Example usage for java.lang Math toRadians

Introduction

In this page you can find the example usage for java.lang Math toRadians.

Prototype

public static double toRadians(double angdeg) 

Source Link

Document

Converts an angle measured in degrees to an approximately equivalent angle measured in radians.

Usage

From source file:org.jrman.parser.Parser.java

public void addTorus(final float majorRadius, final float minorRadius, float pMin, float pMax, float tMax,
        final ParameterList parameters) {
    if (inAreaLightSource)
        return;/*from   w  ww .j ava 2  s  . c  om*/
    final float phiMin = (float) Math.toRadians(pMin);
    final float phiMax = (float) Math.toRadians(pMax);
    final float thetaMax = (float) Math.toRadians(tMax);
    if (!inObject) {
        renderer.addPrimitive(
                new Torus(majorRadius, minorRadius, phiMin, phiMax, 0f, thetaMax, parameters, getAttributes()));
        torusCount++;
    } else {
        final Transform transform = currentAttributes.getTransform();
        currentObjectInstanceList.addPrimitiveCreator(new ObjectInstanceList.PrimitiveCreator() {
            public Primitive create(Attributes attributes) {
                torusCount++;
                return new Torus(majorRadius, minorRadius, phiMin, phiMax, 0f, thetaMax, parameters,
                        createAttributes(transform, attributes));
            }
        });
    }
}

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From source file:AppearanceExplorer.java

Shape3D createNGCube(float creaseAngle) {

    // color cube
    int[] indices = { 0, 3, 4, 2, // left face x = -1
            0, 1, 5, 3, // bottom face y = -1
            0, 2, 6, 1, // back face z = -1
            7, 5, 1, 6, // right face x = 1
            7, 6, 2, 4, // top face y = 1
            7, 4, 3, 5 // front face z = 1
    };//from  w  w  w  .j  a va 2  s  . co m

    Point3f pts[] = new Point3f[8];
    pts[0] = new Point3f(-1.0f, -1.0f, -1.0f);
    pts[1] = new Point3f(1.0f, -1.0f, -1.0f);
    pts[2] = new Point3f(-1.0f, 1.0f, -1.0f);
    pts[3] = new Point3f(-1.0f, -1.0f, 1.0f);
    pts[4] = new Point3f(-1.0f, 1.0f, 1.0f);
    pts[5] = new Point3f(1.0f, -1.0f, 1.0f);
    pts[6] = new Point3f(1.0f, 1.0f, -1.0f);
    pts[7] = new Point3f(1.0f, 1.0f, 1.0f);

    GeometryInfo gi = new GeometryInfo(GeometryInfo.QUAD_ARRAY);
    gi.setCoordinates(pts);
    gi.setCoordinateIndices(indices);
    NormalGenerator ng = new NormalGenerator();
    ng.setCreaseAngle((float) Math.toRadians(creaseAngle));
    ng.generateNormals(gi);
    GeometryArray cube = gi.getGeometryArray();
    return new Shape3D(cube, appearance);
}

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From source file:fr.inria.wimmics.prissma.selection.Matcher.java

/**
 * Compute geographic distance with the haversine formula.
 * Earth radius expressed in Km.//  w ww.  java2s  .co m
 * @param lat1
 * @param lng1
 * @param lat2
 * @param lng2
 * @return distance in Km
 */
private double haversineDistance(double lat1, double lng1, double lat2, double lng2) {
    double earthRadius = 6371; // Km
    double dLat = Math.toRadians(lat2 - lat1);
    double dLng = Math.toRadians(lng2 - lng1);
    double sindLat = Math.sin(dLat / 2);
    double sindLng = Math.sin(dLng / 2);
    double a = Math.pow(sindLat, 2)
            + Math.pow(sindLng, 2) * Math.cos(Math.toRadians(lat1)) * Math.cos(Math.toRadians(lat2));
    double c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1 - a));
    double dist = earthRadius * c;

    return dist;
}

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From source file:org.cryptsecure.Utility.java

/**
 * Gets the tile number for OpenStreetMap.
 * /*ww  w.j a  va  2  s. c o m*/
 * @param lat
 *            the lat
 * @param lon
 *            the lon
 * @param zoom
 *            the zoom
 * @return the tile number
 */
public static String getTileNumber(double lat, double lon, final int zoom) {

