/usr/include/rtd/ShortImageData.h is in skycat 3.1.2+starlink1~b-3.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 | // -*-c++-*-
/*
* E.S.O. - VLT project
*
* "@(#) $Id: ShortImageData.h,v 1.1.1.1 2009/03/31 14:11:52 cguirao Exp $"
*
* ShortImageData.h - class definitions for class ShortImageData
*
* See the man page ImageData(3) for a complete description of this class
* library.
*
* who when what
* -------------- -------- ----------------------------------------
* Allan Brighton 05/10/95 Created
* T. Herlin 08/12/95 Added color scale functions to avoid sign problem
* Allan Brighton 14/12/95 reversed above and fixed the real problem
* Peter W. Draper 04/03/98 Added llookup
* 14/07/98 Added blank checks in lookup.
* P.Biereichel 22/03/99 Added definitions for bias subtraction
* Peter W. Draper 03/11/09 Support lowCut_ and highCut_ out of short range.
* 09/11/09 Use a scaled value for lookup.
*/
#include <sys/types.h>
#include "ImageData.h"
// This class is used for images where the raw data is made up of shorts
class ShortImageData : public ImageData {
private:
// value of blank pixel, if known (if haveBlankPixel_ is nonzero)
short blank_;
double bias_; // offset
double scale_; // scale factor
// local methods used to get short index in lookup table
short scaleToShort(int l);
// get value as unsigned short
ushort convertToUshort(short s) {
return ushort(scaleToShort(int(s)));
}
// return X image pixel value for raw image value
byte lookup(short s) {
return lookup_[convertToUshort(s)];
}
unsigned long llookup(short s) {
return lookup_[convertToUshort(s)];
}
// return NTOH converted value evtl. subtracted with corresponding bias value
short getVal(short* p, int idx);
int getXsamples(short *rawImage, int idx, int wbox, short *samples);
int getBsamples(short *rawImage, int idx, int wbox, short *samples);
int getCsamples(short *rawImage, int idx, int wbox, short *samples);
short getMedian(short *samples, int n);
short getBoxVal(short *rawImage, int idx, int wbox, short *samples, int xs);
short getRMS(short *samples, int n);
protected:
// initialize conversion from base type to short
void initShortConversion();
public:
// constructor
ShortImageData(const char* name, const ImageIO& imio, int verbose)
: ImageData(name, imio, verbose), blank_(0) {}
// return class name as a string
virtual const char* classname() { return "ShortImageData"; }
// return the data type of the raw data
int dataType() {return SHORT_IMAGE;}
// return true if the data type is signed
int isSigned() {return 1;}
// return a copy of this object
ImageData* copy() {return new ShortImageData(*this);}
// include declarations for methods that differ only in raw data type
# include "ImageTemplates.h"
};
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