MCSL-054 Solved Assignment 2013-14
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(2) MCSL-054 Solved assignment 2013-14 By Sheel:- [email protected] Write at your own risk. conn = DriverManager.getConnection(url+dbName,username,userPassword); Statement stcount = conn.createStatement(); String strQuerycount = "select count(*),account_no from transaction where username='"+user+"' and account_no='"+account_no+"' and cdate>='"+sdate+"' and cdate<='"+edate+"' group by account_no"; ResultSet rscount = stcount.executeQuery(strQuerycount); if(rscount.next()) { total_count=rscount.getInt(1); } if(total_count%per_page==0) { total_page = total_count/per_page; } else { total_page = total_count/per_page+1; } Statement st1 = conn.createStatement(); String strQuery1 = "select * from user where username='"+user+"'"; ResultSet rs1 = st1.executeQuery(strQuery1); if(rs1.next()) { name =rs1.getString(1) + " "+ rs1.getString(2); } Statement st = conn.createStatement(); String strQuery = "select * from transaction where username='"+user+"' and account_no='"+account_no+"' and cdate>='"+sdate+"' and cdate<='"+edate+"' limit "+ofset+","+per_page; ResultSet rs = st.executeQuery(strQuery); int count=0; if(offset>1) count=offset*per_page-per_page; %> <table style="padding-left:150px;"> <tr style="background-color:efefef;"> <td><b>Account No</b></td><td>:</td><td><%=account_no%></td> </tr>.
(3) MCSL-054 Solved assignment 2013-14 By Sheel:- [email protected] Write at your own risk. <tr style="background-color:efefef;"> <td><b>Username</b></td><td>:</td><td><%=user%></td> </tr> <tr style="background-color:efefef;"> <td><b>Name</b></td><td>:</td><td><%=name%></td> </tr> </table> <br><br><br> <table width="700px" align="center" style="border:1px solid #000000;" > <tr> <td colspan=8 align="center" style="background-color:ffeeff"><b>Transaction Report</b></td> </tr> <tr style="background-color:efefef;"> <td><b>SNo</b></td> <td><b>Amount</b></td> <td><b>Net Amount</b></td> <td><b>Cash Type</b></td> <td><b>Date</b></td> </tr> <tr style="background-color:<%=color%>;"> <td><%=count%></td> <td><%=rs.getInt(4)%></td> <td><%=rs.getInt(7)%></td> <td><%=rs.getString(6)%></td> <td><%=rs.getString(5)%></td> </tr> </table> conn.close(); }.
(4) MCSL-054 Solved assignment 2013-14 By Sheel:- [email protected] Write at your own risk. Question 2: Write a JSP Program, which displays a web page containing two web links one for showing schedule of counselling sessions at a Study Centre and other for FAQs on Programme on offer by the University. When one click on link Study Centre it goes to a page which show the counselling schedule for MCA students. Clicking on link for FAQs on Programme on Offer, another JSP page open, which consists of some FAQ related to different programme offered in the University.. Answer.2 Main.jsp <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>Main</title> </head> <body> <br><br><br> <center> <a href="detailofstudycenter.jsp"><h2>View Details of study center</h2></a></center> <br> <center> <a href="faqonprograms.jsp"><h2>View Faq on Programs on offer</h2></a></center> </body> </html>. detailofstudycenter.jsp <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>Student Centre Detail Page:</title> </head> <body> <table align="center" border="1"> <tr> <td>Study Centre Name :</td> <td> Karrox IGNOU Study Centre </td> </tr> <tr> <td>Address :</td> <td> karrox technologies Ltd, Opp Shreyas Cinema, Ghatkopar(w),Mumbai86.
(5) MCSL-054 Solved assignment 2013-14 By Sheel:- [email protected] Write at your own risk. </td> </tr> <tr> <td>Phone Number :</td> <td> 022-25699002 </td> </tr> <tr> <td>Email :</td> <td> [email protected] </td> </tr> <tr> <td>Program Coordinator :</td> <td> Mudadi Sanyasi J</td> </tr> <tr> <td> counselling schedule for MCA :</td> <td><a href =”schedule.doc”> click here</a></td> </tr>. </table> </body> </html>. faqonprograms.jsp <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>FAQs</title> </head> <body><br><br><br> <center><h2><u> FAQs on Practicls </u></h2></center><br> <p>Q1. If attendance is less than 75% in practical session of a course due to some reasons can student get any help/consideration? <br><br> Ans : The student will NOT be allowed to appear in Term-End Practical Exam. </p> <p>Q2. If Attendance is less than 75% then how can a student give Term-End Practical Exam? <br><br> Ans : The student will NOT be allowed to appear in Term-End Practical Exam..
