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Help needed urgently

Default default at cse.unl.edu
Thu Mar 1 04:43:52 EST 2001

I have a image called street.tif and 2 boxes whose coordinates are for example as follows;
frc[i].lx = x1;   //left x-coordinate
frc[i].ly = y1;   //left y-coordinate
frc[i].tx = x2;   //top x-coordinate
frc[i].ty = y2;   //top y-coordinate
frc[i].rx = x3;   //right x-coordinate
frc[i].ry = y3;   //right y-coordinate
frc[i].bx = x4;  //bottom x-coordinate
frc[i].by = y4;  //bottom y-coordinate
frc[i].lx = x11;
frc[i].ly = y11;
frc[i].tx = x22;
frc[i].ty = y22;
frc[i].rx = x33;
frc[i].ry = y33;
frc[i].bx = x44;
frc[i].by = y44;
I need to create a new image say street1.tif which contains
street.tif - boxes i.e I have to erase all pixels within the
box1 and box2.
It would be great if you could help me. Can I do it without using Image Magick or other tools but with just TIFF library tools.
Chakravarthy Terlapu                    
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