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Programming GIS applications since 1988, primarily using ESRI technology. For more information see my linkedin profile.

My blog is here.


Nov
13
awarded  Nice Question
Nov
4
comment Unable to create object class extension COM component?
In arccatalog, can you see if any of the fields in your featureclass reference domains not found in the workspace?
Nov
4
answered Where can I find data on Vegetarian Restaurants in the US?
Nov
4
comment Why ArcMap.Application.Document is null on run?
Did you try setting onDemand = "false" for your custom tool in the config.esriaddinx file? Otherwise it will create it "just in time", which allows arcmap to start up faster. With onDemand="false", the ArcMap.Application.Document should be accessible in the OnUpdate override, as I recall.
Nov
3
comment Unable to create object class extension COM component?
Just guessing, but perhaps this would indicate that fields in your featureclass reference domains that are not found in the workspace. Do you have any domains in the workspace?
Nov
3
comment Why ArcMap.Application.Document is null on run?
Please update your code to show what you mean by "ArcMap is opened and selected myTool".
Oct
31
comment Why ArcMap.Application.Document is null on run?
Did you try casting the hook passed to the constructor as an IApplication member variable and calling that instead?
Oct
27
comment GIS software recommendation
Are you wanting to do custom indoor routing? If so, you may want to refine your question. I think that will certainly narrow the field of potential candidates.
Oct
23
revised How to cartographically represent water flow?
edited tags
Oct
23
comment How to fill gaps in a multipart polyline
see update to preserve gaps larger than tolerance.
Oct
23
revised How to fill gaps in a multipart polyline
added 10187 characters in body
Oct
22
revised Can pgr_dijkstra use a boolean column for routing?
deleted 60 characters in body; edited title
Oct
22
comment Unable to create object class extension COM component?
Of course the best thing to do would be to find the dll and register it in the "GeoObject Class Extensions" category using categories.exe.
Oct
22
comment Unable to create object class extension COM component?
Programmatically this can be done via IFeatureWorkspaceSchemaEdit.AlterClassExtensionCLSID. Not sure of a way to do it through the UI. If it's a personal mdb, you might try looking for a row in the ObjectClasses table for your featureclass, and clear out the EXTCLSID value for that row. Back up your mdb first.
Oct
22
revised Correctly merging DEM rasters and eliminating edge effects
edited tags
Oct
22
comment Unable to create object class extension COM component?
Do you know if these featureclasses relied on custom class extensions?
Oct
22
revised Removing disconnected cells in a stream network raster using ArcGIS
edited tags
Oct
22
revised How to fill gaps in a multipart polyline
added 5733 characters in body
Oct
21
comment Count overlapping polygons in single shape file with R
Here's a rather old VBA solution that leverages map topologies. It could be updated to C#, and maybe python, but not certain. forums.esri.com/Thread.asp?c=93&f=982&t=84656#249735
Oct
21
answered How to fill gaps in a multipart polyline