IDRISI SELVA MANUAL PDF

IDRISI Selva. – a version 17 of IDRISI; Selva means ‘dense tropical forest’. – an integrated raster-based GIS and Image Processing software. Eastman, J.R. () IDRISI Selva Manual. IDRISI Tutorial. s.l. Clark University, Worcester. Idrisi Selva Principal Components Analysis, page 1 of 4. The Idrisi Selva Manual. Principal Components Analysis. Principal Components.

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You can determine this from the Feature Properties box.

Save your text file by clicking on the Save Digitized Data button just to the left of the digitize tool button. You will be completing the following exercises for this lab: Select Text as the Layer Type. Define, with examples, qualitative and quantitative data.

Include the same information as in the previous map, but provide an appropriate title. Remember that when you use the computers in the lab, you should work locally on manuxl C: Set the map scale RF toomitting the comma when specifying the scale; right-mouse clicking within the image allows you to specify the map scale.

Add the vector layer roads as above recall: Supervised Image Classification and Lab 6: Browse for the Roads file it should be the only choice. Fly through and illumination iddrisi, but it is quick and fun! Repeat this process for the 6 remaining bands.

What is the name of the lake use Google Maps? Print manua map composition you created in this exercise. Use Google Earth and Google Maps link to the map to familiarize yourself with the area. To do this, you need to display band1 in blue, band2 in green and band3 in red.

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Advanced GIS Geob This should give you a false colour near IR composite of the Fraser Valley. To do this, use the Print option on the composer menu and ensure that you send your image to the appropriate colour printer. This will save your composition for further editing.

In the Tools menuclick on the Digitize tool looks like a bulls eye. Since the first Output Idrisi image filename was converted to all uppercase, it would be better if you retyped that filename to follow the case of the other filenames. 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? Select a font size of Displaying the data and creating images The first thing to do is to create a True Colour composite image.

Since remotely sensed images are large, please do not copy any data to your H: Right click on the title Using the captionadd your name, lab and date to the composition.

GEOB 373: Introductory Remote Sensing

During this lab, and for the remaining labs and in your projectyou will be working with the image processing software program called IDRISI. What features in particular stand out in the image the ‘fuzzy worms’ 5. As such, this is a long lab 6 hours is an estimate for the time required to complete this lab.

To create a true colour composite of bands 1, 2 and 3: In the IDRISI tutorial the first convention ordered by increasing wavelength was followed as discussed in footnote ifrisi on page 27 of the Tutorialso we shall follow that convention in our labs. Given the length of this lab, you should budget your time accordingly. Click in the image window where you want the beginning of the text to go.

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After some time you should see an image of the the first band appear on your screen. In the second week, complete the rest of Part 1, Exercises 1. To check that the two import processes worked as expected: If you click on the Files tab you should see a list of the files stored in the Using Idrisi directory.

Home Syllabus Schedule Projects. The naming convention for composite images is variable.

GEOB Lab 3: Introduction to IDRISI

Zoom into the area just southeast of Chilliwack where Hwy 1 runs more or less due east-west, and use the Measure tool to determine how far off in a north-south direction only the vector roads are from the roads as imaged in the Landsat images. What does NDVI stand for? Note that manial project and working directories you will be using are different from those specified in the tutorial on page 6, Exercise d and e: How far west from Madrid is the lake in the top of the image?

Use both Landsat and Landsat to help you in your identification. Zoom into the western part of the image somewhere just north of Chilliwack, ensuring dirisi Hope is still visible.