org.apache.commons.math3.geometry.euclidean.twod.Euclidean2D Java Examples
The following examples show how to use
org.apache.commons.math3.geometry.euclidean.twod.Euclidean2D.
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Example #1
| Source File: PolyhedronsSet.java From astor with GNU General Public License v2.0 | 6 votes |
|
/** {@inheritDoc} */
public SubHyperplane<Euclidean2D> apply(final SubHyperplane<Euclidean2D> sub,
final Hyperplane<Euclidean3D> original,
final Hyperplane<Euclidean3D> transformed) {
if (original != cachedOriginal) {
// we have changed hyperplane, reset the in-hyperplane transform
final Plane oPlane = (Plane) original;
final Plane tPlane = (Plane) transformed;
final Vector2D shift = tPlane.toSubSpace(apply(oPlane.getOrigin()));
final AffineTransform at =
AffineTransform.getTranslateInstance(shift.getX(), shift.getY());
cachedOriginal = (Plane) original;
cachedTransform =
org.apache.commons.math3.geometry.euclidean.twod.Line.getTransform(at);
}
return ((SubLine) sub).applyTransform(cachedTransform);
}
Example #2
| Source File: PolyhedronsSet.java From astor with GNU General Public License v2.0 | 6 votes |
|
/** Add he contribution of a boundary facet.
* @param facet boundary facet
* @param reversed if true, the facet has the inside on its plus side
*/
private void addContribution(final SubHyperplane<Euclidean3D> facet, final boolean reversed) {
final Region<Euclidean2D> polygon = ((SubPlane) facet).getRemainingRegion();
final double area = polygon.getSize();
if (Double.isInfinite(area)) {
setSize(Double.POSITIVE_INFINITY);
setBarycenter(Vector3D.NaN);
} else {
final Plane plane = (Plane) facet.getHyperplane();
final Vector3D facetB = plane.toSpace(polygon.getBarycenter());
double scaled = area * facetB.dotProduct(plane.getNormal());
if (reversed) {
scaled = -scaled;
}
setSize(getSize() + scaled);
setBarycenter(new Vector3D(1.0, (Vector3D) getBarycenter(), scaled, facetB));
}
}
Example #3
| Source File: PolyhedronsSet.java From astor with GNU General Public License v2.0 | 6 votes |
|
/** Add he contribution of a boundary facet.
* @param facet boundary facet
* @param reversed if true, the facet has the inside on its plus side
*/
private void addContribution(final SubHyperplane<Euclidean3D> facet, final boolean reversed) {
final Region<Euclidean2D> polygon = ((SubPlane) facet).getRemainingRegion();
final double area = polygon.getSize();
if (Double.isInfinite(area)) {
setSize(Double.POSITIVE_INFINITY);
setBarycenter(Vector3D.NaN);
} else {
final Plane plane = (Plane) facet.getHyperplane();
final Vector3D facetB = plane.toSpace(polygon.getBarycenter());
double scaled = area * facetB.dotProduct(plane.getNormal());
if (reversed) {
scaled = -scaled;
}
setSize(getSize() + scaled);
setBarycenter(new Vector3D(1.0, (Vector3D) getBarycenter(), scaled, facetB));
}
}
Example #4
| Source File: PolyhedronsSet.java From astor with GNU General Public License v2.0 | 6 votes |
|
/** {@inheritDoc} */
public SubHyperplane<Euclidean2D> apply(final SubHyperplane<Euclidean2D> sub,
final Hyperplane<Euclidean3D> original,
final Hyperplane<Euclidean3D> transformed) {
if (original != cachedOriginal) {
// we have changed hyperplane, reset the in-hyperplane transform
final Plane oPlane = (Plane) original;
final Plane tPlane = (Plane) transformed;
final Vector2D shift = tPlane.toSubSpace(apply(oPlane.getOrigin()));
final AffineTransform at =
AffineTransform.getTranslateInstance(shift.getX(), shift.getY());
cachedOriginal = (Plane) original;
cachedTransform =
org.apache.commons.math3.geometry.euclidean.twod.Line.getTransform(at);
