Questions tagged [terrset]
Use for questions about TerrSet Geospatial Monitoring and Modeling Software (which incorporates IDRISI GIS Analysis and IDRISI Image Processing)
26
questions
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42
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Matching number of rows and column of two different cell size data for doing LULC changes in Terrset
I have two raster datasets:
NRSC LULC for ORISSA and
ESRI for ORISSA
They both have different cell sizes for which I used resample tool to make them but when I run those files on Terrset software in ...
- 11
1
vote
1
answer
87
views
OWA (Ordered weighted average) in TerrSet IDRISI
How is OWA done in TerrSet IDRISI ?
I have used three factor maps in scale 0 to 1 of wind, distance to grid and distance to road. Factor weights of wind = 0.6, Grid = 0.3, and road= 0.1. I give ...
- 33
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vote
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answers
26
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Inserting viewshed module into Terrset MacroModeller
How do I insert the viewshed module into Terrset's Macro modeller, or is there a way to run the command individually but not to insert it as a module?
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175
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Struggling to clip raster to vector in IDRISI. Windows do not overlap
I am trying to clip my raster to my vector in IDRISI. When I try to convert the vector to raster using my blank, it says vector and raster windows do not overlap. How do I fix this. I know I should ...
- 1
1
vote
1
answer
125
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How do I export training samples from IDRISI?
I have been tying to implement this paper on an SVM classifier wherein I need to extract training samples from an image and run an SVM classifier on it. The paper says the following:
IDRISI Andes ...
- 127
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1
answer
394
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Using IDRISI/TerrSet Python API gives ImportError: No module named win32com.client?
I am trying to use the Python API for TerrSet (formerly Idrisi) to run some tests. According to the downloadable API documentation (https://clarklabs.org/download/idrisi-applications-programming-...
- 482
1
vote
1
answer
155
views
Inverse of Euclidean distance in IDRISI? [closed]
I am trying to do the reverse / inverse of a euclidean distance in IDRISI (TerrSet). For example, I am doing distance to roads analysis. The output from the distance raster shows roads as 0 and areas ...
- 59
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votes
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answers
280
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Land Prediction Logistic Regression
I use terrset idrisi software to create land cover prediction map for the year 2023 in land change modeler. I am trying to do this by implementing logistic regression which is in transition-sub model ...
- 31
1
vote
1
answer
241
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Landsat 7 - 8 surface reflectance bands from ESPA (LEDAPS)
I have downloaded some Level 1 and higher level imagery data including surface reflectance as well.
I should process these data in Idrisi (Selva) package.
The Level 1 images' pixel values are between ...
- 11
1
vote
1
answer
1k
views
RasterVector conversion in IDRISI selva
I am using Idrisi selva for converting road network map in raster but it always shows "Vector raster window do not overlap". I have checked coordinate system for every related vector and raster file.
...
- 31
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115
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What does "cell" stands for in IDRISI?
Is "cell" in IDRISI (for ex. in area calculation) the same thing as pixel? Or what else it is?
- 484
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56
views
Preparing success rate diagram in IDRISI?
I am looking to produce 'Success Rate Curve' of my Landslide Susceptibility Zonation Map' earlier prepared in IDRISI Selva 17.0 edition.
Is there any way to produce the following diagram in the ...
- 1,151
2
votes
0
answers
232
views
Size of an object in raster image based on DPI resolution and number of pixels
I'm trying to estimate the size of an object in a raster image, with known DPI resolution.
To evaluate the validity of this method, I do as follows:
1) I'm drawing a 0,02 in × 0,02 in black square ...
- 484
2
votes
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answers
81
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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 ...
- 484
2
votes
1
answer
278
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 ...
- 1,151
1
vote
0
answers
158
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 ...
- 619
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vote
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answers
904
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 ...
1
vote
2
answers
1k
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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 ...
- 451
3
votes
2
answers
3k
views
1
vote
1
answer
3k
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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 ...
- 639
1
vote
1
answer
1k
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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?
- 2,508
5
votes
1
answer
382
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 ...
- 51
2
votes
1
answer
403
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 ...
- 301
4
votes
4
answers
2k
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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 ...
- 175
2
votes
2
answers
1k
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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).
- 21
4
votes
2
answers
3k
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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 ...
- 519