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NaiveDoubleMesh.java
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NaiveDoubleMesh.java
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/*-
* #%L
* 3D mesh structures for ImageJ.
* %%
* Copyright (C) 2016 - 2024 University of Idaho, Royal Veterinary College, and
* Board of Regents of the University of Wisconsin-Madison.
* %%
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. 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.
*
* 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 THE COPYRIGHT HOLDERS OR CONTRIBUTORS 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.
* #L%
*/
package net.imagej.mesh.naive;
import net.imagej.mesh.Mesh;
import org.scijava.util.DoubleArray;
import org.scijava.util.IntArray;
public class NaiveDoubleMesh implements Mesh {
private final Vertices vertices;
private final Triangles triangles;
public NaiveDoubleMesh() {
vertices = new Vertices();
triangles = new Triangles();
}
@Override
public Vertices vertices() {
return vertices;
}
@Override
public Triangles triangles() {
return triangles;
}
// -- Inner classes --
public class Vertices implements net.imagej.mesh.Vertices {
private final DoubleArray xs, ys, zs;
private final DoubleArray nxs, nys, nzs;
private final DoubleArray us, vs;
public Vertices() {
xs = new DoubleArray();
ys = new DoubleArray();
zs = new DoubleArray();
nxs = new DoubleArray();
nys = new DoubleArray();
nzs = new DoubleArray();
us = new DoubleArray();
vs = new DoubleArray();
}
@Override
public Mesh mesh() {
return NaiveDoubleMesh.this;
}
@Override
public long size() {
return xs.size();
}
@Override
public double x(long vIndex) {
return xs.get(safeIndex(vIndex));
}
@Override
public double y(long vIndex) {
return ys.get(safeIndex(vIndex));
}
@Override
public double z(long vIndex) {
return zs.get(safeIndex(vIndex));
}
@Override
public double nx(long vIndex) {
return nxs.get(safeIndex(vIndex));
}
@Override
public double ny(long vIndex) {
return nys.get(safeIndex(vIndex));
}
@Override
public double nz(long vIndex) {
return nzs.get(safeIndex(vIndex));
}
@Override
public double u(long vIndex) {
return us.get(safeIndex(vIndex));
}
@Override
public double v(long vIndex) {
return vs.get(safeIndex(vIndex));
}
@Override
public long add(double x, double y, double z, double nx, double ny, double nz,
double u, double v)
{
final int index = xs.size();
xs.add(x);
ys.add(y);
zs.add(z);
nxs.add(nx);
nys.add(ny);
nzs.add(nz);
us.add(u);
vs.add(v);
return index;
}
@Override
public void set(long vIndex, double x, double y, double z, double nx, double ny,
double nz, double u, double v)
{
final int index = safeIndex(vIndex);
xs.set(index, x);
ys.set(index, y);
zs.set(index, z);
nxs.set(index, nx);
nys.set(index, ny);
nzs.set(index, nz);
us.set(index, u);
vs.set(index, v);
}
@Override
public void setPosition(final long vIndex, final double x,
final double y, final double z)
{
final int index = safeIndex(vIndex);
xs.set(index, x);
ys.set(index, y);
zs.set(index, z);
}
@Override
public void setNormal(final long vIndex, final double nx,
final double ny, final double nz)
{
final int index = safeIndex(vIndex);
nxs.set(index, nx);
nys.set(index, ny);
nzs.set(index, nz);
}
@Override
public void setTexture(final long vIndex, final double u,
final double v)
{
final int index = safeIndex(vIndex);
us.set(index, u);
vs.set(index, v);
}
private int safeIndex(final long index) {
if (index > Integer.MAX_VALUE) {
throw new IndexOutOfBoundsException("Index too large: " + index);
}
return (int) index;
}
@Override
public float xf(long vIndex) {
return (float) x(vIndex);
}
@Override
public float yf(long vIndex) {
return (float) y(vIndex);
}
@Override
public float zf(long vIndex) {
return (float) z(vIndex);
}
@Override
public float nxf(long vIndex) {
return (float) nx(vIndex);
}
@Override
public float nyf(long vIndex) {
return (float) ny(vIndex);
}
@Override
public float nzf(long vIndex) {
return (float) nz(vIndex);
}
@Override
public float uf(long vIndex) {
return (float) u(vIndex);
}
@Override
public float vf(long vIndex) {
return (float) v(vIndex);
}
@Override
public long addf(float x, float y, float z, float nx, float ny, float nz,
float u, float v)
{
return add(x, y, z, nx, ny, nz, u, v);
}
@Override
public void setf(long vIndex, float x, float y, float z, float nx, float ny,
float nz, float u, float v)
{
set(vIndex, x, y, z, nx, ny, nz, u, v);
}
@Override
public void setPositionf(final long vIndex, final float x,
final float y, final float z)
{
setPosition(vIndex, x, y, z);
}
@Override
public void setNormalf(final long vIndex, final float nx,
final float ny, final float nz)
{
setNormal(vIndex, nx, ny, nz);
}
@Override
public void setTexturef(final long vIndex, final float u, final float v)
{
setTexture(vIndex, u, v);
}
}
public class Triangles implements net.imagej.mesh.Triangles {
private final IntArray v0s, v1s, v2s;
private final DoubleArray nxs, nys, nzs;
public Triangles() {
v0s = new IntArray();
v1s = new IntArray();
v2s = new IntArray();
nxs = new DoubleArray();
nys = new DoubleArray();
nzs = new DoubleArray();
}
@Override
public Mesh mesh() {
return NaiveDoubleMesh.this;
}
@Override
public long size() {
return v1s.size();
}
@Override
public long vertex0(long tIndex) {
return v0s.get(safeIndex(tIndex));
}
@Override
public long vertex1(long tIndex) {
return v1s.get(safeIndex(tIndex));
}
@Override
public long vertex2(long tIndex) {
return v2s.get(safeIndex(tIndex));
}
@Override
public double nx(long tIndex) {
return nxs.get(safeIndex(tIndex));
}
@Override
public double ny(long tIndex) {
return nys.get(safeIndex(tIndex));
}
@Override
public double nz(long tIndex) {
return nzs.get(safeIndex(tIndex));
}
@Override
public long add(long v0, long v1, long v2, double nx, double ny, double nz) {
final int index = v0s.size();
v0s.add(safeIndex(v0));
v1s.add(safeIndex(v1));
v2s.add(safeIndex(v2));
nxs.add(nx);
nys.add(ny);
nzs.add(nz);
return index;
}
private int safeIndex(final long index) {
if (index > Integer.MAX_VALUE) {
throw new IndexOutOfBoundsException("Index too large: " + index);
}
return (int) index;
}
@Override
public float nxf(long tIndex) {
return (float) nx(tIndex);
}
@Override
public float nyf(long tIndex) {
return (float) ny(tIndex);
}
@Override
public float nzf(long tIndex) {
return (float) nz(tIndex);
}
@Override
public long addf(long v0, long v1, long v2, float nx, float ny, float nz) {
return add(v0, v1, v2, nx, ny, nz);
}
}
}