}
return ((SubLine) sub).applyTransform(cachedTransform);
}
Example #5
| Source File: PolyhedronsSet.java From astor with GNU General Public License v2.0 | 6 votes |
|
/** {@inheritDoc} */
public SubHyperplane<Euclidean2D> apply(final SubHyperplane<Euclidean2D> sub,
final Hyperplane<Euclidean3D> original,
final Hyperplane<Euclidean3D> transformed) {
if (original != cachedOriginal) {
// we have changed hyperplane, reset the in-hyperplane transform
final Plane oPlane = (Plane) original;
final Plane tPlane = (Plane) transformed;
final Vector3D p00 = oPlane.getOrigin();
final Vector3D p10 = oPlane.toSpace(new Vector2D(1.0, 0.0));
final Vector3D p01 = oPlane.toSpace(new Vector2D(0.0, 1.0));
final Vector2D tP00 = tPlane.toSubSpace(apply(p00));
final Vector2D tP10 = tPlane.toSubSpace(apply(p10));
final Vector2D tP01 = tPlane.toSubSpace(apply(p01));
final AffineTransform at =
new AffineTransform(tP10.getX() - tP00.getX(), tP10.getY() - tP00.getY(),
tP01.getX() - tP00.getX(), tP01.getY() - tP00.getY(),
tP00.getX(), tP00.getY());
cachedOriginal = (Plane) original;
cachedTransform = org.apache.commons.math3.geometry.euclidean.twod.Line.getTransform(at);
}
return ((SubLine) sub).applyTransform(cachedTransform);
}
Example #6
| Source File: PolyhedronsSet.java From astor with GNU General Public License v2.0 | 6 votes |
|
/** {@inheritDoc} */
public SubHyperplane<Euclidean2D> apply(final SubHyperplane<Euclidean2D> sub,
final Hyperplane<Euclidean3D> original,
final Hyperplane<Euclidean3D> transformed) {
if (original != cachedOriginal) {
// we have changed hyperplane, reset the in-hyperplane transform
final Plane oPlane = (Plane) original;
final Plane tPlane = (Plane) transformed;
final Vector2D shift = tPlane.toSubSpace(apply(oPlane.getOrigin()));
final AffineTransform at =
AffineTransform.getTranslateInstance(shift.getX(), shift.getY());
cachedOriginal = (Plane) original;
cachedTransform =
org.apache.commons.math3.geometry.euclidean.twod.Line.getTransform(at);
}
return ((SubLine) sub).applyTransform(cachedTransform);
}
Example #7
| Source File: EnclosingDiskEvaluator.java From lucene-solr with Apache License 2.0 | 6 votes |
|
@SuppressWarnings({"rawtypes"})
public static EnclosingBall getEnclosingDisk(Matrix matrix) throws IOException {
double[][] data = matrix.getData();
List<Vector2D> points = new ArrayList<>(data.length);
if(data[0].length == 2) {
for(double[] row : data) {
points.add(new Vector2D(row[0], row[1]));
}
@SuppressWarnings({"unchecked"})
WelzlEncloser<Euclidean2D, Vector2D> welzlEncloser = new WelzlEncloser(.001, new DiskGenerator());
EnclosingBall enclosingBall = welzlEncloser.enclose(points);
return enclosingBall;
} else {
throw new IOException("The enclosingDisk function operates on a matrix of 2D vectors");
}
}
Example #8
| Source File: NPEfix10_ten_s.java From coming with MIT License | 6 votes |
|
/** {@inheritDoc} */
public SubHyperplane<Euclidean2D> apply(final SubHyperplane<Euclidean2D> sub,
final Hyperplane<Euclidean3D> original,
final Hyperplane<Euclidean3D> transformed) {
if (original != cachedOriginal) {
// we have changed hyperplane, reset the in-hyperplane transform
final Plane oPlane = (Plane) original;
final Plane tPlane = (Plane) transformed;
final Vector2D shift = tPlane.toSubSpace((Point<Euclidean3D>) apply(oPlane.getOrigin()));
final AffineTransform at =
AffineTransform.getTranslateInstance(shift.getX(), shift.getY());
cachedOriginal = (Plane) original;
cachedTransform =
org.apache.commons.math3.geometry.euclidean.twod.Line.getTransform(at);
}
return ((SubLine) sub).applyTransform(cachedTransform);
