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PatNussey
New Contributor II
since
04-19-2018
12-10-2020
5
Posts created
0
Kudos given
1
Solutions
1
Kudos received
My Ideas
(0 Idea Submissions)Latest Contributions by PatNussey
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Thank you for the suggestions. I have found that the Euclidean Allocation tool seems to do the same thing if you set the distance to a multiple of the raster cell size.
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08-07-2019
05:49 AM
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It is a step in a model that was build with ArcInfo that does not seem to be accepted in ArcGIS Desktop. The expand step follows a Region Group function on a raster to assign a unique ID to each contiguous raster area. The expand step, I believe is to remove small gaps between region groups. The map algebra expression in the old model is: expand(wetrg, 1, table, %Workspace%\wetrg.vat) Where wetrg is the region group output raster from the previous step. The workspace has been specified in the environment settings.
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07-31-2019
09:54 AM
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It is a really big raster with over 700,000 zones, so this approach might be too cumbersome. Is there a way to describe the zones by calling on the input raster's attribute table to iterate through the values?
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07-31-2019
08:12 AM
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I am using ArcMap 10.6.1 and I need to expand a large raster with thousands of zones by 1 cell using either the expand tool or a map algebra expression. How can I write the expression to expand all zones in the input raster without entering each zone value separately. Is there a way to write it so it expands zones from one number through to another? So for a range of raster values from the input raster.
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07-31-2019
05:34 AM
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I have a stream reach catchment raster and polygon layer generated via the archydro workflow with a user defined stream network. I would like to create a watershed hierarchy (levelled watersheds) from the catchments layer. It would be something like the HUC watershed hierarchy for the USA. How can I combine the reach catchments into hydrological units of increasing basin size? Is there some way to use stream order to assign pour points? Is there an archydro tool that can do this in an automated way. My area of analysis is very large, so manual placing pour points is not an option. I am using ArcGIS 10.4.
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09-20-2018
06:42 AM
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Activity Feed
- Got a Kudo for Re: How to Expand a raster with many zone values. 11-11-2020 02:05 AM
- Posted Re: How to Expand a raster with many zone values on ArcGIS Spatial Analyst Questions. 08-07-2019 05:49 AM
- Posted Re: How to Expand a raster with many zone values on ArcGIS Spatial Analyst Questions. 07-31-2019 09:54 AM
- Posted Re: How to Expand a raster with many zone values on ArcGIS Spatial Analyst Questions. 07-31-2019 08:12 AM
- Posted How to Expand a raster with many zone values on ArcGIS Spatial Analyst Questions. 07-31-2019 05:34 AM
- Tagged How to Expand a raster with many zone values on ArcGIS Spatial Analyst Questions. 07-31-2019 05:34 AM
- Tagged How to Expand a raster with many zone values on ArcGIS Spatial Analyst Questions. 07-31-2019 05:34 AM
- Tagged How to Expand a raster with many zone values on ArcGIS Spatial Analyst Questions. 07-31-2019 05:34 AM
- Posted Watershed hierarchy delineation from reach catchments on Water Resources Questions. 09-20-2018 06:42 AM
- Tagged Watershed hierarchy delineation from reach catchments on Water Resources Questions. 09-20-2018 06:42 AM
- Tagged Watershed hierarchy delineation from reach catchments on Water Resources Questions. 09-20-2018 06:42 AM
- Tagged Watershed hierarchy delineation from reach catchments on Water Resources Questions. 09-20-2018 06:42 AM
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