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Merge pull request #702 from mapbox/minzoom-0

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Fix a bug that disallowed a per-feature minzoom of 0
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Eric Fischer 2019-01-16 13:08:54 -08:00 committed by GitHub
commit 610afc2332
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5 changed files with 15 additions and 4 deletions
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4
CHANGELOG.md
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@ -1,3 +1,7 @@
## 1.32.10
* Fix a bug that disallowed a per-feature minzoom of 0
## 1.32.9
* Limit tile detail to 30 and buffer size to 127 to prevent coordinate

1
tests/minzoom/in.json
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@ -1,3 +1,4 @@
{ "type": "Feature", "properties": {}, "geometry": { "type": "Point", "coordinates": [ 0, 0 ] }, "tippecanoe": { "minzoom": 0, "maxzoom": 0 } }
{ "type": "Feature", "properties": {}, "geometry": { "type": "Point", "coordinates": [ 1, 1 ] }, "tippecanoe": { "minzoom": 1, "maxzoom": 1 } }
{ "type": "Feature", "properties": {}, "geometry": { "type": "Point", "coordinates": [ 2, 2 ] }, "tippecanoe": { "minzoom": 2, "maxzoom": 2 } }
{ "type": "Feature", "properties": {}, "geometry": { "type": "Point", "coordinates": [ 3, 3 ] }, "tippecanoe": { "minzoom": 3, "maxzoom": 3 } }

10
tests/minzoom/out/-z6.json
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@ -1,15 +1,21 @@
{ "type": "FeatureCollection", "properties": {
"bounds": "1.000000,1.000000,6.000000,6.000000",
"bounds": "0.000000,0.000000,6.000000,6.000000",
"center": "6.000000,6.000000,6",
"description": "tests/minzoom/out/-z6.json.check.mbtiles",
"format": "pbf",
"json": "{\"vector_layers\": [ { \"id\": \"in\", \"description\": \"\", \"minzoom\": 0, \"maxzoom\": 6, \"fields\": {} } ],\"tilestats\": {\"layerCount\": 1,\"layers\": [{\"layer\": \"in\",\"count\": 6,\"geometry\": \"Point\",\"attributeCount\": 0,\"attributes\": []}]}}",
"json": "{\"vector_layers\": [ { \"id\": \"in\", \"description\": \"\", \"minzoom\": 0, \"maxzoom\": 6, \"fields\": {} } ],\"tilestats\": {\"layerCount\": 1,\"layers\": [{\"layer\": \"in\",\"count\": 7,\"geometry\": \"Point\",\"attributeCount\": 0,\"attributes\": []}]}}",
"maxzoom": "6",
"minzoom": "0",
"name": "tests/minzoom/out/-z6.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": [ 0.000000, 0.000000 ] } }
] }
] }
,
{ "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 ] } }

2
text.cpp
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@ -127,7 +127,7 @@ std::string truncate16(std::string const &s, size_t runes) {
int integer_zoom(std::string where, std::string text) {
double d = atof(text.c_str());
if (!isnormal(d) || d != floor(d) || d < 0 || d > 32) {
if (!isfinite(d) || d != floor(d) || d < 0 || d > 32) {
fprintf(stderr, "%s: Expected integer zoom level in \"tippecanoe\" GeoJSON extension, not %s\n", where.c_str(), text.c_str());
exit(EXIT_FAILURE);
}

2
version.hpp
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@ -1,6 +1,6 @@
#ifndef VERSION_HPP
#define VERSION_HPP
#define VERSION "v1.32.9"
#define VERSION "v1.32.10"
#endif