    // if (zoom == 17) { //250
    // lat += 0.0002000;
    // lon -= 0.0015000;
    // // lon -= 0.001000;
    // }
    // else if (zoom == 16) { //500
    // lat += 0.0008000;
    // lon -= 0.0008000;
    // // lon -= 2*0.001000;
    // }

    int xtile = (int) Math.floor(((lon + 180) / 360) * (1 << zoom));
    int ytile = (int) Math
            .floor((1 - Math.log(Math.tan(Math.toRadians(lat)) + 1 / Math.cos(Math.toRadians(lat))) / Math.PI)
                    / 2 * (1 << zoom));
    if (xtile < 0)
        xtile = 0;
    if (xtile >= (1 << zoom))
        xtile = ((1 << zoom) - 1);
    if (ytile < 0)
        ytile = 0;
    if (ytile >= (1 << zoom))
        ytile = ((1 << zoom) - 1);

    return ("" + zoom + "/" + xtile + "/" + ytile);
}

---

From source file:jp.furplag.util.commons.NumberUtilsTest.java

/**
 * {@link jp.furplag.util.commons.NumberUtils#cos(java.lang.Number, boolean)}.
 *///from  ww w.ja v a2  s  .c  o  m
@SuppressWarnings("unchecked")
@Test
public void testCosNumberBoolean() {
    // [TODO]
    //    assertEquals("null", null, cos(null, false));
    //    assertEquals("null", (Object) Math.cos(Math.toRadians(0d)), cos(null, true));
    for (Class<?> type : NUMBERS) {
        int i = ObjectUtils.isAny(type, byte.class, Byte.class) ? -128 : -720;
        while (i <= (ObjectUtils.isAny(type, byte.class, Byte.class) ? 127 : 720)) {
            assertEquals("deg: " + i + ": " + type.getSimpleName(), (Object) Math.cos(Math.toRadians(i)),
                    cos(valueOf(i, (Class<? extends Number>) type), false));
            assertEquals("deg: " + i + ": " + type.getSimpleName(), (Object) Math.cos(Math.toRadians(i)),
                    cos(toRadians(valueOf(i, (Class<? extends Number>) type)), true));
            i++;
        }
    }
}

---

From source file:com.google.vrtoolkit.cardboard.samples.treasurehunt.MainActivity.java

/**
 * Find a new random position for the object.
 *
 * <p>We'll rotate it around the Y-axis so it's out of sight, and then up or down by a little bit.
 *//*from w  w w.  j av  a 2 s  .c o m*/
private void hideObject() {
    float[] rotationMatrix = new float[16];
    float[] posVec = new float[4];

    // First rotate in XZ plane, between 90 and 270 deg away, and scale so that we vary
    // the object's distance from the user.
    float angleXZ = (float) Math.random() * 180 + 90;
    Matrix.setRotateM(rotationMatrix, 0, angleXZ, 0f, 1f, 0f);
    float oldObjectDistance = objectDistance;
    objectDistance = (float) Math.random() * (MAX_MODEL_DISTANCE - MIN_MODEL_DISTANCE) + MIN_MODEL_DISTANCE;
    float objectScalingFactor = objectDistance / oldObjectDistance;
    Matrix.scaleM(rotationMatrix, 0, objectScalingFactor, objectScalingFactor, objectScalingFactor);
    Matrix.multiplyMV(posVec, 0, rotationMatrix, 0, modelCube, 12);

    float angleY = (float) Math.random() * 80 - 40; // Angle in Y plane, between -40 and 40.
    angleY = (float) Math.toRadians(angleY);
    float newY = (float) Math.tan(angleY) * objectDistance;

    modelPosition[0] = posVec[0];
    modelPosition[1] = newY;
    modelPosition[2] = posVec[2];

    updateModelPosition();
}

---

From source file:code.Servlet.java

private void getSteps(String idEvent, HttpServletResponse response, Statement stmt, PrintWriter out)
        throws IOException, SQLException {
    System.out.println("getSteps");

    String query = "SELECT * FROM event join city where event.city_name=city.name and event.idEvent=" + idEvent
            + "'";
    ResultSet res = stmt.executeQuery(query);

    if (!res.next()) {
        System.out.println("Nessun evento");
    }//  ww  w . j  a v  a  2s .c o m

