692 reputation
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location San Francisco, CA
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visits member for 3 years, 3 months
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I like data and cities as laboratories of the interaction between behavior and technology.


Mar
8
comment Arcgis: How to find polygons within a polygon?
I think the answer as stated here should work.
Mar
3
awarded  Popular Question
Jan
11
awarded  Yearling
Nov
18
accepted Exploratory search for clusters in point data
Nov
17
comment Accessing existing instance of qgis from stand-alone python script
Also, I meant to post this to gis.SE, not SE :)
Nov
17
comment Accessing existing instance of qgis from stand-alone python script
Indeed, I had not thought about all the conflicts that could entail. So this approach would 'drive' the ipython stuff from qgis, not the other way around, but that is clearly a way to Rome.
Nov
17
asked Accessing existing instance of qgis from stand-alone python script
Oct
24
comment Exploratory search for clusters in point data
Thanks for the pointer. Will check out the STAC algorithm and see where it gets me.
Oct
23
comment Exploratory search for clusters in point data
Thanks for the tip. I hadn't looked at the stat site.
Oct
22
asked Exploratory search for clusters in point data
Aug
20
awarded  Enlightened
Aug
20
awarded  Nice Answer
Aug
12
answered Computing distance of a georeferenced .jpg to each polygon (town) in a shapefile
May
3
comment Identify points near roadside in QGIS
Sounds like you need to decide how far from the road you will consider "along" it. Then run a buffer on your road feature and select points using that. Both functions are found under the vector menu, under Geoprocessing Tools and Research Tools, respectively.
May
2
awarded  Popular Question
Mar
9
comment Select top 5 most items in a geodatabase
I thought you were using a personal geodatabase from the start?
Mar
9
comment Data Driven Pages and exporting PDF using Python
which error are you getting?
Mar
9
answered Select top 5 most items in a geodatabase
Mar
7
answered Total of attribute field of point layer per polygon layer
Mar
3
comment repeating records in attribute table
You say "I can't seem to get the attribute table to accurately reflect the records"--does that mean you have a non-spatial version of the data file to compare against? Does that have an object ID carried over to the shapefile?