//FIM MAIN FIM MAIN FIM MAIN FIM MAIN FIM MAIN FIM MAIn FIM MAIN FIM MAIN
TPZMaterial *LerMaterial(char *filename) {
ifstream input(filename);
TPZFMatrix naxes(3,3);
REAL ni1,ni2,h,E1,E2,G12,G13,G23,f;
REAL n00,n01,n02,n10,n11,n12,n20,n21,n22;
TPZVec<REAL> xf(6);
int matindex;
input >> matindex;
input >> f >> h >>
E1 >> E2 >>
G12 >> G13 >> G23 >>
ni1 >> ni2;
input >> n00 >> n01 >> n02 >> n10 >> n11 >> n12 >> n20 >> n21 >> n22;
input >> xf[0] >> xf[1] >> xf[2] >> xf[3] >> xf[4] >> xf[5];
naxes(0,0) = n00; naxes(0,1) = n01; naxes(0,2) = n02;
naxes(1,0) = n10; naxes(1,1) = n11; naxes(1,2) = n12;
naxes(2,0) = n20; naxes(2,1) = n21; naxes(2,2) = n22;
return new TPZPlaca(matindex,h,f,E1,E2,ni1,ni2,G12,G13,G23,naxes,xf);
}
double Hero::distance(const std::vector<double> &c1, const std::vector<double> &c2)
{
dbg(1) << "XXXX c1.size = " << c1.size() << " c2.size = " << c2.size();
dbg(1) << "XXXX c1 = " << c1;
dbg(1) << "XXXX c2 = " << c2;
// resize and pad with '1' to conform to naxis
auto pix1 = c1; pix1.resize( naxes(), 1.0);
auto pix2 = c2; pix2.resize( naxes(), 1.0);
// if we don't have a frame, return cartesian distance
if( m_ast.origWcsInfo == AST__NULL) {
double sumSq = 0.0;
for( int i = 0 ; i < naxes() ; i ++ ) {
double diff = pix1[i] - pix2[i];
sumSq += diff * diff;
}
return sqrt( sumSq);
}
dbg(1) << "XXXX fpix1 = " << pix1;
dbg(1) << "XXXX fpix2 = " << pix2;
pix1 = fits2world( pix1);
pix2 = fits2world( pix2);
dbg(1) << "XXXX wpix1 = " << pix1;
dbg(1) << "XXXX wpix2 = " << pix2;
AstErrorGuard errGuard( this);
AstGCGuard gcGuard;
// call ast to figure out the distance
double res = astDistance( m_ast.currWcsInfo, & pix1.front(), & pix2.front());
dbg(1) << "XXXX dist = " << res;
astClearStatus;
return res;
}
QString Hero::formatWorldValue(double val, int axis)
{
if( m_ast.origWcsInfo == AST__NULL) {
return QString::number( val);
}
if( axis >= naxes()) {
LTHROW( QString( "formatWorldValue called with axis=%1 but naxes=%2").arg(axis).arg(naxes()));
}
// format the cursor
QString res = astFormat( m_ast.currWcsInfo, axis + 1, val);
return res;
}
const std::vector<AxisInfo> & Hero::axesInfos()
{
if( int( m_axisInfos.size()) != naxes()) {
warn() << "axes info size and naxes mismatch";
// return some default labels
m_axisInfos.clear();
for( int i = 0 ; i < naxes() ; i ++ ) {
AxisInfo info;
info.label = QString('X' + i);
info.symbol = QString('X' + i) + "_";
info.title = QString('X' + i) + " axis";
// default html versions will be the same as the raw versions
info.htmlLabel = info.label;
info.htmlSymbol = info.symbol;
info.htmlUnit = info.unit;
info.htmlTitle = info.title;
m_axisInfos.push_back( info);
}
}
return m_axisInfos;
}
const std::vector<double> & Hero::fits2world(const std::vector<double> & p_pixel)
{
if( m_ast.origWcsInfo == AST__NULL) {
m_pixel2wcsCache = p_pixel;
m_pixel2wcsCache.resize( naxes(), 1.0);
return m_pixel2wcsCache;
}
AstErrorGuard errGuard( this);
AstGCGuard gcGuard;
// resize and pad with '1' to conform to naxis
auto pixel = p_pixel;
pixel.resize( naxes(), 1.0);
m_pixel2wcsCache.resize( naxes());
// do the conversion
astTranN( m_ast.currWcsInfo, 1, naxes(), 1, & pixel.front(), 1, naxes(), 1,
& m_pixel2wcsCache.front());
astClearStatus;
return m_pixel2wcsCache;
}
/***********************************************************************//**
* @brief Print column information
*
* @param[in] chatter Chattiness.
* @return String containing column information.
*
* @todo Format and cfitsio information is mainly for debugging. This could
* be vanish in a more stable version of the code, or it could be compiled
* in conditionally using a debug option.
