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// Copyright (C) 1999-2018
// Smithsonian Astrophysical Observatory, Cambridge, MA, USA
// For conditions of distribution and use, see copyright notice in "copyright"
#include "fitsimage.h"
#include "context.h"
// Map Point
Vector FitsImage::mapFromRef(const Vector& vv, Coord::CoordSystem out,
Coord::SkyFrame sky)
{
switch (out) {
case Coord::IMAGE:
return vv * refToImage;
case Coord::PHYSICAL:
return vv * refToPhysical;
case Coord::AMPLIFIER:
return vv * refToAmplifier;
case Coord::DETECTOR:
return vv * refToDetector;
default:
if (hasWCS(out))
return pix2wcs(vv * refToImage, out, sky);
}
return Vector();
}
void FitsImage::mapFromRef(const Vector& vv, Coord::CoordSystem out,
Coord::SkyFrame sky, Coord::SkyFormat format,
char* buf)
{
if (hasWCS(out))
pix2wcs(vv * refToImage, out, sky, format, buf);
else
strcpy(buf,"");
}
VectorStr FitsImage::mapFromRef(const Vector& vv, Coord::CoordSystem out,
Coord::SkyFrame sky, Coord::SkyFormat format)
{
if (hasWCS(out))
return pix2wcs(vv * refToImage, out, sky, format);
else
return VectorStr();
}
Vector FitsImage::mapToRef(const Vector& vv, Coord::CoordSystem in,
Coord::SkyFrame sky)
{
switch (in) {
case Coord::IMAGE:
return vv * imageToRef;
case Coord::PHYSICAL:
return vv * physicalToRef;
case Coord::AMPLIFIER:
return vv * amplifierToRef;
case Coord::DETECTOR:
return vv * detectorToRef;
default:
if (hasWCS(in))
return wcs2pix(vv, in, sky) * imageToRef;
}
// special case for parsing regions files
maperr =1;
return Vector();
}
Vector3d FitsImage::mapFromRef(const Vector3d& vv, Coord::CoordSystem out,
Coord::SkyFrame sky)
{
switch (out) {
case Coord::IMAGE:
case Coord::PHYSICAL:
case Coord::AMPLIFIER:
case Coord::DETECTOR:
return vv * refToImage3d;
default:
if (hasWCS(out))
return pix2wcs(vv * refToImage3d, out, sky);
}
return Vector3d();
}
Vector3d FitsImage::mapToRef(const Vector3d& vv, Coord::CoordSystem in,
Coord::SkyFrame sky)
{
switch (in) {
case Coord::IMAGE:
case Coord::PHYSICAL:
case Coord::AMPLIFIER:
case Coord::DETECTOR:
return vv * imageToRef3d;
default:
if (hasWCS(in))
return wcs2pix(vv, in, sky) * imageToRef3d;
}
return Vector3d();
}
void FitsImage::listFromRef(ostream& str, const Vector& vv,
Coord::CoordSystem sys, Coord::SkyFrame sky,
Coord::SkyFormat format)
{
switch (sys) {
case Coord::IMAGE:
case Coord::PHYSICAL:
case Coord::DETECTOR:
case Coord::AMPLIFIER:
str << setprecision(context_->parent_->precLinear_) << mapFromRef(vv, sys);
break;
default:
str << mapFromRef(vv,sys,sky,format);
break;
}
}
void FitsImage::listFromRef(ostream& str1, ostream& str2, const Vector& vv,
Coord::CoordSystem sys, Coord::SkyFrame sky,
Coord::SkyFormat format)
{
switch (sys) {
case Coord::IMAGE:
case Coord::PHYSICAL:
case Coord::DETECTOR:
case Coord::AMPLIFIER:
{
Vector rr = mapFromRef(vv, sys);
str1 << setprecision(context_->parent_->precLinear_) << rr[0];
str2 << setprecision(context_->parent_->precLinear_) << rr[1];
}
break;
default:
{
char buf[128];
char* bptr = buf;
mapFromRef(vv,sys,sky,format,buf);
// lon
char* lonptr = buf;
while (*bptr && *bptr != ' ')
bptr++;
*bptr = '\0';
// lat
bptr++;
char* latptr = bptr;
while (*bptr && *bptr != ' ')
bptr++;
*bptr = '\0';
str1 << lonptr;
str2 << latptr;
}
}
}
// Map Length
Vector FitsImage::mapLen(const Vector& vv, const Matrix& mx)
{
// imageToPhysical/Amplifier/Dector have no rotation, only scale/translation
// just grap scale
return vv*Scale(mx);