}
Example #9
| Source File: NPEfix10_ten_s.java From coming with MIT License | 6 votes |
|
/** {@inheritDoc} */
public SubHyperplane<Euclidean2D> apply(final SubHyperplane<Euclidean2D> sub,
final Hyperplane<Euclidean3D> original,
final Hyperplane<Euclidean3D> transformed) {
if (original != cachedOriginal) {
// we have changed hyperplane, reset the in-hyperplane transform
final Plane oPlane = (Plane) original;
final Plane tPlane = (Plane) transformed;
final Vector3D p00 = oPlane.getOrigin();
final Vector3D p10 = oPlane.toSpace((Point<Euclidean2D>) new Vector2D(1.0, 0.0));
final Vector3D p01 = oPlane.toSpace((Point<Euclidean2D>) new Vector2D(0.0, 1.0));
final Vector2D tP00 = tPlane.toSubSpace((Point<Euclidean3D>) apply(p00));
final Vector2D tP10 = tPlane.toSubSpace((Point<Euclidean3D>) apply(p10));
final Vector2D tP01 = tPlane.toSubSpace((Point<Euclidean3D>) apply(p01));
final AffineTransform at =
new AffineTransform(tP10.getX() - tP00.getX(), tP10.getY() - tP00.getY(),
tP01.getX() - tP00.getX(), tP01.getY() - tP00.getY(),
tP00.getX(), tP00.getY());
cachedOriginal = (Plane) original;
cachedTransform = org.apache.commons.math3.geometry.euclidean.twod.Line.getTransform(at);
}
return ((SubLine) sub).applyTransform(cachedTransform);
}
Example #10
| Source File: NPEfix10_ten_s.java From coming with MIT License | 6 votes |
|
/** Add he contribution of a boundary facet.
* @param facet boundary facet
* @param reversed if true, the facet has the inside on its plus side
*/
private void addContribution(final SubHyperplane<Euclidean3D> facet, final boolean reversed) {
final Region<Euclidean2D> polygon = ((SubPlane) facet).getRemainingRegion();
final double area = polygon.getSize();
if (Double.isInfinite(area)) {
setSize(Double.POSITIVE_INFINITY);
setBarycenter((Point<Euclidean3D>) Vector3D.NaN);
} else {
final Plane plane = (Plane) facet.getHyperplane();
final Vector3D facetB = plane.toSpace(polygon.getBarycenter());
double scaled = area * facetB.dotProduct(plane.getNormal());
if (reversed) {
scaled = -scaled;
}
setSize(getSize() + scaled);
setBarycenter((Point<Euclidean3D>) new Vector3D(1.0, (Vector3D) getBarycenter(), scaled, facetB));
}
}
Example #11
| Source File: NPEfix10_ten_t.java From coming with MIT License | 6 votes |
|
/** {@inheritDoc} */
public SubHyperplane<Euclidean2D> apply(final SubHyperplane<Euclidean2D> sub,
final Hyperplane<Euclidean3D> original,
final Hyperplane<Euclidean3D> transformed) {
if (original != cachedOriginal) {
// we have changed hyperplane, reset the in-hyperplane transform
final Plane oPlane = (Plane) original;
final Plane tPlane = (Plane) transformed;
final Vector3D p00 = oPlane.getOrigin();
final Vector3D p10 = oPlane.toSpace((Point<Euclidean2D>) new Vector2D(1.0, 0.0));
final Vector3D p01 = oPlane.toSpace((Point<Euclidean2D>) new Vector2D(0.0, 1.0));
final Vector2D tP00 = tPlane.toSubSpace((Point<Euclidean3D>) apply(p00));
final Vector2D tP10 = tPlane.toSubSpace((Point<Euclidean3D>) apply(p10));
final Vector2D tP01 = tPlane.toSubSpace((Point<Euclidean3D>) apply(p01));
final AffineTransform at =
new AffineTransform(tP10.getX() - tP00.getX(), tP10.getY() - tP00.getY(),
tP01.getX() - tP00.getX(), tP01.getY() - tP00.getY(),
tP00.getX(), tP00.getY());
cachedOriginal = (Plane) original;
cachedTransform = org.apache.commons.math3.geometry.euclidean.twod.Line.getTransform(at);
}
return ((SubLine) sub).applyTransform(cachedTransform);
}
Example #12
| Source File: NPEfix10_ten_t.java From coming with MIT License | 6 votes |
|
/** Add he contribution of a boundary facet.
