program to draw checker board

Texture checker Board project in opengl c-Texture checker Board project in opengl c++

地形图质量检验：数学精度检测，包括平面、高程、间距误差的检测与统计。-Topographic map mathematical precision testing

scr ipt to make (synthesize) a perfect X-Rite Color Checker Chart from the X-Rite supplied sRGB values.(This chart has been known in the past as the Gretag Macbeth ColorChecker Chart, and the Munsell ColorChecker Chart.)