On 03/01/13 20:51, Martin Landa wrote:
Hi,
I wonder what is the reason for existence of `llayer` parameter in
`d.vect` module. I would guess that it's not reasonable to display
features (shapes) from `layer` 1 and cats/attributes from `llayer` 2
at the same time? You can display features from all layers
(`layer=-1`) and to display only labels for features from eg. layer 2
(`llayer=2`). I just wonder if it's not too big price, probably it can
be source of the user confusion. Why `d.vect map=map layer=2
display=cat` still displays categories for layer 1? And so on.
My suggestion is to remove `llayer` parameter from `d.vect` module.
The paremeter `layer` would be used to select all display types -
shapes, cats, attributes.
What do you think? Martin
-1
Two examples of where I find llayer useful:
- checking for results of automatic cleaning in v.in.ogr: you might to
see the features and the cat on layer two indicating how many
overlapping features were at the origin
- for all the v.net.* modules where by default arcs are in layer 1 and
nodes in layer 2: I often display everything with layer=-1 and then
display the node categories.
Moritz
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