# Displays ## Colormap A list of colormaps is available in iPeriGrain to facilitate visualization of 2D image. ### Example of DEM -- DEM displayed with original colormap. ![](https://i.imgur.com/9z8ET8z.png) -- Example using WINTER colormap. Click "Apply". ![](https://i.imgur.com/1xFV3os.png) -- The contrast and brightness can be adjusted via "Alpha" and "Beta", respectively. -- This example demonstrates a better visualization of the grains in certain portions of DEM (denoted by arrow). ![](https://i.imgur.com/EtB7cIj.png) ### Example of optical image -- Optical image displayed with original color ![](https://i.imgur.com/911oNTG.png) -- Example using RAINBOW colormap. Click "Apply". ![](https://i.imgur.com/fkltRXL.png) -- The contrast and brightness can be adjusted via "Alpha" and "Beta", respectively. ![](https://i.imgur.com/4KOwncL.png) ## Show 2D image and overlays iPerigrain allows users to turn on/off the 2D image (Base Image), markers, and segment results in the display with overlay. ![](https://i.imgur.com/r6kQZOs.png)