Service updates for TerrSet users; download TerrSet Tutorial Data; and fixes, posted February 16, ; IDRISI Selva Users – Service Update to v Eastman, J.R. () IDRISI Selva Tutorial. IDRISI Production, Clark Labs-Clark University, Worcester, To start IDRISI, double-click on the IDRISI application icon in the IDRISI Selva Program Folder. This will load the IDRISI system. Once the system has loaded.
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If you click on the Files tab you should see a list of the files stored in the Using Idrisi directory. Use Google Earth and Google Maps link to the map to familiarize yourself with the area.
Browse for the Roads file it should be the only choice. What wavelengths do bands 5 and 7 capture, and what feature characteristics do they, in particular, highlight?
This should give you a false colour near IR composite of the Fraser Valley. What features in particular stand out in the image the ‘fuzzy worms’ 5 Question Journal of Geographic Information SystemVol.
Layer Interaction Effects Question 7: A vector file of some roads in this area is also provided. What features in particular stand out in the image the ‘fuzzy worms’ 5. Fraser Valley, [True colour image of Landsat bands 1, 2, 3] After the composite image appears, close the window and re-display the composite image using the Display Launcher so that the title appears at the top of the window.
While many people place the band numbers following a short-to-long wavelengths convention e.
GEOB Lab 3: Introduction to IDRISI
What wavelengths are captured by Landsat band 6? View the online tutorial. Name the layer to be created Cities. Using Windows Explorer, go to: There is no save icon do not worry about this.
Hand in the results of your Transparency exercise. Accept the defaults for Tutoril stretch type and Output type, but check the box beside Omit zeros Select Text as the Layer Type. Using Landsat data of the Fraser Valley For this part of the lab you will take what you learned in the tutorials, and apply it to a local dataset: Then, click on the Group Link button and zoom into the band 6 image; you should then also zoom into the same area in the Landsat image.
Loading the data Using Windows Idriso, go to: It sometimes takes a few minutes for Explorer window to refresh and for the new files appear in the listing.
Do not save the zip file to H: The goal of this lab is to give you the foundations for working with IDRISI, the image processing program that you will be using in all of your subsequent labs, and for your final project. How far west from Madrid is the lake in the top of the image? For this selvs, and the succeeding labs, you will be using Windows Explorer to copy, paste, unzip and zip the data:.
After some time you should see an image of the the first band appear on your screen.
Select a font size of When going through Exercise fyou must add a subtitle to the map that contains your name and lab section. Right click on the existing pathname which seelva be C: The imageries were classified using ArcGIS Is the spatial resolution of this image different from that of the sflva bands? Note that this term differs from orthophoto. This exercise is optional, but it does demonstrate some of the ‘neat’ capabilities of Idrisi. Use the shape of the lake to help identify the specific lake [it is actually a reservoir–could you deduce this from the satellite image?
Home Syllabus Schedule Projects. Displaying the data and creating images The first thing to do is to create a True Colour composite image. The data for the labs should ixrisi loaded into C: Navigation Map Query Question 9: The first thing to do is to create a True Colour composite image.
GEOB 373: Introductory Remote Sensing
Name the output file Landsat The study revealed dramatic decline tutorkal the extent of the forest reserve as both the plantation of exotic tree species Tectona grandis and Gmelina and the indigenous stands have been logged in several places for timber and to make way for cultivation of crops.
If you are finished, print your map composition using the Print command in the Map Composer.
Advanced GIS Geob Right click on the existing projects folder and select Change projects folder. What is the formula i. Double-click on idfisi zip file Landsat Hand in the printout of your Landsat image composition.
You will then import idriwi Landsat data of the Fraser Valley and answer some questions pertaining to that dataset. Studying land use dynamics of these forest reserves ifrisi essential for analysing various ecological and developmental consequences over time. Note that the project and working directories you will be using are different from those specified in the tutorial on page 6, Exercise d and e: Ignore any message that may appear about a “Data path not found. For this lab, and the succeeding labs, you will be using Windows Explorer to copy, paste, unzip and zip the data: