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/**
* Histogram.java
*
* Copyright (c) 2013-2016, F(X)yz
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of F(X)yz, any associated website, nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL F(X)yz BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.fxyz3d.shapes.composites;
import java.util.ArrayList;
import javafx.scene.AmbientLight;
import javafx.scene.DepthTest;
import javafx.scene.Group;
import javafx.scene.Node;
import javafx.scene.paint.Color;
import javafx.scene.paint.PhongMaterial;
import javafx.scene.shape.Box;
import javafx.scene.shape.CullFace;
import javafx.scene.shape.Cylinder;
import javafx.scene.shape.DrawMode;
/**
*
* @author Sean
*/
public class Histogram extends Group {
private ArrayList xAxisData = new ArrayList<>();
private ArrayList yAxisData = new ArrayList<>();
private ArrayList zAxisData = new ArrayList<>();
public Group histogramDataGroup = new Group();
public AmbientLight selfLight = new AmbientLight(Color.WHITE);
public double nodeRadius = 1;
private double axesSize = 1000;
private boolean normalized = false;
public boolean selfLightEnabled = true;
public enum NodeType {
CYLINDER, CUBE
};
private NodeType defaultNodeType = NodeType.CUBE;
public Histogram(boolean selfLit) {
selfLightEnabled = selfLit;
init();
}
public Histogram(double axesSize, double nodeRadius, boolean selfLit) {
selfLightEnabled = selfLit;
this.axesSize = axesSize;
this.nodeRadius = nodeRadius;
init();
}
private void init() {
getChildren().add(histogramDataGroup);
if (selfLightEnabled) {
getChildren().add(selfLight);
}
setDepthTest(DepthTest.ENABLE);
}
public void setHeightData(float[][] arrayY, int barSize, int spacing,
Color color, boolean ambient, boolean fill) {
histogramDataGroup.getChildren().clear();
PhongMaterial phong = new PhongMaterial();
phong.setSpecularColor(color);
phong.setDiffuseColor(color);
float min = arrayY[0][0], max = arrayY[0][0];
// Find min and max's for color gradient
for (int x = 0; x < arrayY.length; x++) {
for (int z = 0; z < arrayY[0].length; z++) {
if (arrayY[x][z] < min) {
min = arrayY[x][z];
}
if (arrayY[x][z] > max) {
max = arrayY[x][z];
}
}
}
float range = max - min; //
// Generate Bars
for (int x = 0; x < arrayY.length; x++) {
for (int z = 0; z < arrayY[0].length; z++) {
double ySize = arrayY[x][z];
if (ySize < 0) {
ySize *= -1;
}
Node bar = createDefaultNode(barSize, ySize);
bar.setTranslateX(x * spacing);
bar.setTranslateY(-arrayY[x][z]);
bar.setTranslateZ(z * spacing);
//Apply normalized color scale
double normalizedColor = (arrayY[x][z] - min) / range;
if (arrayY[x][z] < range / 2) //if it is in the lower half of the range
{
phong = new PhongMaterial(new Color(0.25, 0, normalizedColor, 1));
} else //if it is in the upper half of the range
{
phong = new PhongMaterial(new Color(normalizedColor, 0, 0.25, 1));
}
switch (getDefaultNodeType()) {
case CYLINDER: {
((Cylinder) bar).setMaterial(phong);
((Cylinder) bar).setCullFace(CullFace.BACK);
if (fill) {
((Cylinder) bar).setDrawMode(DrawMode.FILL);
} else {
((Cylinder) bar).setDrawMode(DrawMode.LINE); //show lines only by default
}
break;
}
case CUBE:
default: {
((Box) bar).setMaterial(phong);
((Box) bar).setCullFace(CullFace.BACK);
if (fill) {
((Box) bar).setDrawMode(DrawMode.FILL);
} else {
((Box) bar).setDrawMode(DrawMode.LINE); //show lines only by default
}
}
}
if (ambient) {
AmbientLight light = new AmbientLight(color);
light.getScope().add(bar);
histogramDataGroup.getChildren().add(light);
}
histogramDataGroup.getChildren().add(bar);
}
}
}
private Node createDefaultNode(double barWidth, double barHeight) {
switch (defaultNodeType) {
case CYLINDER:
return new Cylinder(barWidth / 2, barHeight);
case CUBE:
return new Box(barWidth, barHeight, barWidth);
default:
return new Box(barWidth, barHeight, barWidth);
}
}
/**
* @return the defaultNodeType
*/
public Histogram.NodeType getDefaultNodeType() {
return defaultNodeType;
}
/**
* @param defaultNodeType the defaultNodeType to set
*/
public void setDefaultNodeType(Histogram.NodeType defaultNodeType) {
this.defaultNodeType = defaultNodeType;
}
}
