最佳答案:盖梁中心(X0,YO),盖梁宽度D,盖梁长度L,该盖梁路线方位角A,路线与盖梁的右夹角a,所求盖梁一角点(X,Y)右前角:X=X0+D/2*cosA+L/2*cos(A+a),Y=Y0+D/2*sin
盖梁中心(X0,YO),盖梁宽度D,盖梁长度L,该盖梁路线方位角A,路线与盖梁的右夹角a,所求盖梁一角点(X,Y)
右前角:X=X0+D/2*cosA+L/2*cos(A+a),Y=Y0+D/2*sinA+L/2*sin(A+a)
右后角:X=X0+D/2*cos(A+180)+L/2*cos(A+a),Y=Y0+D/2*sin(A+180)+L/2*sin(A+a)
左前角:X=X0+D/2*cosA+L/2*cos(A-a-90),Y=Y0+D/2*sinA+L/2*sin(A-a-90)
左后角:X=X0+D/2*cos(A+180)+L/2*cos(A-a-90),Y=Y0+D/2*sin(A+180)+L/2*sin(A-a-90)
正前角:X=X0+D/2*cosA,Y=Y0+D/2*sinA
正后角:X=X0+D/2*cos(A+180,Y=Y0+D/2*sin(A+180)