(6) MCSL-054 Solved assignment 2013-14 By Sheel:- [email protected] Write at your own risk. </p> <p>Q3. Can the MCA students appear in the Term-End Practical Exam without filling the TermEnd Exam Form ? <br><br> Ans : No. </p> <p>Q4. What should we do to give my Backlog Term End Practical Exam ? <br><br> Ans : Collect attendance proof from the study Centre & then submit to IGNOU Regional Centre before your Term End Examination (Theory). </p> </body> </html>. Question 3: Write a program using JSP and JDBC to provide details of MCA/BCA/CIT students at a IGNOU study centres. Also the program should enable any student to change his/her address. This program should provide the practical attendance detail of students in different semesters of MCA/BCA/CIT.. Answer.3 index.jsp <%@page contentType="text/html" pageEncoding="UTF-8"%> <%@page import="java.sql.*,database.DBConnection"%> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> </head> <body> <div align="center" style="margin-top: 30px;">Select your regional center <select name="scenter"> <option value="-1">Please select one</option> <% Connection con = DBConnection.getDBConnection(); Statement stmt = con.createStatement(); ResultSet res = stmt.executeQuery("select rid,rname from regionalcenter");.
(7) MCSL-054 Solved assignment 2013-14 By Sheel:- [email protected] Write at your own risk. while(res.next()) { %> <option value="<%= res.getInt("rid") %>" onclick="javascript:window.location='page2.jsp?rid=<%= res.getInt("rid") %>'"><%= res.getString("rname") %></option> <% } %> </select> </div> </body> </html>. page2.jsp <%@page contentType="text/html" pageEncoding="UTF-8"%> <%@page import="java.sql.*,database.DBConnection"%> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>JSP Page</title> </head> <body> <% int rid = Integer.parseInt(request.getParameter("rid")); %> <div align="center" style="margin-top: 30px;"> <a href="index.jsp">Back</a><br> <a href="page3.jsp?rid=<%= rid %>">Student details for different semester(MCA,BCA and CIT) regional center wise</a> <table style="margin-top: 30px;" align="center" width="100%" border="1"> <tr> <th colspan="3" align="center">Study center details</th> </tr> <tr> <th>Id</th> <th>Name</th> <th>Address</th> </tr> <% Connection con = DBConnection.getDBConnection(); Statement stmt = con.createStatement();.
(8) MCSL-054 Solved assignment 2013-14 By Sheel:- [email protected] Write at your own risk. ResultSet res = stmt.executeQuery("select sid,sname,address from studycenter where rid="+rid+""); while(res.next()) { %> <tr> <td><%= res.getInt("sid") %></td> <td><a href="page4.jsp?sid=<%= res.getInt("sid") %>"><%= res.getString("sname") %></a></td> <td><%= res.getString("address") %></td> </tr> <% } %> </table> </div> </body> </html>. page3.jsp. <%@page contentType="text/html" pageEncoding="UTF-8"%> <%@page import="java.sql.*,database.DBConnection"%> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>JSP Page</title> </head> <body> <div align="center" style="margin-top: 20px;"> <a href="index.jsp">Back</a> </div> <table align="center" style="margin-top: 30px;" align="center" width="100%" border="1"> <tr> <th colspan="7" align="center">Student details</th> </tr> <tr> <th>Id</th> <th>Name</th>.