***************************************************************************/
std::string GFitsImage::print(const GChatter& chatter) const
{
// Initialise result string
std::string result;
// Continue only if chatter is not silent
if (chatter != SILENT) {
// Append header
result.append("=== GFitsImage ===");
// Append HDU information
result.append("\n"+print_hdu(chatter));
// Append image dimensions
result.append("\n"+gammalib::parformat("Image type"));
result.append(typecode(type()));
result.append("\n"+gammalib::parformat("Number of dimensions"));
result.append(gammalib::str(naxis()));
result.append("\n"+gammalib::parformat("Number of image pixels"));
result.append(gammalib::str(npix()));
for (int i = 0; i < naxis(); ++i) {
result.append("\n"+gammalib::parformat("Number of bins in "+gammalib::str(i)));
result.append(gammalib::str(naxes(i)));
}
// NORMAL: Append header information
if (chatter >= NORMAL) {
result.append(+"\n"+m_header.print(gammalib::reduce(chatter)));
}
} // endif: chatter was not silent
// Return result
return result;
}
void Hero::parseAxesInfo()
{
m_axisInfos.clear();
m_labelsForAxes.clear();
for( int i = 1 ; i <= naxes() ; i ++ ) {
AxisInfo info;
info.label = AstWrappers::getC( m_ast.currWcsInfo, QString("Label(%1)").arg(i));
info.symbol = AstWrappers::getC( m_ast.currWcsInfo, QString("Symbol(%1)").arg(i));
info.unit = AstWrappers::getC( m_ast.currWcsInfo, QString("Unit(%1)").arg(i));
info.title = AstWrappers::getC( m_ast.currWcsInfo, QString("Title(%1)").arg(i));
info.setIsLongitude( AstWrappers::getI( m_ast.currWcsInfo, QString("IsLonAxis(%1)").arg(i)));
astClearStatus;
info.setIsLatitude( AstWrappers::getI( m_ast.currWcsInfo, QString("IsLatAxis(%1)").arg(i)));
astClearStatus;
// default html versions will be the same as the raw versions
info.htmlLabel = info.label;
info.htmlSymbol = info.symbol;
info.htmlUnit = info.unit;
info.htmlTitle = info.title;
m_axisInfos.push_back( info);
}
for( auto v : m_axisInfos) {
dbg(1) << "...label:" << v.label
<< " symbol:" << v.symbol
<< " unit:" << v.unit
<< " title:" << v.title;
}
// htmlize special cases
for( AxisInfo & v : m_axisInfos) {
// symbols
if( v.symbol == "RA") {
v.htmlSymbol = "α";
}
else if( v.symbol == "Dec") {
v.htmlSymbol = "δ";
}
else if( v.symbol == "Lambda") {
v.htmlSymbol = "λ";
}
else if( v.symbol == "Beta") {
v.htmlSymbol = "β";
}
else if( v.symbol == "FREQ") {
v.htmlSymbol = "Freq";
}
else if( v.symbol == "STOKES") {
v.htmlSymbol = "Stokes";
}
// units
if( v.unit == "degrees") {
v.htmlUnit = "°";
}
else if( v.unit == "hh:mm:ss.s") {
v.htmlUnit = "";
}
else if( v.unit == "ddd:mm:ss") {
v.htmlUnit = "";
}
}
}
void FitsReader::initialize()
{
int status = 0;
fits_open_file(&_fitsPtr, _filename.c_str(), READONLY, &status);
checkStatus(status, _filename);
// Move to first HDU
int hduType;
fits_movabs_hdu(_fitsPtr, 1, &hduType, &status);
checkStatus(status, _filename);
if(hduType != IMAGE_HDU) throw std::runtime_error("First HDU is not an image");
int naxis = 0;
fits_get_img_dim(_fitsPtr, &naxis, &status);
checkStatus(status, _filename);
if(naxis < 2) throw std::runtime_error("NAxis in image < 2");
std::vector<long> naxes(naxis);
fits_get_img_size(_fitsPtr, naxis, &naxes[0], &status);
checkStatus(status, _filename);
_imgWidth = naxes[0];
_imgHeight = naxes[1];
_nFrequencies = 1;
std::string tmp;
for(int i=2;i!=naxis;++i)
{
std::ostringstream name;
name << "CTYPE" << (i+1);
if(ReadStringKeyIfExists(name.str().c_str(), tmp))
{
if(tmp == "FREQ" || tmp == "VRAD")
_nFrequencies = naxes[i];
else if(naxes[i] != 1)
throw std::runtime_error("Multiple images given in fits file");
}
}
if(_nFrequencies != 1 && !_allowMultiFreq)
throw std::runtime_error("Multiple frequencies given in fits file");
double bScale = 1.0, bZero = 0.0, equinox = 2000.0;
ReadDoubleKeyIfExists("BSCALE", bScale);
ReadDoubleKeyIfExists("BZERO", bZero);
ReadDoubleKeyIfExists("EQUINOX", equinox);
if(bScale != 1.0)
throw std::runtime_error("Invalid value for BSCALE");
if(bZero != 0.0)
throw std::runtime_error("Invalid value for BZERO");
if(equinox != 2000.0)
throw std::runtime_error("Invalid value for EQUINOX: "+readStringKey("EQUINOX"));
if(ReadStringKeyIfExists("CTYPE1", tmp) && tmp != "RA---SIN" && _checkCType)
throw std::runtime_error("Invalid value for CTYPE1");
_phaseCentreRA = 0.0;
ReadDoubleKeyIfExists("CRVAL1", _phaseCentreRA);
_phaseCentreRA *= M_PI / 180.0;
_pixelSizeX = 0.0;
ReadDoubleKeyIfExists("CDELT1", _pixelSizeX);
_pixelSizeX *= -M_PI / 180.0;
if(ReadStringKeyIfExists("CUNIT1", tmp) && tmp != "deg" && _checkCType)
throw std::runtime_error("Invalid value for CUNIT1");
double centrePixelX = 0.0;
if(ReadDoubleKeyIfExists("CRPIX1", centrePixelX))
_phaseCentreDL = (centrePixelX - ((_imgWidth / 2.0)+1.0)) * _pixelSizeX;
else
_phaseCentreDL = 0.0;
if(ReadStringKeyIfExists("CTYPE2",tmp) && tmp != "DEC--SIN" && _checkCType)
throw std::runtime_error("Invalid value for CTYPE2");
_phaseCentreDec = 0.0;
ReadDoubleKeyIfExists("CRVAL2", _phaseCentreDec);
_phaseCentreDec *= M_PI / 180.0;
_pixelSizeY = 0.0;
ReadDoubleKeyIfExists("CDELT2", _pixelSizeY);
_pixelSizeY *= M_PI / 180.0;
if(ReadStringKeyIfExists("CUNIT2", tmp) && tmp != "deg" && _checkCType)
throw std::runtime_error("Invalid value for CUNIT2");
double centrePixelY = 0.0;
if(ReadDoubleKeyIfExists("CRPIX2", centrePixelY))
_phaseCentreDM = ((_imgHeight / 2.0)+1.0 - centrePixelY) * _pixelSizeY;
else
_phaseCentreDM = 0.0;
_dateObs = 0.0;
readDateKeyIfExists("DATE-OBS", _dateObs);
if(naxis >= 3 && readStringKey("CTYPE3") == "FREQ")
{
_frequency = readDoubleKey("CRVAL3");
_bandwidth = readDoubleKey("CDELT3");
}
else {
_frequency = 0.0;
_bandwidth = 0.0;
}
if(naxis >= 4 && readStringKey("CTYPE4") == "STOKES")
{
double val = readDoubleKey("CRVAL4");
switch(int(val))
{
default: throw std::runtime_error("Unknown polarization specified in fits file");
case 1: _polarization = Polarization::StokesI; break;
case 2: _polarization = Polarization::StokesQ; break;
case 3: _polarization = Polarization::StokesU; break;
case 4: _polarization = Polarization::StokesV; break;
case -1: _polarization = Polarization::RR; break;
case -2: _polarization = Polarization::LL; break;
case -3: _polarization = Polarization::RL; break;
case -4: _polarization = Polarization::LR; break;
case -5: _polarization = Polarization::XX; break;
case -6: _polarization = Polarization::YY; break;
case -7: _polarization = Polarization::XY; break;
case -8: _polarization = Polarization::YX; break;
}
}
else {
_polarization = Polarization::StokesI;
}
double bMaj=0.0, bMin=0.0, bPa=0.0;
if(ReadDoubleKeyIfExists("BMAJ", bMaj) && ReadDoubleKeyIfExists("BMIN", bMin) && ReadDoubleKeyIfExists("BPA", bPa))
{
_hasBeam = true;
_beamMajorAxisRad = bMaj * (M_PI / 180.0);
_beamMinorAxisRad = bMin * (M_PI / 180.0);
_beamPositionAngle = bPa * (M_PI / 180.0);
}
else {
_hasBeam = false;
_beamMajorAxisRad = 0.0;
_beamMinorAxisRad = 0.0;
_beamPositionAngle = 0.0;
}
_telescopeName = std::string();
ReadStringKeyIfExists("TELESCOP", _telescopeName);
_observer = std::string();
ReadStringKeyIfExists("OBSERVER", _observer);
_objectName = std::string();
ReadStringKeyIfExists("OBJECT", _objectName);
_origin = std::string();
_originComment = std::string();
ReadStringKeyIfExists("ORIGIN", _origin, _originComment);
_history.clear();
readHistory();
}
