sij/mapnik
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

backport hextree sorting fix to 0.7.x series - refs #1087

Browse source
This commit is contained in:
Dane Springmeyer 2012-02-23 15:58:23 -08:00
parent 5572514354
commit 6737bd959f
1 changed files with 6 additions and 5 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

11
include/mapnik/hextree.hpp
View file

@ -156,10 +156,11 @@ namespace mapnik {
if (t1!=t2)
return t1<t2;
return (((int)x.a-y.a) >> 24) +
(((int)x.r-y.r) >> 16) +
(((int)x.g-y.g) >> 8) +
((int)x.b-y.b);
// https://github.com/mapnik/mapnik/issues/1087
if (x.a != y.a) return x.a < y.a;
if (x.r != y.r) return x.r < y.r;
if (x.g != y.g) return x.g < y.g;
return x.b < y.b;
}
};
@ -491,7 +492,7 @@ namespace mapnik {
}
tries=0;
// ignore leaves and also nodes with small mean error and not excessive number of pixels
if ((cur_node->reduce_cost / cur_node->pixel_count + 1) * std::log(double(cur_node->pixel_count)) > 15
if (cur_node->pixel_count > 0 && (cur_node->reduce_cost / cur_node->pixel_count + 1) * std::log(double(cur_node->pixel_count)) > 15
&& cur_node->children_count > 0)
{
colors_--;