/** * Creates a new image by using img as the color image * * @param img an 8U1C or 8U3C image (8bit unsigned and 1 or 3 channels) */ public Image(IplImage img) { if (img.nChannels() != 1) { // color image this.color = img; this.gray = IplImage.create(color.cvSize(), IPL_DEPTH_8U, 1); cvCvtColor(color, gray, CV_BGR2GRAY); } else { // grayscale image this.color = img; this.gray = color; } this.img = gray.clone(); this.temp = gray.clone(); }
public boolean record(IplImage image, int pixelFormat) throws Exception { if (video_st == null) { throw new Exception( "No video output stream (Is imageWidth > 0 && imageHeight > 0 and has start() been called?)"); } int ret; if (image == null) { /* no more frame to compress. The codec has a latency of a few frames if using B frames, so we get the last frames by passing the same picture again */ } else { int width = image.width(); int height = image.height(); int step = image.widthStep(); BytePointer data = image.imageData(); if (pixelFormat == AV_PIX_FMT_NONE) { int depth = image.depth(); int channels = image.nChannels(); if ((depth == IPL_DEPTH_8U || depth == IPL_DEPTH_8S) && channels == 3) { pixelFormat = AV_PIX_FMT_BGR24; } else if ((depth == IPL_DEPTH_8U || depth == IPL_DEPTH_8S) && channels == 1) { pixelFormat = AV_PIX_FMT_GRAY8; } else if ((depth == IPL_DEPTH_16U || depth == IPL_DEPTH_16S) && channels == 1) { pixelFormat = AV_HAVE_BIGENDIAN() ? AV_PIX_FMT_GRAY16BE : AV_PIX_FMT_GRAY16LE; } else if ((depth == IPL_DEPTH_8U || depth == IPL_DEPTH_8S) && channels == 4) { pixelFormat = AV_PIX_FMT_RGBA; } else if ((depth == IPL_DEPTH_8U || depth == IPL_DEPTH_8S) && channels == 2) { pixelFormat = AV_PIX_FMT_NV21; // Android's camera capture format step = width; } else { throw new Exception( "Could not guess pixel format of image: depth=" + depth + ", channels=" + channels); } } if (video_c.pix_fmt() != pixelFormat || video_c.width() != width || video_c.height() != height) { /* convert to the codec pixel format if needed */ img_convert_ctx = sws_getCachedContext( img_convert_ctx, width, height, pixelFormat, video_c.width(), video_c.height(), video_c.pix_fmt(), SWS_BILINEAR, null, null, null); if (img_convert_ctx == null) { throw new Exception( "sws_getCachedContext() error: Cannot initialize the conversion context."); } avpicture_fill(tmp_picture, data, pixelFormat, width, height); avpicture_fill(picture, picture_buf, video_c.pix_fmt(), video_c.width(), video_c.height()); tmp_picture.linesize(0, step); sws_scale( img_convert_ctx, new PointerPointer(tmp_picture), tmp_picture.linesize(), 0, height, new PointerPointer(picture), picture.linesize()); } else { avpicture_fill(picture, data, pixelFormat, width, height); picture.linesize(0, step); } } if ((oformat.flags() & AVFMT_RAWPICTURE) != 0) { if (image == null) { return false; } /* raw video case. The API may change slightly in the future for that? */ av_init_packet(video_pkt); video_pkt.flags(video_pkt.flags() | AV_PKT_FLAG_KEY); video_pkt.stream_index(video_st.index()); video_pkt.data(new BytePointer(picture)); video_pkt.size(Loader.sizeof(AVPicture.class)); } else { /* encode the image */ av_init_packet(video_pkt); video_pkt.data(video_outbuf); video_pkt.size(video_outbuf_size); picture.quality(video_c.global_quality()); if ((ret = avcodec_encode_video2( video_c, video_pkt, image == null ? null : picture, got_video_packet)) < 0) { throw new Exception( "avcodec_encode_video2() error " + ret + ": Could not encode video packet."); } picture.pts(picture.pts() + 1); // magic required by libx264 /* if zero size, it means the image was buffered */ if (got_video_packet[0] != 0) { if (video_pkt.pts() != AV_NOPTS_VALUE) { video_pkt.pts(av_rescale_q(video_pkt.pts(), video_c.time_base(), video_st.time_base())); } if (video_pkt.dts() != AV_NOPTS_VALUE) { video_pkt.dts(av_rescale_q(video_pkt.dts(), video_c.time_base(), video_st.time_base())); } video_pkt.stream_index(video_st.index()); } else { return false; } } synchronized (oc) { /* write the compressed frame in the media file */ if (interleaved && audio_st != null) { if ((ret = av_interleaved_write_frame(oc, video_pkt)) < 0) { throw new Exception( "av_interleaved_write_frame() error " + ret + " while writing interleaved video frame."); } } else { if ((ret = av_write_frame(oc, video_pkt)) < 0) { throw new Exception("av_write_frame() error " + ret + " while writing video frame."); } } } return picture.key_frame() != 0; }