(9) MCSL-054 Solved assignment 2013-14 By Sheel:- [email protected] Write at your own risk. <th>Gender</th> <th>Age</th> <th>Address</th> <th>Course</th> <th>Semester</th> </tr> <% int rid = Integer.parseInt(request.getParameter("rid")); Connection con = DBConnection.getDBConnection(); Statement stmt = con.createStatement(); ResultSet res = stmt.executeQuery("select student.id,student.name,student.gender,student.age,student.address,student.sem,courses.c name from student,courses where student.cid=courses.cid and student.rid="+rid+""); while(res.next()) { %> <tr> <td><%= res.getInt("id") %></td> <td><%= res.getString("name") %></td> <td><%= res.getString("gender") %></td> <td><%= res.getString("age") %></td> <td><%= res.getString("address") %></td> <td><%= res.getString("cname") %></td> <td><%= res.getString("sem") %></td> </tr> <% } %> </table> </body> </html> page4.jsp. <%@page contentType="text/html" pageEncoding="UTF-8"%> <%@page import="java.sql.*,database.DBConnection"%> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>JSP Page</title> </head> <body> <div align="center" style="margin-top: 20px;"> <a href="index.jsp">Back</a>.
(10) MCSL-054 Solved assignment 2013-14 By Sheel:- [email protected] Write at your own risk. </div> <table align="center" style="margin-top: 30px;" align="center" width="100%" border="1"> <tr> <th colspan="7" align="center">Student details</th> </tr> <tr> <th>Id</th> <th>Name</th> <th>Gender</th> <th>Age</th> <th>Address</th> <th>Course</th> <th>Semester</th> </tr> <% int sid = Integer.parseInt(request.getParameter("sid")); Connection con = DBConnection.getDBConnection(); Statement stmt = con.createStatement(); ResultSet res = stmt.executeQuery("select student.id,student.name,student.gender,student.age,student.address,student.sem,courses.c name from student,courses where student.cid=courses.cid and student.sid="+sid+""); while(res.next()) { %> <tr> <td><%= res.getInt("id") %></td> <td><%= res.getString("name") %></td> <td><%= res.getString("gender") %></td> <td><%= res.getString("age") %></td> <td><%= res.getString("address") %></td> <td><%= res.getString("cname") %></td> <td><%= res.getString("sem") %></td> </tr> <% } %> </table> </body> </html>. DBConnection.java.
(11) MCSL-054 Solved assignment 2013-14 By Sheel:- [email protected] Write at your own risk. package database; import java.sql.*;. public class DBConnection { /** Creates a new instance of DBConnection */ public DBConnection() { } /* * */ public static Connection getDBConnection() { Connection con = null; try { Class.forName("com.mysql.jdbc.Driver"); } catch(ClassNotFoundException e) { System.out.println("Could not load driver class "+e); } try { con = DriverManager.getConnection("jdbc:mysql://localhost:3306/ignou","root","root"); } catch (SQLException e) {System.out.println("Could not get connection "+e);} return con; } public static void closeDBConnection(Connection con) { try { if(con!=null) con.close(); } catch (SQLException e) { System.out.println("Could not close connection "+e); } } public static void main(String[] args) { getDBConnection();.
(12) MCSL-054 Solved assignment 2013-14 By Sheel:- [email protected] Write at your own risk. } }. ignou.sql CREATE DATABASE IF NOT EXISTS ignou; USE ignou;. DROP TABLE IF EXISTS `ignou`.`courses`; CREATE TABLE `ignou`.`courses` ( `cid` int(11) NOT NULL AUTO_INCREMENT, `cname` varchar(100) DEFAULT NULL, PRIMARY KEY (`cid`) ) ENGINE=MyISAM AUTO_INCREMENT=4 DEFAULT CHARSET=latin1;. LOCK TABLES `courses` WRITE; INSERT INTO `ignou`.`courses` VALUES (2,'BCA'), (3,'CIT'), (1,'MCA'); UNLOCK TABLES;. DROP TABLE IF EXISTS `ignou`.`regionalcenter`; CREATE TABLE `ignou`.`regionalcenter` ( `rid` int(11) NOT NULL AUTO_INCREMENT, `rname` varchar(100) DEFAULT NULL, `address` text, PRIMARY KEY (`rid`) ) ENGINE=MyISAM AUTO_INCREMENT=3 DEFAULT CHARSET=latin1;. LOCK TABLES `regionalcenter` WRITE; INSERT INTO `ignou`.`regionalcenter` VALUES (1,'Jaipur','Mansarovar Jaipur'), (2,'Mumbai','Mulund Mumbai'); UNLOCK TABLES;. DROP TABLE IF EXISTS `ignou`.`student`; CREATE TABLE `ignou`.`student` ( `name` varchar(100) DEFAULT NULL,.
