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标题: UF_CSYS_create_matrix第一个参数传递无效？？ [打印本页]

作者: sunmz_wjxy 时间: 2010-11-2 15:35
标题: UF_CSYS_create_matrix第一个参数传递无效？？
base_face是为指定的一个面,下面的这个错误我怀疑是不是指定的这个面本身就有问题？？？？
这个问题很急，希望高手帮忙！！

error = UF_MODL_ask_face_uv_minmax( base_face,uvs ); // 得到指定面的U和V
/*printf("Error from Asking uv minmax = %i\n",error);*/
   if ( error != 0 )
   {
      UF_OBJ_set_blank_status( steels[cnt],UF_OBJ_NOT_BLANKED );          /* Unblank the steel */
//UF_get_fail_message ( error,message );
      sprintf( box_message,"Error Asking UV Parameters for Steel %s - steel skipped",object_name );
      uc1601( box_message,1 );
      goto donewithsteel;
   }

   params[0] = ( uvs[0] + uvs[1] ) / 2;                   /* Set params to find face midpoint */
   params[1] = ( uvs[2] + uvs[3] ) / 2;

   error = UF_MODL_ask_face_props( base_face,params,face_point,       /* Get face properties */
                                    vec1,junk,junk,junk,vec3,junk );
//printf("Error from Asking face properties = %i\n",error);
printf("Face point = X%lf  Y%lf  Z%lf\n",face_point[0],face_point[1],face_point[2]);    // 值是：X242.970668  Y1387.556782  Z645.000000
printf("vec1 = I%lf  J%lf  K%lf\n",vec1[0],vec1[1],vec1[2]); // 值是：  I573.576436 J819.152044  K0.000000
printf("vec3 = I%lf  J%lf  K%lf\n",vec3[0],vec3[1],vec3[2]); // 值是：I0.000000  J0.000000  K-1.000000
   if ( error != 0 )
   {
      UF_OBJ_set_blank_status( steels[cnt],UF_OBJ_NOT_BLANKED );          /* Unblank the steel */
//UF_get_fail_message ( error,message );
      sprintf( box_message,"Error Asking Face Props for Steel %s - Steel Skipped",object_name );
      uc1601( box_message,1 );
      goto donewithsteel;
   }

   UF_VEC3_cross( vec3,vec1,vec2 );  // 看不懂这句话？？？？如何计算的vec2 ??

   error = UF_VEC3_unitize( vec1,modl_tol,&magnitude,&matrix9[0] ); // 得到matrix9[0],matrix9[1],matrix9[2]的值
   if ( error != 0 )
   {
      UF_OBJ_set_blank_status( steels[cnt],UF_OBJ_NOT_BLANKED );          /* Unblank the steel */
//UF_get_fail_message ( error,message );
      sprintf( box_message,"Error Unitizing Vector 1 for Steel %s - Steel Skipped",object_name );
      uc1601( box_message,1 );
      goto donewithsteel;
   }

   error = UF_VEC3_unitize( vec2,modl_tol,&magnitude,&matrix9[3] );//得到matrix9[3],matrix9[4],matrix9[5]的值
   if ( error != 0 )
   {
      UF_OBJ_set_blank_status( steels[cnt],UF_OBJ_NOT_BLANKED );          /* Unblank the steel */
//UF_get_fail_message ( error,message );
      sprintf( box_message,"Error Unitizing Vector 2 for Steel %s - Steel Skipped",object_name );
      uc1601( box_message,1 );
      goto donewithsteel;
   }

   UF_VEC3_copy( vec3,&matrix9[6] );// 得到matrix9[6],matrix9[7],matrix9[8]的值
//
  matrix9[0] = 1;matrix9[1] = 0;matrix9[2] = 0;
//
  matrix9[3] = 0;matrix9[4] = 1;matrix9[5] = 0;
//
  matrix9[6] = 0;matrix9[7] = 0;matrix9[8] = 1;

printf("matrix9 = %lf  %lf  %lf\n",matrix9[0],matrix9[1],matrix9[2]);  // 0.573576 0.819152 0.000000
printf("matrix9 = %lf  %lf  %lf\n",matrix9[3],matrix9[4],matrix9[5]); //  0.819152 -0.573576 0.000000
printf("matrix9 = %lf  %lf  %lf\n",matrix9[6],matrix9[7],matrix9[8]); //  0.000000 0.000000 -1.000000

   error = UF_CSYS_create_matrix( matrix9,&mtx_tag ); //在这里出错，错误消息是:第一个参数传递无效？    /* Create matrix tag for new CSYS */
   if ( error != 0 )
   {
      UF_OBJ_set_blank_status( steels[cnt],UF_OBJ_NOT_BLANKED );          /* Unblank the steel */

UF_get_fail_message ( error,message );
      sprintf( box_message,"Error Creating CSYS Matrix for Steel %s - Steel Skipped",object_name );
      uc1601( box_message,1 );
      goto donewithsteel;
   }

   error = UF_CSYS_create_csys( face_point,mtx_tag,&csys_tag );          /* Create new CSYS */
   if ( error != 0 )
   {
      UF_OBJ_set_blank_status( steels[cnt],UF_OBJ_NOT_BLANKED );          /* Unblank the steel */
//UF_get_fail_message ( error,message );
      sprintf( box_message,"Error Creating CSYS for Steel %s - Steel Skipped",object_name );
      uc1601( box_message,1 );
      goto donewithsteel;
   }

作者: zjs 时间: 2010-11-2 22:35
Matrix values -- should be normalized and orthogonal. Use UF_MTX3_initialize to
这个矩阵必需单位化，并且是正交矩阵

作者: sunmz_wjxy 时间: 2010-11-3 09:28
请问在上面这份代码的什么地方添加上UF_MTX3_initialize以实现矩陈的单位化？？？
能否帮我修改一下这个代码，我很急！！！！

作者: zjs 时间: 2010-11-3 11:28
将matrix9 改为：
1，0，0
0，1，0
0，0，1
试试，你就可以发现问题了。
工作还是需要自己动手。

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