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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Starting with Band 1: Displaying the data and creating images The first thing to do is to create a True Colour composite image.

GEOB 373: Introductory Remote Sensing

Apply the tools and concepts you learned in the tutorials to a dataset specific to the lab. It sometimes takes a few minutes for Explorer window to refresh and for the new files appear in the listing.

Include the same information as in the previous map, but provide an appropriate title. To check that the two import processes worked as expected: 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: The roads, unfortunately, don’t line up with the Landsat images although both use the UTM coordinate system, the georeferencing of the Landsat images resulted in some positional error being introduced.

Remote Sensing Geob After some time you should see an image of the the first band appear on your screen.


GEOB Lab 3: Introduction to IDRISI

Week of February 11 th you have two weeks for this lab. For these exercises, you will be working with data from Westborough, Mass. Hand in the printout of your Landsat image composition. Ensure that the output file names are spelled the same, but end with the appropriate band.

Add the three imagebands band1 as blue, band2 as green, and band3 as red. Accept the other defaults, and click on OK. Accept the defaults for Contrast stretch type and Output type, but check the box beside Omit zeros In the second week, complete the rest of Part 1, Exercises 1. Hand in the results of your Transparency exercise. Save your text file by clicking on the Save Digitized Data button just to the left of the digitize tool button. As such, this is a long lab 6 hours is an estimate for the time required to complete this lab.

Supervised Image Classification amnual Lab 6: Why is it used i. Click in the image window where you want the beginning of the text to go. Name the output file Landsat What does NDVI stand for? The first thing to do is to create a True Colour composite image.

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: Loading the data Using Windows Explorer, go to: We will have some hard copies of the relevant sections of the IDRISI tutorial available for you in the lab a scanned copy of the relevant sections here. Mxnual Interaction Effects Question 7: 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.


In the IDRISI tutorial the first convention ordered by increasing wavelength was followed as discussed in footnote 19 on page 27 of the Tutorialso we shall follow that convention in our labs. Select a font size of To do this, use the Print option on the composer menu and ensure that you send your image to the appropriate colour printer.

You should now see a Landsat95 folder within C: View the online tutorial. What is the elevation of the lake? Click on Projects tab in the Idrisi Explorer window. Read the first few selfa about projects and working folders. Double-click on the zip file Landsat The roads should appear overlaid on the Landsat image. Use Google Earth and Google Maps link to the map to familiarize yourself with the area.