* @param facet boundary facet
* @param reversed if true, the facet has the inside on its plus side
*/
private void addContribution(final SubHyperplane<Euclidean3D> facet, final boolean reversed) {
final Region<Euclidean2D> polygon = ((SubPlane) facet).getRemainingRegion();
final double area = polygon.getSize();
if (Double.isInfinite(area)) {
setSize(Double.POSITIVE_INFINITY);
setBarycenter((Point<Euclidean3D>) Vector3D.NaN);
} else {
final Plane plane = (Plane) facet.getHyperplane();
final Vector3D facetB = plane.toSpace(polygon.getBarycenter());
double scaled = area * facetB.dotProduct(plane.getNormal());
if (reversed) {
scaled = -scaled;
}
setSize(getSize() + scaled);
setBarycenter((Point<Euclidean3D>) new Vector3D(1.0, (Vector3D) getBarycenter(), scaled, facetB));
}
}
Example #13
| Source File: ConvexHullGenerator2DAbstractTest.java From astor with GNU General Public License v2.0 | 6 votes |
|
protected final void checkPointsInsideHullRegion(final Collection<Vector2D> points,
final ConvexHull2D hull,
final boolean includesCollinearPoints) {
final Collection<Vector2D> hullVertices = Arrays.asList(hull.getVertices());
final Region<Euclidean2D> region = hull.createRegion();
for (final Vector2D p : points) {
Location location = region.checkPoint(p);
Assert.assertTrue(location != Location.OUTSIDE);
if (location == Location.BOUNDARY && includesCollinearPoints) {
Assert.assertTrue(hullVertices.contains(p));
}
}
}
Example #14
| Source File: PolyhedronsSet.java From astor with GNU General Public License v2.0 | 6 votes |
|
/** Add he contribution of a boundary facet.
* @param facet boundary facet
* @param reversed if true, the facet has the inside on its plus side
*/
private void addContribution(final SubHyperplane<Euclidean3D> facet, final boolean reversed) {
final Region<Euclidean2D> polygon = ((SubPlane) facet).getRemainingRegion();
final double area = polygon.getSize();
if (Double.isInfinite(area)) {
setSize(Double.POSITIVE_INFINITY);
setBarycenter((Point<Euclidean3D>) Vector3D.NaN);
} else {
final Plane plane = (Plane) facet.getHyperplane();
final Vector3D facetB = plane.toSpace(polygon.getBarycenter());
double scaled = area * facetB.dotProduct(plane.getNormal());
if (reversed) {
scaled = -scaled;
}
setSize(getSize() + scaled);
setBarycenter((Point<Euclidean3D>) new Vector3D(1.0, (Vector3D) getBarycenter(), scaled, facetB));
}
}
Example #15
| Source File: PolyhedronsSet.java From astor with GNU General Public License v2.0 | 6 votes |
|
/** {@inheritDoc} */
public SubHyperplane<Euclidean2D> apply(final SubHyperplane<Euclidean2D> sub,
final Hyperplane<Euclidean3D> original,
final Hyperplane<Euclidean3D> transformed) {
if (original != cachedOriginal) {
// we have changed hyperplane, reset the in-hyperplane transform
final Plane oPlane = (Plane) original;
final Plane tPlane = (Plane) transformed;
final Vector3D p00 = oPlane.getOrigin();
final Vector3D p10 = oPlane.toSpace((Point<Euclidean2D>) new Vector2D(1.0, 0.0));
final Vector3D p01 = oPlane.toSpace((Point<Euclidean2D>) new Vector2D(0.0, 1.0));
final Vector2D tP00 = tPlane.toSubSpace((Point<Euclidean3D>) apply(p00));
final Vector2D tP10 = tPlane.toSubSpace((Point<Euclidean3D>) apply(p10));
final Vector2D tP01 = tPlane.toSubSpace((Point<Euclidean3D>) apply(p01));
final AffineTransform at =