(13) MCSL-054 Solved assignment 2013-14 By Sheel:- [email protected] Write at your own risk. `gender` varchar(6) DEFAULT NULL, `age` int(11) DEFAULT NULL, `address` text, `cid` int(11) DEFAULT NULL, `sid` int(11) DEFAULT NULL, `id` int(11) NOT NULL AUTO_INCREMENT, `sem` int(11) DEFAULT NULL, `rid` int(11) DEFAULT NULL, PRIMARY KEY (`id`) ) ENGINE=MyISAM AUTO_INCREMENT=3 DEFAULT CHARSET=latin1;. LOCK TABLES `student` WRITE; INSERT INTO `ignou`.`student` VALUES ('Meena','Female',25,'Mumbai (MH)',2,2,2,4,2), ('Deepak','Male',25,'Alsisar, Jhunjhunu (Rajasthan)',1,1,1,5,1); UNLOCK TABLES; DROP TABLE IF EXISTS `ignou`.`studycenter`; CREATE TABLE `ignou`.`studycenter` ( `address` text, `sid` int(11) NOT NULL, `sname` varchar(100) DEFAULT NULL, `rid` int(11) DEFAULT NULL, PRIMARY KEY (`sid`) ) ENGINE=MyISAM DEFAULT CHARSET=latin1;. LOCK TABLES `studycenter` WRITE; INSERT INTO `ignou`.`studycenter` VALUES ('Jaipur',1,'IIIM',1), ('Mumbai',2,'ABCD',2); UNLOCK TABLES;. Question 4: Create an XML document for keeping students record in a department of a University. Answer.4 <?xml version=1.0 ?> <student Records> <student Record> <Name> Ajay Mishra</Name>.
(14) MCSL-054 Solved assignment 2013-14 By Sheel:- [email protected] Write at your own risk. <PROGRAMME> MCA </PROGRAMME> <E-No> 063501077</E-No> <Address> H-45 Indira Nagar</Address> <ph-no> 9444444685 </Ph-no> <Student Record> <Name> Shweta Sankhla </Name> <PROGRAMME> MCA </PROGRAMME> <E-NO> 063502656 </E-NO> <ADDRE SS> A-17 Sangam Nagar Indore </ADDRESS> <ph.no> 9958888889 </ph.no> </student record> </student records> Issued.jsp <% @ language=”java” import=”java.co.x” %> <html. <body> <% string b1 = response.getParameter(“a”); Class.for Name(“Com.mysql.jdbc.Driver”); Connection con = drivermanager.getconnetion(“jdbc:mysql://localhost”institute”, “root”, “1234”> Statement st= con.createstatement(); Result rs= st.execute update (“update library set status=”issued” whereBook_title=”” %> Search.jsp <html> <body> <form action=”searchavailable” method=post”> Enter Book name<input type=”text” name=”a”> Search For availability <input type=”submit” value”search for availability”> </form> </body> </html>. PART-II: Lab for MCS-053 (Computer Graphics and Multimedia) Question 1: Write a program in C/C++ using OpenGL to draw a rectangle of red colour inside of a circle of blue colour on a background of orange colour. Answer..
(15) MCSL-054 Solved assignment 2013-14 By Sheel:- [email protected] Write at your own risk. #include <windows.h> #include <gl/glut.h> #include <math.h> const float PI=3.14; void drawCircle(){ glBegin(GL_LINE_LOOP); glColor3f(1.0,0.0,0.0); for(int i =0; i <= 300; i++){ double angle = 2 * PI * i / 300; double x = 5*cos(angle); double y = 5*sin(angle); glVertex2d(x,y); } glEnd(); } void drawRect(){ glColor3f(0.0,0.0,1.0); glRectf(-5.0,5.0,5.0,-5.0); } void init(void){ glClearColor(0.0,1.0,0.0,0.0); glMatrixMode(GL_PROJECTION); glLoadIdentity(); glOrtho(-10.0,10.0,-10.0,10.0,-10.0,10.0); } void display(void) { glClear(GL_COLOR_BUFFER_BIT); drawRect(); drawCircle(); glutSwapBuffers(); } int main(int argc, char** argv){ glutInit(&argc,argv); glutInitDisplayMode(GLUT_DOUBLE|GLUT_RGB); glutInitWindowSize(320,320); glutInitWindowPosition(50,50); glutCreateWindow("2D Shapes"); init(); glutDisplayFunc(display); glutMainLoop();.
