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Merge pull request #242 from mapycz/scale-denom-layer-test
add test - filtering by scale denominator on layer level
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<Map srs="+init=epsg:3857"> | ||
<Layer name="1" srs="+init=epsg:3857"> | ||
<Datasource> | ||
<Parameter name="type">csv</Parameter> | ||
<Parameter name="inline"> | ||
x, y | ||
1, 2 | ||
</Parameter> | ||
</Datasource> | ||
</Layer> | ||
<Layer name="2" srs="+init=epsg:3857" maximum-scale-denominator="200000"> | ||
<Datasource> | ||
<Parameter name="type">csv</Parameter> | ||
<Parameter name="inline"> | ||
x, y | ||
3, 4 | ||
1, 4 | ||
</Parameter> | ||
</Datasource> | ||
</Layer> | ||
</Map> |
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#include "catch.hpp" | ||
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// mapnik | ||
#include <mapnik/load_map.hpp> | ||
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// mapnik-vector-tile | ||
#include "vector_tile_processor.hpp" | ||
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// libprotobuf | ||
#pragma GCC diagnostic push | ||
#pragma GCC diagnostic ignored "-Wunused-parameter" | ||
#pragma GCC diagnostic ignored "-Wsign-conversion" | ||
#include "vector_tile.pb.h" | ||
#pragma GCC diagnostic pop | ||
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TEST_CASE("feature processor - filtering by scale denominator on layer level") | ||
{ | ||
mapnik::Map map(256, 256); | ||
mapnik::load_map(map, "test/data/layer_scale_denom_style.xml"); | ||
mapnik::vector_tile_impl::processor ren(map); | ||
const double scale_denom = 200000; | ||
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{ | ||
mapnik::vector_tile_impl::tile out_tile = ren.create_tile( | ||
2048, 2047, 12, 4096, 0, scale_denom); | ||
vector_tile::Tile tile; | ||
REQUIRE(tile.ParseFromString(out_tile.get_buffer())); | ||
REQUIRE(2 == tile.layers_size()); | ||
CHECK(1 == tile.layers(0).features_size()); | ||
CHECK(2 == tile.layers(1).features_size()); | ||
} | ||
{ | ||
// One layer is filtered out after change of scale denominator. | ||
mapnik::vector_tile_impl::tile out_tile = ren.create_tile( | ||
2048, 2047, 12, 4096, 0, scale_denom * 2.0); | ||
vector_tile::Tile tile; | ||
REQUIRE(tile.ParseFromString(out_tile.get_buffer())); | ||
REQUIRE(1 == tile.layers_size()); | ||
CHECK(1 == tile.layers(0).features_size()); | ||
} | ||
} |