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#ifndef AREA_SET_H
#define AREA_SET_H
#include <vector>
#include <string>
#include "units/imagecoordinates.h"
#include "units/radeccoord.h"
class SkyAreaElement
{
public:
enum TypeEnum { Circle, Line, Box };
SkyAreaElement() :
_type(Circle), _circleRadius(-1.0),
_circleCentreRA(0.0), _circleCentreDec(0.0),
_boxUpperRA(0.0), _boxLowerRA(0.0),
_boxUpperDec(0.0), _boxLowerDec(0.0)
{
}
void SetToCircle(double radius, double raCentre, double decCentre)
{
_type = Circle;
_circleRadius = radius;
_circleCentreRA = raCentre;
_circleCentreDec = decCentre;
}
void SetToBox(double upperRA, double lowerRA, double upperDec, double lowerDec)
{
_type = Box;
if(upperRA < lowerRA) std::swap(upperRA, lowerRA);
if(upperDec < lowerDec) std::swap(upperDec, lowerDec);
_boxUpperRA = upperRA;
_boxLowerRA = lowerRA;
_boxUpperDec = upperDec;
_boxLowerDec = lowerDec;
}
template<typename NumType>
bool IsIn(NumType ra, NumType dec) const
{
switch(_type)
{
case Circle:
return ImageCoordinates::AngularDistance<NumType>(ra, dec, _circleCentreRA, _circleCentreDec) <= _circleRadius;
case Box:
return ra >= _boxLowerRA && ra <= _boxUpperRA && dec >= _boxLowerDec && dec <= _boxUpperDec;
default:
return false;
}
}
void Save(std::ostream &stream) const
{
stream << " element {\n shape ";
switch(_type)
{
case Circle:
stream << "circle deg " << (_circleRadius * 180.0 / M_PI) << ' ' <<
RaDecCoord::RAToString(_circleCentreRA) << ' ' <<
RaDecCoord::DecToString(_circleCentreDec);
break;
case Box:
stream << "box " <<
RaDecCoord::RAToString(_boxUpperRA) << ' ' <<
RaDecCoord::DecToString(_boxUpperDec) << ' ' <<
RaDecCoord::RAToString(_boxLowerRA) << ' ' <<
RaDecCoord::DecToString(_boxLowerDec);
break;
default:
stream << "?";
}
stream << "\n }\n";
}
private:
TypeEnum _type;
double _circleRadius, _circleCentreRA, _circleCentreDec;
double _boxUpperRA, _boxLowerRA, _boxUpperDec, _boxLowerDec;
};
class SkyArea
{
public:
SkyArea() : _weight(0.0), _allowCleaning(true)
{
}
SkyArea(const SkyArea &source) :
_elements(source._elements),
_name(source._name),
_weight(source._weight),
_allowCleaning(source._allowCleaning)
{
}
void operator=(const SkyArea &source)
{
_elements = source._elements;
_name = source._name;
_weight = source._weight;
_allowCleaning = source._allowCleaning;
}
template<typename NumType>
bool IsIn(NumType ra, NumType dec) const
{
for(std::vector<SkyAreaElement>::const_iterator i=_elements.begin();
i!=_elements.end(); ++i)
{
if(i->IsIn(ra, dec))
return true;
}
return false;
}
void AddElement(const SkyAreaElement &element)
{
_elements.push_back(element);
}
void SetName(const std::string &name) { _name = name; }
void SetWeight(double weight) { _weight = weight; }
void SetAllowCleaning(bool allowCleaning) { _allowCleaning = allowCleaning; }
bool AllowCleaning() const { return _allowCleaning; }
void Save(std::ostream &stream) const
{
stream << "area {\n name \"" << _name << "\"\n allow-cleaning " << (_allowCleaning ? "True" : "False") <<
'\n';
if(_weight != 0.0)
stream << "weight " << _weight << '\n';
for(std::vector<SkyAreaElement>::const_iterator i=_elements.begin(); i!=_elements.end(); ++i)
{
i->Save(stream);
}
stream << "}\n";
}
private:
std::vector<SkyAreaElement> _elements;
std::string _name;
double _weight;
bool _allowCleaning;
};
class AreaSet
{
public:
void AddArea(const SkyArea &area)
{
_areas.push_back(area);
}
template<typename NumType>
void FindAreas(std::vector<const SkyArea*> &foundAreas, NumType ra, NumType dec) const
{
for(std::vector<SkyArea>::const_iterator i=_areas.begin(); i!=_areas.end(); ++i)
if(i->IsIn(ra, dec))
foundAreas.push_back(&*i);
}
template<typename NumType>
bool IsInArea(NumType ra, NumType dec) const
{
for(std::vector<SkyArea>::const_iterator i=_areas.begin(); i!=_areas.end(); ++i)
if(i->IsIn(ra, dec)) return true;
return false;
}
void FindAreasInImage(std::vector<const SkyArea*> &foundAreas, size_t x, size_t y) const
{
long double l, m, ra, dec;
ImageCoordinates::XYToLM<long double>(x, y, _pixelSizeX, _pixelSizeY, _imageWidth, _imageHeight, l, m);
ImageCoordinates::LMToRaDec<long double>(l, m, _imageRA, _imageDec, ra, dec);
FindAreas(foundAreas, ra, dec);
}
template<typename NumType>
bool AllowCleaning(NumType ra, NumType dec) const
{
std::vector<SkyArea*> areas;
FindAreas<NumType>(areas, ra, dec);
// TODO sort on weight / size
if(areas.empty())
return false;
else
return (*areas.rbegin())->AllowCleaning();
}
bool AllowCleaningInImage(size_t x, size_t y) const
{
std::vector<const SkyArea*> areas;
FindAreasInImage(areas, x, y);
// TODO sort on weight / size
if(areas.empty())
return false;
else
return (*areas.rbegin())->AllowCleaning();
}
void SetImageProperties(double pixelSizeX, double pixelSizeY, double ra, double dec, size_t width, size_t height)
{
_pixelSizeX = pixelSizeX;
_pixelSizeY = pixelSizeY;
_imageRA = ra;
_imageDec = dec;
_imageWidth = width;
_imageHeight = height;
}
void Save(std::ostream &stream) const
{
stream << "skyareas fileformat 1.0\n";
for(std::vector<SkyArea>::const_iterator i=_areas.begin(); i!=_areas.end(); ++i)
i->Save(stream);
}
private:
std::vector<SkyArea> _areas;
double _pixelSizeX, _pixelSizeY, _imageRA, _imageDec;
size_t _imageWidth, _imageHeight;
};
#endif
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