    Location start = new Location(Double.parseDouble(res.getString("start_lat")),
            Double.parseDouble(res.getString("start_lon")));

    query = "select count(*) as num from step where Event_idEvent=" + idEvent + "'";
    res = stmt.executeQuery(query);
    if (!res.next()) {
        System.out.println("Nessuno steps nell' evento 1");
    }

    int N = Integer.parseInt(res.getString("num")) - 1;
    if (N == -1) {
        System.out.println("Nessuno steps nell' evento 2");
    }

    query = "select * from step where Event_idEvent=" + idEvent + "' order by rand()";
    res = stmt.executeQuery(query);
    if (!res.next()) {
        System.out.println("Nessuno step nell' evento");
    }

    double ai, bi;
    double[] tete = new double[N + 1];
    Location[] indizzi = new Location[N + 1];

    String resp = "";
    for (int i = 0; i < N + 1; i++) {
        tete[i] = Double.parseDouble(res.getString("angle"));
        bi = lenPasso * Math.cos(Math.toRadians(computeTeta(tete[i])));
        if (tete[i] > 90 && tete[i] < 270) {
            bi *= -1;
        }
        ai = lenPasso * Math.sin(Math.toRadians(computeTeta(tete[i])));
        if (tete[i] > 180 && tete[i] < 360) {
            ai *= -1;
        }
        System.out.println(i + " -> bi: " + bi + "   ai:" + ai + "   teta: " + tete[i]);
        indizzi[i] = new Location();
        if (i == 0) {
            indizzi[i].lat = start.lat + bi * kmToLat;
            indizzi[i].lon = start.lon + ai * kmToLon;
        } else {
            indizzi[i].lat = indizzi[i - 1].lat + bi * kmToLat;
            indizzi[i].lon = indizzi[i - 1].lon + ai * kmToLon;
        }
        resp += indizzi[i].lat + "," + indizzi[i].lon + "," + res.getString("idStep") + ";";
        res.next();
    }
    resp += "" + (N + 1);

    System.out.println("fine getSteps: " + resp); // ***
    System.out.flush();

    response.setContentType("text/plain");
    response.setContentLength(resp.length());
    PrintWriter reply = response.getWriter();
    reply.println(resp);
    out.close(); //non so se serve out
    out.flush();
}

---

From source file:org.jrman.parser.Parser.java

public void addCylinder(final float radius, final float zmin, final float zmax, float tMax,
        final ParameterList parameters) {
    if (inAreaLightSource)
        return;/*from w w w . ja  v  a2 s  . c  o  m*/
    final float thetaMax = (float) Math.toRadians(tMax);
    if (!inObject) {
        renderer.addPrimitive(new Cylinder(radius, zmin, zmax, 0f, thetaMax, parameters, getAttributes()));
        cylinderCount++;
    } else {
        final Transform transform = currentAttributes.getTransform();
        currentObjectInstanceList.addPrimitiveCreator(new ObjectInstanceList.PrimitiveCreator() {
            public Primitive create(Attributes attributes) {
                cylinderCount++;
                return new Cylinder(radius, zmin, zmax, 0f, thetaMax, parameters,
                        createAttributes(transform, attributes));
            }
        });
    }
}

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From source file:lucee.runtime.img.Image.java

public void rotateAxis(double angle) throws ExpressionException {
    getGraphics().rotate(Math.toRadians(angle));
}

---

From source file:org.jrman.parser.Parser.java

public void addCone(final float height, final float radius, float tMax, final ParameterList parameters) {
    if (inAreaLightSource)
        return;/*from www . java 2 s.c om*/
    final float thetaMax = (float) Math.toRadians(tMax);
    if (!inObject) {
        renderer.addPrimitive(new Cone(radius, 0f, height, 0f, thetaMax, height, parameters, getAttributes()));
        coneCount++;
    } else {
        final Transform transform = currentAttributes.getTransform();
        currentObjectInstanceList.addPrimitiveCreator(new ObjectInstanceList.PrimitiveCreator() {
            public Primitive create(Attributes attributes) {
                coneCount++;
                return new Cone(radius, 0f, height, 0f, thetaMax, height, parameters,
                        createAttributes(transform, attributes));
            }
        });
    }
}

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