(16) MCSL-054 Solved assignment 2013-14 By Sheel:- [email protected] Write at your own risk. return 0; }. Question 2: Write a program in C or C++ to implement Scan-Line Polygon Filling Algorithm. Answer.. typedef struct tEdge { int yUpper; float xIntersect, dxPerScan; struct tEdge * next; } Edge; typedef struct tdcPt { int x; int y; } dcPt; void scanFill (int cnt, dcPt * pts) { Edge * edges[WINDOW_HEIGHT], * active; int i, scan; for (i=0; i<WINDOW_HEIGHT; i++) { edges[i] = (Edge *) malloc (sizeof (Edge)); edges[i]->next = NULL; } buildEdgeList (cnt, pts, edges); active = (Edge *) malloc (sizeof (Edge)); active->next = NULL; for (scan=0; scan<WINDOW_HEIGHT; scan++) { buildActiveList (scan, active, edges); if (active->next) { fillScan (scan, active); updateActiveList (scan, active); resortActiveList (active); } }.
(17) MCSL-054 Solved assignment 2013-14 By Sheel:- [email protected] Write at your own risk. /* Free edge records that have been malloc’ed ... */ } void scanFill (int cnt, dcPt * pts) { Edge * edges[WINDOW_HEIGHT], * active; int i, scan; for (i=0; i<WINDOW_HEIGHT; i++) { edges[i] = (Edge *) malloc (sizeof (Edge)); edges[i]->next = NULL; } buildEdgeList (cnt, pts, edges); active = (Edge *) malloc (sizeof (Edge)); active->next = NULL; for (scan=0; scan<WINDOW_HEIGHT; scan++) { buildActiveList (scan, active, edges); if (active->next) { fillScan (scan, active); updateActiveList (scan, active); resortActiveList (active); } } /* Free edge records that have been malloc’ed ... */ } void buildEdgeList (int cnt, dcPt * pts, Edge * edges[]) { Edge * edge; dcPt v1, v2; int i, yPrev = pts[cnt - 2].y; v1.x = pts[cnt-1].x; v1.y = pts[cnt-1].y; for (i=0; i<cnt; i++) { v2 = pts[i]; if (v1.y != v2.y) { /* nonhorizontal line */ edge = (Edge *) malloc (sizeof (Edge)); if (v1.y < v2.y) /* up-going edge */ makeEdgeRec (v1, v2, yNext (i, cnt, pts), edge, edges); else /* down-going edge */ makeEdgeRec (v2, v1, yPrev, edge, edges); } yPrev = v1.y;.
(18) MCSL-054 Solved assignment 2013-14 By Sheel:- [email protected] Write at your own risk. v1 = v2; } } /* For an index, return y-coordinate of next nonhorizontal line */ int yNext (int k, int cnt, dcPt * pts) { int j; if ((k+1) > (cnt-1)) j = 0; else j = k + 1; while (pts[k].y == pts[j].y) if ((j+1) > (cnt-1)) j = 0; else j++; return (pts[j].y); } void buildEdgeList (int cnt, dcPt * pts, Edge * edges[]) { Edge * edge; dcPt v1, v2; int i, yPrev = pts[cnt - 2].y; v1.x = pts[cnt-1].x; v1.y = pts[cnt-1].y; for (i=0; i<cnt; i++) { v2 = pts[i]; if (v1.y != v2.y) { /* nonhorizontal line */ edge = (Edge *) malloc (sizeof (Edge)); if (v1.y < v2.y) /* up-going edge */ makeEdgeRec (v1, v2, yNext (i, cnt, pts), edge, edges); else /* down-going edge */ makeEdgeRec (v2, v1, yPrev, edge, edges); } } } /* Store lower-y coordinate and inverse slope for each edge. Adjust and store upper-y coordinate for edges that are the lower member of a monotically increasing or decreasing pair of edges */ void makeEdgeRec (dcPt lower, dcPt upper, int yComp, Edge * edge, Edge * edges[]) { edge->dxPerScan =(float) (upper.x - lower.x) / (upper.y - lower.y);.