new AffineTransform(tP10.getX() - tP00.getX(), tP10.getY() - tP00.getY(),
tP01.getX() - tP00.getX(), tP01.getY() - tP00.getY(),
tP00.getX(), tP00.getY());
cachedOriginal = (Plane) original;
cachedTransform = org.apache.commons.math3.geometry.euclidean.twod.Line.getTransform(at);
}
return ((SubLine) sub).applyTransform(cachedTransform);
}
Example #16
| Source File: PolyhedronsSet.java From astor with GNU General Public License v2.0 | 6 votes |
|
/** {@inheritDoc} */
public SubHyperplane<Euclidean2D> apply(final SubHyperplane<Euclidean2D> sub,
final Hyperplane<Euclidean3D> original,
final Hyperplane<Euclidean3D> transformed) {
if (original != cachedOriginal) {
// we have changed hyperplane, reset the in-hyperplane transform
final Plane oPlane = (Plane) original;
final Plane tPlane = (Plane) transformed;
final Vector2D shift = tPlane.toSubSpace((Point<Euclidean3D>) apply(oPlane.getOrigin()));
final AffineTransform at =
AffineTransform.getTranslateInstance(shift.getX(), shift.getY());
cachedOriginal = (Plane) original;
cachedTransform =
org.apache.commons.math3.geometry.euclidean.twod.Line.getTransform(at);
}
return ((SubLine) sub).applyTransform(cachedTransform);
}
Example #17
| Source File: PolyhedronsSet.java From astor with GNU General Public License v2.0 | 6 votes |
|
/** {@inheritDoc} */
public SubHyperplane<Euclidean2D> apply(final SubHyperplane<Euclidean2D> sub,
final Hyperplane<Euclidean3D> original,
final Hyperplane<Euclidean3D> transformed) {
if (original != cachedOriginal) {
// we have changed hyperplane, reset the in-hyperplane transform
final Plane oPlane = (Plane) original;
final Plane tPlane = (Plane) transformed;
final Vector2D shift = tPlane.toSubSpace((Point<Euclidean3D>) apply(oPlane.getOrigin()));
final AffineTransform at =
AffineTransform.getTranslateInstance(shift.getX(), shift.getY());
cachedOriginal = (Plane) original;
cachedTransform =
org.apache.commons.math3.geometry.euclidean.twod.Line.getTransform(at);
}
return ((SubLine) sub).applyTransform(cachedTransform);
}
Example #18
| Source File: PolyhedronsSet.java From astor with GNU General Public License v2.0 | 6 votes |
|
/** Add he contribution of a boundary facet.
* @param facet boundary facet
* @param reversed if true, the facet has the inside on its plus side
*/
private void addContribution(final SubHyperplane<Euclidean3D> facet, final boolean reversed) {
final Region<Euclidean2D> polygon = ((SubPlane) facet).getRemainingRegion();
final double area = polygon.getSize();
if (Double.isInfinite(area)) {
setSize(Double.POSITIVE_INFINITY);
setBarycenter(Vector3D.NaN);
} else {
final Plane plane = (Plane) facet.getHyperplane();
final Vector3D facetB = plane.toSpace(polygon.getBarycenter());
double scaled = area * facetB.dotProduct(plane.getNormal());
if (reversed) {
scaled = -scaled;
}
setSize(getSize() + scaled);
setBarycenter(new Vector3D(1.0, (Vector3D) getBarycenter(), scaled, facetB));
}
}
Example #19
| Source File: PolyhedronsSet.java From astor with GNU General Public License v2.0 | 6 votes |
|
/** {@inheritDoc} */
public SubHyperplane<Euclidean2D> apply(final SubHyperplane<Euclidean2D> sub,
final Hyperplane<Euclidean3D> original,
final Hyperplane<Euclidean3D> transformed) {
if (original != cachedOriginal) {
// we have changed hyperplane, reset the in-hyperplane transform
