Spherical Math
- d3.geoArea - compute the spherical area of a given feature.计算给定特征的球面体区域
- d3.geoBounds - compute the latitude-longitude bounding box for a given feature.计算给定区域的经纬度边界框
- d3.geoCentroid - compute the spherical centroid of a given feature.计算给定特征的球面质心
- d3.geoDistance - compute the great-arc distance between two points.计算两点之间的大圆弧距离
- d3.geoLength - compute the length of a line string or the perimeter of a polygon.计算一行字符串长度或者多边形的周长
- d3.geoInterpolate - interpolate between two points along a great arc.沿大圆弧在两点之间进行插值
- d3.geoContains - test whether a point is inside a given feature.测试一个点是否在一个给定特征内部
- d3.geoRotation - create a rotation function for the specified angles.为指定的角度创建一个旋转函数
- rotation - rotate the given point around the sphere. 围绕球体旋转给定点。
- rotation.invert - unrotate the given point around the sphere. 围绕球体反向旋转给定点。
Spherical Shapes
- d3.geoCircle - create a circle generator.创建一个环生成器
- circle - generate a piecewise circle as a Polygon.生成一个分段圆
- circle.center - specify the circle center in latitude and longitude.用经纬度指定一个圆心
- circle.radius - specify the angular radius in degrees.以度为单位指定角半径
- circle.precision - specify the precision of the piecewise circle.指定分段圆的精度
- d3.geoGraticule - create a graticule generator.创建一个经纬网生成器
- graticule - generate a MultiLineString of meridians and parallels.生成经络和纬线的多线字符串
- graticule.lines - generate an array of LineStrings of meridians and parallels.生成一个由经线和纬线组成的 LineStrings 数组
- graticule.outline - generate a Polygon of the graticule’s extent.生成经纬网范围的多边形。
- graticule.extent - get or set the major & minor extents.获取或设置主要和次要范围
- graticule.extentMajor - get or set the major extent.获取或设置主要范围
- graticule.extentMinor - get or set the minor extent.获取或设置次要范围
- graticule.step - get or set the major & minor step intervals.获取或设置主要和次要步骤间隔
- graticule.stepMajor - get or set the major step intervals.获取或设置主要步骤间隔
- graticule.stepMinor - get or set the minor step intervals.获取或设置次要步骤间隔
- graticule.precision - get or set the latitudinal precision.获取或设置纬度精度
- d3.geoGraticule10 - generate the default 10° global graticule.生成默认的 10° 全局经纬网