(19) MCSL-054 Solved assignment 2013-14 By Sheel:- [email protected] Write at your own risk. edge->xIntersect = lower.x; if (upper.y < yComp) edge->yUpper = upper.y - 1; else edge->yUpper = upper.y; insertEdge (edges[lower.y], edge); } /* Inserts edge into list in order of increasing xIntersect field. */ void insertEdge (Edge * list, Edge * edge) { Edge * p, * q = list; p = q->next; while (p != NULL) { if (edge->xIntersect < p->xIntersect) p = NULL; else { q = p; p = p->next; } } edge->next = q->next; q->next = edge; } void scanFill (int cnt, dcPt * pts) { Edge * edges[WINDOW_HEIGHT], * active; int i, scan; for (i=0; i<WINDOW_HEIGHT; i++) { edges[i] = (Edge *) malloc (sizeof (Edge)); edges[i]->next = NULL; } buildEdgeList (cnt, pts, edges); active = (Edge *) malloc (sizeof (Edge)); active->next = NULL; for (scan=0; scan<WINDOW_HEIGHT; scan++) { buildActiveList (scan, active, edges); if (active->next) { fillScan (scan, active); updateActiveList (scan, active); resortActiveList (active);.
(20) MCSL-054 Solved assignment 2013-14 By Sheel:- [email protected] Write at your own risk. } } /* Free edge records that have been malloc’ed ... */ void buildActiveList (int scan, Edge * active, Edge * edges[]) { Edge * p, * q; p = edges[scan]->next; while (p) { q = p->next; insertEdge (active, p); p = q; } } void scanFill (int cnt, dcPt * pts) { Edge * edges[WINDOW_HEIGHT], * active; int i, scan; for (i=0; i<WINDOW_HEIGHT; i++) { edges[i] = (Edge *) malloc (sizeof (Edge)); edges[i]->next = NULL; } buildEdgeList (cnt, pts, edges); active = (Edge *) malloc (sizeof (Edge)); active->next = NULL; for (scan=0; scan<WINDOW_HEIGHT; scan++) { buildActiveList (scan, active, edges); if (active->next) { fillScan (scan, active); updateActiveList (scan, active); resortActiveList (active); } } /* Free edge records that have been malloc’ed ... */ } void fillScan (int scan, Edge * active) { Edge * p1, * p2; int i; p1 = active->next; while (p1) {.
(21) MCSL-054 Solved assignment 2013-14 By Sheel:- [email protected] Write at your own risk. p2 = p1->next; for (i=p1->xIntersect; i<p2->xIntersect; i++) setPixel ((int) i, scan); p1 = p2->next; } } void scanFill (int cnt, dcPt * pts) { Edge * edges[WINDOW_HEIGHT], * active; int i, scan; for (i=0; i<WINDOW_HEIGHT; i++) { edges[i] = (Edge *) malloc (sizeof (Edge)); edges[i]->next = NULL; } buildEdgeList (cnt, pts, edges); active = (Edge *) malloc (sizeof (Edge)); active->next = NULL; for (scan=0; scan<WINDOW_HEIGHT; scan++) { buildActiveList (scan, active, edges); if (active->next) { fillScan (scan, active); updateActiveList (scan, active); resortActiveList (active); } } /* Free edge records that have been malloc’ed ... */ } /* Delete completed edges. Update ’xIntersect’ field for others */ void updateActiveList (int scan, Edge * active) { Edge * q = active, * p = active->next; while (p) if (scan >= p->yUpper) { p = p->next; deleteAfter (q); } else { p->xIntersect = p->xIntersect + p->dxPerScan; q = p; p = p->next;.