final Plane oPlane = (Plane) original;
final Plane tPlane = (Plane) transformed;
final Vector2D shift = tPlane.toSubSpace(apply(oPlane.getOrigin()));
final AffineTransform at =
AffineTransform.getTranslateInstance(shift.getX(), shift.getY());
cachedOriginal = (Plane) original;
cachedTransform =
org.apache.commons.math3.geometry.euclidean.twod.Line.getTransform(at);
}
return ((SubLine) sub).applyTransform(cachedTransform);
}
Example #20
| Source File: PolyhedronsSet.java From astor with GNU General Public License v2.0 | 6 votes |
|
/** {@inheritDoc} */
public SubHyperplane<Euclidean2D> apply(final SubHyperplane<Euclidean2D> sub,
final Hyperplane<Euclidean3D> original,
final Hyperplane<Euclidean3D> transformed) {
if (original != cachedOriginal) {
// we have changed hyperplane, reset the in-hyperplane transform
final Plane oPlane = (Plane) original;
final Plane tPlane = (Plane) transformed;
final Vector3D p00 = oPlane.getOrigin();
final Vector3D p10 = oPlane.toSpace(new Vector2D(1.0, 0.0));
final Vector3D p01 = oPlane.toSpace(new Vector2D(0.0, 1.0));
final Vector2D tP00 = tPlane.toSubSpace(apply(p00));
final Vector2D tP10 = tPlane.toSubSpace(apply(p10));
final Vector2D tP01 = tPlane.toSubSpace(apply(p01));
final AffineTransform at =
new AffineTransform(tP10.getX() - tP00.getX(), tP10.getY() - tP00.getY(),
tP01.getX() - tP00.getX(), tP01.getY() - tP00.getY(),
tP00.getX(), tP00.getY());
cachedOriginal = (Plane) original;
cachedTransform = org.apache.commons.math3.geometry.euclidean.twod.Line.getTransform(at);
}
return ((SubLine) sub).applyTransform(cachedTransform);
}
Example #21
| Source File: PolyhedronsSet.java From astor with GNU General Public License v2.0 | 6 votes |
|
/** {@inheritDoc} */
public SubHyperplane<Euclidean2D> apply(final SubHyperplane<Euclidean2D> sub,
final Hyperplane<Euclidean3D> original,
final Hyperplane<Euclidean3D> transformed) {
if (original != cachedOriginal) {
// we have changed hyperplane, reset the in-hyperplane transform
final Plane oPlane = (Plane) original;
final Plane tPlane = (Plane) transformed;
final Vector3D p00 = oPlane.getOrigin();
final Vector3D p10 = oPlane.toSpace(new Vector2D(1.0, 0.0));
final Vector3D p01 = oPlane.toSpace(new Vector2D(0.0, 1.0));
final Vector2D tP00 = tPlane.toSubSpace(apply(p00));
final Vector2D tP10 = tPlane.toSubSpace(apply(p10));
final Vector2D tP01 = tPlane.toSubSpace(apply(p01));
final AffineTransform at =
new AffineTransform(tP10.getX() - tP00.getX(), tP10.getY() - tP00.getY(),
tP01.getX() - tP00.getX(), tP01.getY() - tP00.getY(),
tP00.getX(), tP00.getY());
cachedOriginal = (Plane) original;
cachedTransform = org.apache.commons.math3.geometry.euclidean.twod.Line.getTransform(at);
}
return ((SubLine) sub).applyTransform(cachedTransform);
}
Example #22
| Source File: ConvexHullGenerator2DAbstractTest.java From astor with GNU General Public License v2.0 | 6 votes |
|
protected final void checkPointsInsideHullRegion(final Collection<Vector2D> points,
final ConvexHull2D hull,
final boolean includesCollinearPoints) {
final Collection<Vector2D> hullVertices = Arrays.asList(hull.getVertices());
final Region<Euclidean2D> region = hull.createRegion();
for (final Vector2D p : points) {
Location location = region.checkPoint(p);
Assert.assertTrue(location != Location.OUTSIDE);
