PlyBounder.java Source code

Introduction

Here is the source code for PlyBounder.java

Source

/* PlyBounder
 * (c) Gerard de Vos, ASL licensed
 *
 *PlyBounder reads .ply files, creates a matching set based
 * on a boundingBox and writes this set to a new .ply file
 *
 * ArgumentParser
 * --plyPath=inputdirectory
 * --boundingBox=WKTstring
 * --outputPlyFile=outputfilename
 *
 * build:
 *  CLASSPATH=/usr/share/java/commons-cli.jar:/usr/share/java/commons-io.jar:. \
 *   javac PlyBounder.java
 *
 * run:
 * CLASSPATH=/usr/share/java/commons-cli.jar:/usr/share/java/commons-io.jar:.    java PlyBounder
 * -plyPath test_data
 * -boundingbox "POLYGON ((30 10, 40 40, 20 40, 10 20, 30 10))"
 * -outputPlyFile alltogether.ply
 *
 */

import java.io.*; // deprecated?
import java.util.List;

import org.apache.commons.cli.*;
import org.apache.commons.io.*;

public class PlyBounder {

    public static void main(String[] args) {

        // Get the commandline arguments
        Options options = new Options();
        // Available options
        Option plyPath = OptionBuilder.withArgName("dir").hasArg()
                .withDescription("directory containing input .ply files").create("plyPath");
        Option boundingbox = OptionBuilder.withArgName("string").hasArg()
                .withDescription("bounding box in WKT notation").create("boundingbox");
        Option outputPlyFile = OptionBuilder.withArgName("file").hasArg().withDescription("output PLY file name")
                .create("outputPlyFile");
        options.addOption(plyPath);
        options.addOption(boundingbox);
        options.addOption(outputPlyFile);

        String plydir = ".";
        String boundingboxstr = "";
        String outputfilename = "";

        CommandLineParser parser = new DefaultParser();
        try {
            // parse the command line arguments
            CommandLine line = parser.parse(options, args);

            boundingboxstr = line.getOptionValue("boundingbox");
            outputfilename = line.getOptionValue("outputPlyFile");

            if (line.hasOption("plyPath")) {
                // print the value of block-size
                plydir = line.getOptionValue("plyPath");
                System.out.println("Using plyPath=" + plydir);
            } else {
                HelpFormatter formatter = new HelpFormatter();
                formatter.printHelp("PlyBounder", options);
            }
            //System.out.println( "plyPath=" + line.getOptionValue( "plyPath" ) );
        } catch (ParseException exp) {
            System.err.println("Error getting arguments: " + exp.getMessage());
        }

        // input directory
        // Get list of files
        File dir = new File(plydir);

        //System.out.println("Getting all files in " + dir.getCanonicalPath());
        List<File> files = (List<File>) FileUtils.listFiles(dir, new String[] { "ply", "PLY" }, false);
        for (File file : files) {
            try {
                System.out.println("file=" + file.getCanonicalPath());
            } catch (IOException e) {
                e.printStackTrace();
            }
        }

        String sometempfile = "magweg.wkt";
        String s = null;

        // Loop through .ply files in directory
        for (File file : files) {
            try {
                String cmdl[] = { "./ply-tool.py", "intersection", file.getCanonicalPath(), boundingboxstr,
                        sometempfile };
                //System.out.println("Running: " + Arrays.toString(cmdl));
                Process p = Runtime.getRuntime().exec(cmdl);

                BufferedReader stdInput = new BufferedReader(new InputStreamReader(p.getInputStream()));

                BufferedReader stdError = new BufferedReader(new InputStreamReader(p.getErrorStream()));

                // read the output from the command
                System.out.println("cmdout:\n");
                while ((s = stdInput.readLine()) != null) {
                    System.out.println(s);
                }

                // read any errors from the attempted command
                System.out.println("cmderr:\n");
                while ((s = stdError.readLine()) != null) {
                    System.out.println(s);
                }
            } catch (IOException e) {
                e.printStackTrace();
            }
        }

        // Write new .ply file
        //ply-tool write setfile outputPlyFile
        try {
            String cmdl = "./ply-tool.py write " + sometempfile + " " + outputfilename;
            System.out.println("Running: " + cmdl);
            Process p = Runtime.getRuntime().exec(cmdl);

            BufferedReader stdInput = new BufferedReader(new InputStreamReader(p.getInputStream()));

            BufferedReader stdError = new BufferedReader(new InputStreamReader(p.getErrorStream()));

            // read the output from the command
            System.out.println("cmdout:\n");
            while ((s = stdInput.readLine()) != null) {
                System.out.println(s);
            }

            // read any errors from the attempted command
            System.out.println("cmderr:\n");
            while ((s = stdError.readLine()) != null) {
                System.out.println(s);
            }
        } catch (IOException e) {
            e.printStackTrace();
        }

        // Done
        System.out.println("Done");
    }

}