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add altitude in projections #2475

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Merged
fuzhenn merged 1 commit into from
Dec 10, 2024
Merged

add altitude in projections #2475

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4 changes: 3 additions & 1 deletion src/geo/projection/Projection.Baidu.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -69,12 +69,14 @@ const ProjectionMethods = {
cD[8] * cB * cB * cB * cB * cB * cB;
T *= (cC.x < 0 ? -1 : 1);
cE *= (cC.y < 0 ? -1 : 1);
const z = cC.z;
if (out) {
out.x = T;
out.y = cE;
out.z = z;
return out;
}
return new Coordinate(T, cE);
return new Coordinate(T, cE, z);
},
toRadians: function (T: number): number {
return Math.PI * T / 180;
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8 changes: 6 additions & 2 deletions src/geo/projection/Projection.EPSG3857.ts
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Expand Up @@ -30,12 +30,14 @@ const EPSG3857Projection = {
}
const x = lng * metersPerDegree;
const y = c * metersPerDegree;
const z = lnglat.z;
if (out) {
out.x = x;
out.y = y;
out.z = z;
return out;
}
return new Coordinate(x, y);
return new Coordinate(x, y, z);
},

unproject: function (pLnglat: Coordinate, out?: Coordinate) {
Expand All @@ -60,12 +62,14 @@ const EPSG3857Projection = {
// const ry = wrap(c, -this.maxLatitude, this.maxLatitude);
const rx = x;
const ry = c;
const rz = pLnglat.z;
if (out) {
out.x = rx;
out.y = ry;
out.z = rz;
return out;
}
return new Coordinate(rx, ry);
return new Coordinate(rx, ry, rz);
}
};

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2 changes: 2 additions & 0 deletions src/geo/projection/Projection.EPSG4326.ts
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Expand Up @@ -14,6 +14,7 @@ const EPSG4326Projection = {
if (out) {
out.x = p.x;
out.y = p.y;
out.z = p.z;
return out;
}
return new Coordinate(p);
Expand All @@ -22,6 +23,7 @@ const EPSG4326Projection = {
if (out) {
out.x = p.x;
out.y = p.y;
out.z = p.z;
return out;
}
return new Coordinate(p);
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8 changes: 6 additions & 2 deletions src/geo/projection/Projection.EPSG9807.ts
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Expand Up @@ -71,25 +71,29 @@ const EPSG9807Projection = {
P.fwd(lp, xy);
const x = P.a * xy.x + P.x0 - originX;
const y = P.a * xy.y + P.y0 - originY;
const z = p.z;
if (out) {
out.x = x;
out.y = y;
out.z = z;
return out;
}
return new Coordinate(x, y);
return new Coordinate(x, y, z);
},
unproject: function (p: Coordinate, out?: Coordinate): Coordinate {
xy.x = (p.x - P.x0 + originX) / P.a;
xy.y = (p.y - P.y0 + originY) / P.a;
P.inv(xy, lp);
const x = (lp.lam + P.lam0) * RAD_TO_DEG;
const y = lp.phi * RAD_TO_DEG;
const z = p.z;
if (out) {
out.x = x;
out.y = y;
out.z = z;
return out;
}
return new Coordinate(x, y);
return new Coordinate(x, y, z);
}
};

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2 changes: 2 additions & 0 deletions src/geo/projection/Projection.IDENTITY.ts
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Expand Up @@ -13,6 +13,7 @@ const IdentityProjection = {
if (out) {
out.x = p.x;
out.y = p.y;
out.z = p.z;
return out;
}
return p.copy();
Expand All @@ -21,6 +22,7 @@ const IdentityProjection = {
if (out) {
out.x = p.x;
out.y = p.y;
out.z = p.z;
return out;
}
return p.copy();
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