Questions tagged [terrset]
Use for questions about TerrSet Geospatial Monitoring and Modeling Software (which incorporates IDRISI GIS Analysis and IDRISI Image Processing)
0
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0answers
8 views
Turning image in TerrSet?
I'm just starting out and created a Landsat composite which I want to use in a map. Unexpectedly the image was turned upside down, South facing up.
How could this possibly happen and how can I turn ...
0
votes
0answers
22 views
Using Idrisi Land Change Modeler?
I am studying to use Idrisi especially Land Change Modeler.
I do not understand where or how I have file *.smp.
Can anyone help me?
1
vote
1answer
60 views
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 ...
0
votes
1answer
192 views
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-...
1
vote
1answer
78 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 ...
3
votes
0answers
161 views
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 ...
1
vote
1answer
188 views
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 ...
1
vote
1answer
594 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.
...
0
votes
1answer
76 views
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?
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0answers
50 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 ...
2
votes
0answers
159 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 ...
2
votes
0answers
80 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 ...
2
votes
1answer
180 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
111 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
626 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
2answers
944 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 ...
3
votes
1answer
1k views
1
vote
1answer
3k 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
976 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?
4
votes
1answer
324 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 ...
2
votes
1answer
343 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 ...
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 ...
2
votes
2answers
975 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).
4
votes
2answers
3k 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 ...
