What is erdas software used for?

ERDAS IMAGINE is easy-to-use, raster-based software designed specifically to extract information from images. Perfect for beginners and experts alike, easy-to-learn ERDAS IMAGINE enables you to process imagery like a seasoned professional, regardless of your experience in geographic imaging.

How do I create a subset in erdas?

In the Viewer window, go to File-Open-Raster layer and select the image that you want to subset. You may need to use the zoom tools to see the whole image and then zoom in on the portion of the image that you want to subset out.

How do I link views in erdas?

Linking Views The Link icons are Located in the upper right area of individual View. 1. On the Home tab, click Link Views in the Windows group, Link views window is open.

Is erdas a free software?

Campuswide Education Grant program provides free licenses of ERDAS IMAGINE Essentials.

Is erdas a GIS software?

ERDAS Imagine is one of the first remote sensing software programs. … And it’s still one of the best. This robust raster-based GIS suite provides a wide array of tools for geospatial analysis: import/export, map composition, image enhancement, image classification, raster GIS modeling, and photogrammetry.

What is subsetting in remote sensing?

A subset is a section of a larger downloaded image. Since satellite data downloads usually cover more area than you are interested in and near 1 GB in size, you can select a portion of the larger image to work with.

How do you do layer stacking in erdas?

Layer Stacking:

  1. Select Interpreter from main tools window of Erdas imagine then go to Utilities and select Layer Stack.
  2. In the Layer stack dialog, enter the name of the first file in the Input File.
  3. Once a name is entered click Add.
  4. Define output file name, and select output file type.

Is ERDAS Imagine free software?