if (location == Location.BOUNDARY && includesCollinearPoints) {
Assert.assertTrue(hullVertices.contains(p));
}
}
}
Example #23
| Source File: PolyhedronsSet.java From astor with GNU General Public License v2.0 | 6 votes |
|
/** {@inheritDoc} */
public SubHyperplane<Euclidean2D> apply(final SubHyperplane<Euclidean2D> sub,
final Hyperplane<Euclidean3D> original,
final Hyperplane<Euclidean3D> transformed) {
if (original != cachedOriginal) {
// we have changed hyperplane, reset the in-hyperplane transform
final Plane oPlane = (Plane) original;
final Plane tPlane = (Plane) transformed;
final Vector3D p00 = oPlane.getOrigin();
final Vector3D p10 = oPlane.toSpace((Point<Euclidean2D>) new Vector2D(1.0, 0.0));
final Vector3D p01 = oPlane.toSpace((Point<Euclidean2D>) new Vector2D(0.0, 1.0));
final Vector2D tP00 = tPlane.toSubSpace((Point<Euclidean3D>) apply(p00));
final Vector2D tP10 = tPlane.toSubSpace((Point<Euclidean3D>) apply(p10));
final Vector2D tP01 = tPlane.toSubSpace((Point<Euclidean3D>) apply(p01));
final AffineTransform at =
new AffineTransform(tP10.getX() - tP00.getX(), tP10.getY() - tP00.getY(),
tP01.getX() - tP00.getX(), tP01.getY() - tP00.getY(),
tP00.getX(), tP00.getY());
cachedOriginal = (Plane) original;
cachedTransform = org.apache.commons.math3.geometry.euclidean.twod.Line.getTransform(at);
}
return ((SubLine) sub).applyTransform(cachedTransform);
}
Example #24
| Source File: PolyhedronsSet.java From astor with GNU General Public License v2.0 | 6 votes |
|
/** {@inheritDoc} */
public SubHyperplane<Euclidean2D> apply(final SubHyperplane<Euclidean2D> sub,
final Hyperplane<Euclidean3D> original,
final Hyperplane<Euclidean3D> transformed) {
if (original != cachedOriginal) {
// we have changed hyperplane, reset the in-hyperplane transform
final Plane oPlane = (Plane) original;
final Plane tPlane = (Plane) transformed;
final Vector2D shift = tPlane.toSubSpace(apply(oPlane.getOrigin()));
final AffineTransform at =
AffineTransform.getTranslateInstance(shift.getX(), shift.getY());
cachedOriginal = (Plane) original;
cachedTransform =
org.apache.commons.math3.geometry.euclidean.twod.Line.getTransform(at);
}
return ((SubLine) sub).applyTransform(cachedTransform);
}
Example #25
| Source File: PolyhedronsSet.java From astor with GNU General Public License v2.0 | 6 votes |
|
/** Add he contribution of a boundary facet.
* @param facet boundary facet
* @param reversed if true, the facet has the inside on its plus side
*/
private void addContribution(final SubHyperplane<Euclidean3D> facet, final boolean reversed) {
final Region<Euclidean2D> polygon = ((SubPlane) facet).getRemainingRegion();
final double area = polygon.getSize();
if (Double.isInfinite(area)) {
setSize(Double.POSITIVE_INFINITY);
setBarycenter((Point<Euclidean3D>) Vector3D.NaN);
} else {
final Plane plane = (Plane) facet.getHyperplane();
final Vector3D facetB = plane.toSpace(polygon.getBarycenter());
double scaled = area * facetB.dotProduct(plane.getNormal());
if (reversed) {
scaled = -scaled;
}
setSize(getSize() + scaled);
setBarycenter((Point<Euclidean3D>) new Vector3D(1.0, (Vector3D) getBarycenter(), scaled, facetB));
}
}
Example #26
| Source File: PolyhedronsSet.java From astor with GNU General Public License v2.0 | 6 votes |
|
/** Add he contribution of a boundary facet.
