# triangleGrid
Takes a bounding box and a cell depth and returns a set of triangular polygons in a grid.
获取边界框和单元格深度,并返回网格中的一组三角形多边形。
参数
参数 | 类型 | 描述 |
---|---|---|
bbox | Array | extent 以 minX, minY, maxX, maxY 的顺序表示 |
cellSide | number | dimension of each cell |
options | Object | 可选参数:见下文 |
options选项
属性 | 类型 | 默认值 | 描述 |
---|---|---|---|
units | string | kilometers | used in calculating cell size, can be degrees, radians, miles, or kilometers |
properties | Object | {} | passed to each hexagon or triangle of the grid |
mask | (Feature <(Polygon|MultiPolygon)>) | if passed a Polygon or MultiPolygon, the grid Points will be created only inside it | |
properties | Object | {} | passed to each point of the grid |
返回
FeatureCollection <Polygon> - grid of polygons
示例
var bbox = [-95, 30 ,-85, 40];
var cellSide = 50;
var options = {units: 'miles'};
var triangleGrid = turf.triangleGrid(bbox, cellSide, options);