IBM DB2 is a relational model database server that can be made spatially aware and thus integrate with a number of GIS products.

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Polygon dissolve in DB

I have a polygon feature class with more than 100,000 polygons in DB2 table. I would like to dissolve them based on a single field to reduce the row numbers. Is there any commands / SQL in DB2 to ...
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258 views

Accuracy of planimetric geometry vs. ellipsoidal model

I'm examining the two geospatial options for IBM's DB2 database. In particular I am interested in the accuracy between these two options and whether it's worth it (the more accurate representation ...
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Viewing ST_MULTIPOLYGON data from ArcSDE DB2

We have inherited some tables that were created with ArcGIS/ArcSDE, and the data in these is still being used by our main web application to perform some spatial lookups. The queries are pretty ...
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382 views

Has anyone successfully made a FeatureLayer from a view in DB2 and ArcSDE 10?

Lately it seems like every new ESRI feature fails for me - I must be cursed. I'm testing the use of a FeatureLayer to see if helps display and query features using the JavaScript API 2.0. This layer ...