[GRASS5] v.in.ascii

Radim Blazek radim.blazek at gmail.com
Mon Jul 4 06:29:33 EDT 2005


On 7/3/05, Markus Neteler <neteler at itc.it> wrote:
> > i.e. either build topology for points or don't. "-b" and two levels of
> > point data maps is confusing.
> 
> I agree. What about "if only points in the map, then no topology"?
> 
> > Alternatively, no -b but if the number of
> > points found during the scanning step of v.in.ascii is greater than say
> > 100000, issue a warning that "topology will not be built, use v.build if
> > you want, etc." and skip the build step. But I expect that message will
> > be lost in all the chatter that the module produces and it is non-
> > intuitive that this might occur..?
> 
> This is probably confusing as well. The system should decide, not
> the user.

To change how a module works depending on number of features is bad 
idea, in my opinion.

Anyway, we cannot change default behaviour in 6.x, that would break 
existing scripts and applications.

Radim




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