ocr: BUMP MAP CREATION FOR COLOUR TEXTURES LOAD A COLOUR TEXTURE INTO YOUR FAVOURITE IMAGE MANIPULATION PACKAGE, EG PHOTOSHOP, PHOTOGENICS ETG 2 CONVERT THIS INTO A GREYSCALE IMAGE. ADJUST THE CONTRAST LEVELS TO ACHIEVE THE DESIRED BUMP HEIGHTS, LIGHTER SHADES APPEAR HIGHER GAMMA CORREGTION IS SOMETIMES USEFUL AT THIS STAGE. HTCH LOW REMEMBER BLAGK IS LOW ALTITUDE AND WHITE IS HICH
