本文整理汇总了TypeScript中core/util/proj4.proj4函数的典型用法代码示例。如果您正苦于以下问题：TypeScript proj4函数的具体用法？TypeScript proj4怎么用？TypeScript proj4使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了proj4函数的5个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的TypeScript代码示例。
示例1: doFormat
doFormat(ticks, axis) {
if ((this.dimension == null)) {
throw new Error("MercatorTickFormatter.dimension not configured");
}
if (ticks.length === 0) {
return [];
}
const proj_ticks = new Array(ticks.length);
if (this.dimension === "lon") {
for (let i = 0, end = ticks.length; i < end; i++) {
const [lon,] = proj4(mercator).inverse([ticks[i], axis.loc]);
proj_ticks[i] = lon;
}
} else {
for (let i = 0, end = ticks.length; i < end; i++) {
const [, lat] = proj4(mercator).inverse([axis.loc, ticks[i]]);
proj_ticks[i] = lat;
}
}
return super.doFormat(proj_ticks, axis);
}示例2: get_ticks_no_defaults
get_ticks_no_defaults(data_low: number, data_high: number, cross_loc: any, desired_n_ticks: number) {
if (this.dimension == null) {
throw new Error("MercatorTicker.dimension not configured")
}
[data_low, data_high] = clip_mercator(data_low, data_high, this.dimension)
let proj_low: number, proj_high: number, proj_cross_loc: any
if (this.dimension === "lon") {
[proj_low, proj_cross_loc] = proj4(mercator).inverse([data_low, cross_loc]);
[proj_high, proj_cross_loc] = proj4(mercator).inverse([data_high, cross_loc])
} else {
[proj_cross_loc, proj_low ] = proj4(mercator).inverse([cross_loc, data_low ]);
[proj_cross_loc, proj_high] = proj4(mercator).inverse([cross_loc, data_high])
}
const proj_ticks = super.get_ticks_no_defaults(proj_low, proj_high, cross_loc, desired_n_ticks)
const major: number[] = []
const minor: number[] = []
if (this.dimension === "lon") {
for (const tick of proj_ticks.major) {
if (in_bounds(tick, 'lon')) {
const [lon] = proj4(mercator).forward([tick, proj_cross_loc])
major.push(lon)
}
}
for (const tick of proj_ticks.minor) {
if (in_bounds(tick, 'lon')) {
const [lon] = proj4(mercator).forward([tick, proj_cross_loc])
minor.push(lon)
}
}
} else {
for (const tick of proj_ticks.major) {
if (in_bounds(tick, 'lat')) {
const [, lat] = proj4(mercator).forward([proj_cross_loc, tick])
major.push(lat)
}
}
for (const tick of proj_ticks.minor) {
if (in_bounds(tick, 'lat')) {
const [, lat] = proj4(mercator).forward([proj_cross_loc, tick])
minor.push(lat)
}
}
}
return {
major: major,
minor: minor,
}
}示例3: geographic_to_meters
geographic_to_meters(xLon, yLat) {
return proj4(wgs84, mercator, [xLon, yLat]);
}示例4: meters_to_geographic
meters_to_geographic(mx, my) {
return proj4(mercator, wgs84, [mx, my]);
}示例5: _get_projected_bounds
_get_projected_bounds() {
const [xstart, xend, ystart, yend] = this._get_latlon_bounds();
const [proj_xstart, proj_ystart] = proj4(mercator, [xstart, ystart]);
const [proj_xend, proj_yend] = proj4(mercator, [xend, yend]);
return [proj_xstart, proj_xend, proj_ystart, proj_yend];
}