ESRI World File Format


Used as attribute file associated with corresponding image file.

World files consist of 6 lines, denoting the following:

sampleFile.tfw

5.000000000000(size of pixel in x direction)
0.000000000000(rotation term for row)
0.000000000000(rotation term for column)
-5.000000000000(size of pixel in y direction)
492169.690845528910(x coordinate of centre of upper left pixel in map units)
5426523.318065105000(y coordinate of centre of upper left pixel in map units)

Using the world file, image files can be imported into ARC/INFO or ArcView and co-ordinates can be inputted from the world file to maintain geographic integrity.

GIS Section