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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 "envi.h"
#include "head.h"
FitsENVI::FitsENVI(FitsFile* fits)
{
byteswap_ = fits->byteswap();
endian_ = fits->endian();
pBitpix_ = fits->pBitpix();
pWidth_ = fits->pWidth();
pHeight_ = fits->pHeight();
pDepth_ = fits->pDepth();
pEncoding_ = FitsFile::BSQ;
pCRPIX3_ = fits->pCRPIX3();
pCRVAL3_ = fits->pCRVAL3();
pCDELT3_ = fits->pCDELT3();
size_ = (size_t)pWidth_*pHeight_*pDepth_;
}
FitsENVI::~FitsENVI()
{
if (data_)
delete [] (char*)data_;
}
int FitsENVI::initHeader(FitsFile* fits)
{
// simple check
if (!pWidth_ || !pHeight_ || !pBitpix_)
return 0;
// create header
head_ = new FitsHead(pWidth_, pHeight_, pDepth_, pBitpix_);
if (!head_->isValid())
return 0;
// WCS?
if (pCRPIX3_>0 || pCRVAL3_>0 || pCDELT3_!=1) {
head_->appendString("CTYPE1","LINEAR", NULL);
head_->appendReal("CRPIX1",1, 9, NULL);
head_->appendReal("CRVAL1",1, 9, NULL);
head_->appendReal("CDELT1",1, 9, NULL);
head_->appendString("CTYPE2","LINEAR", NULL);
head_->appendReal("CRPIX2",1, 9, NULL);
head_->appendReal("CRVAL2",1, 9, NULL);
head_->appendReal("CDELT2",1, 9, NULL);
head_->appendString("CTYPE3","WAVELENGTH", NULL);
head_->appendReal("CRPIX3",pCRPIX3_, 9, NULL);
head_->appendReal("CRVAL3",pCRVAL3_, 9, NULL);
head_->appendReal("CDELT3",pCDELT3_, 9, NULL);
}
// other
primary_ = fits->primary();
managePrimary_ = 0;
inherit_ = head_->inherit();
return 1;
}
template <class T> FitsENVIBIPm<T>::FitsENVIBIPm(FitsFile* fits)
: FitsENVI(fits)
{
if (!initHeader(fits))
return;
T* dest = new T[size_];
if (!dest) {
internalError("Fitsy++ envi unable to allocate memory");
return;
}
memset(dest, 0, size_*sizeof(T));
T* ptr = (T*)fits->data();
for (int jj=0; jj<pHeight_; jj++)
for (int ii=0; ii<pWidth_; ii++)
for (int kk=0; kk<pDepth_; kk++)
dest[kk*pWidth_*pHeight_ + jj*pWidth_ + ii] = *ptr++;
data_ = dest;
dataSize_ = size_;
dataSkip_ = 0;
// all done
valid_ = 1;
}
template class FitsENVIBIPm<unsigned char>;
template class FitsENVIBIPm<short>;
template class FitsENVIBIPm<unsigned short>;
template class FitsENVIBIPm<int>;
template class FitsENVIBIPm<long long>;
template class FitsENVIBIPm<float>;
template class FitsENVIBIPm<double>;
template <class T> FitsENVIBILm<T>::FitsENVIBILm(FitsFile* fits)
: FitsENVI(fits)
{
if (!initHeader(fits))
return;
T* dest = new T[size_];
if (!dest) {
internalError("Fitsy++ envi unable to allocate memory");
return;
}
memset(dest, 0, size_*sizeof(T));
T* ptr = (T*)fits->data();
for (int jj=0; jj<pHeight_; jj++)
for (int kk=0; kk<pDepth_; kk++)
for (int ii=0; ii<pWidth_; ii++)
dest[kk*pWidth_*pHeight_ + jj*pWidth_ + ii] = *ptr++;
data_ = dest;
dataSize_ = size_;
dataSkip_ = 0;
// all done
valid_ = 1;
}
template class FitsENVIBILm<unsigned char>;
template class FitsENVIBILm<short>;
template class FitsENVIBILm<unsigned short>;
template class FitsENVIBILm<int>;
template class FitsENVIBILm<long long>;
template class FitsENVIBILm<float>;
template class FitsENVIBILm<double>;
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