程序:

#include<iostream>
#include<pcl/io/io.h>
#include<pcl/io/pcd_io.h>
#include<pcl/io/ply_io.h>
#include<pcl/visualization/cloud_viewer.h>
int user_data;
using std::cout;


void viewerOneOff(pcl::visualization::PCLVisualizer& viewer) {
	viewer.setBackgroundColor(1.0, 0.5, 1.0);   //设置背景颜色
}

int main() {
	pcl::PointCloud<pcl::PointXYZ>::Ptr cloud(new pcl::PointCloud<pcl::PointXYZ>);

	char strfilepath[256] = "rabbit.pcd";
	if (-1 == pcl::io::loadPCDFile(strfilepath, *cloud)) {
		cout << "error input!" << endl;
		return -1;
	}

	cout << cloud->points.size() << endl;
	pcl::visualization::CloudViewer viewer("Cloud Viewer");   //创建viewer对象

	viewer.showCloud(cloud);
	viewer.runOnVisualizationThreadOnce(viewerOneOff);
	system("pause");
	return 0;
}

 运行GIF:

PCD文件         

链接:https://pan.baidu.com/s/108Wmq4t0Gx9SVLq90Bd1yw 
提取码:r8za

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