[GRASS5] viewing map attribute table

[Moritz Lennert]

On Wed, May 25, 2005 15:00, Moritz Lennert said:
> On Wed, May 25, 2005 14:32, Markus Neteler said:
>> On Wed, May 25, 2005 at 10:38:29AM +0200, Moritz Lennert wrote:
>>> Hello,
>>> Another missing feature in GRASS is the capacity to easily view the map
attribute table. The current option is 'db.select TableName', but the
output
>>> is not very beautiful and is difficult to browse.
>>> I think this feature would be useful in connection with the other
attribute
>>> management modules I just sent.
>>> Does anyone have an idea how to create a nicer and browsable display of an
attribute table in the tcltk interface ? I guess the easiest would be to
pipe
>>> the db.select results into awk for formatting and then open a new tcltk
window
>>> which displays the results.
>> Maybe pipe the output of
>>  v.db.select map
>> into a tcl table viewer?
>
>
> Yes, this is what I think as well. Daniel suggested TkTable, but I'm looking
at the possibilities of doing this with just the basic tcltk to avoid
creating
> another dependency.
>

Using the code at the bottom of http://wiki.tcl.tk/3150 which uses the 'grid'
widget, I can currently display data relatively nicely, but the frame has the
size of the table, without any scrollbars and so when you get more than just a
few rows it goes way beyond the screen. In addition it takes quite a while to
load the data, so I guess it must be quite inefficient.

But I still have to refamiliarise myself with tcltk in order to create
anything useful. It's been a long time...

Any pointers concerning above problems are more than welcome.

Moritz



>> I have just added a WHERE statement to v.db.select.
>
> Except for the the fact that in one you chose a map and in the other a
table,
> what is the difference between v.db.select and db.select ? (or is
v.db.select
> just a sort of frontend to db.select ?)
>
> Moritz
>
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