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SteveLynch
Esri Regular Contributor
since
07-04-2014
yesterday
879
Posts created
14
Kudos given
65
Solutions
286
Kudos received
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My Ideas
(0 Idea Submissions)Latest Contributions by SteveLynch
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If you are interested in mapping rainfall over southern Africa you should have a look at http://www.wrc.org.za/Pages/DisplayItem.aspx?ItemID=7656&FromURL=%2fPages%2fKH_AdvancedSearch.aspx%3fdt%3d%26ms%3d%26d%3dDevelopment+of+a+raster+database+of+annual%2c+monthly+and+daily+rainfall+for+Southern+Africa%26start%3d1 and http://www.wrc.org.za/Pages/DisplayItem.aspx?ItemID=8092&FromURL=%2fPages%2fKH_AdvancedSearch.aspx%3fdt%3d%26ms%3d%26d%3dMapping+mean+annual+and+other+rainfall+statistics+over+Southern+Africa%26start%3d1 Regards Steve
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01-08-2013
07:20 AM
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ERROR 000863: Invalid GP data type". Patrick The barrier feature class must be polyline. You might be trying to use a polygon FC. Steve
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01-07-2013
12:33 PM
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Delete all the temporary files in http://resources.arcgis.com/en/help/main/10.1/index.html#//0031000000p3000000 and reboot the computer. Run test on computer 1 and repeat the exercise on computer 2. How different are the times?
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01-04-2013
11:51 AM
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What version of ArcGIS do you have? And, have you thought of using TopoToRaster which is in the Spatial Analyst toolbox? Regards Steve
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12-19-2012
06:31 AM
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Use the IsNull tool. Output raster will be integer with a table and the count for value =1 will be the number of NoData cells and count for value=0 will be the number of cell that have data
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12-17-2012
06:44 AM
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The most important factor for interpolation is that it only deals with a continuous variable. In other words something like rainfall or temperature. And not something like soil types or tree diameters. Cross validation should also be used to make sure that you are not totally wrong. Also, what do you mean by "seights"? Thanks Steve
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12-17-2012
06:36 AM
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grid name can't have a space. Try changing ct_ma test to ct_ma_test steve
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12-07-2012
11:52 AM
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On Linux the grid names must be lower case (same for coverages). Steve
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12-04-2012
01:41 PM
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Daniel Have a look at http://resources.arcgis.com/en/help/main/10.1/#/Working_with_large_datasets_in_Geostatistical_Analyst/0031000000p3000000/ Regards Steve
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11-27-2012
01:07 PM
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If you have point data on a grid (1m x 1m), why not use PointToRaster with an output cell size of 1m? If you do kriging, do you want to go finer than 1m? and are you interested in the standard error of prediction surfaces? Regards Steve
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11-27-2012
07:07 AM
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have a look in the doc, http://resources.arcgis.com/en/help/main/10.1/#/How_Polygon_To_Raster_works/001200000037000000/ Viz., If priority is specified, and: The feature in question overlaps the cell by less than 50%, and: - The priority is greater than zero, then it is considered. - The priority is equal to zero, then the feature is not considered. Add a field to your polygon feature class and populate it with 1's and use this as the priority field. BTW, from ArcGIS 10 onwards, FeatureToRaster internally calls Point, Polyline or Polygon to Raster. Regards Steve
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11-21-2012
11:16 AM
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TopoToRaster's input can be float, integer or double. The output, however, will always be float (i.e 32 bit) Steve
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11-14-2012
12:05 PM
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Rachel If you also have Geostatistical Analyst and ArcGIS10+ I would suggest that you try Kernel Interpolation With Barriers The advantages include; optional standard error of prediction output and it does not use "line of sight" but rather "shortest distance around the barrier". REgards Steve
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11-08-2012
06:32 AM
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Hi, I tried the input barrier polyline option by converting the polygons to polylines but this didn't work and still interpolated outside the polylines. The barrier option in IDW uses a "line of sight" technique to determine which points are used when making a prediction at a location. Therefore, for example, if you have high values to the left of a barrier and low values to the right then your output will have a clear "split". The mask option that is suggested by m.gasior clips the output after all the interpolation has been done. You have to decide what you want, viz., - predictions should be influenced by the barrier, then use the barrier option - clip the output after interpolation is done then use the mask environment option. Hope this helps Steve
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11-07-2012
02:44 AM
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My kudoed posts
| Title | Kudos | Posted |
|---|---|---|
| 1 | a month ago | |
| 2 | 12-01-2025 05:07 AM | |
| 1 | 04-13-2011 01:45 PM | |
| 1 | 03-27-2024 10:37 AM | |
| 1 | 01-24-2022 06:28 AM |
Activity Feed
- Posted Re: Suitability Modeler on ArcGIS Pro Questions. a week ago
- Got a Kudo for How to use criteria that have already been transformed. a month ago
- Posted How to use criteria that have already been transformed on Spatial Analyst Suitability Modeler Tips and Tricks. a month ago
- Got a Kudo for Should you use the Save transformed dataset when model is run option?. 12-02-2025 05:18 PM
- Got a Kudo for Should you use the Save transformed dataset when model is run option?. 12-01-2025 08:07 AM
- Posted Should you use the Save transformed dataset when model is run option? on Spatial Analyst Suitability Modeler Tips and Tricks. 12-01-2025 05:07 AM
- Posted Re: Suitability Modeler-Score on ArcGIS Spatial Analyst Questions. 08-25-2025 05:28 AM
- Got a Kudo for Re: How to intersect a raster and vector. 02-20-2025 12:31 PM
- Got a Kudo for Re: Clip Raster with Polygon Freezes ArcGIS.. 02-11-2025 06:40 AM
- Posted Re: Export Raster — Entering an output path without a file extension shouldn't automatically change filetype to GRID on ArcGIS Pro Ideas. 02-10-2025 03:37 AM
- Posted Re: Suitability Modeler does not display criteria raster after saving and opening on ArcGIS Pro Questions. 02-05-2025 10:29 AM
- Posted Re: Inverse selection in attribute table on ArcGIS Pro Ideas. 11-09-2024 06:01 AM
- Posted Re: Suitability Modeler Scale Miscalculations on ArcGIS Spatial Analyst Questions. 11-06-2024 07:24 AM
- Posted Re: GP tool to select unique rows, break ties using rank fields on ArcGIS Pro Ideas. 08-26-2024 11:39 AM
- Got a Kudo for Re: Is there a tool to convert the cells of a raster to vector?. 08-10-2024 09:46 AM
- Got a Kudo for Re: Create polygons that group certain number of points in ArcGIS. 05-13-2024 02:49 PM
- Kudoed Save output to the same folder as the input, or remember last save location for pdtanimot. 04-22-2024 05:17 PM
- Got a Kudo for Re: How to combine rasters without losing any extent. 04-11-2024 07:00 AM
- Got a Kudo for Re: Re-opening Suitability Model. 03-27-2024 10:55 AM
- Posted Re: Re-opening Suitability Model on ArcGIS Spatial Analyst Questions. 03-27-2024 10:37 AM
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