This week’s lab introduced us to ERDAS Imagine, software that is raster-based and provides tools to extract information from images while being able to change the bandwidth of the images to study them more in-depth. It was a fun lab and the biggest challenges were making sure to go “by the numbers” in lab exercise steps and working with formulas calculating the frequency, wavelength, and energy of photons for the process. We added an image provided to us and manipulated it to get an output that would be added to ArcGIS. Once we added a random selection from the image to ArcGIS we calculated the hectares of an area and created a layout of map.
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| Image from ERDAS loaded into ArcGIS |
The intention of the lab was to familiarize ourselves with ERDAS, after all this is Remote Sensing. The software is somewhat similar to ArcGIS in the sense that there are tools, content panes, ways of adding data, and creating data as an output to be exported. One of the differences was how ERDAS handled the raster images allowing different bandwidths to be changed in the display. ERDAS was easy to work with as long as you are patient and have a fast computer when working on the server.
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