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com.supermap.ar.areffect.utils

Class VideoDatasetVectorHelper

  • java.lang.Object
    • com.supermap.ar.areffect.utils.VideoDatasetVectorHelper

  • public class VideoDatasetVectorHelper
extends java.lang.Object
    Video data set Assistant

    For converting CSV + MP4 into video data set

    SampleCode:
         // Create instance, parameters (context, Datasource)
         VideoDatasetVectorHelper videoDatasetVectorHelper = new VideoDatasetVectorHelper(this, datasources.get(0));
         try {
             
             videoDatasetVectorHelper.readVideo(SD_CARD+"/UAVSurvey/Common/2022_05_16_15_51_51.mp4");
         } catch (FileNotFoundException e) {
             e.printStackTrace();
         }
         try {
             
             videoDatasetVectorHelper.readCsv(SD_CARD+"/UAVSurvey/Common/2022_05_16_15_51_51.csv");
         } catch (IOException e) {
             e.printStackTrace();
         }
         
         DatasetVector datasetVector = videoDatasetVectorHelper.createDatasetVector("NewVideoDatasetVector");

    • Constructor Summary

      Constructors 
      Constructor and Description
      VideoDatasetVectorHelper(android.content.Context context, Datasource ds)
      The constructor The fields in CSV are /UniqueIdentifier/UnixTimeStamp/SensorLongitude/SensorLatitude /PlatformHeight/PlatformYaw/PlatformPitch/PlatformRoll /VerticalFOV/HorizontalFOV/FocalLength35mmEq /CameraRelativeYaw/CameraRelativePitch/CameraRelativeRoll/CameraRelativeHeight /Yaw/Pitch/Roll/Date/
      VideoDatasetVectorHelper(android.content.Context context, Datasource ds, UAVCsvReader.OnReadUpdateListener onReadUpdateListener)
      Constructor The read CSV does not require the order of the fields public void onUpdate(UAVRecordParameter currentPara, String[] value) { try { currentPara.setUniqueIdentifier(String.valueOf(index++)); currentPara.setUnixTimeStamp(Long.parseLong(value[1])); //...

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method and Description
      java.lang.String convertToXmlStr(java.util.ArrayList<UAVRecordParameter> uavRecordParameters) 
      DatasetVector createDatasetVector(java.lang.String datasetVectorName)
      Create a video dataset set the width and height of the video
      DatasetVector createDatasetVector(java.lang.String datasetVectorName, java.lang.String videoName)
      Create a video dataset
      void readCsv(java.lang.String sdcardPath)
      Read the CSV file from the SD card path
      void readVideo(java.lang.String sdCardPath)
      Set the width and height of the video

      • Methods inherited from class java.lang.Object

        equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Constructor Detail

      • VideoDatasetVectorHelper

        public VideoDatasetVectorHelper(android.content.Context context,
                                Datasource ds)
        The constructor 
             The fields in CSV are
     /UniqueIdentifier/UnixTimeStamp/SensorLongitude/SensorLatitude
     /PlatformHeight/PlatformYaw/PlatformPitch/PlatformRoll
     /VerticalFOV/HorizontalFOV/FocalLength35mmEq
     /CameraRelativeYaw/CameraRelativePitch/CameraRelativeRoll/CameraRelativeHeight
     /Yaw/Pitch/Roll/Date/
        Parameters:
        context -
        ds -

      • VideoDatasetVectorHelper

        public VideoDatasetVectorHelper(android.content.Context context,
                                Datasource ds,
                                UAVCsvReader.OnReadUpdateListener onReadUpdateListener)
        Constructor 
             The read CSV does not require the order of the fields
     public void onUpdate(UAVRecordParameter currentPara, String[] value) {
         try {
             currentPara.setUniqueIdentifier(String.valueOf(index++));
             currentPara.setUnixTimeStamp(Long.parseLong(value[1]));
             //...
             Date date = dateFormat.parse(value[18]);
             currentPara.setDateTime(date);
         } catch (Exception e) {
            Log.e(VideoDatasetVectorHelper.class.getSimpleName(), "onUpdate: ", e);
         }
        Parameters:
        context -
        ds -
        onReadUpdateListener -

    • Method Detail

      • readCsv

        public void readCsv(java.lang.String sdcardPath)
             throws java.io.IOException
        Read the CSV file from the SD card path
        Parameters:
        sdcardPath -
        Throws:
        java.io.IOException

      • readVideo

        public void readVideo(java.lang.String sdCardPath)
               throws java.io.FileNotFoundException
        Set the width and height of the video
        Parameters:
        sdCardPath -
        Throws:
        java.io.FileNotFoundException

      • createDatasetVector

        public DatasetVector createDatasetVector(java.lang.String datasetVectorName)
        Create a video dataset set the width and height of the video
        Parameters:
        datasetVectorName -
        Returns:

      • createDatasetVector

        public DatasetVector createDatasetVector(java.lang.String datasetVectorName,
                                         java.lang.String videoName)
        Create a video dataset
        Parameters:
        datasetVectorName -
        videoName -
        Returns:

      • convertToXmlStr

        public java.lang.String convertToXmlStr(java.util.ArrayList<UAVRecordParameter> uavRecordParameters)
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