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0 votes
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 ...
Maja's user avatar
  • 33
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, ...
cataloop's user avatar
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,...
Morani's user avatar
  • 148
1 vote
1 answer
474 views

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 ...
Stu Smith's user avatar
  • 8,192
0 votes
1 answer
507 views

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&...
Kevin's user avatar
  • 1
1 vote
0 answers
149 views

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, ...
nora's user avatar
  • 131
1 vote
1 answer
386 views

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....
tigerwoulds's user avatar
0 votes
0 answers
88 views

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 ...
Putraditama's user avatar
1 vote
0 answers
1k views

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 ...
Jeff's user avatar
  • 399