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revert the functionality of 944f34b - refs #2937

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This commit is contained in:
Dane Springmeyer 2015-07-06 19:27:05 -07:00
parent a6fd89df3e
commit a91d73779f
1 changed files with 7 additions and 1 deletions
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8
src/vertex_cache.cpp
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@ -155,8 +155,14 @@ vertex_cache & vertex_cache::get_offseted(double offset, double region_width)
// find the point on the offset line closest to the current position,
// which we'll use to make the offset line aligned to this one.
double seek = offseted_line->position_closest_to(current_position_);
// TODO: `position_closest_to` is disable since it is too expensive:
// https://github.com/mapnik/mapnik/issues/2937
//double seek = offseted_line->position_closest_to(current_position_);
double seek = (position_ + region_width/2.0) * offseted_line->length() / length() - region_width/2.0;
if (seek < 0) seek = 0;
if (seek > offseted_line->length()) seek = offseted_line->length();
offseted_line->move(seek);
return *offseted_line;
}