* @param facet boundary facet
* @param reversed if true, the facet has the inside on its plus side
*/
private void addContribution(final SubHyperplane<Euclidean3D> facet, final boolean reversed) {
final Region<Euclidean2D> polygon = ((SubPlane) facet).getRemainingRegion();
final double area = polygon.getSize();
if (Double.isInfinite(area)) {
setSize(Double.POSITIVE_INFINITY);
setBarycenter(Vector3D.NaN);
} else {
final Plane plane = (Plane) facet.getHyperplane();
final Vector3D facetB = plane.toSpace(polygon.getBarycenter());
double scaled = area * facetB.dotProduct(plane.getNormal());
if (reversed) {
scaled = -scaled;
}
setSize(getSize() + scaled);
setBarycenter(new Vector3D(1.0, (Vector3D) getBarycenter(), scaled, facetB));
}
}
Example #27
| Source File: PolyhedronsSet.java From astor with GNU General Public License v2.0 | 6 votes |
|
/** {@inheritDoc} */
public SubHyperplane<Euclidean2D> apply(final SubHyperplane<Euclidean2D> sub,
final Hyperplane<Euclidean3D> original,
final Hyperplane<Euclidean3D> transformed) {
if (original != cachedOriginal) {
// we have changed hyperplane, reset the in-hyperplane transform
final Plane oPlane = (Plane) original;
final Plane tPlane = (Plane) transformed;
final Vector3D p00 = oPlane.getOrigin();
final Vector3D p10 = oPlane.toSpace(new Vector2D(1.0, 0.0));
final Vector3D p01 = oPlane.toSpace(new Vector2D(0.0, 1.0));
final Vector2D tP00 = tPlane.toSubSpace(apply(p00));
final Vector2D tP10 = tPlane.toSubSpace(apply(p10));
final Vector2D tP01 = tPlane.toSubSpace(apply(p01));
final AffineTransform at =
new AffineTransform(tP10.getX() - tP00.getX(), tP10.getY() - tP00.getY(),
tP01.getX() - tP00.getX(), tP01.getY() - tP00.getY(),
tP00.getX(), tP00.getY());
cachedOriginal = (Plane) original;
cachedTransform = org.apache.commons.math3.geometry.euclidean.twod.Line.getTransform(at);
}
return ((SubLine) sub).applyTransform(cachedTransform);
}
Example #28
| Source File: PolyhedronsSet.java From astor with GNU General Public License v2.0 | 6 votes |
|
/** {@inheritDoc} */
public SubHyperplane<Euclidean2D> apply(final SubHyperplane<Euclidean2D> sub,
final Hyperplane<Euclidean3D> original,
final Hyperplane<Euclidean3D> transformed) {
if (original != cachedOriginal) {
// we have changed hyperplane, reset the in-hyperplane transform
final Plane oPlane = (Plane) original;
final Plane tPlane = (Plane) transformed;
final Vector3D p00 = oPlane.getOrigin();
final Vector3D p10 = oPlane.toSpace(new Vector2D(1.0, 0.0));
final Vector3D p01 = oPlane.toSpace(new Vector2D(0.0, 1.0));
final Vector2D tP00 = tPlane.toSubSpace(apply(p00));
final Vector2D tP10 = tPlane.toSubSpace(apply(p10));
final Vector2D tP01 = tPlane.toSubSpace(apply(p01));
final AffineTransform at =
new AffineTransform(tP10.getX() - tP00.getX(), tP10.getY() - tP00.getY(),
tP01.getX() - tP00.getX(), tP01.getY() - tP00.getY(),
tP00.getX(), tP00.getY());
cachedOriginal = (Plane) original;
cachedTransform = org.apache.commons.math3.geometry.euclidean.twod.Line.getTransform(at);
}
return ((SubLine) sub).applyTransform(cachedTransform);
}
Example #29
| Source File: WelzlEncloser2DTest.java From astor with GNU General Public License v2.0 | 5 votes |
|
@Test
public void testNoPoints() {
DiskGenerator generator = new DiskGenerator();
WelzlEncloser<Euclidean2D, Vector2D> encloser =
new WelzlEncloser<Euclidean2D, Vector2D>(1.0e-10, generator);
EnclosingBall<Euclidean2D, Vector2D> ball = encloser.enclose(new ArrayList<Vector2D>());
Assert.assertTrue(ball.getRadius() < 0);
}
Example #30
| Source File: ConvexHull2D.java From astor with GNU General Public License v2.0 | 5 votes |
|
/** {@inheritDoc} */
public Region<Euclidean2D> createRegion() throws InsufficientDataException {
if (vertices.length < 3) {
throw new InsufficientDataException();
}
final RegionFactory<Euclidean2D> factory = new RegionFactory<Euclidean2D>();
final Segment[] segments = retrieveLineSegments();
final Line[] lineArray = new Line[segments.length];
for (int i = 0; i < segments.length; i++) {
lineArray[i] = segments[i].getLine();
}
return factory.buildConvex(lineArray);
}
