[GRASS5] rgb color support in ps.map ?

Moritz Lennert mlennert at club.worldonline.be
Wed Aug 31 12:01:04 EDT 2005

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Paolo Cavallini wrote:
> Sorry Moritz, but why you struggle with ps.map?
> Qgis' map composer is so convenient and fast...

I wouldn't call it struggling, but rather trying to improve things ;-).

I don't doubt that QGIS and its composer is (or at least will be) a
very useful tool. (Personally, I have trouble doing what I want with
it, but that's most probably do to my lack of knowledge about
it...). For many people this will in fact currently be the easiest
to use solution.

However, at several occasions it has become clear that for different
reasons not all users want to depend on an external tool such as
Qgis, but want an internal GRASS GUI and useful internal GRASS tools
for map making (see results of the users survey in Number 2 of the
newsletter, for example.)

d.vect.thematic was an important step in this direction. All I'm
trying to do is to scratch some itches which come up while using it.

I imagine that if the swig interface route is successful (see
http://grass.itc.it/pipermail/grass5/2005-August/019435.html), then
we will see many more solutions pop up...

All the best,


> All the best.
> pc
> At 16:24, mercoledì 31 agosto 2005, Moritz Lennert has probably written:
>>Hamish wrote:
>>>>what is the status of RGB color support in ps.map ?
>>>>Can one use rgb codes for all elements, some elements or none ?
>>>rrr:ggg:bbb color naming works for some features not for others.
>>>Generally, vector drawing instructions (by Radim) support it, others
>>>(legacy commands) may or may not at about 50/50 odds.
>>>>If not for all, it there a specific reason for this other than
>>>>"just" having to adapt the code to mirror those elements which
>>>>support it ?
>>>For the parts I've modified, I've (mostly) only added it where I needed
>>>it. If there is a specific command which you are desperate to have it
>>>work with let us know so we can focus on that first.
>>I wouldn't call myself "desperate" ;-), but in the effort of
>>creating a ps.map version of the legend created by d.vect.thematic
>>it would be necessary for the rectangle object...
>>I also think that ideally ps.map should have a consistent behaviour
>>across all elements, but that's easy to say while I depend on other
>>to do it ;-)
>>You can also try to briefly explain what needs to be done, and I'll
>>have a first attempt at doing it myself...

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