Geodesic polygon coverage #1052
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| /* | ||
| * Copyright 2017, 2020-2021 Uber Technologies, Inc. | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
| /** @file benchmarkPolygonToCellsExperimentalGeodesic.c | ||
| * @brief Benchmarks the experimental polygon-to-cells traversal (geodesic). | ||
| */ | ||
| #include <stdbool.h> | ||
| #include <stdlib.h> | ||
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| #include "algos.h" | ||
| #include "benchmark.h" | ||
| #include "h3api.h" | ||
| #include "polyfill.h" | ||
| #include "polygon.h" | ||
|
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||
| // Colorado state | ||
| LatLng stateVerts[] = {{0.645778804554910, -1.903190792178713}, | ||
| {0.645682811446050, -1.780975856637062}, | ||
| {0.715595465293187, -1.781167842854781}, | ||
| {0.715578012000667, -1.903262350678044}, | ||
| {0.645778804554910, -1.903190792178713}}; | ||
|
Comment on lines
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Collaborator
There was a problem hiding this comment. I think either these coordinates are inverted compared to the London/NYC coordinates below, or other way around? |
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| GeoLoop stateGeoLoop; | ||
| GeoPolygon stateGeoPolygon; | ||
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| // Large ellipse approx 1800x1100km | ||
| LatLng largeEllipseVerts[] = {{0.698131700797732, -1.658062789394613}, | ||
| {0.697959500367918, -1.647103776346370}, | ||
| {0.697443578674904, -1.636188013515931}, | ||
| {0.696585971825909, -1.625358580432251}, | ||
| {0.695390064403362, -1.614658215920214}, | ||
| {0.693860576107503, -1.604129149430017}, | ||
| {0.692003543129878, -1.593812934376823}, | ||
| {0.689826294331253, -1.583750284148419}, | ||
| {0.687337422317945, -1.573980911428067}, | ||
| {0.684546749530733, -1.564543371466692}, | ||
| {0.681465289480172, -1.555474909922921}, | ||
| {0.678105203281295, -1.546811315871481}, | ||
| {0.674479751659253, -1.538586780560073}, | ||
| {0.670603242615285, -1.530833762472139}, | ||
| {0.666490974959581, -1.523582859228054}, | ||
| {0.662159177933861, -1.516862686830300}, | ||
| {0.657624947161976, -1.510699766729177}, | ||
| {0.652906177181289, -1.505118421154754}, | ||
| {0.648021490821112, -1.500140677128138}, | ||
| {0.642990165706910, -1.495786179530887}, | ||
| {0.637832058180313, -1.492072113575638}, | ||
| {0.632567524935215, -1.489013136983919}, | ||
| {0.627217342679196, -1.486621322138826}, | ||
| {0.621802626137356, -1.484906108440836}, | ||
| {0.616344744722137, -1.483874265054807}, | ||
| {0.610865238198015, -1.483529864195180}, | ||
| {0.605385731673894, -1.483874265054807}, | ||
| {0.599927850258674, -1.484906108440836}, | ||
| {0.594513133716834, -1.486621322138826}, | ||
| {0.589162951460816, -1.489013136983919}, | ||
| {0.583898418215717, -1.492072113575638}, | ||
| {0.578740310689120, -1.495786179530887}, | ||
| {0.573708985574918, -1.500140677128138}, | ||
| {0.568824299214742, -1.505118421154754}, | ||
| {0.564105529234055, -1.510699766729177}, | ||
| {0.559571298462169, -1.516862686830300}, | ||
| {0.555239501436449, -1.523582859228054}, | ||
| {0.551127233780745, -1.530833762472139}, | ||
| {0.547250724736778, -1.538586780560073}, | ||
| {0.543625273114736, -1.546811315871481}, | ||
| {0.540265186915859, -1.555474909922921}, | ||
| {0.537183726865297, -1.564543371466692}, | ||
| {0.534393054078086, -1.573980911428067}, | ||
| {0.531904182064778, -1.583750284148419}, | ||
| {0.529726933266152, -1.593812934376823}, | ||
| {0.527869900288528, -1.604129149430017}, | ||
| {0.526340411992668, -1.614658215920214}, | ||
| {0.525144504570122, -1.625358580432251}, | ||
| {0.524286897721127, -1.636188013515931}, | ||
| {0.523770976028112, -1.647103776346370}, | ||
| {0.523598775598299, -1.658062789394613}, | ||
| {0.523770976028112, -1.669021802442856}, | ||
| {0.524286897721127, -1.679937565273295}, | ||
| {0.525144504570122, -1.690766998356975}, | ||
| {0.526340411992668, -1.701467362869012}, | ||
| {0.527869900288528, -1.711996429359209}, | ||
| {0.529726933266152, -1.722312644412403}, | ||
| {0.531904182064778, -1.732375294640808}, | ||
| {0.534393054078086, -1.742144667361160}, | ||
| {0.537183726865297, -1.751582207322534}, | ||
| {0.540265186915859, -1.760650668866305}, | ||
| {0.543625273114736, -1.769314262917745}, | ||
| {0.547250724736778, -1.777538798229153}, | ||
| {0.551127233780745, -1.785291816317088}, | ||
| {0.555239501436449, -1.792542719561173}, | ||
| {0.559571298462169, -1.799262891958926}, | ||
| {0.564105529234055, -1.805425812060049}, | ||
| {0.568824299214742, -1.811007157634472}, | ||
| {0.573708985574918, -1.815984901661088}, | ||
| {0.578740310689120, -1.820339399258339}, | ||
