Tagged Questions

5
votes
2answers
414 views

How to improve Python script processing speed (performance)?

I've been working on a script which essentially reads in a large amount of point and polygon data and generates frequency values for a featureclass of 2.5 acre hexes covering California. I have found ...
3
votes
1answer
244 views

gp.CreateFeatureClass(..) and gp.CopyFeatures(..) isn't copying all fields of feature class

How do I get the ArcGIS 9.3 geoprocessor to copy all of the fields of a feature class? Here is a description of what I'm trying to do: I am modifying an existing script created by a developer not on ...
2
votes
1answer
253 views

Get Raster Catalog Names from a File Geodatabase Programmatically

I'm trying to get only raster catalog entries from a file geodatabase using the arcgisscripting geoprocessing API. So far I am able to do this using the ListDatasets function using the ALL argument. ...
6
votes
4answers
1k views

How to interpolate points along a line in Python for ArcGIS 9.3?

I am building a Python geoprocessing script for ArcGIS 9.3. In the script, I have a simple LINE feature class with one row, one line. How can I use a linear referencing system to interpolate a point ...
4
votes
4answers
523 views

Unable to save selected layer by attribute for ArcGIS Geoprocessing

I am troubles using the SelectLayerByAttribute() function for arcgis geoprocessing. I have a layer and I want to select everything that matches on a particular attribute. I call MakeFeatureLayer() ...
23
votes
4answers
2k views

Performance of ArcGISScripting and large spatial data sets

I am currently writing a python script using the arcgisscripting module to process a reasonably large data set (~10,000 records in total) normalised over a small number of tables, 8 in total. The ...