - aper) < fabs(aperture - pHigh->aperture))))) {
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pHigh = aPersModel[pm];
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}
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} else if (focusDist > 0 && mode != 0) {
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// by focus distance
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if (aPersModel[pm]->focLen == bestFocLenLow && (
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(focDist == focusDist && lowMeanErr > meanErr)
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|| (focDist >= focusDist && focDist < pLow->focDist && pLow->focDist > focusDist)
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|| (focDist <= focusDist && (pLow->focDist > focusDist || fabs(focusDistLog - focDistLog) < fabs(focusDistLog - (log(pLow->focDist) + euler)))))) {
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pLow = aPersModel[pm];
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}
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if (aPersModel[pm]->focLen == bestFocLenHigh && (
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(focDist == focusDist && highMeanErr > meanErr)
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|| (focDist <= focusDist && focDist > pHigh->focDist && pHigh->focDist < focusDist)
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|| (focDist >= focusDist && (pHigh->focDist < focusDist || fabs(focusDistLog - focDistLog) < fabs(focusDistLog - (log(pHigh->focDist) + euler)))))) {
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pHigh = aPersModel[pm];
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}
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} else {
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// no focus distance available, just error
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if (aPersModel[pm]->focLen == bestFocLenLow && lowMeanErr > meanErr) {
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pLow = aPersModel[pm];
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}
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if (aPersModel[pm]->focLen == bestFocLenHigh && highMeanErr > meanErr) {
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pHigh = aPersModel[pm];
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}
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}
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}
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}
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}
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