| {0.583898418215717, -1.824053465213588}, | ||
| {0.589162951460816, -1.827112441805307}, | ||
| {0.594513133716834, -1.829504256650400}, | ||
| {0.599927850258674, -1.831219470348391}, | ||
| {0.605385731673894, -1.832251313734419}, | ||
| {0.610865238198015, -1.832595714594046}, | ||
| {0.616344744722137, -1.832251313734419}, | ||
| {0.621802626137356, -1.831219470348391}, | ||
| {0.627217342679196, -1.829504256650400}, | ||
| {0.632567524935215, -1.827112441805307}, | ||
| {0.637832058180313, -1.824053465213588}, | ||
| {0.642990165706910, -1.820339399258339}, | ||
| {0.648021490821112, -1.815984901661088}, | ||
| {0.652906177181289, -1.811007157634472}, | ||
| {0.657624947161976, -1.805425812060049}, | ||
| {0.662159177933861, -1.799262891958926}, | ||
| {0.666490974959581, -1.792542719561173}, | ||
| {0.670603242615285, -1.785291816317088}, | ||
| {0.674479751659253, -1.777538798229153}, | ||
| {0.678105203281295, -1.769314262917745}, | ||
| {0.681465289480172, -1.760650668866305}, | ||
| {0.684546749530733, -1.751582207322534}, | ||
| {0.687337422317945, -1.742144667361160}, | ||
| {0.689826294331253, -1.732375294640808}, | ||
| {0.692003543129878, -1.722312644412403}, | ||
| {0.693860576107503, -1.711996429359210}, | ||
| {0.695390064403362, -1.701467362869012}, | ||
| {0.696585971825909, -1.690766998356975}, | ||
| {0.697443578674904, -1.679937565273295}, | ||
| {0.697959500367918, -1.669021802442856}}; | ||
| GeoLoop largeEllipseGeoLoop; | ||
| GeoPolygon largeEllipseGeoPolygon; | ||
|
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||
| // London to NY flight | ||
| LatLng londonNyVerts[] = {{-0.0022305307840, 0.8989737191417}, | ||
| {-1.2916483662309, 0.7105724077059}, | ||
| {-0.0022305307840, 0.8989737191417}}; | ||
| GeoLoop londonNyGeoLoop; | ||
| GeoPolygon londonNyGeoPolygon; | ||
|
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| void polygonToCellsBenchmark(const GeoPolygon *polygon, int resolution, | ||
| bool geodesic) { | ||
| uint32_t flags = CONTAINMENT_OVERLAPPING; | ||
| if (geodesic) { | ||
| FLAG_SET_GEODESIC(flags); | ||
| } | ||
|
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| int64_t numHexagons = 0; | ||
| H3_EXPORT(maxPolygonToCellsSizeExperimental) | ||
| (polygon, resolution, flags, &numHexagons); | ||
| H3Index *hexagons = calloc(numHexagons, sizeof(H3Index)); | ||
| H3_EXPORT(polygonToCellsExperimental) | ||
| (polygon, resolution, flags, numHexagons, hexagons); | ||
| free(hexagons); | ||
| } | ||
|
|
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| BEGIN_BENCHMARKS(); | ||
|
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| stateGeoLoop.numVerts = 5; | ||
| stateGeoLoop.verts = stateVerts; | ||
| stateGeoPolygon.geoloop = stateGeoLoop; | ||
|
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| largeEllipseGeoLoop.numVerts = 100; | ||
| largeEllipseGeoLoop.verts = largeEllipseVerts; | ||
| largeEllipseGeoPolygon.geoloop = largeEllipseGeoLoop; | ||
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| londonNyGeoLoop.numVerts = 6; | ||
| londonNyGeoLoop.verts = londonNyVerts; | ||
| londonNyGeoPolygon.geoloop = londonNyGeoLoop; | ||
|
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| const int stateResolution = 5; | ||
| const int largeEllipseResolution = 4; | ||
| const int londonNyResolution = 3; | ||
|
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| BENCHMARK(polygonToCellsState_PlanarOverlapping, 30, { | ||
| polygonToCellsBenchmark(&stateGeoPolygon, stateResolution, false); | ||
| }); | ||
|
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| BENCHMARK(polygonToCellsState_GeodesicOverlapping, 30, { | ||
| polygonToCellsBenchmark(&stateGeoPolygon, stateResolution, true); | ||
| }); | ||
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| BENCHMARK(polygonToCellsLargeEllipse_PlanarOverlapping, 50, { | ||
| polygonToCellsBenchmark(&largeEllipseGeoPolygon, largeEllipseResolution, | ||
| false); | ||
| }); | ||
|
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| BENCHMARK(polygonToCellsLargeEllipse_GeodesicOverlapping, 50, { | ||
| polygonToCellsBenchmark(&largeEllipseGeoPolygon, largeEllipseResolution, | ||
| true); | ||
| }); | ||
|
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| BENCHMARK(polygonToCellsLondonNY_PlanarOverlapping, 100, { | ||
| polygonToCellsBenchmark(&londonNyGeoPolygon, londonNyResolution, false); | ||
| }); | ||
|
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| BENCHMARK(polygonToCellsLondonNY_GeodesicOverlapping, 100, { | ||
| polygonToCellsBenchmark(&londonNyGeoPolygon, londonNyResolution, true); | ||
| }); | ||
|
|
||
| END_BENCHMARKS(); | ||
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very minor, but we can rename these files to
camelCaseas with other source files