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SteveLynch
Esri Regular Contributor
since
07-04-2014
Online
877
Posts created
14
Kudos given
65
Solutions
285
Kudos received
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My Ideas
(0 Idea Submissions)Latest Contributions by SteveLynch
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re-posted at http://forums.arcgis.com/threads/35984-Determining-contribution-of-environmental-variables-on-biodiversity
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08-10-2011
10:32 AM
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Do you have Java installed? Please see http://help.arcgis.com/en/arcgisdesktop/10.0/help/index.html#/Spline_with_Barriers/009z0000006r000000/ and what type of point feature class are you using? Thanks Steve
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08-04-2011
01:34 PM
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The following two geostatistical interpolation methods are added: Areal interpolation - This new spatial interpolation technique supports the frequent need to transfer data from one set of geographic areas to a set of different geographic areas. Having this capability helps to solve a significant problem for regional analysis because the data used are often from different sources that are collected in different areal units. Empirical Bayesian Kriging (EBK) - Kriging is an important tool in geostatistics. Empirical Bayesian Kriging differs from other kriging methods in ArcGIS Geostatistical Analyst by accounting for the error introduced by estimating the underlying semivariogram. It also simplifies the workflow by requiring minimal interactive steps from the end user. The beta web site has a series of tasks that you can do to learn about these new capabilities. Try out the new functionality and report your experiences, issues and questions here! Thanks Steve Lynch
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08-04-2011
09:27 AM
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Abby Setting the null values was only available in the Wizard and one cannot automate a Wizard workflow. However, a Geostat layer can be manipulated via the CreateGeostatisticalLayer GP tool. But you can't specify the Nodata values when using this tool. We then decided to remove the option from the Wizard. All tools in ArcGIS honor selections and ignore nulls, therefore Geostatistical Analyst is now in line with the rest of ArcGIS. Hope this helps in understanding why it was removed and sorry for the inconvenience. Steve
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07-27-2011
08:32 AM
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In 10SP1 we fixed it so that Raster To Polygon with all NoData will throw ERROR 010151: No features found To test if a Raster has all NoData run the IsNull tool. If the output is all 1 then it only has NoData Steve
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07-26-2011
02:33 PM
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Abby It is a 3 step process 1) arcpy.SelectLayerByAttribute_management('ca_ozone_pts', 'NEW_SELECTION', '"ELEVATION" = -9999') 2) arcpy.CalculateField_management('ca_ozone_pts', 'ELEVATION', 'NULL', 'VB', '#') 3) clear the selection or save the layer to a new FC in a file geodatabase Steve
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07-22-2011
09:28 AM
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1161
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Abby If you rather store your feature classes in a file geodatabase then <nulls> are supported, i.e. ignored. Else, leave the -9999 values and do a selection prior to using the Wizard. Steve
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07-20-2011
07:29 AM
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Chris Have you looked in the help? http://help.arcgis.com/en/arcgisdesktop/10.0/help/index.html#/Set_Model_Parameter/00300000001m000000/ Regards Steve
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07-09-2011
05:35 AM
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Andrew Persist the Join (i.e. CopyFeatures to new FC), can the field be used? Does IDW work? Can your use one of the joined fields to do Buffer (i.e. use your joined field in the Field control)? Thanks Steve
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06-09-2011
12:38 PM
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The points are not multipoint are they? If not, could you zip the points and email them to me (slynch@esri.com) Thanks Steve
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06-08-2011
09:30 AM
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We changed our searching neighborhood algorithm for ArcGIS 10. It appears that this is the cause of your speed issue. We made it more robust but appears that in your case it slowed down the process considerably. We�??re looking into fixing it. However, if you change the Sector type to 1 sector it�??ll be fast or you could also keep the 4 sectors but change the minimum neighbors to 0 and it�??ll be fast. The data that Bryce has is very densly sampled and the change of neighborhood will therefore not impact the predictions. Hope this helps Steve
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06-06-2011
01:49 PM
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Bryce Could you pachage the GA layer (in the following toolset, DataManagement->Package) and post it to the Forum or email it to me (slynch@esri.com) also, please let me know the cell size and raster format (grid or fGDB or ?) that you are exporting to. And, BTW, do you have any geoprocessing environments set, i.e analysis cell size, extent, snap raster, output coordinate system? And, BTW, the GALayerToGrid geoprocessing tool is the same that is used when right clicking on the GA layer and choosing Data->Export... Thanks Steve
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06-03-2011
07:32 AM
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Please can you contact Esri Support. Thank you Steve
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05-27-2011
04:02 AM
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Raster to Polygon only takes integer (or string) - period. This is by design since 9.0 The reason is that too many individual polygons will be created in most cases. In the case where one really wants float output, then can multiply the raster by, say 1000, and cast to integer, convert and then divide by 1000. This workflow has been repeated many, many times in this Forum. Steve
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05-26-2011
02:34 PM
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Can you run Spatial Analyst's IDW with the data, output cell size and output location and raster format? Thanks Steve
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05-26-2011
01:42 PM
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My kudoed posts
| Title | Kudos | Posted |
|---|---|---|
| 2 | a week ago | |
| 1 | 04-13-2011 01:45 PM | |
| 1 | 03-27-2024 10:37 AM | |
| 1 | 01-24-2022 06:28 AM | |
| 1 | 01-24-2022 10:30 AM |
Activity Feed
- Got a Kudo for Should you use the Save transformed dataset when model is run option?. a week ago
- Got a Kudo for Should you use the Save transformed dataset when model is run option?. a week ago
- Posted Should you use the Save transformed dataset when model is run option? on Spatial Analyst Suitability Modeler Tips and Tricks. a week ago
- 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
- Got a Kudo for Re: Clip Raster with Polygon Freezes ArcGIS.. 03-20-2024 10:47 AM
- Kudoed GP tool to split field with comma-delimited values into multiple rows for Bud. 03-15-2024 11:58 AM
- Posted Re: Re-opening Suitability Model on ArcGIS Spatial Analyst Questions. 03-06-2024 07:55 AM
Contact Me
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Online
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| Date Last Visited |
6 hours ago
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