[Qgis-user] Announcing ProfileFromLine plugin

[John C. Tull]

On Aug 13, 2010, at 1:53 PM, Ricardo Filipe Soares Garcia da wrote:

> Hello list
> 
> I have uploaded a new python plugin called ProfileFromLine.
> This plugin will generate points along lines according to a user
> specified interval and will optionally sample loaded raster(s) at each
> new point's location.
> 
> Each new point will keep all the attributes of its originating line,
> plus any raster values that it had been asked to sample. In addition,
> every point will have a distinct attribute and also an attribute that
> stores the distance along its line since the beginning (the line's
> starting point being according to the original digitizing direction).
> 
> the new points layer is created using the 'memory' provider, and the
> user must manually save it to disk. this seemed like a nice option,
> because you can choose your desired format upon saving.

This sounds like another nice addition. I have done this with GRASS, and your plugin will greatly simplify the process. Kudos

> 
> The plugin depends on the shapely python package, so you must have it
> installed and accessible on your system. This shouldn't be much of a
> problem on linux and windows (it is available on the osgeo4w packages
> as well). since I don't have a Mac I wouldn't know how easy it is to
> get shapely installed, but I trust it to be just as easy ;)

It's pretty simple. This worked for me from the Terminal:
sudo easy_install shapely

> 
> I hope that it is useful. Please drop me a message through this
> mailing list if you have any suggestions.

Cheers,
John