[GRASS-dev] select issue with wingrass

[Glynn Clements]

Michael Barton wrote:

> >> If this is set in gui.tcl (the first thing run by the GRASS TclTk gui),
> >> won't it then be available to all other gui modules?
> >> 
> >> That is, why can't select.tcl access GISBASE if env(GISBASE) is set in
> >> gui.tcl?
> > 
> > If the array element isn't set, or if "global env" is missing, you
> > would get an error from Tcl. That doesn't appear to be the case here.
> 
> The procedure in select.tcl DOES have global env...
> 
> proc GSelect_::create { element args } {
>     # main procedure for creating and managing selection window, which a
> tree
>     # within a scrolling window.
> 
>     global env id
> 
> ...However, gui.tcl sets env(GISDBASE) etc outside of any procedure (i.e.,
> runs these before any procedure). But there is no global env statement.
> Maybe this is needed for Windows?

No, it's reading the variable okay, it just can't use the value.

-- 
Glynn Clements <glynn at gclements.plus.com>