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Minpet is an open-source software tool that allows users to produce terrain datasets for use in GIS operations, without the need for complex computing operations. Minpet downloads data from NASA's Shuttle Radar Topography Mission (SRTM) database, then uses a non-linear process to minimize the data into a format that is more easily processed by GIS program like ArcGIS. This article will walk you through how to download and install Minpet, with links to tutorials on how use this tool in conjunction with ArcGIS; it will also provide links for downloading SRTM data. First, you need to download Minpet from the project's website. Once the file has been downloaded, it needs to be extracted into a folder. For this example, I have saved it to C:\\my_Minpet_setup. To start downloading SRTM data, you need to set up a link that will point to the SRTM GIS data. This is done by either typing in the complete URL or pasting it from your browser's address bar directly into Windows Explorer/Finder. In this example, my link is http://www.spatialindex. org/cgi-bin/ms/webserv.cgi?v=1&c=55&t=e442. Once you have set up this link, you can open Minpet by navigating to the folder where it is located and running the file named minpet_cli.exe. For this example, I have saved Minpet to my Desktop, so I would navigate there and run minpet_cli.exe The SRTM Downloader has 4 main steps: Step 1: Select the size of the GIS dataset that will be created from your SRTM data. Step 2: Select which SRTM bands to download. SRTM data is vectorial, which means it can be read by GIS programs like ArcGIS. However, the files are quite large so there is a limit to how much of this data can be downloaded at once. Step 3: Select the folder in which the output will be saved. Step 4: Select which SRTM datasets to download. You can select multiple datasets by separating them with commas. Now that you have selected all your parameters, you are ready to begin downloading. Navigate back to your desktop and open up ArcGIS 10 or older, then click File > Open Vector > Browse... and navigate to the folder that you saved your SRTM data. A warning will pop up asking you if you want to open the file, click Open. Now that your SRTM dataset has been opened, you can start using it in ArcGIS. Simply select the layers and/or attributes which will be used in your map and add them to your map by either dragging them from the Layers window onto the map or by right-clicking on them and choosing "Add To Map". cfa1e77820
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