public static void main(String[] args) throws IOException, InterruptedException, IM4JavaException, PdfException { // is - is the inputstream of the pdf file System.out.println("inside grader"); // required debugging code Mongo m = new Mongo(); DB db = m.getDB("ecomm_database"); DBCollection coll = db.getCollection("testschemas"); ObjectMapper mapper = new ObjectMapper(); // String message = "4fda1af52f910cc6200000d3"; //test id, that i will have in the real version String message = "500bb8811a316fda2400003b"; // id of second test DBObject TestObject = coll.findOne(new BasicDBObject("_id", new ObjectId(message))); // the actual mongo query System.out.println("Test Object = " + TestObject); JsonNode rootNode = mapper.readValue(TestObject.toString().getBytes("UTF-8"), JsonNode.class); JsonNode TestAnswerSheet = rootNode.get("TestAnswerSheet"); // TestAnswerSheet JsonNode Questions = rootNode.get("Questions"); System.out.println("size of Questions = " + Questions.size()); int numofquestions = Questions.size(); System.out.println("size of answers = " + TestAnswerSheet.size()); int numofstudents = rootNode.get("NumberOfStudents").getIntValue(); // grab the number of students System.out.println("Numer of students = " + numofstudents); // FillScore(Questions); // for(int x = 0; x < Answers.size(); x++){ // // int IDS = Answers.get(x).get("IDS").getIntValue(); //grab the question // String QID = new String(Answers.get(x).get("IDS").getTextValue()); //grab the question // System.out.println("IDS = " + QID ); // // }//end of grade results // JFrame frame = new JFrame(); //window popup //for debuggin // reading in file // File PDF_file = new File("/Users/angellopozo/Documents/TestImages/PDF_CRICLEV2.pdf"); /* * * Start of real code * */ // //workign with jpedal, will read from inputstream // PdfDecoder decode_pdf = new PdfDecoder(true); // try{ //// decode_pdf.openPdfFileFromInputStream(is,true); //file // decode_pdf.openPdfFile("/Users/angellopozo/Dropbox/My // Code/java/MainRabbitMongo/Resources/CreatedPDF_Mongo_Test.pdf"); ///DEUG LINE //// BufferedImage img = decode_pdf.getPageAsImage(1); //// decode_pdf.closePdfFile(); //// File fileToSave = new File("/Users/angellopozo/Dropbox/My // Code/java/MainRabbitMongo/src/main/java/RPC/jpedalRPCTEST1.jpg"); //// ImageIO.write(img, "jpg", fileToSave); //// JFrame frame = new JFrame("jpedal buffered image"); //// Panel panel = new Panel(); //// frame.getContentPane().add(new JLabel(new ImageIcon(img))); //// frame.pack(); ////// frame.setLocationRelativeTo(null); //// frame.setVisible(true); // PdfFileInformation fileinfo = decode_pdf.getFileInformationData(); // String[] Fnames = fileinfo.getFieldValues(); // for(int i = 0 ; i < Fnames.length; i++){ // System.out.println("fname info = " + Fnames[i]); // } // System.out.println("xml data = " + fileinfo.getFileXMLMetaData()); // System.out.println("name of the input stream file = " + decode_pdf.getFileName()); // } // catch(PdfException e) { // e.printStackTrace();//return back and do the rpc to the user ... use return and check // returns? // // } // File PDF_file = new File("/Users/angellopozo/Dropbox/My // Code/java/MainRabbitMongo/Resources/CreatedPDF_TestMongo_Graded.pdf"); //to large, need to do // some scaling // File PDF_file = new File("/Users/angellopozo/Dropbox/My // Code/java/MainRabbitMongo/Resources/CreatedPDF_Mongo_Test_Inputs.pdf"); //working // File PDF_file = new File("/Users/angellopozo/Dropbox/My // Code/java/MainRabbitMongo/Resources/CreatedPDF_Mongo_Grade_Random.pdf"); // File PDF_file = new File("/Users/angellopozo/Dropbox/My // Code/java/MainRabbitMongo/Resources/CreatedPDF_TestMongo_Graded_Vsmaller.pdf"); File PDF_file = new File( "/Users/angellopozo/Dropbox/My Code/java/MainRabbitMongo/Resources/CreatedPDF_Mongo_Random_withScore_testnum2_Grade_LARGE.pdf"); // File PDF_file = new File("/Users/angellopozo/Dropbox/My // Code/java/MainRabbitMongo/Resources/CreatedPDF_Mongo_Random_withScore_testnum2_Grade_LARGE_MISTAKES_doubles.pdf"); // File PDF_file = new File("/Users/angellopozo/Dropbox/My // Code/java/MainRabbitMongo/Resources/CreatedPDF_Mongo_Random_withScore_testnum2_Grade_LARGE_MISTAKES_noreply.pdf"); // just testing. I get a bufferedImageLuminanceSource.java.39 -> grabbing image file dimentions. // PdfDecoder decode_pdf = new PdfDecoder(true); // decode_pdf.openPdfFile("/Users/angellopozo/Dropbox/My // Code/java/MainRabbitMongo/Resources/CreatedPDF_Mongo_Grade_Random.pdf"); // int numpages = decode_pdf.getPageCount(); PDDocument doc = PDDocument.load(PDF_file); // used to get page numbers int numpages = doc.getNumberOfPages(); // get page numbers for for loop int[] CorrectlyAnswered = new int[Questions.size()]; // number of correct answers int[] IncorrectlyAnswered = new int[Questions.size()]; // number of incorrectly answered responses byStudent bystudent = new byStudent( numofquestions, numofstudents); // create grading instance //Initialize with number of students byQuestion byquestion = new byQuestion(numofquestions, numofstudents); System.out.println("result size = " + CorrectlyAnswered.length); // need to fill the score array in byquestions for (int i = 0; i < Questions.size(); i++) { // System.out.println("Score for this question = " + // Questions.get(i).get("Score").getDoubleValue()); byquestion.ScoreDefault[i] = Questions.get(i).get("Score").getDoubleValue(); } // end of filling score array in byquestion // int numpages = decode_pdf.getPageCount(); //get page numbers for for loop System.out.println( "number of pages = " + numpages); // check to make sure the number of pages is reasonable, dont want this to // be too large call Db and return System.out.println("____________________________________"); // JFrame frame = new JFrame(); //window popup // ArrayList Results = new ArrayList(); //Array of the answer locations // ArrayList WA = new ArrayList(); //array of wrong answers that were selected by the students // ArrayList SR = new ArrayList(); //holding accumulated data below. selected answers array int numoffails = 0; int Aindex = 0; // int Qindex = 0; int[][] Selections = new int[2][Questions.size()]; // student , question int[][] SelectionTotal = new int[Questions.size()][4]; // question, answer selected for (int i = 0; i < numpages; i++) { // for every page // File PDF_file = new File("/Users/angellopozo/Documents/TestImages/PDF_CRICLEV2.pdf"); // convert page to PDF BufferedImage PDF_img = ConvertPageToImage(PDF_file, i); // BufferedImage PDF_img = decode_pdf.getPageAsImage(i); // START creating luminance source LuminanceSource lumSource = new BufferedImageLuminanceSource(PDF_img); BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(lumSource)); Reader reader = new QRCodeReader(); // create qr reader GenericMultipleBarcodeReader multireader = new GenericMultipleBarcodeReader(reader); Hashtable<DecodeHintType, Object> hints = new Hashtable<DecodeHintType, Object>(); hints.put(DecodeHintType.TRY_HARDER, Boolean.TRUE); TreeMap<String, Rectangle2D> sortedBarcodeResults = new TreeMap<String, Rectangle2D>(); Result results[] = null; try { results = multireader.decodeMultiple(bitmap, hints); } catch (ReaderException re) { return; } // end of try // END creating luminance source // go through each found QR Code and draw a box around it BufferedImage outimage = PDF_img; // copy of the pdf image Graphics2D g2 = outimage.createGraphics(); g2.setColor(Color.green); g2.setStroke(new BasicStroke(3)); // draw boxes around the found qrcodes int index = 0; // debug line to save images for (Result result : results) { System.out.println("barcode result: " + result.getText()); double x1 = result.getResultPoints()[0].getX(); // top left double y1 = result.getResultPoints()[0].getY(); // top left double x2 = result.getResultPoints()[1].getX(); // top right double y2 = result.getResultPoints()[1].getY(); // top right double x3 = result.getResultPoints()[2].getX(); // bottom left double y3 = result.getResultPoints()[2].getY(); // bottom left // double x4 = result.getResultPoints()[3].getX(); //bottom right (bottom right square // location..some qr have it) // double y4 = result.getResultPoints()[3].getY(); //bottom right (bottom right square // location..some qr have it) Rectangle2D rectbox = new Rectangle2D.Double(x2, y2, (x3 - x2), (y1 - y2)); // Double buffer = 10.0;//highly dependent on the size of the qrcode // Rectangle2D rectbox = new Rectangle2D.Double(x2-buffer, y2-buffer, (x3-x2)+2*buffer, // (y1-y2)+2*buffer); // System.out.println("barcode location: " + x1 +" "+ y1 +" "+ x2 +" "+ y2 + " " + // x3 +" "+ y3); // System.out.println("barcode location: " + x3 +" "+ y3+" "+ x4+" "+ y4+"\n");// +" "+ // (x2-x1) +" "+ (y2-y1) +"\n"); sortedBarcodeResults.put( result.getText(), rectbox); // (qrdecoded string , rectangle box in pixels) g2.draw(rectbox); // draw box around qrcode Rectangle2D bubblebox = new Rectangle2D.Double( x2 + (x3 - x2) + 15, y2 - 20, 45, (y1 - y2) + 55); // box around bubbles g2.draw(bubblebox); // area that the bubbles exist in the image BufferedImage subBubble = PDF_img.getSubimage( (int) (x2 + (x3 - x2) + 15), (int) (y2 - 20), 45, (int) ((y1 - y2) + 55)); // box around bubbles IplImage ipl_subBubble = IplImage.createFrom(subBubble); // convert subimage into iplimage IplImage ipl_subBubble_large = cvCreateImage( cvSize(ipl_subBubble.width() * 4, ipl_subBubble.height() * 4), ipl_subBubble.depth(), ipl_subBubble.nChannels()); cvResize(ipl_subBubble, ipl_subBubble_large, CV_INTER_CUBIC); // enlarge image IplImage ipl_subBubble_gray = cvCreateImage( cvSize(ipl_subBubble_large.width(), ipl_subBubble_large.height()), IPL_DEPTH_8U, 1); // create black and white version of page // IplImage ipl_subBubble_gray = ipl_subBubble_large.clone(); if (ipl_subBubble_large.nChannels() > 1) { cvCvtColor(ipl_subBubble_large, ipl_subBubble_gray, CV_RGB2GRAY); } else { // IplImage ipl_subBubble_gray = ipl_subBubble_large.clone(); } cvThreshold(ipl_subBubble_gray, ipl_subBubble_gray, 