Questions tagged [raster-attribute-table]

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3
votes
1answer
161 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
votes
0answers
126 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 ...
0
votes
0answers
90 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
votes
2answers
329 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
vote
0answers
100 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
votes
1answer
439 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
votes
1answer
317 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
votes
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
votes
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
votes
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.