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Merge branch 'master' into large_csv

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This commit is contained in:
artemp 2015-06-29 09:51:52 +02:00
commit 7158c19f80
2 changed files with 47 additions and 22 deletions
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47
src/text/symbolizer_helpers.cpp
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@ -93,11 +93,27 @@ struct split_multi_geometries
cont_.push_back(base_symbolizer_helper::geometry_cref(std::cref(pt)));
}
}
void operator() (geometry::line_string<double> const& line) const
{
if (minimum_path_length_ > 0)
{
box2d<double> bbox = t_.forward(geometry::envelope(line), prj_trans_);
if (bbox.width() >= minimum_path_length_)
{
cont_.push_back(base_symbolizer_helper::geometry_cref(std::cref(line)));
}
}
else
{
cont_.push_back(base_symbolizer_helper::geometry_cref(std::cref(line)));
}
}
void operator() (geometry::multi_line_string<double> const& multi_line) const
{
for ( auto const& line : multi_line )
{
cont_.push_back(base_symbolizer_helper::geometry_cref(std::cref(line)));
(*this)(line);
}
}
@ -182,6 +198,7 @@ struct largest_bbox_first
bool operator() (base_symbolizer_helper::geometry_cref const& g0,
base_symbolizer_helper::geometry_cref const& g1) const
{
// TODO - this has got to be expensive! Can we cache bbox's if there are repeated calls to same geom?
box2d<double> b0 = geometry::envelope(g0);
box2d<double> b1 = geometry::envelope(g1);
return b0.width() * b0.height() > b1.width() * b1.height();
@ -190,18 +207,26 @@ struct largest_bbox_first
void base_symbolizer_helper::initialize_geometries() const
{
bool largest_box_only = text_props_->largest_bbox_only;
double minimum_path_length = text_props_->minimum_path_length;
auto const& geom = feature_.get_geometry();
util::apply_visitor(detail::split_multi_geometries<geometry_container_type>
(geometries_to_process_, t_, prj_trans_, minimum_path_length ), feature_.get_geometry());
// FIXME: return early if geometries_to_process_.empty() ?
(geometries_to_process_, t_, prj_trans_, minimum_path_length ), geom);
if (!geometries_to_process_.empty())
{
auto type = geometry::geometry_type(geom);
if (type == geometry::geometry_types::Polygon ||
type == geometry::geometry_types::MultiPolygon)
{
bool largest_box_only = text_props_->largest_bbox_only;
if (largest_box_only)
{
geometries_to_process_.sort(largest_bbox_first());
geo_itr_ = geometries_to_process_.begin();
geometries_to_process_.erase(++geo_itr_, geometries_to_process_.end());
}
}
geo_itr_ = geometries_to_process_.begin();
}
}
void base_symbolizer_helper::initialize_points() const
@ -236,30 +261,30 @@ void base_symbolizer_helper::initialize_points() const
// https://github.com/mapnik/mapnik/issues/1350
auto type = geometry::geometry_type(geom);
// FIXME: how to handle MultiLineString?
// note: split_multi_geometries is called above so the only likely types are:
// Point, LineString, and Polygon.
if (type == geometry::geometry_types::LineString)
{
auto const& line = mapnik::util::get<geometry::line_string<double> >(geom);
geometry::line_string_vertex_adapter<double> va(line);
success = label::middle_point(va, label_x,label_y);
}
else if (how_placed == POINT_PLACEMENT)
else if (how_placed == POINT_PLACEMENT || type == geometry::geometry_types::Point)
{
geometry::point<double> pt;
geometry::centroid(geom, pt);
if (geometry::centroid(geom, pt))
{
label_x = pt.x;
label_y = pt.y;
success = true;
}
else if (how_placed == INTERIOR_PLACEMENT) // polygon
{
if (type == geometry::geometry_types::Polygon)
}
else if (how_placed == INTERIOR_PLACEMENT && type == geometry::geometry_types::Polygon)
{
auto const& poly = mapnik::util::get<geometry::polygon<double> >(geom);
geometry::polygon_vertex_adapter<double> va(poly);
success = label::interior_position(va, label_x, label_y);
}
}
else
{
MAPNIK_LOG_ERROR(symbolizer_helpers) << "ERROR: Unknown placement type in initialize_points()";

2
test/data-visual

@ -1 +1 @@
Subproject commit 9702e69c49b60ff49da4c48d1e33e54289b9c4b1
Subproject commit 7080866ca1b3523fead1a25c017bd87082806eb4