[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fOUnAY-Y_Az-C47cLNBH41bdVabj119GTIPKBLoCUyBo":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":95},[],"2023-06-02 22:17:38",42966475,[8,9,10,11],"平移变换不改变图形大小和形状,只改变图形位置","错切变换虽然可引起图形角度的改变,但不会发生图形畸变","拓扑关系不变的几何变换不改变图形的连接关系和平行关系","旋转变换后各图形部分间的线性关系和角度关系不变,变换后直线的长度不变",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},9,"21a5c4542f00625b7f622345ac6b72a9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fb682023ac4fabf517582311f35c7db7a.gif","计算机图形学","6b68ca2da1934bf48d7dbff0a43fb50a","第5章测验","以下关于图形变换的论述那些是正确的",[21,32,41,50,59,65,74,83,92],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],42966467,[25,26,27,28],"1","2","3","4","在(9)中,均匀的整体放大变换对应的矩阵元素的非零非1个数是","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],42966468,[36,37,38,39],"图形放大2倍","图形放大2倍,同时沿X、Y坐标轴方向各移动1个绘图单位","沿X坐标轴方向各移动2个绘图单位","沿X坐标轴方向放大2倍,同时沿X、Y坐标轴方向各平移1个绘图单位","使用下列二维图形变换矩阵:\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F50eee17d4dbb783cf885b07965c1dd1b.png\">变换",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":30,"type":31},[],42966469,[45,46,47,48],"S和P均在可见的一侧,则输出点P","S和P均在不可见的一侧,则输出0个顶点","S在可见一侧,P在不可见一侧,则输出线段SP与裁剪线的交点和点S","S在不可见的一侧,P在可见的一侧,则输出线段SP与裁剪线的交点和P","在多边形的逐边裁剪法中,对于某条多边形的边(方向为从端点S到端点P)与某条裁剪线(窗口的某一边)的比较结果共有以下四种情况,分别需输出一些顶点.请问哪种情况下输出的顶点是错误的? ( )",{"answer":51,"createTime":5,"id":52,"options":53,"question":58,"source":30,"type":31},[],42966470,[54,55,56,57],"Ni·(P2-P1)<0","Ni·(P2-P1)> 0","Ni·(P2-P1) ≠0","Ni·(P2-P1)=0","凸多边形窗口的二维线裁剪Cyrus-Beck算法中,若( ),说明P1P2与第i条边平行",{"answer":60,"createTime":5,"id":61,"options":62,"question":49,"source":30,"type":31},[],42966471,[63,46,64,48],"S和P均在可见的一侧,则输出S和P","S在可见一侧,P在不可见一侧,则输出线段SP与裁剪线的交点",{"answer":66,"createTime":5,"id":67,"options":68,"question":73,"source":30,"type":31},[],42966472,[69,70,71,72],"图形放大3倍","图形放大3倍,同时沿X、Y坐标轴方向各移动3个绘图单位","沿X坐标轴方向各移动3个绘图单位","沿X坐标轴方向放大3倍,同时沿X、Y坐标轴方向各平移3个绘图单位","使用下列二维图形变换矩阵,将产生变换的结果为3 0 00 1 03 3 1",{"answer":75,"createTime":5,"id":76,"options":77,"question":82,"source":30,"type":31},[],42966473,[78,79,80,81],"MP与给定的某条直线夹角变化值为3π","MP与给定的某条直线夹角变化值为2π","MP与给定的某条直线夹角变化值为π","MP与给定的某条直线夹角变化值为0","用转角法判别点在区域的内外.将疑点M与边界上一点P连接,当P沿边界移动一周时,M点处于区域外的是",{"answer":84,"createTime":5,"id":85,"options":86,"question":91,"source":30,"type":31},[],42966474,[87,88,89,90],"(8,-6)","(-6,8)","(-8,6)","(6,-8)","使用二维图形变换矩阵, 如果图形的一个顶点坐标为A(6,8),则变换后的坐标A' 为 ( )0 -1 01 0 00 0 1",{"answer":93,"createTime":5,"id":6,"options":94,"question":19,"source":30,"type":95},[],[8,9,10,11],1]