https://dokuwiki.grogra.de/ 2026-05-16T09:06:03+00:00 https://dokuwiki.grogra.de/ https://dokuwiki.grogra.de/lib/exe/fetch.php?media=wiki:dokuwiki.svg text/html 2025-12-10T16:27:26+00:00 Anonymous (anonymous@undisclosed.example.com) https://dokuwiki.grogra.de/doku.php?id=02_user_tutorials:plotting:colorbar-measuringstick&rev=1765384046&do=diff Color bars and measuring sticks Color bars and colour maps False colouring is a common tool, for instance, to visualize different light absorption, temperature distribution etc. The right choice of proper colour map can make the difference between a great intuitive understandable figure or just some usual plot. GroIMP provides for this purpose the ColorGradient class, in which several common colour maps are predefined. It further supports the definition of user-defined gradients and even diffe… text/html 2026-03-20T16:51:20+00:00 Anonymous (anonymous@undisclosed.example.com) https://dokuwiki.grogra.de/doku.php?id=02_user_tutorials:plotting:plotting-data&rev=1774025480&do=diff Plots inside GroIMP GroIMP has the ability to visualize datasets in different plots. To learn more about datasets visit the dataset tutorial. To visualize a dataset in GroIMP the chart() function is used: chart(diagram, XY_PLOT); in a full example like this: