Questions tagged [raster-attribute-table]

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Viewing the Attribute Table for a 32-bit Float raster?

Basically I have multiple water table depth (WTD) rasters (from Fan et al) that I would like to use in order to carry out some area tabulations for specific zones. The rasters cannot be read into the ...
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1answer
60 views

Read RAT (raster attribute table) using GDAL or other python libraries?

Referring to this post, is there any update on the reason why GDAL function band.GetDefaultRAT() always returns NoneType? I can't find much documentation. I've tried to create a RAT for testing (...
3
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1answer
179 views

Change raster cell size while keeping attributes

I have a raster with a cell size of 1 and I want to increase the cell size to 5 so I use the Aggregate() function in ArcMap 10.4. The problem I'm seeing is that after processing I lose the desired ...
2
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0answers
128 views

How to use show Raster Attribute Table in OpenLayers?

I have some GeoTIFF files that I am showing on an openLayers map using GeoServer. Now, I wish to access a Build Raster Attribute table on my web application. In other words, if a user clicks on a ...
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0answers
96 views

How to view raster attribute data in QGIS? [duplicate]

I have a single band, 8-bit, unsigned integer tif (National Land Cover Data). When I view it in Arcmap 10.4.1, I am given the opportunity to also view it's attribute table: However, when I view this ...
2
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2answers
333 views

Checking whether Raster has Attribute Table using ArcPy?

I can't seem to find a Describe property or any tool that will tell me whether a raster has an attribute table. I can do it with a simple try/except statement on a test cursor or a table-specific ...
1
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0answers
104 views

clipped raster but attribute table not updated?

I have a nightlights raster file of India, and I clipped it using the block shapefile for India. After the clipping, the clipped raster files have the attribute of the original raster file. I want the ...
3
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1answer
464 views

What is a raster attribute table?

I've seen raster attribute tables mentioned in several places here at GIS.SE and at ESRI websites. However, I don't understand what is a raster attribute table (RAT). The resources I found so far ...
2
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1answer
332 views

Export RAT (KEA driver) to Shapefile

I have a dataset of rasters (driver kea) whose has, let's say, 20-30 attributes in their RAT. I'm realizing how to have these attributes in shapefiles (without using proprietary software). I've read a ...
2
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1answer
6k views

Build Raster Attribute Table from .tif with pixel type of float or double?

I have a raster with the extension .tif. It's a subset of 87x87 pixel with values from some 6,66 to -4,27. If I right click on it there is no Attribute Table available. However, I can change the ...
6
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3answers
18k views

Creating attribute table for raster data?

I have raster dataset for rainfall but it does not have an attribute table. How can I create tabular data using the same raster file and the join back again to it? Software used is ArcMap 10.1.
0
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1answer
2k views

how to create a new raster from one field of a raster with several fields in a RAT

I have a raster with an attribute table containing many fields. I want to create a new raster from one field using ArcGIS 10.1.