(22) MCSL-054 Solved assignment 2013-14 By Sheel:- [email protected] Write at your own risk. } } void deleteAfter (Edge * q) { Edge * p = q->next; q->next = p->next; free (p); } void scanFill (int cnt, dcPt * pts) { Edge * edges[WINDOW_HEIGHT], * active; int i, scan; for (i=0; i<WINDOW_HEIGHT; i++) { edges[i] = (Edge *) malloc (sizeof (Edge)); edges[i]->next = NULL; } buildEdgeList (cnt, pts, edges); active = (Edge *) malloc (sizeof (Edge)); active->next = NULL; for (scan=0; scan<WINDOW_HEIGHT; scan++) { buildActiveList (scan, active, edges); if (active->next) { fillScan (scan, active); updateActiveList (scan, active); resortActiveList (active); } } /* Free edge records that have been malloc’ed ... */ } void resortActiveList (Edge * active) { Edge * q, * p = active->next; active->next = NULL; while (p) { q = p->next; insertEdge (active, p); p = q; } }.
(23) MCSL-054 Solved assignment 2013-14 By Sheel:- [email protected] Write at your own risk. Question 3: Write a program in C or C++ to implement Cyrus Beck line clipping algorithm. Answer. // Cyrus-Beck Line Clipping algorithm struct Point2D { float x,y; } const int MAXP = 100; struct Polygon { int nPoints; Point2D v[MAXP]; } const int MAXN = 100; typedef Point2D Normal[MAXN]; void CalcNormals (Polygon p, Normal & n) { int i,j,k; point2D v; for (i = 0; i < p.nPoints; i++) { j = (i+1)%p.nPoints; k = (i+2)%p.nPoints; // make vector be -1/mI + 1J n[i].x = -(p.v[j].y - p.v[i].y)/(p.v[j].x - p.v[i].x); n[i].y = 1.0; v.x = p.v[k].x - p.v[i].x; v.y = p.v[k].y - p.v[i].y; if (DotProduct (n[i],v) > 0) // inner normal { n[i].x *= -1; n[i].y = -1; } } } float DotProduct (Point2D v1, Point2D v2) { return v1.x*v2.x + v1.y*v2*y; } void CBClip (Point2D p1, Point2D p2, Normal n, Polygon p, Boolean & visible, Point2D & rp, Point2D & q) { float t1,t2,t,num,den; Point2D dirV,F; // vectors int I; t1 = 0.0; t2 = 1.0; // compute the direction vector dirV.x = p2.x - p1.x; dirV.y = p2.y - p1.y; visible = TRUE; i = 0; while ( (i < p.nPoints) && visible) { F.x = p1.x - p.v[i].x;.
(24) MCSL-054 Solved assignment 2013-14 By Sheel:- [email protected] Write at your own risk F.y = p1.y - p.v[i].y; num den. = DotProduct (n[i],F); = DotProduct (n[i],dirV);. if (den == 0.0) // Parallel or Point { if (num > 0.0) visible = FALSE; // Parallel and outside or point (p1 == p2) and outside } else { t = -(num/den); if (den < 0.0) // entering { if (t <= 1.0) if (t > t1) t1 = t; } else if ( t >= 0.0) //exiting if (t < t2) t2 = t; } i++; } if ( t1 <= t2) { rp.x = p1.x + t1*dirV.x; rp.y = p1.y + t1*dirV.y; q.x = p1.x + t2.dirV.x q.y = p1.y + t2*dirV.y } else visible = FALSE; }. Question 4: Write a program in C/C++ using OpenGL to draw a hard wire diagram as shown in figure given below. Answer.. Int main (int arg c , char ** arg v ) { glvtInit ( & arg c, arg v); glvInit Window Size ( 320, 320 ); glvInit Window Position ( 60, 60 ); glvInit Create Window ( “ 2 D Shapes”); glvInit Display Func ( display); init GL(); glvertex 3f (-1. 0 f, - 0.5 f, - 4.0f); glvertex 3f (1. 0 f, - 0.5 f, - 4.0f); glvertex 3f (0. 0 f, - 0.5 f, - 4.0f); glvertex 3f (0. 0 f, - 0.9 f, - 4.0f);.
