sharpetronics/Map-Projections
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It works!

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The AuthaGraph projection is a go! Sure, it doesn't preserve area, and
it looks like garbage, but it looks decent! We'll get there. Probably
tomorrow.
This commit is contained in:
jkunimune 2016-11-22 16:14:46 -05:00
parent 59ee92ce45
commit 2872c49c08
3 changed files with 15 additions and 18 deletions
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MapConfigurer.jar
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bin/MapProjections.class
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src/MapProjections.java
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@ -390,11 +390,9 @@ public class MapProjections extends Application {
lonf = lon0 - lonf = lon0 -
Math.acos(innerFunc); Math.acos(innerFunc);
double P = Math.sin(lat0)*Math.cos(latf)-Math.cos(lat0)*Math.sin(latf)*Math.cos(lonf-lon0); double thtf = 0;
double thtf = Math.acos(P/Math.cos(lat1)); if (pole.length >= 3)
thtf = 0; thtf += pole[2];
if (coords.length >= 3)
thtf += coords[2];
double[] output = {latf, lonf, thtf}; double[] output = {latf, lonf, thtf};
return output; return output;
@ -584,40 +582,39 @@ public class MapProjections extends Application {
final double[] faceCenter = new double[3]; final double[] faceCenter = new double[3];
final double localX, localY; final double localX, localY;
if (y-1 < 4*x && y-1 < -4*x) { if (y-1 < 4*x && y-1 < -4*x) {
//faceCenter[0] = Math.asin(Math.sqrt(8)/3)-Math.PI/2; faceCenter[0] = Math.PI/2-Math.asin(Math.sqrt(8)/3);
faceCenter[0] = 0.7;
faceCenter[1] = 0; faceCenter[1] = 0;
faceCenter[2] = 0; faceCenter[2] = 0;
localX = 2*x; localX = 2*x;
localY = y-1/3.0; localY = y+1/3.0;
} }
else if (y-1 < -4*(x+1)) { else if (y-1 < -4*(x+1)) {
faceCenter[0] = Math.PI/2; faceCenter[0] = -Math.PI/2;
faceCenter[1] = 0; faceCenter[1] = 0;
faceCenter[2] = 0; faceCenter[2] = Math.PI;
localX = 2*(x+1); localX = 2*(x+1);
localY = y-1/3.0; localY = y+1/3.0;
} }
else if (y-1 < 4*(x-1)) { else if (y-1 < 4*(x-1)) {
faceCenter[0] = Math.PI/2; faceCenter[0] = -Math.PI/2;
faceCenter[1] = 0; faceCenter[1] = 0;
faceCenter[2] = 0; faceCenter[2] = Math.PI;
localX = 2*(x-1); localX = 2*(x-1);
localY = y-1/3.0; localY = y+1/3.0;
} }
else if (x < 0) { else if (x < 0) {
faceCenter[0] = Math.asin(Math.sqrt(8)/3)-Math.PI/2; faceCenter[0] = Math.PI/2-Math.asin(Math.sqrt(8)/3);
faceCenter[1] = 4*Math.PI/3; faceCenter[1] = 4*Math.PI/3;
faceCenter[2] = Math.PI/3; faceCenter[2] = Math.PI/3;
localX = 2*(x+0.5); localX = 2*(x+0.5);
localY = y+1/3.0; localY = y-1/3.0;
} }
else { else {
faceCenter[0] = Math.asin(Math.sqrt(8)/3)-Math.PI/2; faceCenter[0] = Math.PI/2-Math.asin(Math.sqrt(8)/3);
faceCenter[1] =2*Math.PI/3; faceCenter[1] =2*Math.PI/3;
faceCenter[2] = -Math.PI/3; faceCenter[2] = -Math.PI/3;
localX = 2*(x-0.5); localX = 2*(x-0.5);
localY = y+1/3.0; localY = y-1/3.0;
} }
double[] triCoords = { double[] triCoords = {