All Questions
4 questions
8
votes
2
answers
10k
views
Extracting Derived Z-coordinate data
I am trying to extract the z coordinate value from the derived attributes, similar to How to re-calculate area, perim, p2a,width and length in QGIS? but I cannot see a dedicated operator for finding ...
- 327
2
votes
1
answer
339
views
Joining data from two shapefiles in QGIS
I think there must be a straight forward answer to this but I haven't managed yet:
I have two shapefiles for the same watershed they are both divided into different areas with different erosion ...
- 143
3
votes
3
answers
220
views
Is there a way to shift data in an attribute table so that all attributes are moved to a different coordinate?
I have several shapefiles where the attribute table is composed of timestamped data that is appended to the coordinates. Because of the nature of my data, I need to apply a time lag so that the data ...
- 33
5
votes
1
answer
2k
views
How to convert a column of numeric IDs to letters?
I'm working with qgis 1.8.0. I divided a map into 500 features (small rectangles), and now I have the doubt if there is any way to change the ID of the attributes from numbers to letters? When I did ...
- 915