Keywords : er-mapper


ErMapper is the SonarScope favourite format . An image is made of two files : the image file made of pixel series and an ASCII file of XML type describing every image properties : lines and columns number, storage type (integer, float, ...), value representing non-values, ...

This visual display is extremely powerful for displaying very large-sized images with zoom and real-time movement functionalities. The images below show 7 resolution levels, the last one is a 64-fold zoom compared to the first one. Those images come from a DF1000 side-scan sonar at 100 kHz frequency.