IDRISI Selva is an integrated GIS and Image Processing software solution providing nearly 300 modules for the analysis and display of digital spatial information.

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4
votes
4answers
1k views

How to sample raster datasets at ALL points?

I know it is possible to use tools like ArcGis's 'extract sample' tool to extract values at a given number of points. I would like to sample every pixel in a raster, and drill down through all other ...
4
votes
3answers
2k views

what is the syntax for a Maximum operator in ArcGIS

The requested maximum operator is a function that produces a new raster with the highest values on a cell-by-cell basis from an array of coincident input rasters. It is the kind of Maximum Support ...
4
votes
1answer
243 views

How do I use a DHM in tiff format for distance and slope measurements?

I am a student and I have to work out a project about soil loss on a plot. I need basic measurements of this plot such as length, width, area and slope for my erosion calculations. I have got my ...
3
votes
2answers
2k views

IDRISI .vec file translator to ESRI shapefile format?

I've recently got hold of almost 20 years old IDRISI .vec files which I'd like to convert to ESRI shapefile. I've been struggling to find any translator for this file format so far. Does anybody know ...
3
votes
2answers
740 views

How to extract cell values from a raster file with Idrisi Taiga?

I need to convert raster cells into points. I use Idrisi and I need to generate a table containing xy (coordinates) and z (cell value).
2
votes
1answer
387 views

Fuzzy maps with QGIS/GRASSGIS

How to do fuzzy maps (FUZZY module in IDRISI) with QGIS/GRASSGIS?
2
votes
1answer
262 views

How to open a .k format (I think it is made with IDRISI product) with open source software

I just received a .k file which I know it was made with a IDRISI software (I do not know which). I searched the web and I did not find many information on this format apart for a very essential page ...
2
votes
0answers
47 views

Classification and measurement of feature basing on scan [closed]

It`s not entirely a GIS question, however maybe somebody can help. I need to automatically classify and then measure area of certain elements on image. That image is a scan of a thin wood slice and ...
1
vote
2answers
248 views

How to create an image of mean values from multiple NDVI images?

I have downloaded MODIS NDVI images of 12 months. I would like to create just 1 image with the mean values. I tried using IDRISI's 'NDVI compositing utility', but I get an error. Is there a way to do ...
1
vote
1answer
421 views

How to convert jpgs to RST for IDRISI Selva Image Processing

I would like to create a mosaic data set in IDRSI Selva however, my images are jpg. Is there a way to convert these within IDRISI or otherwise? Thanks.
1
vote
1answer
2k views

Converting ERDAS (*.img) file into headerless binary file?

I am having trouble converting an ERDAS (*.img) file into a headerless binary file. I want to use those images in the TIMESAT program. I'm trying to do this in IDRISI 32 but there is an error ...
1
vote
1answer
16 views

How to normalize Landcover criterian Map to 0-255 scale in Weighted Linear Combination?

I am interested to normalize Landcover raster image having 6 classess using fuzzy membership function (sigmoidal monotonically increasing) in Weighed Linear Combination (WLC) in the backdrop of MCE ...
1
vote
0answers
23 views

Probabilities matrices and cellular automata in IDRISI

I apologize for asking about such elementary things, but I am utterly new to IDRISI yet am now having to learn how to perform certain tasks with it on very short notice. Am I right that, when Markov ...
1
vote
0answers
171 views

converting coordinate/reference system on IDRISI Selva

i had converted my shp.coordinate/reference system from plane to UTM 48S in IDRISI Selva by change it directly at its layer properties. And after, theres message said that the changing is only for ...
0
votes
1answer
296 views

grouping village points based on distance and population size

I want to group a number of villages based on their distance to each other and total cumulative population size? any suggestions? Edit: To be clear, my question is as follows: 1, I have a vector ...
0
votes
0answers
110 views

Converting GeoTIFF to Idrisi raster (RST) in QGIS?

I need to convert a GeoTIFF file to Idrisi raster (RST) in QGIS. I've tried the following: Raster->Conversion->Translate It does not work and I do not know what to do? Annex GTIFF
0
votes
0answers
153 views

Import ArcGIS feature class to IDRISI

I have created several feature classes in ArcGIS for Desktop and organised them in a number of File Geodatabases. I am now thinking of migrating to IDRISI. I need to get at least my feature classes ...
-7
votes
0answers
11 views

The error occurred in the software IDRISI [duplicate]

The error occurred in the software IDRISI. How do you fix this error