// remove translation
// Vector tt = Vector() * mx;
// Matrix sr = mx * Translate(-tt);
// remove rotation
// Vector rr = Vector(1,0) * sr;
// Matrix ss = sr * Rotate(rr.angle());
// all that is left is Scaling
// return (vv*ss).abs();
}
double FitsImage::mapLenFromRef(double dd, Coord::CoordSystem sys,
Coord::DistFormat dist)
{
Vector rr = mapLenFromRef(Vector(0,dd),sys,dist);
return rr[1];
}
Vector FitsImage::mapLenFromRef(const Vector& vv, Coord::CoordSystem sys,
Coord::DistFormat dist)
{
switch (sys) {
case Coord::IMAGE:
return mapLen(vv,refToImage);
case Coord::PHYSICAL:
return mapLen(vv,refToPhysical);
case Coord::AMPLIFIER:
return mapLen(vv,refToPhysical * physicalToAmplifier);
case Coord::DETECTOR:
return mapLen(vv,refToPhysical * physicalToDetector);
default:
if (hasWCS(sys)) {
Vector out = vv*getWCSSize(sys);
if (hasWCSCel(sys)) {
switch (dist) {
case Coord::DEGREE:
break;
case Coord::ARCMIN:
out *= 60;
break;
case Coord::ARCSEC:
out *=60*60;
break;
}
}
return out;
}
}
return Vector();
}
double FitsImage::mapLenToRef(double dd, Coord::CoordSystem sys,
Coord::DistFormat dist)
{
Vector rr = mapLenToRef(Vector(0,dd), sys, dist);
return rr[1];
}
Vector FitsImage::mapLenToRef(const Vector& vv, Coord::CoordSystem sys,
Coord::DistFormat dist)
{
switch (sys) {
case Coord::IMAGE:
return mapLen(vv,imageToRef);
case Coord::PHYSICAL:
return mapLen(vv,physicalToRef);
case Coord::AMPLIFIER:
return mapLen(vv,amplifierToPhysical * physicalToRef);
case Coord::DETECTOR:
return mapLen(vv,detectorToPhysical * physicalToRef);
default:
if (hasWCS(sys)) {
Vector out = vv/getWCSSize(sys);
if (hasWCSCel(sys)) {
switch (dist) {
case Coord::DEGREE:
break;
case Coord::ARCMIN:
out /= 60;
break;
case Coord::ARCSEC:
out /= 60*60;
break;
}
}
return out;
}
}
return Vector();
}
void FitsImage::listLenFromRef(ostream& str, double dd,
Coord::CoordSystem sys, Coord::DistFormat dist)
{
double out = mapLenFromRef(dd, sys, dist);
switch (sys) {
case Coord::IMAGE:
case Coord::PHYSICAL:
case Coord::DETECTOR:
case Coord::AMPLIFIER:
str << setprecision(context_->parent_->precLenLinear_) << out;
break;
default:
if (hasWCS(sys)) {
if (hasWCSCel(sys)) {
switch (dist) {
case Coord::DEGREE:
str << setprecision(context_->parent_->precLenDeg_);
break;
case Coord::ARCMIN:
str << setprecision(context_->parent_->precArcmin_);
break;
case Coord::ARCSEC:
str << setprecision(context_->parent_->precArcsec_);
break;
}
str << fixed << out;
str.unsetf(ios_base::floatfield);
}
else
str << setprecision(context_->parent_->precLenLinear_) << out;
}
else
str << "0";
}
}
void FitsImage::listLenFromRef(ostream& str, const Vector& vv,
Coord::CoordSystem sys, Coord::DistFormat dist)
{
Vector out = mapLenFromRef(vv, sys, dist);
switch (sys) {
case Coord::IMAGE:
case Coord::PHYSICAL:
case Coord::DETECTOR:
case Coord::AMPLIFIER:
str << setprecision(context_->parent_->precLenLinear_) << out;
break;
default:
if (hasWCS(sys)) {
if (hasWCSCel(sys)) {
switch (dist) {
case Coord::DEGREE:
str << setprecision(context_->parent_->precLenDeg_);
break;
case Coord::ARCMIN:
str << setprecision(context_->parent_->precArcmin_);
break;
case Coord::ARCSEC:
str << setprecision(context_->parent_->precArcsec_);
break;
}
str << fixed << out;
str.unsetf(ios_base::floatfield);
}
else
str << setprecision(context_->parent_->precLenLinear_) << out;
}
else
str << "0 0";
}
}
void FitsImage::listLenFromRef(ostream& str1, ostream& str2,
const Vector& vv,
Coord::CoordSystem sys, Coord::DistFormat dist)
