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// Copyright (C) 1999-2016
// Smithsonian Astrophysical Observatory, Cambridge, MA, USA
// For conditions of distribution and use, see copyright notice in "copyright"
#include "context.h"
#include "framebase.h"
#include "fitsimage.h"
double Base::mapAngleFromRef(double angle, Coord::CoordSystem sys, Coord::SkyFrame sky)
{
double rr = angle;
FitsImage* ptr = currentContext->cfits;
if (!ptr)
return 0;
switch (sys) {
case Coord::IMAGE:
case Coord::PHYSICAL:
case Coord::DETECTOR:
case Coord::AMPLIFIER:
break;
default:
switch (ptr->getWCSOrientation(sys,sky)) {
case Coord::NORMAL:
rr += ptr->getWCSRotation(sys,sky);
break;
case Coord::XX:
rr = -(angle + ptr->getWCSRotation(sys,sky) + M_PI);
break;
case Coord::YY:
case Coord::XY:
break;
}
}
return zeroTWOPI(rr);
}
double Base::mapAngleToRef(double angle, Coord::CoordSystem sys, Coord::SkyFrame sky)
{
double rr = angle;
FitsImage* ptr = currentContext->cfits;
if (!ptr)
return 0;
switch (sys) {
case Coord::IMAGE:
case Coord::PHYSICAL:
case Coord::DETECTOR:
case Coord::AMPLIFIER:
break;
default:
switch (ptr->getWCSOrientation(sys,sky)) {
case Coord::NORMAL:
rr -= ptr->getWCSRotation(sys,sky);
break;
case Coord::XX:
rr = -(angle + ptr->getWCSRotation(sys,sky) + M_PI);
break;
case Coord::YY:
case Coord::XY:
break;
}
}
return zeroTWOPI(rr);
}
double Base::mapDistFromRef(const Vector& v1, const Vector& v2,
Coord::InternalSystem sys)
{
switch (sys) {
case Coord::CANVAS:
return (v2*refToCanvas - v1*refToCanvas).length();
case Coord::PANNER:
return (v2*refToPanner - v1*refToPanner).length();
default:
// na
return 0;
}
}
double Base::mapLenFromRef(double d, Coord::InternalSystem sys)
{
Vector r = mapLenFromRef(Vector(d,0),sys);
return r[0];
}
Vector Base::mapLenFromRef(const Vector& v, Coord::InternalSystem sys)
{
switch (sys) {
case Coord::CANVAS:
return mapLen(v,refToCanvas);
case Coord::PANNER:
return mapLen(v,refToPanner);
default:
return Vector();
}
}
double Base::mapLenToRef(double d, Coord::InternalSystem sys)
{
Vector r = mapLenToRef(Vector(d,0),sys);
return r[0];
}
Vector Base::mapLenToRef(const Vector& v, Coord::InternalSystem sys)
{
switch (sys) {
case Coord::CANVAS:
return mapLen(v,canvasToRef);
case Coord::PANNER:
return mapLen(v,pannerToRef);
default:
return Vector();
}
}
Vector FrameBase::mapFromRef(const Vector& vv, Coord::InternalSystem sys)
{
switch (sys) {
case Coord::REF:
return vv;
case Coord::USER:
return vv * refToUser;
case Coord::WIDGET:
return vv * refToWidget;
case Coord::CANVAS:
return vv * refToCanvas;
case Coord::WINDOW:
return vv * refToWindow;
case Coord::PANNER:
return vv * refToPanner;
case Coord::MAGNIFIER:
return vv * refToMagnifier;
default:
return Vector();
}
}
Vector FrameBase::mapToRef(const Vector& vv, Coord::InternalSystem sys)
{
switch (sys) {
case Coord::REF:
return vv;
case Coord::USER:
return vv * userToRef;
case Coord::WIDGET:
return vv * widgetToRef;
case Coord::CANVAS:
return vv * canvasToRef;
case Coord::WINDOW:
return vv * windowToRef;
case Coord::PANNER:
return vv * pannerToRef;
case Coord::MAGNIFIER:
return vv * magnifierToRef;
default:
return Vector();
}
}
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