Jay Cummins
  • Member for 11 years, 6 months
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Difference between network dataset and geometric network in ArcGIS Desktop?
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26 votes

The geometric network is used to model things like utility networks, drainage, or any other network where the commodity does not have free will. Network dataset is used for networks where "an agent" ...

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Any low-cost Virtual Private Servers able to run GeoServer?
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22 votes

I just deleted one of my Amazon EC2 instances where I had GeoServer running on it. You can spin up a micro instance for 2 or 3 cents / hour depending on linux/windows. But I only use them to play, I ...

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Downloading SRTM data
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16 votes

Update: I think wget would be better, i just don't use it very often: wget -r -A.zip http://dds.cr.usgs.gov/srtm/version2_1/SRTM3/ Also see for some retrieval wait options (if you want to be ...

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Copying domain (and only domain) between Esri geodatabases?
16 votes

For coded value domains, I'll do a Domain To Table from the source geodatabase and then do a Table To Domain into the new geodatabase. I don't know of a way to this for the range domains. You can do ...

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Is Geoslavery complicity a violation of GISP code of Ethics?
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16 votes

With the code of ethics being a set of guidelines, I think there will be varying interpretations. For me, I would interpret this sort of coercion as a violation. IV. Obligations to ...

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Are layer files compatible between ArcGIS 10 and 9.3?
15 votes

No. I receive this error in 9.3.1: You have to save them at the correct version. Right-click on a layer, select Save As Layer File... Then use the Save as type drop down list to select different ...

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Is there a way in QGIS 3 to get a selected feature WKT?
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14 votes

I am not sure if this was actually part of QGIS 2.x since I always used the getWKT plugin. But the WKT is accessible from the Identify window context menu: Result: wkt_geom id OBJECTID ...

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Opening ArcGIS Desktop on specific license level?
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14 votes

If you want to control the license on a per-application basis, you could create batch files that set the ESRI_SOFTWARE_CLASS variable to either Professional,Editor,Viewer and then start ArcMap/...

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Using ArcGIS Desktop with SQL Server Spatial as backend?
13 votes

Since you've tagged the question for ArcGIS 10, check out Query Layers: http://help.arcgis.com/en/arcgisdesktop/10.0/help/index.html#/What_is_a_query_layer/00s50000000n000000/ I've used it to connect ...

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Defining projections for multiple shapefiles in ArcMap?
13 votes

If they are in the same directory, something like this would work (just replace your paths, maybe add in some exception handling): import os, shutil wgs84prjpath='c:/Program Files/ArcGIS/Desktop10.0/...

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Creating Directional Flow Arrows for sewer lines?
12 votes

Most of the sewer pipes I've seen have the directional arrow at the end of the line, but I had users that wanted the directional arrows along the entire line, at a reasonable interval. It was a 2-...

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How do I import/export KML to ArcGIS Desktop?
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12 votes

A "Clear Winner" is too subjective of a question. Since you indicated cost as a criteria, here are some free (or built-in) options: KMLToLayer tool is available in ArcGIS 10 which puts the data ...

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Resolving "ERROR: could not open extension control file" from "create extension postgis;' for PostgreSQL 10?
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11 votes

I found this question and answer on stackoverflow.com for PostgreSQL 9.6: https://stackoverflow.com/questions/42806784/how-to-alter-the-path-for-postgres-looking-for-extensions. This answer also ...

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SELECT TOP query in ArcGIS Desktop?
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11 votes

If your underlying database supports sub queries, you can build a query with a TOP N that returns ObjectIds (or any other field) and use that in your definition query. OBJECTID IN (*query here*) For ...

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Why do simple joins on small datasets slow down ArcMap so badly?
10 votes

I regularly need to join to another depts featureclass: SDE featureclass with no indexes on anything. Copying to a local file geodatabase + index builds really speeds things up. Since it's ...

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Seeking examples of beautiful maps?
10 votes

For the Lord of the Rings fans: LOTR-style USA map

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Adding shapefile or feature class as layer in ArcMap using ArcPy
10 votes

Make Feature Layer (Data Management) http://help.arcgis.com/en/arcgisdesktop/10.0/help/index.html#//00170000006p000000.htm I just tried it in the Python window of ArcMap and it adds directly to my ...

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Labels not appearing on any layer in ArcMap?
9 votes

Some things to try: Add the featureclass or shapefile to map again, don't move it into a group layer, don't set any scale ranges and turn on labels. This will tell you if there's something wrong the ...

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Exporting table from ArcGIS Desktop to Excel file?
9 votes

Do you receive the same error by copy/pasting records? This is from memory, but if you right-click on the gray row indicator box, your menu should have "Copy Selected Records". Then you can paste ...

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Saving project with data source path as relative in QGIS?
8 votes

In version 2.18, the relative path was an option but didn't actually work. Project ➜ Project Properties ➜ General ➜ General settings ➜ Save paths. However, it does work in 3.2: Project ➜ Properties ...

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ArcGIS 10 Add-In compile problem - Why are new edits to code igonred by ArcMap?
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8 votes

I had a similar issue to this and resolved it by deleting the corresponding cache directory for my add-in: %LOCALAPPDATA%\ESRI\Desktop10.<x>\AssemblyCache where x is 1,2,3,4, or 5. C:\Documents ...

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Converting WKT to SHP?
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8 votes

If it's a one-off operation, you can install the QuickWKT plugin for QGIS. Press the Black/Red WKT Button: and enter your WKT: And press OK. That will add the layer. Then right-click to save the ...

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Creating 9.3 version of geodatabase in ArcMap 10?
8 votes

Swingley's answer should be the accepted answer, but I'll offer this up as an alternative since I know this to be common: Make a copy of an existing empty 9.3 geodatabase. At each ArcGIS release, I ...

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Deployment options of ArcMap AddIn?
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8 votes

The Esri ArcGIS Add-In Installation Utility is the installer for the AddIn. A user would typically double-click the *.esriAddIn file which would call ESRIRegAddIn.exe. Alternatively, you could ...

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Centering polygon on specific coordinates using QGIS
7 votes

This answer is for QGIS 3.4. See this answer for earlier versions: Moving vectors to specified coordinates in QGIS? I was able to do this by creating a centroid for a polygon: Then moving the ...

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Converting between Esri Geometry and WKT using ArcObjects?
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7 votes

In the past, I've used Sharpmap's converter, but I had to get to WKB first. I don't know if it is the best option now. SharpMap.Geometries.IGeometry sharpGeom = SharpMap.Converters.WellKnownBinary....

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Getting script file name as object in Python?
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7 votes

os.path.basename(__file__) is what I use (if your script name is your filename). You might to consider using actual python logging as well. Your log statements can go to multiple targets (stdout, ...

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Show Log of the Sql statements that QGIS generates to retrieve Data from Postgis
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7 votes

You should be able to obtain logs from Postgresql once you configure it. I typically will set log_statement = 'all' in my postgresql.conf, even on production databases (with a separate cleanup ...

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Is there a way to automatically increment the Version value in the Config.esriaddinx file?
Accepted answer
7 votes

The Python option works for me: c:\Python26\ArcGIS10.0\python.exe C:\sandbox\py\misc\UpdateAddInVersionNumber.py "$(ProjectDir)Config.esriaddinx" (Python gurus, feel free to jump in and make it ...

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Is there a way to configure ArcMap to persist the HTML popup window size?
7 votes

Expanded answer based on @petr k.'s accepted answer. The example in the ESRI forum is using a URL, but I was able to knock out the src attribute and set the height to 0 in order to control my width: &...

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