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-rw-r--r--src/de/lmu/ifi/dbs/elki/visualization/svg/SVGHyperSphere.java58
1 files changed, 24 insertions, 34 deletions
diff --git a/src/de/lmu/ifi/dbs/elki/visualization/svg/SVGHyperSphere.java b/src/de/lmu/ifi/dbs/elki/visualization/svg/SVGHyperSphere.java
index 33daa56b..14acc5c3 100644
--- a/src/de/lmu/ifi/dbs/elki/visualization/svg/SVGHyperSphere.java
+++ b/src/de/lmu/ifi/dbs/elki/visualization/svg/SVGHyperSphere.java
@@ -4,7 +4,7 @@ package de.lmu.ifi.dbs.elki.visualization.svg;
This file is part of ELKI:
Environment for Developing KDD-Applications Supported by Index-Structures
- Copyright (C) 2012
+ Copyright (C) 2013
Ludwig-Maximilians-Universität München
Lehr- und Forschungseinheit für Datenbanksysteme
ELKI Development Team
@@ -50,28 +50,26 @@ public class SVGHyperSphere {
/**
* Wireframe "manhattan" hypersphere
*
- * @param <D> radius
* @param svgp SVG Plot
* @param proj Visualization projection
* @param mid mean vector
- * @param rad radius
+ * @param radius radius
* @return path element
*/
- public static <D extends NumberDistance<?, ?>> Element drawManhattan(SVGPlot svgp, Projection2D proj, NumberVector<?> mid, D rad) {
- final double radius = rad.doubleValue();
+ public static Element drawManhattan(SVGPlot svgp, Projection2D proj, NumberVector<?> mid, double radius) {
final double[] v_mid = mid.getColumnVector().getArrayRef(); // a copy
final BitSet dims = proj.getVisibleDimensions2D();
SVGPath path = new SVGPath();
- for(int dim = dims.nextSetBit(0); dim >= 0; dim = dims.nextSetBit(dim + 1)) {
+ for (int dim = dims.nextSetBit(0); dim >= 0; dim = dims.nextSetBit(dim + 1)) {
v_mid[dim] += radius;
double[] p1 = proj.fastProjectDataToRenderSpace(v_mid);
v_mid[dim] -= radius;
v_mid[dim] -= radius;
double[] p2 = proj.fastProjectDataToRenderSpace(v_mid);
v_mid[dim] += radius;
- for(int dim2 = dims.nextSetBit(0); dim2 >= 0; dim2 = dims.nextSetBit(dim2 + 1)) {
- if(dim < dim2) {
+ for (int dim2 = dims.nextSetBit(0); dim2 >= 0; dim2 = dims.nextSetBit(dim2 + 1)) {
+ if (dim < dim2) {
v_mid[dim2] += radius;
double[] p3 = proj.fastProjectDataToRenderSpace(v_mid);
v_mid[dim2] -= radius;
@@ -97,20 +95,18 @@ public class SVGHyperSphere {
/**
* Wireframe "euclidean" hypersphere
*
- * @param <D> radius
* @param svgp SVG Plot
* @param proj Visualization projection
* @param mid mean vector
- * @param rad radius
+ * @param radius radius
* @return path element
*/
- public static <D extends NumberDistance<?, ?>> Element drawEuclidean(SVGPlot svgp, Projection2D proj, NumberVector<?> mid, D rad) {
- final double radius = rad.doubleValue();
+ public static Element drawEuclidean(SVGPlot svgp, Projection2D proj, NumberVector<?> mid, double radius) {
double[] v_mid = mid.getColumnVector().getArrayRef(); // a copy
BitSet dims = proj.getVisibleDimensions2D();
SVGPath path = new SVGPath();
- for(int dim = dims.nextSetBit(0); dim >= 0; dim = dims.nextSetBit(dim + 1)) {
+ for (int dim = dims.nextSetBit(0); dim >= 0; dim = dims.nextSetBit(dim + 1)) {
v_mid[dim] += radius;
double[] p1 = proj.fastProjectDataToRenderSpace(v_mid);
v_mid[dim] -= radius;
@@ -121,8 +117,8 @@ public class SVGHyperSphere {
double[] dt1 = new double[v_mid.length];
dt1[dim] = radius;
double[] d1 = proj.fastProjectRelativeDataToRenderSpace(dt1);
- for(int dim2 = dims.nextSetBit(0); dim2 >= 0; dim2 = dims.nextSetBit(dim2 + 1)) {
- if(dim < dim2) {
+ for (int dim2 = dims.nextSetBit(0); dim2 >= 0; dim2 = dims.nextSetBit(dim2 + 1)) {
+ if (dim < dim2) {
v_mid[dim2] += radius;
double[] p3 = proj.fastProjectDataToRenderSpace(v_mid);
v_mid[dim2] -= radius;
@@ -149,38 +145,34 @@ public class SVGHyperSphere {
/**
* Wireframe "Lp" hypersphere
*
- * @param <D> radius
* @param svgp SVG Plot
* @param proj Visualization projection
* @param mid mean vector
- * @param rad radius
+ * @param radius radius
* @param p L_p value
* @return path element
*/
- public static <D extends NumberDistance<?, ?>> Element drawLp(SVGPlot svgp, Projection2D proj, NumberVector<?> mid, D rad, double p) {
- final double radius = rad.doubleValue();
+ public static Element drawLp(SVGPlot svgp, Projection2D proj, NumberVector<?> mid, double radius, double p) {
final double[] v_mid = mid.getColumnVector().getArrayRef();
final BitSet dims = proj.getVisibleDimensions2D();
final double kappax, kappay;
- if(p > 1.) {
+ if (p > 1.) {
final double kappal = Math.pow(0.5, 1. / p);
kappax = Math.min(1.3, 4. * (2 * kappal - 1) / 3.);
kappay = 0;
- }
- else if(p < 1.) {
+ } else if (p < 1.) {
final double kappal = 1 - Math.pow(0.5, 1. / p);
kappax = 0;
kappay = Math.min(1.3, 4. * (2 * kappal - 1) / 3.);
- }
- else {
+ } else {
kappax = 0;
kappay = 0;
}
// LoggingUtil.warning("kappax: " + kappax + " kappay: " + kappay);
SVGPath path = new SVGPath();
- for(int dim = dims.nextSetBit(0); dim >= 0; dim = dims.nextSetBit(dim + 1)) {
+ for (int dim = dims.nextSetBit(0); dim >= 0; dim = dims.nextSetBit(dim + 1)) {
v_mid[dim] += radius;
double[] pvp0 = proj.fastProjectDataToRenderSpace(v_mid);
v_mid[dim] -= radius;
@@ -191,8 +183,8 @@ public class SVGHyperSphere {
double[] tvd0 = new double[v_mid.length];
tvd0[dim] = radius;
double[] vd0 = proj.fastProjectRelativeDataToRenderSpace(tvd0);
- for(int dim2 = dims.nextSetBit(0); dim2 >= 0; dim2 = dims.nextSetBit(dim2 + 1)) {
- if(dim < dim2) {
+ for (int dim2 = dims.nextSetBit(0); dim2 >= 0; dim2 = dims.nextSetBit(dim2 + 1)) {
+ if (dim < dim2) {
v_mid[dim2] += radius;
double[] pv0p = proj.fastProjectDataToRenderSpace(v_mid);
v_mid[dim2] -= radius;
@@ -204,7 +196,7 @@ public class SVGHyperSphere {
tv0d[dim2] = radius;
double[] v0d = proj.fastProjectRelativeDataToRenderSpace(tv0d);
- if(p > 1) {
+ if (p > 1) {
// p > 1
path.moveTo(pvp0[0], pvp0[1]);
// support points, p0 to 0p
@@ -232,8 +224,7 @@ public class SVGHyperSphere {
final double s_pm2_y = pvp0[1] - v0d[1] * kappax;
path.cubicTo(s_pm1_x, s_pm1_y, s_pm2_x, s_pm2_y, pvp0[0], pvp0[1]);
path.close();
- }
- else if(p < 1) {
+ } else if (p < 1) {
// p < 1
// support points, p0 to 0p
final double s_vp0_x = pvp0[0] - vd0[0] * kappay;
@@ -251,8 +242,7 @@ public class SVGHyperSphere {
path.cubicTo(s_vm0_x, s_vm0_y, s_v0m_x, s_v0m_y, pv0m[0], pv0m[1]);
path.cubicTo(s_v0m_x, s_v0m_y, s_vp0_x, s_vp0_y, pvp0[0], pvp0[1]);
path.close();
- }
- else {
+ } else {
// p == 1 - Manhattan
path.moveTo(pvp0[0], pvp0[1]);
path.lineTo(pv0p[0], pv0p[1]);
@@ -283,7 +273,7 @@ public class SVGHyperSphere {
final BitSet dims = proj.getVisibleDimensions2D();
SVGPath path = new SVGPath();
- for(int dim = dims.nextSetBit(0); dim >= 0; dim = dims.nextSetBit(dim + 1)) {
+ for (int dim = dims.nextSetBit(0); dim >= 0; dim = dims.nextSetBit(dim + 1)) {
v_mid[dim] += radius;
double[] p1 = proj.fastProjectDataToRenderSpace(v_mid);
v_mid[dim] -= radius;
@@ -296,4 +286,4 @@ public class SVGHyperSphere {
}
return path.makeElement(svgp);
}
-} \ No newline at end of file
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-21 03:46:52 +0000