On 08/10/12 18:18, Moritz Lennert wrote:
On 08/10/12 18:09, Markus Metz wrote:
I agree. Even though I regard the output of v.net.allpairs in GRASS 6
as nearly unusable, the memory allocation error should be fixed, which
would be a separate ticket.
I'll try to find the time to write a nice reproducible bug...
Well, actually, the error only appears in 6.4.2, but not in 6.4 release
branch. Here's what I did:
v.category schools_wake out=schools op=sum cat=50000
v.net streets_wake points=schools op=connect thresh=200 out=network nlayer=1
v.net.allpairs network cats=50000-50167 out=allpairs
Works fine relase branch, but in 6.4.2 I get:
Flattening the graph...
Graph was built
ERROR: G_calloc: unable to allocate 42122 * 4 bytes at main.c:173
But, not worth filing a ticket as it already seems solved.
However, we should probably put a hint into the v.net man page and/or
the relevant modules man pages that all modules that were coded by
Daniel do not differentiate alayer and nlayer in the grass6 line and so
you have to differentiate them by cat numbers in the map.
Or we decide to break the rule to not change options and backport the
alayer/nlayer patches from grass 7 to grass 6, as it is such an obvious
design flaw compared to the general logic of the v.net.* modules.
What do you think ?
Moritz
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