def dataBunch(readpath, outpath):

I'm sorry, as an AI language model, I don't have enough context to understand the specific requirements of your `dataBunch()` function. Please provide more information or code snippets to help me better understand the task at hand.

相关问题

import os import open3d as o3d import numpy as np import copy path="D:/data/Dynamo_Code/Revit_Model/Revit_Model/" #待读取的文件夹 path_list=os.listdir(path) for filename in path_list: importpath_name = os.path.join(path,filename) mesh = o3d.io.read_triangle_mesh(importpath_name) point_cloud = mesh.sample_points_uniformly(number_of_points=1000) outpath = "C:/Users/Hupan/Desktop/revit_model/revit_model/" outpath_name = os.path.join(outpath,filename) o3d.io.write_point_cloud(outpath_name , point_cloud) 以上代码是通过open3d库，批量将stl格式文件转化为pcd格式文件

你的代码看起来已经实现了使用Open3D库将STL格式文件转换为PCD格式文件的功能，只是需要一些修改来确保它可以正常工作。下面是修改后的代码：

import os
import open3d as o3d

path = "D:/data/Dynamo_Code/Revit_Model/Revit_Model/"  # 待读取的文件夹
path_list = os.listdir(path)

outpath = "C:/Users/Hupan/Desktop/revit_model/revit_model/"

for filename in path_list:
    importpath_name = os.path.join(path, filename)
    
    mesh = o3d.io.read_triangle_mesh(importpath_name)
    
    point_cloud = mesh.sample_points_uniformly(number_of_points=1000)
    
    file_name, file_extension = os.path.splitext(filename)
    outpath_name = os.path.join(outpath, file_name + ".pcd")
    
    o3d.io.write_point_cloud(outpath_name, point_cloud)

主要修改如下：

1. 将导入路径和导出路径的定义放在循环外部，避免每次循环都重新定义路径。
2. 使用 `os.path.splitext()` 函数来获取文件名和文件扩展名，以便在导出时将扩展名更改为 `.pcd`。
3. 修改导出路径的拼接方式，将新的文件名与导出路径合并。

请确保你已经正确安装了Open3D库，并且将路径替换为你自己的文件夹路径。这样，代码就能够按照你的需求将STL文件转换为PCD文件。

public class MarketShareDriver { public static void main(String[] args) throws Exception { Configuration conf = new Configuration(); Job job = Job.getInstance(conf); job.setJarByClass(MarketShareDriver.class); job.setMapperClass(MarketShareMapper.class); job.setReducerClass(MarketShareReducer.class); job.setMapOutputKeyClass(Text.class); job.setMapOutputValueClass(Text.class); job.setOutputKeyClass(Text.class); job.setOutputValueClass(Text.class); Path inPath = new Path("data/phone.txt"); FileInputFormat.setInputPaths(job,inPath); Path outPath = new Path("data/PhoneMarketShare"); FileSystem fs = outPath.getFileSystem(conf); if (fs.exists(outPath)){ fs.delete(outPath,true); } FileOutputFormat.setOutputPath(job,outPath); boolean b = job.waitForCompletion(true); System.exit(b ? 0 : 1); } } 这段代码怎么修改才能把数据也存到MySQL中

要将数据存储到MySQL中，需要在Mapper或Reducer中添加连接MySQL的代码，并将结果写入MySQL中。以下是一个简单的示例：

1. 添加MySQL连接信息

// 定义MySQL连接信息
String driver = "com.mysql.jdbc.Driver";
String url = "jdbc:mysql://localhost:3306/test";
String username = "root";
String password = "password";

// 注册JDBC驱动程序
Class.forName(driver);

// 获取数据库连接
Connection conn = DriverManager.getConnection(url, username, password);

// 创建Statement对象
Statement stmt = conn.createStatement();

2. 在Mapper或Reducer中将结果写入MySQL中

// 将结果写入MySQL中
while (values.hasNext()) {
    // 获取一条记录
    Text value = values.next();
    String[] fields = value.toString().split(",");

    // 插入数据
    String sql = "INSERT INTO PhoneMarketShare (brand, marketShare) VALUES ('" + fields[0] + "', '" + fields[1] + "')";
    stmt.executeUpdate(sql);
}

完整代码如下所示：

public class MarketShareDriver {
    public static void main(String[] args) throws Exception {
        Configuration conf = new Configuration();
        Job job = Job.getInstance(conf);
        job.setJarByClass(MarketShareDriver.class);
        job.setMapperClass(MarketShareMapper.class);
        job.setReducerClass(MarketShareReducer.class);
        job.setMapOutputKeyClass(Text.class);
        job.setMapOutputValueClass(Text.class);
        job.setOutputKeyClass(Text.class);
        job.setOutputValueClass(Text.class);
        Path inPath = new Path("data/phone.txt");
        FileInputFormat.setInputPaths(job,inPath);
        Path outPath = new Path("data/PhoneMarketShare");
        FileSystem fs = outPath.getFileSystem(conf);
        if (fs.exists(outPath)){
            fs.delete(outPath,true);
        }
        FileOutputFormat.setOutputPath(job,outPath);
        boolean b = job.waitForCompletion(true);

        // 将结果写入MySQL中
        if (b) {
            // 定义MySQL连接信息
            String driver = "com.mysql.jdbc.Driver";
            String url = "jdbc:mysql://localhost:3306/test";
            String username = "root";
            String password = "password";

            // 注册JDBC驱动程序
            Class.forName(driver);

            // 获取数据库连接
            Connection conn = DriverManager.getConnection(url, username, password);

            // 创建Statement对象
            Statement stmt = conn.createStatement();

            // 将结果写入MySQL中
            Iterator<OutputFormat> it = job.getOutputFormatClass().newInstance().getRecordWriter(null, job, null, null).asInstanceOf[FileOutputFormat<Text, Text>].getRecordWriter(job).asInstanceOf[SequenceFileRecordWriter[Text, Text]].getValues().iterator()
            while (it.hasNext()) {
                // 获取一条记录
                Text value = it.next();
                String[] fields = value.toString().split(",");

                // 插入数据
                String sql = "INSERT INTO PhoneMarketShare (brand, marketShare) VALUES ('" + fields[0] + "', '" + fields[1] + "')";
                stmt.executeUpdate(sql);
            }
        }

        System.exit(b ? 0 : 1);
    }
}

注意：以上代码仅作为示例，实际使用时需要根据实际情况进行修改和调整。