(25) MCSL-054 Solved assignment 2013-14 By Sheel:- [email protected] Write at your own risk. glvertex 3f (1. 0 f, - 0.0f, 0.0f); glvertex 2f (-1. 8 f, - 0.1f ); glvertex 2f (-1. 2 f, - 0.1f ); glvertex 2f (-1. 2 f, - 0.7f ); glvertex 2f (-1. 8 f, - 0.7f ); glvertex 2f (-3.0 f, s.of, 2.9f ); glEnd ( ); }. Question 5: Write a program in C/C++ using OpenGL to implement Sutherland Hodgman polygon clipping algorithm to clip the following polygon against the rectangular window as given below. Make suitable assumptions.. Answer. #include <windows.h> #include <gl/glut.h> struct Point{ float x,y; } w[4],oVer[4]; int Nout; void drawPoly(Point p[],int n){ glBegin(GL_POLYGON); for(int i=0;i<n;i++) glVertex2f(p[i].x,p[i].y); glEnd(); } bool insideVer(Point p){ if((p.x>=w[0].x)&&(p.x<=w[2].x)) if((p.y>=w[0].y)&&(p.y<=w[2].y)) return true; return false; } void addVer(Point p){ oVer[Nout]=p; Nout=Nout+1; } Point getInterSect(Point s,Point p,int edge){.
(26) MCSL-054 Solved assignment 2013-14 By Sheel:- [email protected] Write at your own risk. Point in; float m; if(w[edge].x==w[(edge+1)%4].x){ //Vertical Line m=(p.y-s.y)/(p.x-s.x); in.x=w[edge].x; in.y=in.x*m+s.y; } else{//Horizontal Line m=(p.y-s.y)/(p.x-s.x); in.y=w[edge].y; in.x=(in.y-s.y)/m; } return in; } void clipAndDraw(Point inVer[],int Nin){ Point s,p,interSec; for(int i=0;i<4;i++) { Nout=0; s=inVer[Nin-1]; for(int j=0;j<Nin;j++) { p=inVer[j]; if(insideVer(p)==true){ if(insideVer(s)==true){ addVer(p); } else{ interSec=getInterSect(s,p,i); addVer(interSec); addVer(p); } } else{ if(insideVer(s)==true){ interSec=getInterSect(s,p,i); addVer(interSec); } } s=p; } inVer=oVer; Nin=Nout; }.
(27) MCSL-054 Solved assignment 2013-14 By Sheel:- [email protected] Write at your own risk. drawPoly(oVer,4); } void init(){ glClearColor(0.0f,0.0f,0.0f,0.0f); glMatrixMode(GL_PROJECTION); glLoadIdentity(); glOrtho(0.0,100.0,0.0,100.0,0.0,100.0); glClear(GL_COLOR_BUFFER_BIT); w[0].x =20,w[0].y=10; w[1].x =20,w[1].y=80; w[2].x =80,w[2].y=80; w[3].x =80,w[3].y=10; } void display(void){ Point inVer[4]; init(); // As Window for Clipping glColor3f(1.0f,0.0f,0.0f); drawPoly(w,4); // As Rect glColor3f(0.0f,1.0f,0.0f); inVer[0].x =10,inVer[0].y=40; inVer[1].x =10,inVer[1].y=60; inVer[2].x =60,inVer[2].y=60; inVer[3].x =60,inVer[3].y=40; drawPoly(inVer,4); // As Rect glColor3f(0.0f,0.0f,1.0f); clipAndDraw(inVer,4); // Print glFlush(); } int main(int argc,char *argv[]){ glutInit(&argc,argv); glutInitDisplayMode(GLUT_SINGLE|GLUT_RGB); glutInitWindowSize(400,400); glutInitWindowPosition(100,100); glutCreateWindow("Polygon Clipping!"); glutDisplayFunc(display); glutMainLoop(); return 0;.
(28) MCSL-054 Solved assignment 2013-14 By Sheel:- [email protected] Write at your own risk. For More Ignou Solved Assignments Please Visit - www.ignousolvedassignments.com Connect on Facebook : http://www.facebook.com/pages/IgnouSolvedAssignmentscom/346544145433550 Subscribe and Get Solved Assignments Direct to your Inbox : http://feedburner.google.com/fb/a/mailverify?uri=ignousolvedassignments_com.
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