[Gvsig_english] Distinguishing labeling from background in View and Maps

[Simon Cropper (Botanicus Australia Pty Ltd)]

Hi,

Is there any easy way of distinguishing labels from the background? Some 
of the other open source GIS use halos, which is useful, but I can't 
find something equivalent in gvSIG.

What I am trying to do is identify site boundaries over aerial photos. I 
want to avoid large boxes as provided in the style section of the "label 
class properties" dialog, because I am trying to optimize the amount of 
image able to be seen (so people can orient themselves). As the 
background varies from brown to green to very light. I want a solution 
that works over the entire area without it being too onerous.

My only solution was to create a labelgroup field in the layer attribute 
table - a default category was  then allocated, in this case white 
writing 10m high. I then created a series of classes 10W, 10Y (for 
yellow), 5W, 5Y. I then reviewed each of the reserves being worked on 
and changed the label group to ensure the label fitted within the 
polygon and was contrasted against the background.

Ideally, and I know I am pushing it here, the program should allow 
labels to be defined based on colour ranges of the background layers.
-- 

Cheers Simon

Simon Cropper
Botanicus Australia Pty Ltd
PO Box 160, Sunshine, Victoria 3020.
P: 9311 5822. M: 041 830 3437.
mailto: scropper at botanicusaustralia.com.au 
<mailto:scropper at botanicusaustralia.com.au>
web: www.botanicusaustralia.com.au <http://www.botanicusaustralia.com.au>