Tagged Questions
0
votes
1answer
74 views
How to calculate polygon areas in acres or square miles instead of feet?
I have a layer in State Plane NAD83. When I use "Vector|Geometry Tools|Add/export geometry columns" or Field Calculator they both create the area in feet. What if I want acres or square miles? Thanks
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1
vote
3answers
209 views
Automatically assign numbers to point file in various order in QGIS
I know how to automatically assign numbers to a new point files using the $rownum function in the field calculator. However it does it from the top-left over and down like reading a book.
I could ...
5
votes
1answer
728 views
Get shape filename in attribute field using field calculator
I apologize for crossposting against the ESRI geoprocessing forum, but it seems like this one gets answers. I'd like to have a modified append tool (ArcToolbox) that takes multiple shapefiles with ...
2
votes
1answer
270 views
Why does this python function return a value of 0 in field calculator?
I am trying to calculate the percentage of a total which the median value makes. I have a column with the median column labelled (i.e. 1st,2nd,3rd,4th column is median), the columns of values and the ...
5
votes
5answers
2k views
How can one execute an SQL script in field calculator in ArcGIS 10?
I am trying to transfer over row data from a table to columns in a shapefile table. There is a common "SA" variable between the two (i.e. the study area number) but there is more than one land use ...
