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### P9: WAP to... (Redone, Better Way)

posted Feb 23, 2012, 7:59 AM by Neil Mathew   [ updated Feb 23, 2012, 8:03 AM ]
 Note: This Scaling method can be used for all polygons. SOURCE CODE:```1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 #include #include #include   int n; int P[3][10]; int P2[3][10];   int S[3][3]; int Sx,Sy;   void INPUT() {   cout<<"\n For Polygon where No of edges (>3) = "; cin>>n;   cout<<"\n Enter the coordinates of "<>P[0][i]>>P[1][i]; P[2][i]=1; }   cout<<"\n Enter the Scaling Factors:"; cout<<"\n for X axis: "; cin>>Sx; cout<<" for Y axis: "; cin>>Sy; }     void Scaling() {   // S[3][3] : Scaling MATRIX // P[3][n] : 3 x n MATRIX // P2[3][n] : Final MATRIX   //Scaling Matrix: //1st - making the identity Matrix for(int i=0; i<3; i++) { for(int j=0; j<3; j++) {         if(i==j)     //DIAGONAL         S[i][j] = 1;         else         S[i][j] = 0; } } //2nd - making changes S[0][0] = Sx; S[1][1] = Sy;     // Matrix Multiplication // S(3x3)  x  P(3xN)   for(i=0; i<3; i++) { for(int j=0; j