ImageGear for C and C++ on Windows v19.6 - Updated
Tiled Images
User Guide > How to Work with... > Formats with Additional Functionality > TIFF, MODCA, and IOCA > Tiled Images

In a tiled image, pixel data is stored in blocks called "tiles", whose height and width are less than that of the height and width of the full image. All tiles are the same size. However, it is rare that the tiles evenly cover the image. Therefore, in most cases, the following statements will be TRUE:

 
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(# of tiles per row) * (width of a tile)  ...  the width of the image
(# of tiles per column) * (height of a tile)  ...  the height of the image

This section provides information about the following: