Dear all, I'm testing v.net.iso on some river networks to calculate the "distance zones" along the river from a date point (cross section), and *sometimes* I found this strange error (in more versions of GRASS: I updated software yesterday, compiled and tested on 64, 65 and 70.. with the same results):
Number of centres: 1 (nlayer 2) Calculating costs from centre 1... 100% Generating isolines... *** glibc detected *** v.net.iso: realloc(): invalid next size: 0x085ecfd8 *** ======= Backtrace: ========= /lib/tls/i686/cmov/libc.so.6(+0x6b591)[0x3ea591] /lib/tls/i686/cmov/libc.so.6(+0x70cbd)[0x3efcbd] /lib/tls/i686/cmov/libc.so.6(realloc+0xdd)[0x3eff9d] /usr/local/grass-6.5.svn/lib/libgrass_gis.so(G__realloc+0x35)[0x11eb55] v.net.iso(main+0x15b9)[0x804a889] /lib/tls/i686/cmov/libc.so.6(__libc_start_main+0xe6)[0x395bd6] v.net.iso[0x8049231] ======= Memory map: ======== 00110000-0015d000 r-xp 00000000 08:01 137602 /usr/local/grass-6.5.svn/lib/libgrass_gis.6.5.svn.so 0015d000-0015e000 r--p 0004c000 08:01 137602 /usr/local/grass-6.5.svn/lib/libgrass_gis.6.5.svn.so and so on for some tens of lines. The very strange thing is that in some cases the module produces the right output and gives no errors, in other zones I obtain this error evenif the input data are prapared in the same way. What am I wronging? Any ideas? Many thanks, Annalisa
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