/**
* 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);
}
}
