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ArcGIS Raster Calculator Error 000539
I am getting the error-000539: Error running expression: rcexec(). I've seen that other people have this same issue but I am not sure how to fix mine. I just want to average the values of 10 rasters,...
View ArticleRaster calculator giving error "No reference layer selected nor CRS provided"
I want to calculate some vegetation index in QGIS. I use the raster calculator, but when I run the process it give me this error:Traceback (most recent call last):File...
View ArticleMultiply all negative values of DEM by -1 in QGIS Raster Calculator
I have a Digital Elevation Model raster with negative values in QGIS software. I would like to know how to multiply all negative values by -1, i.e., all values less than 0, turning them into positive...
View ArticleUsing abs function in QGIS Raster Calculator
Is it possible to use the Abs() function in the raster calculator in QGIS?I've tried it, but it didn't work.
View ArticleSpecify field of raster in Raster Calculator expression of ArcMap
In Raster Calculator I need to apply the next expression:Con("raster1%","field3")==Integer, Lookup("%raster2%","field3"),Lookup("raster1%","field3"))or more...
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Dealing with no-data values in raster calculator of QGIS
I am trying to patch two rasters with raster calculator but I am not finding the way to work with no-data values.Lager@1 has some information I need as first option, this has as no-data -9999 (reading...
View ArticleConverting floating point raster to vector
I'm trying to convert a raster layer to vector but I'm really struggling.First it says that I have floating points rather than integers so I have I have seen you can use raster calculator to multiply...
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Dealing with no-data values in QGIS Raster Calculator
I am trying to patch two rasters with the raster calculator but I am not finding a way to work with no-data values.Lager@1 has some information I need as the first option, this has no-data -9999...
View ArticleTypeError: unsupported operand type(s) for -: 'str' and 'int'
I have 732 temperature rasters (366 min and 366 max temp) that I want to manipulate depending on if the max temperature was greater than a specified and constant crop category temperature. import...
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Raster reclassification with QGIS
Is it possible to assign a value to each pixel in this image from the legendwhich is in *.png format with QGIS?I have an image whose pixels do not contain the values ​​as shown in the legend. The image...
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Calculate percentile value of raster
I want to set null all raster values that fall below the 75th percentile value. E.g. If you classify the raster by quantile method into 4 classes I want to be left with the top 25% percentile. For the...
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Terracing and data format issues when converting DEM from float32 to UInt16
I have spent quite a bit of time trying to figure this issue out; I was hoping someone on here could give some advice on what to do. I am having issues with terracing on my 3D model in Blender and I...
View ArticleNormalize raster in R
I'm a noob in R.I want to normalize all imported rasters (0-1) through R, I use the scale function but the range of the results is not between 0-1. I would like to know if there is any way to normalize...
View ArticleCalculate the mean of files generated from gdal.Translate
I created several velocity maps from .nc files through gdal.Translate. Each .nc file is organized in several bands, I am only interested in 1: velocities. gdal.Translate allows me to select only the...
View ArticleUsing Raster calculator gives ERROR 000539
I'm new with ArcGIS. I would like to do a calculate of NDWI. So I'm using Arctoolbox => Spatial analyst tools => Map Algebra => Raster calculator.But when I'm trying to perform it, I get this...
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ENVI band math incorrect values
I'm attempting to calculate vegetation indices in ENVI 5.2 using level-2 AVIRIS data in band math.The indices I'm working with are Vogelmann Red Edge 2, normalized difference red edge, and red edge...
View ArticleHow to select classes from a GeoTIFF world map and compute the area by...
I have two files:fileLUse.tif defines land cover classes in GeoTiff format (from https://www.esa-landcover-cci.org/?q=node/164)fileRegions.shp defines administrative borders and it is a shapefile (from...
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QGIS graphical modeler and raster calculator
I'm making a graphical modeler that creates me a kind of DSM, like that:I create a DEM for my extent (I have the DEM for my whole country).I have the Lidar for the height of the forest and I extract it...
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Using Raster Calculator Con(isnull) with ArcMap
I am using ArcMap 10.4.1 and the Raster Calculator to subtract polygons of clouds, land etc from my DEM. I use the statement:con(isnull, Cloud, DEM) and set the processing extent to environments of...
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Summation of rasters shrinks area of interest
I have a raster representing a street network, a raster with values on that street network (sum_raster), and a vector layer with a number of polygons. Those polygons get iterated over and rasterizet...
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