100, 255, CV_THRESH_OTSU); cvSmooth(ipl_subBubble_gray, ipl_subBubble_gray, CV_GAUSSIAN, 9, 9, 2, 2); CvMemStorage circles = CvMemStorage.create(); // show bubbles, check this if no grading is working // CanvasFrame smoothed = new CanvasFrame("gray image"); // smoothed.setDefaultCloseOperation(javax.swing.JFrame.EXIT_ON_CLOSE); // smoothed.showImage(ipl_subBubble_gray); CvSeq seq = cvHoughCircles( ipl_subBubble_gray, circles, CV_HOUGH_GRADIENT, 1, 50, 80, 20, 32, (int) (ipl_subBubble_gray.height() / (7))); Integer[][] FilledBubbles = new Integer[4][4]; // arry holds the #of pixels seen and the y dimention of subimage // Vector<CvPoint> centers = new Vector<CvPoint>(4);//the 4 can be seq.total() for (int j = 0; j < seq.total(); j++) { // draw a circle around each circle found CvPoint3D32f xyr = new CvPoint3D32f(cvGetSeqElem(seq, j)); CvPoint center = new CvPoint(Math.round(xyr.x()), Math.round(xyr.y())); int radius = Math.round(xyr.z()); cvCircle(ipl_subBubble_large, center, 3, CvScalar.GREEN, -1, 8, 0); // center of circle cvCircle(ipl_subBubble_large, center, radius, CvScalar.BLUE, 3, 8, 0); // outer circle FilledBubbles[j][0] = FindBubbleSelected(center, radius, ipl_subBubble_gray); // bubble selected area // FilledBubbles[j][0] = 1; //here to get rid of dimensions error FilledBubbles[j][1] = Math.round(center.x()); FilledBubbles[j][2] = Math.round(center.y()); FilledBubbles[j][3] = Math.round(radius); // System.out.println("Filled bubble Count = "+ FilledBubbles[j]); } // end of look for circles for // //the algorithm may not find circles //was trying to fix an old error, solved it by // fixing th size of the image on hte pdf to image conversion // int anynull = anynulls(FilledBubbles); //// System.out.println("anynull = "+ anynull); // if(anynull == 1){ // numoffails++; // continue; //this question, not all circles were found. // }//end of null check //this means not all 4 circles were found // System.out.println("filled bubbles size = " + FilledBubbles[0].length); // System.out.println("filled bubbles size = " + FilledBubbles.length); FilledBubbles = SortbyYdimention( FilledBubbles); // note to self, check for nulls because that woud be an issue.... // print out area of bubble // for(Integer[] tp : FilledBubbles){ // System.out.println("Filled bubble Count = "+ tp[0] + " loc = "+ tp[1]); // } int[] selectResult = ReturnIndexOfmax(FilledBubbles); // maxindex = the answer submitted by the student int maxIndex = selectResult[0]; int isfound = 1; int ismulti = 0; if (selectResult[1] > 1 || selectResult[2] == 1) { // selectResult[1] = number of bubbles , selectResult[2] = no selections // made System.out.println("more than one bubble was selected"); // Aindex++; //index for looping through answer array //need to be // incremented to keep data correct // index++; //(0-number of questions) //need to be incremented to keep data // correct // numoffails++; //student selected too many inputs, hence trying to cheat // and isfound = 0; ismulti = 1; // continue; } // end of slectResults[1] if /* GRADE THE RESULTS!!! */ // TestObject =mongo query result, Aindex = question being looked at String QID = new String( TestAnswerSheet.get(Aindex).get("IDS").getTextValue()); // grab the question ID int CorrectAnswerloc = TestAnswerSheet.get(Aindex).get("Answer").getIntValue(); // correct answer location System.out.println("Correc answer location = " + CorrectAnswerloc); System.out.println("IDS = " + QID + " QI = " + Aindex); int iscorrect = 0; if (ismulti == 1) { // if multiple selected iscorrect = 0; } else { // if only one input for a question is found iscorrect = checkcorrectness(CorrectAnswerloc, maxIndex); } // create the student selections by question found BasicDBObject newvals = new BasicDBObject(); String Answersnum = new String("TestAnswerSheet." + Integer.toString(Aindex)); newvals.put(Answersnum + ".found", isfound); newvals.put(Answersnum + ".multiselect", ismulti); // newvals.put(Answersnum + ".correct", iscorrect); // newvals.put(Answersnum + ".selected", maxIndex); BasicDBObject posop = new BasicDBObject("$set", newvals); System.out.println("inc query = " + posop.toString()); coll.update(new BasicDBObject("_id", new ObjectId(message)), posop); // System.out.println("first character = " + QID.charAt(0)); // System.out.println("last character = " + QID.charAt(2)); char stud = QID.charAt(0); // this is the student //QID starts at 1, not at 0 hence the negative char Q = QID.charAt(2); // this is the question System.out.println("Student num = " + stud); System.out.println( "Q num = " + Character.getNumericValue(Q - 1)); // QID starts at 1, not at 0 hence the negative // Aggregate information to create Test Results array int Qint = Aindex % numofquestions; // Qint = the question number of the test -1(includes 0 hence the // -1) //should be equivalent to char Q // System.out.println("Score for this question = " + // Questions.get(Qint).get("Score").getDoubleValue()); if (iscorrect == 1) { System.out.println("mod result = " + Qint); System.out.println("Question = " + Qint + " is correct = " + iscorrect); CorrectlyAnswered[Qint] = CorrectlyAnswered[Qint] + 1; // byquestion.IncrementCorrectlyAnswered(Qint); byquestion.IncrementCorrectlyAnswered(Qint); bystudent.IncrementCorrectlyAnswered(Character.getNumericValue(stud)); byquestion.InsertScore(Character.getNumericValue(stud), Qint); } else if (iscorrect == 0) { // wrong answer was selected // Selections // or multiple selections System.out.println("mod result = " + Qint); System.out.println("Question = " + Qint + " is Incorrect = " + iscorrect); IncorrectlyAnswered[Qint] = IncorrectlyAnswered[Qint] + 1; // byquestion.IncrementCorrectlyAnswered(Qint); byquestion.IncrementIncorrectlyAnswered(Qint); bystudent.IncrementIncorrectlyAnswered(Character.getNumericValue(stud)); } byquestion.IncrementSelectedAnswer( maxIndex, Qint); // increment the number of times a selection was made Selections[Character.getNumericValue(stud)][Qint] = maxIndex; SelectionTotal[Qint][maxIndex] = SelectionTotal[Qint][maxIndex] + 1; // byquestion.IncrementSelectedWrongAnwer(Qint, maxIndex); bystudent.IncrementRepliedTo(Character.getNumericValue(stud)); Aindex++; // index for looping through answer array /* END GRADE THE RESULTS!!! */ // TestObject // draw the red circles CvPoint slectedcenter = new CvPoint( FilledBubbles[maxIndex][1].intValue(), FilledBubbles[maxIndex][2].intValue()); cvCircle( ipl_subBubble_large, slectedcenter, FilledBubbles[maxIndex][3].intValue(), CvScalar.RED, 3, 8, 0); // saving subimages to i can debug results // String subimagename = new String("subimage_"+i+"_"+index+".jpg"); index++; // (0-number of questions) // cvSaveImage(subimagename,ipl_subBubble_large); // create image window named "My Image" // String que = new String("_for_"+ result.getText()); // final CanvasFrame canvas = new CanvasFrame("Bubbles_Found"+que); // // request closing of the application when the image window is closed // canvas.setDefaultCloseOperation(javax.swing.JFrame.EXIT_ON_CLOSE); // // show image on window // canvas.showImage(ipl_subBubble_large); System.out.println("____________________________________"); } // end of for results loop // end drawing boxes around each QR CODE // //START code to display in JFRAME // if(i == 0){ // frame.getContentPane().setLayout(new FlowLayout()); // frame.getContentPane().add(new JLabel(new ImageIcon(outimage))); // frame.pack(); // frame.setVisible(true); // } // else { // // frame.getContentPane().add(new JLabel(new ImageIcon(outimage))); // frame.pack(); // frame.setVisible(true); // // } // //END code to display in JFRAME } // end of for loop of pages // putput how well teh students performed on test for (int i = 0; i < numofstudents; i++) { System.out.println( "student" + i + "answered Correctly: " + bystudent.CorrectlyAnswered[i] + " Questions"); System.out.println( "student" + i + "answered Incorrectly: " + bystudent.IncorrectlyAnswered[i] + " Questions"); System.out.println("student" + i + "answered: " + bystudent.RepliedTo[i] + " Questions"); } // results by student and question for (int i = 0; i < Selections.length; i++) { for (int j = 0; j < Selections[0].length; j++) { System.out.println("Student (" + i + "," + j + ") selected = " + Selections[i][j]); } } // results by question and reply for (int i = 0; i < SelectionTotal.length; i++) { System.out.println( "Selection below = " + byquestion.SelectedWrongAnswer_0[i] + " " + byquestion.SelectedWrongAnswer_1[i] + " " + byquestion.SelectedWrongAnswer_2[i] + " " + byquestion.SelectedCorrectAnswer[i] + " "); System.out.println( "correctly answered = " + byquestion.CorrectlyAnswered[i] + " " + CorrectlyAnswered[i]); for (int j = 0; j < SelectionTotal[0].length; j++) { System.out.println("Quesetion (" + i + "," + j + ") selected = " + SelectionTotal[i][j]); } } // end of selctiontotal for loop byquestion.ComputePercentCorrectlyAnswered(); byquestion.ComputePercentIncorrectlyAnswered(); byquestion.ComputePercentCorrectSTD(); byquestion.ComputeMeanScoreByQuestion(); // average score for any question by question // byquestion.ComputeMeanScoreByStudent(); //average score for any one question by student byquestion.ComputeMeanbyQuestionSTD(); bystudent.ComputeTotalScores( byquestion.Scoresbystudent); // compute the total scores for any student bystudent.ComputeMeanTotalScore(byquestion.Scoresbystudent); byTest bytest = new byTest(numofquestions, numofstudents, bystudent); bytest.ComputeMeanScoreTest(); bytest.ComputeMeanScoreSTD(); bytest.ComputePercentCorrecltyAnswered(); bytest.ComputePercentIncorrecltyAnswered(); // create