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标题: 请问IGS文件中平面(108)各参数的意义 [打印本页]

作者: roson007 时间: 2008-10-16 10:02
标题: 请问IGS文件中平面(108)各参数的意义
108,-1.0,0.0,0.0,20.0,0,-20.0,20.0,0.0,1.0,0,0;                      1P    1
110,-20.0,20.0,10.0,-20.0,-30.0,10.0,0,0;                            3P    2
110,-20.0,-30.0,10.0,-20.0,-30.0,0.0,0,0;                            5P    3
110,-20.0,-30.0,0.0,-20.0,20.0,0.0,0,0;                               7P    4
110,-20.0,20.0,0.0,-20.0,20.0,10.0,0,0;                               9P    5
102,4,3,5,7,9,0,0;                                                 11P    6
142,0,1,0,11,2,0,0;                                                 13P    7
这是4点平面  108那行各参数的意义  谢谢  急用！

108,0.0,0.0,1.0,0.0,0,0.0,0.0,0.0,1.0,0,0;                         49P    29
110,-30.0,-20.0,0.0,30.0,-20.0,0.0,0,0;                            51P    30
110,30.0,-20.0,0.0,1.776356839E-015,31.926,0.0,0,0;                53P    31
110,1.776356839E-015,31.926,0.0,-30.0,-20.0,0.0,0,0;                55P    32
102,3,51,53,55,0,0;                                                 57P    33
142,0,49,0,57,2,0,0;                                                 59P    34
144,49,1,0,59,0,0;                                                 61P    35
3个点平面

108,0.0,0.0,1.0,0.0,0,0.0,0.0,0.0,1.0,0,0;                         81P    46
110,40.0,20.0,0.0,20.0,40.0,0.0,0,0;                               83P    47
110,20.0,40.0,0.0,-10.0,20.0,0.0,0,0;                               85P    48
110,-10.0,20.0,0.0,10.0,-10.0,0.0,0,0;                               87P    49
110,10.0,-10.0,0.0,30.0,-1.776356839E-015,0.0,0,0;                   89P    50
110,30.0,-1.776356839E-015,0.0,40.0,20.0,0.0,0,0;                   91P    51
102,5,83,85,87,89,91,0,0;                                           93P    52
142,0,81,0,93,2,0,0;                                                 95P    53
144,81,1,0,95,0,0;                                                 97P    54
5个点平面

108 平面个参数的含义就是没搞明白

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