{
Vector out = mapLenFromRef(vv, sys, dist);
switch (sys) {
case Coord::IMAGE:
case Coord::PHYSICAL:
case Coord::DETECTOR:
case Coord::AMPLIFIER:
str1 << setprecision(context_->parent_->precLenLinear_) << out[0];
str2 << setprecision(context_->parent_->precLenLinear_) << out[1];
break;
default:
if (hasWCS(sys)) {
if (hasWCSCel(sys)) {
switch (dist) {
case Coord::DEGREE:
str1 << setprecision(context_->parent_->precLenDeg_);
str2 << setprecision(context_->parent_->precLenDeg_);
break;
case Coord::ARCMIN:
str1 << setprecision(context_->parent_->precArcmin_);
str2 << setprecision(context_->parent_->precArcmin_);
break;
case Coord::ARCSEC:
str1 << setprecision(context_->parent_->precArcsec_);
str2 << setprecision(context_->parent_->precArcsec_);
break;
}
str1 << fixed << out[0];
str2 << fixed << out[1];
str1.unsetf(ios_base::floatfield);
str2.unsetf(ios_base::floatfield);
}
else {
str1 << setprecision(context_->parent_->precLenLinear_) << out[0];
str2 << setprecision(context_->parent_->precLenLinear_) << out[1];
}
}
else {
str1 << "0";
str2 << "0";
}
}
}
// Map Distance
double FitsImage::mapDistFromRef(const Vector& vv1, const Vector& vv2,
Coord::CoordSystem sys, Coord::DistFormat dist)
{
switch (sys) {
case Coord::IMAGE:
{
Vector v1 = vv1 * refToImage;
Vector v2 = vv2 * refToImage;
return (v2-v1).length();
}
case Coord::PHYSICAL:
{
Vector v1 = vv1 * refToPhysical;
Vector v2 = vv2 * refToPhysical;
return (v2-v1).length();
}
case Coord::AMPLIFIER:
{
Vector v1 = vv1 * refToPhysical * physicalToAmplifier;
Vector v2 = vv2 * refToPhysical * physicalToAmplifier;
return (v2-v1).length();
}
case Coord::DETECTOR:
{
Vector v1 = vv1 * refToPhysical * physicalToDetector;
Vector v2 = vv2 * refToPhysical * physicalToDetector;
return (v2-v1).length();
}
default:
if (hasWCS(sys)) {
Vector v1 = pix2wcs(vv1 * refToImage, sys, Coord::FK5);
Vector v2 = pix2wcs(vv2 * refToImage, sys, Coord::FK5);
double rr = getWCSDist(v1,v2,sys);
if (hasWCSCel(sys)) {
switch (dist) {
case Coord::DEGREE:
break;
case Coord::ARCMIN:
rr *= 60;
break;
case Coord::ARCSEC:
rr *= 60*60;
break;
}
}
return rr;
}
}
return 0;
}
void FitsImage::listDistFromRef(ostream& str,
const Vector& vv1, const Vector& vv2,
Coord::CoordSystem sys, Coord::DistFormat dist)
{
double out = mapDistFromRef(vv1, vv2, sys, dist);
switch (sys) {
case Coord::IMAGE:
case Coord::PHYSICAL:
case Coord::DETECTOR:
case Coord::AMPLIFIER:
str << setprecision(context_->parent_->precLenLinear_) << out;
break;
default:
if (hasWCS(sys)) {
if (hasWCSCel(sys)) {
switch (dist) {
case Coord::DEGREE:
str << setprecision(context_->parent_->precLenDeg_);
break; case Coord::ARCMIN:
str << setprecision(context_->parent_->precArcmin_);
break;
case Coord::ARCSEC:
str << setprecision(context_->parent_->precArcsec_);
break;
}
str << fixed << out;
str.unsetf(ios_base::floatfield);
}
else
str << setprecision(context_->parent_->precLenLinear_) << out;
}
else
str << "0 0";
}
}
// 3D
double FitsImage::mapFromImage3d(double dd, Coord::CoordSystem sys)
{
if (hasWCS(sys)) {
Vector3d cc(center(),dd);
Vector3d rr = pix2wcs(cc,sys,Coord::FK5);
return rr[2];
}
else
return dd;
}
double FitsImage::mapToImage3d(double dd, Coord::CoordSystem sys)
{
if (hasWCS(sys)) {
Vector3d cc(center(),1);
Vector3d wcc = pix2wcs(cc,sys,Coord::FK5);
Vector3d rr = wcs2pix(Vector3d(wcc[0],wcc[1],dd),sys,Coord::FK5);
return rr[2];
}
else
return dd;
}
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