Test Results by question ArrayList<BasicDBObject> TestResultbyQuestion = new ArrayList<BasicDBObject>(); // Array of the answer locations for (int j = 0; j < byquestion.CorrectlyAnswered.length; j++) { BasicDBObject ByQuestionVals = new BasicDBObject(); ByQuestionVals.put("SelectedWrongAnswer_0", byquestion.SelectedWrongAnswer_0[j]); ByQuestionVals.put("SelectedWrongAnswer_1", byquestion.SelectedWrongAnswer_1[j]); ByQuestionVals.put("SelectedWrongAnswer_2", byquestion.SelectedWrongAnswer_2[j]); ByQuestionVals.put("SelectedCorrectAnswer", byquestion.SelectedCorrectAnswer[j]); ByQuestionVals.put("CorrectlyAnswered", byquestion.CorrectlyAnswered[j]); ByQuestionVals.put("IncorrectlyAnswered", byquestion.IncorrectlyAnswered[j]); ByQuestionVals.put("PercentCorrect", byquestion.PercentCorrectlyAnswered[j]); ByQuestionVals.put("PercentIncorrect", byquestion.PercentIncorrectlyAnswered[j]); ByQuestionVals.put("STD", byquestion.STD[j]); ByQuestionVals.put("Mean", byquestion.ScoreMean[j]); // means score for this question ByQuestionVals.put("_id", new ObjectId()); TestResultbyQuestion.add(ByQuestionVals); // add Rvals into the Testresultarray listarray // System.out.println("Question " + j + " numcorrect = " + CorrectlyAnswered[j]); } // create Test Results by test BasicDBObject ByTestVals = new BasicDBObject(); ByTestVals.put("Mean", bytest.ScoreMean); ByTestVals.put("STD", bytest.ScoreSTD); ByTestVals.put("PercentCorrect", bytest.PercentCorrectlyAnswered); ByTestVals.put("PercentInorrect", bytest.PercentIncorrectlyAnswered); ByTestVals.put("_id", new ObjectId()); // create graded exists BasicDBObject TestGradedVals = new BasicDBObject(); TestGradedVals.put("WasGraded", 1); Date now = new Date(); TestGradedVals.put("GradeOn", now); TestGradedVals.put("_id", new ObjectId()); // create Test Results by student ArrayList<BasicDBObject> TestResultbyStudent = new ArrayList<BasicDBObject>(); // Array of the answers by student for (int j = 0; j < bystudent.CorrectlyAnswered.length; j++) { BasicDBObject ByStudentVals = new BasicDBObject(); ByStudentVals.put("CorrectlyAnswered", bystudent.CorrectlyAnswered[j]); ByStudentVals.put("IncorrectlyAnswered", bystudent.IncorrectlyAnswered[j]); ByStudentVals.put("RepliedTo", bystudent.RepliedTo[j]); ByStudentVals.put("ScoreTotal", bystudent.ScoreTotal[j]); // ByStudentVals.put("ScoreMean", bystudent.ScoreMean[j]); //this is still wrong, unless i // want ot show the mean of score for any 1 question ByStudentVals.put("_id", new ObjectId()); TestResultbyStudent.add(ByStudentVals); // add Rvals into the Testresultarray listarray // System.out.println("Question " + j + " numcorrect = " + CorrectlyAnswered[j]); } // v1 BasicDBObject TRbyQuestions = new BasicDBObject("TRbyQuestions", TestResultbyQuestion); BasicDBObject set = new BasicDBObject("$set", TRbyQuestions); // System.out.println("Test result query = " + TRbyQuestions); coll.update(new BasicDBObject("_id", new ObjectId(message)), set); BasicDBObject TRbyTest = new BasicDBObject("TRbyTest", ByTestVals); BasicDBObject settest = new BasicDBObject("$set", TRbyTest); coll.update(new BasicDBObject("_id", new ObjectId(message)), settest); BasicDBObject TestGradedobject = new BasicDBObject("TestGraded", TestGradedVals); BasicDBObject settestgraded = new BasicDBObject("$set", TestGradedobject); coll.update(new BasicDBObject("_id", new ObjectId(message)), settestgraded); BasicDBObject TRbyStudent = new BasicDBObject("TRbyStudents", TestResultbyStudent); BasicDBObject set1 = new BasicDBObject("$set", TRbyStudent); coll.update(new BasicDBObject("_id", new ObjectId(message)), set1); // v2 // DBObject TestObject2 = coll.findOne(new BasicDBObject("_id", new ObjectId(message))); //the // actual mongo query // TestObject2.put("CorrectlyAnswered", TestResultsarray); // coll.save(TestObject2); System.out.println("Failed to grade " + numoffails + " questions"); doc.close(); } // end of Grader
public static void captureFrame() { // ---------These objects allow us to edit the variables used in the scalar polygon // recognition------ JLabel blueMaxValueLabel = new JLabel("Max Blue Value"); JTextField blueMaxValueField = new JTextField("255.0", 5); JLabel blueMinValueLabel = new JLabel("Min Blue Value"); JTextField blueMinValueField = new JTextField("100.0", 5); JLabel greenMaxValueLabel = new JLabel("Max Green Value"); JTextField greenMaxValueField = new JTextField("255.0", 5); JLabel greenMinValueLabel = new JLabel("Min Green Value"); JTextField greenMinValueField = new JTextField("215.0", 5); JLabel redMaxValueLabel = new JLabel("Max Red Value"); JTextField redMaxValueField = new JTextField("45.0", 5); JLabel redMinValueLabel = new JLabel("Min Red Value"); JTextField redMinValueField = new JTextField("0.0", 5); JLabel yLabel = new