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Set base zoom if requested as part of maxzoom guessing (#63)

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* Set base zoom if requested as part of maxzoom guessing

* Add a test for guessing the maxzoom of a single point

* Don't guess an excessively large maxzoom when there is only one feature

* Update changelog
This commit is contained in:
Erica Fischer
2023-01-26 15:27:06 -08:00
committed by GitHub
parent 54b47a6757
commit 3cb6e4dd5e
7 changed files with 2295 additions and 5 deletions
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tests/ne_110m_populated_places/out/--smallest-maximum-zoom-guess_3_-Bg.json
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tests/onefeature-point/in.json
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{"type":"Feature","properties":{},"geometry":{"type":"Point","coordinates":[-122,37]}}
tests/onefeature-point/out/--smallest-maximum-zoom-guess_3.json
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{ "type": "FeatureCollection", "properties": {
"bounds": "-122.000000,37.000000,-122.000000,37.000000",
"center": "-122.000000,37.000000,3",
"description": "tests/onefeature-point/out/--smallest-maximum-zoom-guess_3.json.check.mbtiles",
"format": "pbf",
"generator_options": "./tippecanoe -q -a@ -f -o tests/onefeature-point/out/--smallest-maximum-zoom-guess_3.json.check.mbtiles --smallest-maximum-zoom-guess 3 tests/onefeature-point/in.json",
"json": "{\"vector_layers\":[{\"id\":\"in\",\"description\":\"\",\"minzoom\":0,\"maxzoom\":3,\"fields\":{}}],\"tilestats\":{\"layerCount\":1,\"layers\":[{\"layer\":\"in\",\"count\":1,\"geometry\":\"Point\",\"attributeCount\":0,\"attributes\":[]}]}}",
"maxzoom": "3",
"minzoom": "0",
"name": "tests/onefeature-point/out/--smallest-maximum-zoom-guess_3.json.check.mbtiles",
"type": "overlay",
"version": "2"
}, "features": [
{ "type": "FeatureCollection", "properties": { "zoom": 0, "x": 0, "y": 0 }, "features": [
{ "type": "FeatureCollection", "properties": { "layer": "in", "version": 2, "extent": 4096 }, "features": [
{ "type": "Feature", "properties": { }, "geometry": { "type": "Point", "coordinates": [ -122.080078, 37.020098 ] } }
] }
] }
,
{ "type": "FeatureCollection", "properties": { "zoom": 1, "x": 0, "y": 0 }, "features": [
{ "type": "FeatureCollection", "properties": { "layer": "in", "version": 2, "extent": 4096 }, "features": [
{ "type": "Feature", "properties": { }, "geometry": { "type": "Point", "coordinates": [ -122.036133, 37.020098 ] } }
] }
] }
,
{ "type": "FeatureCollection", "properties": { "zoom": 2, "x": 0, "y": 1 }, "features": [
{ "type": "FeatureCollection", "properties": { "layer": "in", "version": 2, "extent": 4096 }, "features": [
{ "type": "Feature", "properties": { }, "geometry": { "type": "Point", "coordinates": [ -122.014160, 37.002553 ] } }
] }
] }
,
{ "type": "FeatureCollection", "properties": { "zoom": 3, "x": 1, "y": 3 }, "features": [
{ "type": "FeatureCollection", "properties": { "layer": "in", "version": 2, "extent": 4096 }, "features": [
{ "type": "Feature", "properties": { }, "geometry": { "type": "Point", "coordinates": [ -122.003174, 37.002553 ] } }
] }
] }
] }