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Round coordinates instead of truncating them (#60)

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* Round coordinates instead of truncating them

* Update all the tests for coordinate rounding changes

* Curses, integer division still truncates

* Fix tests

* Also round instead of shifting when looking for no-op linetos

* Should I worry that the same change for moveto doesn't change any tests?

* Also round instead of shifting when scaling down to maxzoom resolution

* Replace another explicit shift, for origin point

* Round instead of shift when writing clipped geometries to the next zoom

* Fix low-zoom gridding and smaller-than-a-pixel checks

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

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

* Explicitly sort by index if no other order distinguishes features

* Another affected test
This commit is contained in:
Erica Fischer
2023-01-27 10:57:22 -08:00
committed by GitHub
parent 1c576c2dc1
commit c58a8e3b97
181 changed files with 166358 additions and 165951 deletions
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tests/minzoom/out/-z6.json
+8 -8
View File
@@ -19,37 +19,37 @@
,
{ "type": "FeatureCollection", "properties": { "zoom": 1, "x": 0, "y": 1 }, "features": [
{ "type": "FeatureCollection", "properties": { "layer": "in", "version": 2, "extent": 4096 }, "features": [
{ "type": "Feature", "properties": { }, "geometry": { "type": "Point", "coordinates": [ 0.966797, 1.010690 ] } }
{ "type": "Feature", "properties": { }, "geometry": { "type": "Point", "coordinates": [ 1.010742, 1.010690 ] } }
] }
] }
,
{ "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": [ 0.966797, 1.010690 ] } }
{ "type": "Feature", "properties": { }, "geometry": { "type": "Point", "coordinates": [ 1.010742, 1.010690 ] } }
] }
] }
,
{ "type": "FeatureCollection", "properties": { "zoom": 1, "x": 1, "y": 1 }, "features": [
{ "type": "FeatureCollection", "properties": { "layer": "in", "version": 2, "extent": 4096 }, "features": [
{ "type": "Feature", "properties": { }, "geometry": { "type": "Point", "coordinates": [ 0.966797, 1.010690 ] } }
{ "type": "Feature", "properties": { }, "geometry": { "type": "Point", "coordinates": [ 1.010742, 1.010690 ] } }
] }
] }
,
{ "type": "FeatureCollection", "properties": { "zoom": 1, "x": 1, "y": 0 }, "features": [
{ "type": "FeatureCollection", "properties": { "layer": "in", "version": 2, "extent": 4096 }, "features": [
{ "type": "Feature", "properties": { }, "geometry": { "type": "Point", "coordinates": [ 0.966797, 1.010690 ] } }
{ "type": "Feature", "properties": { }, "geometry": { "type": "Point", "coordinates": [ 1.010742, 1.010690 ] } }
] }
] }
,
{ "type": "FeatureCollection", "properties": { "zoom": 2, "x": 2, "y": 1 }, "features": [
{ "type": "FeatureCollection", "properties": { "layer": "in", "version": 2, "extent": 4096 }, "features": [
{ "type": "Feature", "properties": { }, "geometry": { "type": "Point", "coordinates": [ 1.999512, 2.021065 ] } }
{ "type": "Feature", "properties": { }, "geometry": { "type": "Point", "coordinates": [ 1.999512, 1.999106 ] } }
] }
] }
,
{ "type": "FeatureCollection", "properties": { "zoom": 3, "x": 4, "y": 3 }, "features": [
{ "type": "FeatureCollection", "properties": { "layer": "in", "version": 2, "extent": 4096 }, "features": [
{ "type": "Feature", "properties": { }, "geometry": { "type": "Point", "coordinates": [ 2.999268, 3.008870 ] } }
{ "type": "Feature", "properties": { }, "geometry": { "type": "Point", "coordinates": [ 2.999268, 2.997899 ] } }
] }
] }
,
@@ -61,13 +61,13 @@
,
{ "type": "FeatureCollection", "properties": { "zoom": 5, "x": 16, "y": 15 }, "features": [
{ "type": "FeatureCollection", "properties": { "layer": "in", "version": 2, "extent": 4096 }, "features": [
{ "type": "Feature", "properties": { }, "geometry": { "type": "Point", "coordinates": [ 4.998779, 5.000658 ] } }
{ "type": "Feature", "properties": { }, "geometry": { "type": "Point", "coordinates": [ 5.001526, 5.000658 ] } }
] }
] }
,
{ "type": "FeatureCollection", "properties": { "zoom": 6, "x": 33, "y": 30 }, "features": [
{ "type": "FeatureCollection", "properties": { "layer": "in", "version": 2, "extent": 4096 }, "features": [
{ "type": "Feature", "properties": { }, "geometry": { "type": "Point", "coordinates": [ 5.999908, 6.001265 ] } }
{ "type": "Feature", "properties": { }, "geometry": { "type": "Point", "coordinates": [ 5.999908, 5.999899 ] } }
] }
] }
] }