I've been tasked with creating a county wide plat book for publication this june. The cartography portion is fairly straightforward as I am using ESRI's Data Driven pages for ArcInfo 10 to produce the ...
I'm totally new to this domain so my question may sound like a little bit silly…… I'm eager to know how to extract, store and index the coordinates of the road segments(edges) and intersections or ...
I have a pretty big point feature class in a file geodatabase (~4 000 000 records). This is a regular grid of points with a 100m resolution. I need to perform a kind of generalization on this layer. ...
Trajectory Indexing: How could I store and index the large trajectory dataset generated by cars' GPS?
I have a large trajectory dataset generated by cars' GPS. Since I will do some data mining work on them, I need an efficient way to store and index them. I read some papers about Trajectory Indexing ...
Is it possible to create a constant indexing (as a numbers) in an attribute table of the theme with many objects that manner that it will remain (will not change) during update of this theme? I found ...
Does the arcpy.SearchCursor function support field indexing? In the sample script below, can I sent my cursor to loop through the values in the first field by setting an index to search the first ...
When using the field calculator, how do I get data from the previous row in VBScript? In Python I'd do something like this: for index, row in enumerate(rows,start=1): row[index-1] += 5 I'm ...
It is common to use a bounding box spatial index to improve performance when working with a large number of features. Where operations are performed against individual geometries with a large number ...