Until this commitment gui gave us segmentation fault in the case when no element was on graph_displayer_canvas and a map to visualize by a property has been changed.
1.1 --- a/mapstorage.cc Sun Aug 07 18:06:41 2005 +0000
1.2 +++ b/mapstorage.cc Sun Aug 07 22:14:59 2005 +0000
1.3 @@ -74,7 +74,15 @@
1.4 double MapStorage::minOfNodeMap(const std::string & name)
1.5 {
1.6 NodeIt j(graph);
1.7 - double min=(*nodemap_storage[name])[j];
1.8 + double min;
1.9 + if(j!=INVALID)
1.10 + {
1.11 + min=(*nodemap_storage[name])[j];
1.12 + }
1.13 + else
1.14 + {
1.15 + min=0;
1.16 + }
1.17 for (; j!=INVALID; ++j)
1.18 {
1.19 if( (*nodemap_storage[name])[j]<min )
1.20 @@ -88,7 +96,15 @@
1.21 double MapStorage::minOfEdgeMap(const std::string & name)
1.22 {
1.23 EdgeIt j(graph);
1.24 - double min=(*edgemap_storage[name])[j];
1.25 + double min;
1.26 + if(j!=INVALID)
1.27 + {
1.28 + min=(*edgemap_storage[name])[j];
1.29 + }
1.30 + else
1.31 + {
1.32 + min=0;
1.33 + }
1.34 for (EdgeIt j(graph); j!=INVALID; ++j)
1.35 {
1.36 if( (*edgemap_storage[name])[j]<min )