All Questions
Tagged with arcgis-10.5 raster-calculator
9
questions
0
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0
answers
43
views
Losing raster quality when using raster calculator (ArcGIS Desktop 10.5.1)
I'm currently working with DEM rasters that I hillshaded. The data I received contain nodata borders, probably the footprint of the originial mosaic dataset. As I received them separately, I can't ...
0
votes
1
answer
84
views
Divide all values in ASCII table (or raster file)
I have a pile of ASCII files representing 5min radar precipitation sums. The information is given in 1/10 mm which I need to convert into mm for further processing.
Is there a way of doing this, ...
2
votes
1
answer
746
views
Inverting raster changes my min and max values
I am trying to invert a raster in ArcGIS (10.5), and have used the following expression (from esri support page) in the raster calculator:
invert = (("raster_file" - maximum) * -1) + minimum
However,...
1
vote
1
answer
474
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Iterate Rasters will not connect to the Raster Calcuator tool
Using ArcGIS Desktop, 10.5.1 I need to iterate through hundreds of FGDB rasters (single band, 16-bit, unsigned) that are stored in a single FGDB. I need to modify each iterated raster with the Raster ...
0
votes
1
answer
507
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Removing Clouds From (Landsat8) NDVI Imagery with ArcMap? [duplicate]
I recently was able to generate NDVI images from Landsat 8 using Arcmap. My end goal is to run some zonal statistics over specific neighborhood polygons, however with the cloud values (ranges of 0.002&...
1
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0
answers
149
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Comparing normalize options of ArcGIS Desktop?
I am wondering if the tool “rescale by function” is definitely doing the same than the raster calculator with the expression ("raster"-min("raster"))/(max("raster")-min("raster"))*100? (I guess so, ...
1
vote
1
answer
386
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Getting extreme values for NDWI calculation for Landsat 8 Imagery
I am currently in a remote sensing course at my university and am working on a change detection project. I am having some trouble creating an ndwi raster from landsat 8 imagery. I am using arcgis 10.5....
0
votes
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88
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Patch DEM data gap with raster calculator
I have DEM data with some gaps that I want to patch with lower resolution DEM. Using raster calculator on ArcMap 10.5, I used this syntax:
Con(IsNull("original.tif"),"lowres.tif","original.tif")
But ...
1
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0
answers
1k
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Dividing the values of one rasters on a cell-by-cell basis
I have been trying to divide an ArcGIS (ver 10.5) generated raster layer by a constant and continue to receive errors (Error - 000539).
My first attempt was to simply divide the raster by my ...