Build Terrain takes very long to execute

TobiasRichter — Fri, 19 Aug 2011 06:48:04 GMT

Hello,

I'm working on ArcGis 9.3 and would like to build a terrain.

It consists of 4 feature classes:
- Masspoints (multipoint feature)
- Breaklines (line feature)
- Seapoints (point feature)
- Boarder (polygon feature)

The parameters used were:
- approximate point spacing: 1.6 Meters
- Masspoints embeded
- Pyramid type: window size 358; max scale 500'000

When I launch the gp tool build terrain it seems to be working (no error message, process shown in task manager) but would take about 3 weeks for calcultaion. The reference time for a build terrain of the same data (same volume) in a different coordinate system is about 22 hours.

I already tried to:
- launch via Python and ArcCatalog --> same result
- delete the boarder (polygone feature) --> same result
- include the masspoint feature as NOT embeded --> same result
- and of course check the input data --> seems ok

Do you have any idea / suggestions why this could be or maybe just other / similar experiences?

Any help would be appreciated.

Thank you

Greetings

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Build Terrain takes very long to execute