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- About DavidPike
DavidPike
MVP Notable Contributor
since
01-21-2020
a month ago
2725
Posts created
1006
Kudos given
392
Solutions
1286
Kudos received
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My Ideas
(0 Idea Submissions)Latest Contributions by DavidPike
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I think your input needs to be a table view for your getCount function, rather than the feature class.
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04-27-2020
10:27 AM
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absolutely, Generate Tessellation—Data Management toolbox | Documentation this may not be available on your version of arcmap if its quite old however. The fishnet tool would be useful if not.
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04-27-2020
05:14 AM
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Ah ok, those raster density outputs aren't really designed for attribution in a tabular form. I'd highly recommend making that grid of hexagons (play about with the size you want) then do a spatial join based on those points.
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04-27-2020
05:04 AM
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Hi, the problem is you cant apply a join to a dataset, it must be a layer. arcpy.MakeFeatureLayer(in_features, out_layer) arcpy.MakeFeatureLayer(repeatTable, "repeatTable_lyr") then swap out your join repeatable for the layer, "repeatTable_lyr" will exist in the memory workspace or a workspace you specify, you can also of course assign it to a variable. https://pro.arcgis.com/en/pro-app/tool-reference/data-management/make-feature-layer.htm
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04-27-2020
04:46 AM
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Hi Chad, you may want to search for Point Density and Kernel Density, they are similar but there are important differences between them. If you want to use an aggregation method, I personally like to generate a grid of spatial bins, then count how many points are within each bin using the Spatial Join tool. Generate Tesselation is a great tool which can also produce a hexagonal grid of bins (Hexagons are the most complex regular shape that can be tessellated, and have equidistant centres to all their neighbours!).
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04-27-2020
04:36 AM
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What you need to do is add the join to the shapefile table, not your csv. The attributes of the matching records from your csv will be transferred to the attribute table of the counties shapefile. Because a join is temporary in nature, you will then have to export the shapefile to a new one (right click on the the shapefile in the table of contents, data->exportdata).
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04-26-2020
10:32 AM
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Try swapping your target and join features, but retain the 'sum' merge rule
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04-26-2020
04:46 AM
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Great question, after some research I came across this: Local Cartesian Projection—Help | ArcGIS for Desktop https://pro.arcgis.com/en/pro-app/help/mapping/properties/local.htm
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04-26-2020
04:40 AM
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I don't fully understand the question, which data types are you joining? If it's a spatial join you will need to save the displayed data into a gis format first, right click on the displayed data in the TOC and go to data->export data
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04-26-2020
04:33 AM
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I don't know if field.name is returning aliases, im not sure on that one. you could use a wildcard if it becomes a sticking point '*'. yes, if row[1] in useskey: row[2] = uses[row[1]] this sets a test that the DOR_UC field value is in the key list, then sets "TEST" to the dictionary key value.
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04-23-2020
10:50 AM
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I'm guessing you've put the field list in for our benefit? It doesn't look light theres anything wrong with that fieldlist, but you may want to try baseName. from the actual cursor, it looks like you're using the in statement the wrong way around, and also trying to set the output to a list of values which won't work.
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04-23-2020
10:11 AM
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Hi all, ArcMap 10.7.1.11595 Just tried to do a basic Raster Calculator tool division on my raster and it was coming up with only a few classes as a result. After thinking I've gone mad or made some basic error, I tried entering the divisor as a float, e.g. x/2.0 rather than x/2. Entering it as a float worked. Is this something I've missed as the tool has gone on (usually do raster algebra in arcpy) or is this the result of me messing up the Python library somehow? Am I going crazy? I don't remember having to enter a float before.
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04-23-2020
09:48 AM
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How would this be implemented Steve? is there some way to look for containment?
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04-22-2020
01:47 PM
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For a vector, a handy trick is to use the Union geoprocessing tool with only one input and the 'allow gaps' option disabled. It is however a bit temperamental.
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04-22-2020
01:14 PM
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I'm unsure of any specific tools, but I would consider doing this mathematically in a script, run a search cursor to retrieve the length and direction fields then do some maths to figure out the coordinates of the new vertices. then run a point to line (be considerate of order) then a line to polygon. this assumes a projected coordinate system.
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04-22-2020
05:39 AM
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My kudoed posts
| Title | Kudos | Posted |
|---|---|---|
| 1 | 03-17-2023 12:44 PM | |
| 1 | 06-13-2025 01:08 PM | |
| 1 | 09-25-2025 03:19 PM | |
| 1 | 09-24-2025 02:35 PM | |
| 1 | 09-17-2025 02:42 PM |
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- Got a Kudo for Re: Broken bookmarks in Arc Pro. 12-19-2025 08:08 AM
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- Posted ArcMap 10.8.2 virtualisation - Azure Virtual Desktop (AVD) on ArcMap Questions. 12-03-2025 11:07 AM
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