Java Utililty Methods Angle

List of utility methods to do Angle

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Description

The list of methods to do Angle are organized into topic(s).

Method

booleanangleInRange(double angle, double min, double max)
angle In Range 
if (min < max) {
    return (angle > min && angle < max);
return (angle > min || angle < max);
booleanangleInRange(float theta1, float theta2, float tolerance)
angle In Range 
theta1 = boundAngle(theta1);
theta2 = boundAngle(theta2);
float dtheta = Math.abs(theta1 - theta2);
if (dtheta > Math.PI) {
    if (2 * Math.PI - dtheta <= tolerance)
        return true;
} else {
    if (dtheta <= tolerance)
...
floatangleLinear(float a, float b, int spin, float f)
angle Linear 
if (spin == 0)
    return a;
if (spin > 0 && (b - a) < 0)
    b += 360.0f;
if (spin < 0 && (b - a) > 0)
    b -= 360.0f;
return linear(a, b, f);
doubleangleOfLine(int x1, int y1, int x2, int y2)
Given the coordinates of the start and end of a line, returns the angle in radians of the line 
if (y1 == y2) 
    if (x2 >= x1)
        return 0.0;
    else
        return Math.PI;
if (x1 == x2) 
    if (y2 >= y1)
        return Math.PI / 2.0;
...
doubleangleOfLineDeg(double x1, double y1, double x2, double y2)
Determines the angle at which a line must be drawn to get from the first point to the second in degrees. 
double t = Math.toDegrees(Math.atan2((y2 - y1), (x2 - x1)));
return (t < 0) ? t + 360 : t;
intangleRadToDegClipped(final double angleRad)
angle Rad To Deg Clipped 
final int degUnclipped = (int) (Math.toDegrees(angleRad) + 0.5);
return ((degUnclipped % 360) + 360) % 360;
booleananglesInvalid(double sza, double vza, double saa, double vaa)
angles Invalid 
final double eps = 1.E-6;
final boolean szaInvalid = sza > 70.0; 
final boolean vzaInvalid = Double.isNaN(vza);
final boolean saaInvalid = Double.isNaN(saa);
final boolean vaaInvalid = Double.isNaN(vaa);
return szaInvalid || saaInvalid || vzaInvalid || vaaInvalid;
floatangleSum(float a1, float a2)
Sum of two angles. 
double val = a1 + a2;
if (val > Math.PI) {
    val -= 2. * Math.PI;
if (val < -Math.PI) {
    val += 2. * Math.PI;
return (float) val;
...
floatangleTo(final int x, final int y, final int thatx, final int thaty)
Returns the angle between this point and that point. 
final int dx = thatx - x;
final int dy = thaty - y;
return (float) Math.atan2(dy, dx);
StringangleToCompass(double angleIn)
angle To Compass 
double angle = angleIn % 360.0;
if (angle < 22.5)
    return "N ";
else if (angle < 67.5)
    return "NE";
else if (angle < 112.5)
    return "E ";
else if (angle < 157.5)
...