JLabel("Y"); JTextField yValue = new JTextField(5); boolean hotZone = false; // ---------------------------------End object lists------------------------------------- String source = "http://*****:*****@10.12.59.11/mjpg/video.mjpg"; FrameGrabber grabber = new OpenCVFrameGrabber(source); // new VideoInputFrameGrabber(0); try { Thread.sleep(1000); } catch (InterruptedException ex) { Logger.getLogger(CaptureImage.class.getName()).log(Level.SEVERE, null, ex); } CanvasFrame canvas = new CanvasFrame("WebCam"); canvas.setDefaultCloseOperation(javax.swing.JFrame.EXIT_ON_CLOSE); CanvasFrame before = new CanvasFrame("before"); before.setDefaultCloseOperation(javax.swing.JFrame.HIDE_ON_CLOSE); GridBagLayout gridBag = new GridBagLayout(); before.setLayout(gridBag); GridBagConstraints gbc = new GridBagConstraints(); gbc.fill = GridBagConstraints.VERTICAL; gridBag.setConstraints(before.getComponent(0), gbc); gbc.fill = GridBagConstraints.NONE; gbc.gridx = 1; gbc.gridy = 0; before.add(blueMaxValueLabel, gbc); gbc.gridx = 2; before.add(blueMaxValueField, gbc); gbc.gridx = 3; before.add(blueMinValueLabel, gbc); gbc.gridx = 4; before.add(blueMinValueField, gbc); // before.add(blueMinValueField); gbc.gridx = 1; gbc.gridy = 2; before.add(greenMaxValueLabel, gbc); gbc.gridx = 2; before.add(greenMaxValueField, gbc); gbc.gridx = 3; before.add(greenMinValueLabel, gbc); gbc.gridx = 4; before.add(greenMinValueField, gbc); // before.add(greenMinValueField); gbc.gridx = 1; gbc.gridy = 3; before.add(redMaxValueLabel, gbc); gbc.gridx = 2; before.add(redMaxValueField, gbc); gbc.gridx = 3; before.add(redMinValueLabel, gbc); gbc.gridx = 4; before.add(redMinValueField, gbc); before.add(yLabel); before.add(yValue); // before.add(redMinValueField); int numOfScreens = 39; // String loadingPic = "C:\\loadingScreen\\loadingScreen" // + (((int) (Math.random() * numOfScreens)) + 1) + ".bmp"; int failedGrabs = 0; NetworkTable.setTeam( 1259); // Capture image requires the setTeam method because it does not have use // Smartdashboard which already assigns a team number in the from of a network table NetworkTable.setIPAddress("10.12.59.2"); NetworkTable.setClientMode(); NetworkTable.getTable("SmartDashboard").putBoolean("TestTable", hotZone); while (true) { try { // try { // IplImage splashScreen = new IplImage(cvLoadImage(loadingPic)); // canvas.showImage(splashScreen); // } catch (Exception e) { // } grabber.start(); IplImage img; // IplImage hsv; // IplImage canny; IplImage displayImg; IplImage dst; PolygonFinder polyFind = new PolygonFinder(); // try { // NetworkTable.getTable("camera").putNumber("distance", 0); // NetworkTable.getTable("camera").putBoolean("hotZone", false); // } catch (Exception e) { // } while (true) { while (true) { try { // System.out.println("grabbing..."); img = new IplImage(grabber.grab()); displayImg = new IplImage(cvCreateImage(img.cvSize(), img.depth(), img.nChannels())); cvCopy(img, displayImg, null); // System.out.println("Frame GRABBED!"); break; } catch (Exception e) { failedGrabs++; System.out.println(failedGrabs); if (failedGrabs > 10) { grabber = new OpenCVFrameGrabber(source); grabber.start(); failedGrabs = 0; } continue; } } // PolygonFinder polyFind = new PolygonFinder(img); // ArrayList<PolygonStructure> polygons = polyFind.findPolygons(4); // for (int i = 0; i < polygons.size(); i++) { // polygons.get(i).drawShape(img, CvScalar.MAGENTA); // } // canvas.showImage(img); // return; if (img != null) { // cvSaveImage("originalcapture.jpg", img); } // IplImage gray = cvCreateImage(cvGetSize(img), img.depth(), 1 ); // hsv = new IplImage(cvCreateImage(cvGetSize(img), img.depth(), 3)); dst = new IplImage(cvCreateImage(cvGetSize(img), img.depth(), 1)); // cvCvtColor(img, gray, CV_RGB2GRAY); // cvCvtColor(img, hsv, CV_BGR2HSV); // if(hsv != null) { // cvSaveImage("hsv.jpg", hsv); // } // 30 20 0; 70 140 60 // 50 175 75 //// 100 255 225 // cvInRangeS(hsv, cvScalar(0, 200, 0, 0), cvScalar(150, 255, 255, 0), dst); // cvDrawLine(img, new CvPoint(0, 360), new CvPoint(639, 360), CvScalar.BLACK, 240, 8, 0); // cvInRangeS(img, cvScalar(100, 215, 0, 0), cvScalar(255, 255, 45, 0), dst); This is the // original // Code used to set max and min values for bgr scale in scalars VVV cvInRangeS( img, cvScalar( (new Double(blueMinValueField.getText())).doubleValue(), (new Double(greenMinValueField.getText())).doubleValue(), (new Double(redMinValueField.getText())).doubleValue(), 0), cvScalar( (new Double(blueMaxValueField.getText())).doubleValue(), (new Double(greenMaxValueField.getText())).doubleValue(), (new Double(redMaxValueField.getText())).doubleValue(), 0), dst); // NEED TO FLIP MAX IN MIN POSITION, MIN IS IN MAX POSITION // cvInRangeS(img, cvScalar(0, 0, 0, 0), cvScalar(255, 255, 255, 0), dst); // cvDilate( dst, dst, null, 1 ); cvSmooth(dst, dst, CV_MEDIAN, 1, 1, 0, 0); // cvCanny(gray, dst, 50, 100, 3); // cvCvtColor(hsv, gray, CV_RGB2GRAY); // canvas.showImage(img); // before.showImage(dst); IplImage newDst = new IplImage(cvCloneImage(img)); // cvCreateImage(cvGetSize(img), img.depth(), 3)); cvCvtColor(dst, newDst, CV_GRAY2BGR); // cvConvexHull2(newDst, null, CV_CLOCKWISE, 0); before.showImage(newDst); polyFind.setImage(newDst); ArrayList<PolygonStructure> polygons = new ArrayList<PolygonStructure>(); int i; // before.showImage(newDst); for (i = 4; i < 5; i++) { for (PolygonStructure ps : polyFind.findPolygons(i)) { polygons.add(ps); } } for (int c = 0; c < polygons.size(); c++) { for (int d = 0; d < polygons.size(); d++) { if (c == d) { break; } if (polygons .get(c) .getPolygon() .contains(polygons.get(d).getPolygon().getBounds2D())) { polygons.remove(d); if (d < c) { c--; } d--; } } } for (int c = 0; c < polygons.size(); c++) { for (int d = 0; d < polygons.size(); d++) { if (c == d) { break; } if (polygons .get(c) .getPolygon() .contains( polygons.get(d).getPolygon().getBounds().getCenterX(), polygons.get(d).getPolygon().getBounds().getCenterY())) { polygons.remove(d); if (d < c) { c--; } d--; } } } // if // (tempPoly.getVertex(0).x()<vertices[0].x()&&tempPoly.getVertex(1).x()>vertices[0].x() // // &&tempPoly.getVertex(1).y()<vertices[0].y()&&tempPoly.getVertex(2).y()>vertices[0].y()) // { // isInside = true; // break; // } for (i = 0; i < polygons.size(); i++) { if (polygons.size() < 2) { hotZone = false; } else { hotZone = true; } CvScalar polyColor = CvScalar.MAGENTA; switch (i) { case 0: { polyColor = CvScalar.RED; // System.out.println("Center X: " // + (320 - ((polygons.get(i).getVertex(3).x() // + polygons.get(i).getVertex(2).x()) / 2)) // + "\tCenter Y: " // + (240 - ((polygons.get(i).getVertex(3).y() // + (polygons.get(i).getVertex(2).y())) / 2))); double x = (320 - ((polygons.get(i).getVertex(3).x() + polygons.get(i).getVertex(2).x()) / 2)); double angle = (480 - ((polygons.get(i).getVertex(3).y() + (polygons.get(i).getVertex(2).y())) / 2)); // double distance = 5182.2043151825 * Math.pow(angle, -1); double distance = 514.7318 * Math.pow(angle - 220, -1.2); // double distance; if (angle < 317) { distance = -0.370786516853933 * angle + 133.977528089888; } else if (angle > 316 && angle < 325) { distance = -0.184697808038669 * angle + 74.9375184489134; } else if (angle > 324 && angle < 362) { distance = -0.140145789191636 * angle + 60.5198480748917; } else if (angle > 360) { distance = -0.0702258215380136 * angle + 35.3150512441271; } for (int c = 0; c < 4; c++) { System.out.println("Vertex " + c + ":" + polygons.get(i).getVertex(c).y()); } yValue.setText("" + angle); // hotZone = true; break; } case 1: { // Hot zone polyColor = CvScalar.BLUE; break; } case 2: { polyColor = CvScalar.GREEN; break; } case 3: { polyColor = CvScalar.YELLOW; break; } } // polygons.get(i).drawShape(img, polyColor); cvLine( displayImg, polygons.get(i).getVertices()[3], polygons.get(i).getVertices()[0], polyColor, 3, CV_AA, 0); cvLine( displayImg, polygons.get(i).getVertices()[0], polygons.get(i).getVertices()[1], polyColor, 3, CV_AA, 0); cvDrawCircle(displayImg, polygons.get(i).getVertices()[0], 3, CvScalar.GRAY, 1, 8, 0); cvLine( displayImg, polygons.get(i).getVertices()[1], polygons.get(i).getVertices()[2], polyColor, 3, CV_AA, 0); cvDrawCircle( displayImg, polygons.get(i).getVertices()[1], 3, CvScalar.MAGENTA, 1, 8, 0); cvLine( displayImg, polygons.get(i).getVertices()[2], polygons.get(i).getVertices()[3], polyColor, 3, CV_AA, 0); cvDrawCircle(displayImg, polygons.get(i).getVertices()[2], 3, CvScalar.BLACK, 1, 8, 0); cvDrawCircle(displayImg, polygons.get(i).getVertices()[3], 3, CvScalar.CYAN, 1, 8, 0); // System.out.println("Polygon " + i + "\t" + polygons.get(i).getVertices()[0]); } try { // NetworkTable.getTable("camera").beginTransaction(); // NetworkTable.getTable("camera").putNumber("distance", // distance); // NetworkTable.getTable("camera").putNumber("x", x); NetworkTable.getTable("camera").putBoolean("hotZone", hotZone); // NetworkTable.getTable("camera").endTransaction(); } catch (Exception e) { } if (displayImg != null) { // cvSaveImage("aftercapture.jpg", dst); cvDrawLine( displayImg, new CvPoint(300, 240), new CvPoint(340, 240), CvScalar.WHITE, 2, 8, 0); cvDrawLine( displayImg, new CvPoint(320, 220), new CvPoint(320, 260), CvScalar.WHITE, 2, 8, 0); canvas.showImage(displayImg); } else { // System.out.println("Null Image"); } // cvReleaseImage(gray); cvReleaseImage(newDst); // cvReleaseImage(img); // cvReleaseImage(hsv); cvReleaseImage(displayImg); cvReleaseImage(dst); // Thread.sleep(50); } // System.out.println("5"); // grabber.stop(); } catch (Exception e) { e.printStackTrace(); } grabber = new OpenCVFrameGrabber(source); } }