Questions tagged [raster-attribute-table]

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1answer
39 views

Polygonizing LineString features to Polygon features and keeping Attribute table values using PyQGIS

i am trying to create a circular raster in Qgis3.8.3-Zanzibar with the Python console. I am able to make it with LineStrings (combine of Polyline and Circular String) and fill each feature with ...
0
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0answers
55 views

Plot different layers from RasterStack object in R

Is there any way to automatically plot each layer from a RasterStack in R. I'm a little bit lost in the vast amount of options. There is tmap, mapview and also leaflet... For example if you have a ...
0
votes
1answer
25 views

Joining tables that have different numbers of rows using ArcMap?

I am trying to join a table to a raster output for an assignment in ArcMap (10.7), but they both have different numbers of rows. Is it possible to join them?
1
vote
1answer
167 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
votes
1answer
204 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
138 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
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0answers
114 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
364 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
107 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
573 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
370 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
19k 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.