Description
The @turf/tesselate function fails to properly process GeoJSON Polygon data that includes elevation.
Reproduction
The issue can be reproduced with the following GeoJSON file:
{
"type": "Feature",
"geometry": {
"type": "Polygon",
"coordinates": [
[
[130.2138542686084, 36.85831846193179, 0],
[121.54982788145819, 34.421266048716696, 0],
[131.58908870149648, 33.113275358661966, 0],
[130.2138542686084, 36.85831846193179, 0]
]
]
},
"properties": {}
}Code Location
The problem occurs in the following code location:
|
const data = flattenCoords(coordinates); |
|
const dim = 2; |
|
const result = earcut(data.vertices, data.holes, dim); |
|
|
|
const features: Feature<Polygon>[] = []; |
|
const vertices: Position[] = []; |
|
|
|
result.forEach(function (vert: any, i: number) { |
|
const index = result[i]; |
|
vertices.push([data.vertices[index * dim], data.vertices[index * dim + 1]]); |
|
}); |
Expected Behavior
The tesselate function should handle GeoJSON Polygons with elevation data correctly, as specified in RFC 7946 Section 3.1.1. According to the RFC, a position is an array of numbers with the first two elements being longitude and latitude, and an optional third element for altitude or elevation.
Actual Behavior
The tesselate function fails to process the provided GeoJSON Polygon, resulting in an error.
Additional Information
Please provide any additional information here that may be useful.
Description
The
@turf/tesselatefunction fails to properly process GeoJSON Polygon data that includes elevation.Reproduction
The issue can be reproduced with the following GeoJSON file:
{ "type": "Feature", "geometry": { "type": "Polygon", "coordinates": [ [ [130.2138542686084, 36.85831846193179, 0], [121.54982788145819, 34.421266048716696, 0], [131.58908870149648, 33.113275358661966, 0], [130.2138542686084, 36.85831846193179, 0] ] ] }, "properties": {} }Code Location
The problem occurs in the following code location:
turf/packages/turf-tesselate/index.ts
Lines 52 to 62 in cc680d3
Expected Behavior
The
tesselatefunction should handle GeoJSON Polygons with elevation data correctly, as specified in RFC 7946 Section 3.1.1. According to the RFC, a position is an array of numbers with the first two elements being longitude and latitude, and an optional third element for altitude or elevation.Actual Behavior
The
tesselatefunction fails to process the provided GeoJSON Polygon, resulting in an error.Additional Information
Please provide any additional information here that may be useful.