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Fix key/val offset bug.

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This commit is contained in:
Daniel Patterson
2016-11-08 02:47:19 -08:00
parent 481b03baeb
commit cef53c4b56
2 changed files with 330 additions and 5 deletions
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src/engine/plugins/tile.cpp
+18 -5
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@@ -621,6 +621,22 @@ Status TilePlugin::HandleRequest(const std::shared_ptr<datafacade::BaseDataFacad
line_layer_writer.add_uint32(util::vector_tile::EXTENT_TAG,
util::vector_tile::EXTENT); // extent
// Because we need to know the indexes into the vector tile lookup table,
// we need to do an initial pass over the data and create the complete
// index of used values.
for (const auto &edge : edges)
{
const auto forward_weight_vector =
facade->GetUncompressedForwardWeights(edge.packed_geometry_id);
const auto reverse_weight_vector =
facade->GetUncompressedReverseWeights(edge.packed_geometry_id);
const auto forward_weight = forward_weight_vector[edge.fwd_segment_position];
const auto reverse_weight = reverse_weight_vector[reverse_weight_vector.size() -
edge.fwd_segment_position - 1];
use_line_value(reverse_weight);
use_line_value(forward_weight);
}
// Begin the layer features block
{
// Each feature gets a unique id, starting at 1
@@ -652,21 +668,18 @@ Status TilePlugin::HandleRequest(const std::shared_ptr<datafacade::BaseDataFacad
reverse_datasource_vector[reverse_datasource_vector.size() -
edge.fwd_segment_position - 1];
use_line_value(reverse_weight);
use_line_value(forward_weight);
std::string name = facade->GetNameForID(edge.name_id);
const auto name_offset = [&name, &names, &name_offsets]() {
auto iter = name_offsets.find(name);
if (iter == name_offsets.end())
{
auto offset = names.size() - 1;
auto offset = names.size();
name_offsets[name] = offset;
names.push_back(std::move(name));
return offset;
}
return iter->second;
}();
names.push_back(std::move(name));
const auto encode_tile_line = [&line_layer_writer,
&edge,