LibTiff Mailing List
TIFF and LibTiff Mailing List Archive
August 1994
Previous Thread
Next Thread
Previous by Thread
Next by Thread
Previous by Date
Next by Date
Contact
The TIFF Mailing List Homepage
This list is run by Frank Warmerdam
Archive maintained by AWare Systems
Thread
1994.08.26 20:39 "alpha bug report", by Ron Steriti
I'm having trouble with the alpha version,
i do the simplest of things ... lifted from the example in README.TOP,
which has changed slightly, my fixes (?) didn't work - see below
fortunately the older version on our dec works, but much slower
Initial error:
/usr/lib/cmplrs/cc/cfe: Error: subs.c, line 36: Number of arguments doesn't
agree with number in declaration
TIFFWriteScanline( tif, buf, row );
---------------------^
/usr/lib/cmplrs/cc/cfe: Error: subs.c, line 60: Number of arguments doesn't
agree with number in declaration
TIFFReadScanline(tif, buf, row);
--------------------^
Of course, this is due to the new argument t_sample_t sample
in tif_read.c
I, of course, simply added it to the code, but now it tries to
read too many rows ...
[many lines deleted]
data/AXTBFT1.TIF: 509: Row out of range, max 480.
data/AXTBFT1.TIF: 510: Row out of range, max 480.
data/AXTBFT1.TIF: 511: Row out of range, max 480.
data/AXTBFT1.TIF: 512: Row out of range, max 480.
data/AXTBFT1.TIF: 513: Row out of range, max 480.
i checked the sizes:
imagewidth = 512,i-l = 480
and finally here's my code:
typedef struct {
float **real;
float **imag;
int **byte;
int x_size;
int y_size;
int type;
int file;
} Matrix;
#define REAL 1
#define IMAG 2
#define CMPLX 3
#define BYTES 4
void ReadTIFF ( char *filename, Matrix *in )
{
TIFF *tif;
char *buf;
int row, column;
tsample_t sample;
unsigned long imagelength, imagewidth;
tif = TIFFOpen( filename, "r");
TIFFGetField ( tif, TIFFTAG_IMAGELENGTH, &imagelength);
TIFFGetField ( tif, TIFFTAG_IMAGEWIDTH, &imagewidth );
buf = (char *)malloc(TIFFScanlineSize(tif));
printf ( "imagewidth = %d,i-l = %d \n", imagewidth, imagelength );
in->byte = i_matrix (1,imagewidth+1,1,imagelength+1);
for (row = 0; row < imagelength; row++) {
TIFFReadScanline(tif, buf, row, sample);
for ( column = 0; column < imagewidth; column++ ) {
in->byte[row+1][column+1] = buf[column];
}
}
TIFFClose(tif);
in->x_size = imagewidth + 1;
in->y_size = imagelength + 1;
in->type = BYTES;
free ( buf );
}
int **i_matrix (int nrl, int nrh, int ncl, int nch)
{
int i;
int **m;
m=(int **) malloc((unsigned) (nrh-nrl+1)*sizeof(int*));
if (!m ) printf( "allocation failure in matrix()\n" );
m -= nrl;
for(i=nrl;i<=nrh;i++){
m[i] = (int *)malloc((unsigned)(nch-ncl+1)*sizeof(int));
if (!m[i] ) printf( "allocation failure in matrix() \n" );
m[i] -= ncl;
}
return m;
}
ron
Ron Steriti
Doctorate in Electrical Engineering
Research fields include image reconstruction
and blind deconvolution. Am interested in applying
this to medical imaging (PET, SPECT, etc).
Willing to relocate (hopefully close to great windsurfing).
University of Massachusetts Lowell
Department of Electrical Engineering
Center for Imaging and Optical Computing
Center for Productivity Enhancement
1 University Ave Lowell, MA 01854
steriti@dragon.cpe.uml.edu
http://dragon.cpe.uml.edu/~steriti/Home.html
My list of interesting WWW sites
http://dragon.cpe.uml.edu/~steriti/Interesting.html