java实现平面图拼接成3d_java3d生成简单的点线图
时间: 2023-10-04 07:08:29 浏览: 155
要实现平面图拼接成3D模型,可以考虑使用Java3D库。以下是一个简单的示例代码,可以生成一个简单的点线图:
```java
import javax.media.j3d.*;
import javax.vecmath.*;
public class Simple3D {
public static void main(String[] args) {
SimpleUniverse universe = new SimpleUniverse();
BranchGroup group = new BranchGroup();
// 创建点对象
PointArray points = new PointArray(4, PointArray.COORDINATES);
points.setCoordinate(0, new Point3f(0.0f, 0.0f, 0.0f));
points.setCoordinate(1, new Point3f(1.0f, 0.0f, 0.0f));
points.setCoordinate(2, new Point3f(1.0f, 1.0f, 0.0f));
points.setCoordinate(3, new Point3f(0.0f, 1.0f, 0.0f));
// 创建线对象
LineArray lines = new LineArray(8, LineArray.COORDINATES);
lines.setCoordinate(0, new Point3f(0.0f, 0.0f, 0.0f));
lines.setCoordinate(1, new Point3f(1.0f, 0.0f, 0.0f));
lines.setCoordinate(2, new Point3f(1.0f, 0.0f, 0.0f));
lines.setCoordinate(3, new Point3f(1.0f, 1.0f, 0.0f));
lines.setCoordinate(4, new Point3f(1.0f, 1.0f, 0.0f));
lines.setCoordinate(5, new Point3f(0.0f, 1.0f, 0.0f));
lines.setCoordinate(6, new Point3f(0.0f, 1.0f, 0.0f));
lines.setCoordinate(7, new Point3f(0.0f, 0.0f, 0.0f));
// 创建点和线的外观
PointAttributes pointAttributes = new PointAttributes();
pointAttributes.setPointSize(5.0f);
LineAttributes lineAttributes = new LineAttributes();
lineAttributes.setLineWidth(2.0f);
Appearance appearance = new Appearance();
appearance.setPointAttributes(pointAttributes);
appearance.setLineAttributes(lineAttributes);
// 创建点和线的形状对象
Shape3D pointShape = new Shape3D(points, appearance);
Shape3D lineShape = new Shape3D(lines, appearance);
// 将点和线形状添加到场景中
group.addChild(pointShape);
group.addChild(lineShape);
// 将场景添加到宇宙中
universe.addBranchGraph(group);
}
}
```
这段代码创建了一个包含4个点和4条线的简单图形,并将它们添加到3D场景中。你可以根据自己的需求修改点和线的坐标和外观来创建自己的模型。