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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Add the vector layer roads as above recall: View the online tutorial.

Select a font size of 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.

What is the elevation of the lake? The tutorial PDF can be found here: Loading the data Using Windows Explorer, go to: What features turned ‘black’ in the image after adjusting the contrast? You will then import some Landsat data of the Fraser Valley and answer some questions pertaining to that dataset.

Is the spatial selv of this image different from that of the other bands? To check that the two import processes worked as expected: Do these values correspond to the digital numbers for the pixels in bands 2, 3 and 4?

GEOB 373: Introductory Remote Sensing

What features in particular stand out in the image the ‘fuzzy worms’ 5. Right click on the title Using the captionadd your name, lab and date to the composition. Select the caption position majual to the anchor point e. Click on Map Properties Add a north arrow and a scale bar. 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.


Note that the San Francisco data Just for Fun However, remember that with this experience you can put down in your resume that you have some working knowledge of image processing. Starting with Band 1: Note that this term differs from orthophoto.

REF The Landsat images have been georeferenced to a UTM [zone 10, North] coordinate system, so if we assign the same georeference system to the roads [knowing that roads had previously been projected to a UTM coordinate system within ArcGIS], the roads and the Landsat images will be geographically referenced together. Click on the check boxand then click on the Fly through and illumination manuaal, but it is quick and fun!

Note that Exercises 1. When you use the Ortho tool, you are creating an orthographic image. Name the layer to be created Cities.

This exercise is optional, but it does demonstrate some of the ‘neat’ capabilities of Idrisi. Layer Interaction Effects 1.

GEOB Lab 3: Introduction to IDRISI

Ensure that the output file names are spelled the same, but end with the appropriate band. In the second week, complete the rest of Part 1, Exercises 1. Hand in the sellva of your Landsat image composition. Surfaces — Fly through and Illumination This exercise is optional, but it does demonstrate some maual the ‘neat’ capabilities of Idrisi.


You can access the tutorial from C: In the Explorer window, click on Files and you should see all 7 bands listed. Right click on the existing projects folder and select Change projects folder. Has it been resampled if so, how can you tell?

It sometimes takes a few minutes for Explorer window to refresh and for the new files appear in the listing. Click on Projects tab in the Idrisi Srlva window. Home Syllabus Schedule Projects.

Click in the image window where you want the beginning of the text to go. For this part of the lab you will take what you learned in the tutorials, and apply it to a local dataset: In order to complete Part 2 of this lab, copy the Landsat Do not save the zip file to H: To create a true colour composite of bands 1, 2 and 3: There is no save icon do not worry about this.