已知体的最大尺寸在一堆实体里面找这个体

 1         double XX = expression0->Value();
 2         double YY     = expression01->Value();
 3         double ZZ     = expression02->Value();
 4 
 5         UF_initialize();
 6         tag_t ObjectTag = NULL_TAG;
 7         int Type, SubType, pp = 0;
 8         UF_OBJ_cycle_objs_in_part(UF_PART_ask_display_part(), UF_solid_type, &ObjectTag);
 9         UF_LAYER_set_status(1, 1);
10         while (ObjectTag != NULL_TAG)
11         {
12             UF_OBJ_set_blank_status(ObjectTag, UF_OBJ_BLANKED);
13             UF_OBJ_ask_type_and_subtype(ObjectTag, &Type, &SubType);
14             if (SubType == UF_solid_body_subtype)
15             {
16                 //测量
17                 double min_corner[3] = { 0,0,0 };
18                 double directions[3][3];
19                 double distances[3] = { 0,0,0 };
20                 UF_MODL_ask_bounding_box_exact(
21                     ObjectTag,    //输入实体
22                     NULL_TAG,      //输入坐标 【NULL_TAG=默认工作坐标】
23                     min_corner,    //输出 x,y,z 最小值【最小坐标】
24                     directions,    //输出 边界框的方向向量
25                     distances);    //输出 大小
26                 if (        distances[0] <= XX + 0.1&&distances[0] >= XX - 0.1     && distances[1] <= YY + 0.1&&distances[1] >= YY - 0.1    && distances[2] <= ZZ + 0.1&&distances[2] >= ZZ - 0.1        ||
27                         distances[0] <= YY + 0.1&&distances[0] >= YY - 0.1     && distances[1] <= ZZ + 0.1&&distances[1] >= ZZ - 0.1    && distances[2] <= XX + 0.1&&distances[2] >= XX - 0.1    ||
28                         distances[0] <= ZZ + 0.1&&distances[0] >= ZZ - 0.1     && distances[1] <= XX + 0.1&&distances[1] >= XX - 0.1    && distances[2] <= YY + 0.1&&distances[2] >= YY - 0.1    ||
29                         distances[0] <= ZZ + 0.1&&distances[0] >= ZZ - 0.1     && distances[1] <= YY + 0.1&&distances[1] >= YY - 0.1    && distances[2] <= XX + 0.1&&distances[2] >= XX - 0.1    ||
30                         distances[0] <= XX + 0.1&&distances[0] >= XX - 0.1     && distances[1] <= ZZ + 0.1&&distances[1] >= ZZ - 0.1    && distances[2] <= YY + 0.1&&distances[2] >= YY - 0.1    ||
31                         distances[0] <= YY + 0.1&&distances[0] >= YY - 0.1     && distances[1] <= XX + 0.1&&distances[1] >= XX - 0.1    && distances[2] <= ZZ + 0.1&&distances[2] >= ZZ - 0.1
32                     )        
33                 {
34                     UF_OBJ_set_blank_status(ObjectTag, UF_OBJ_NOT_BLANKED);
35                     pp++;
36                 }
37             }
38             UF_OBJ_cycle_objs_in_part(UF_PART_ask_display_part(), UF_solid_type, &ObjectTag);
39         }
40         if (pp)
41         {
42             char msg[256];
43             sprintf(msg, "找到%d个体！", pp);
44             uc1601(msg, 1);
45         }
46         else
47         {
48             uc1601("没有找到！", 1);
49         }
50         UF_terminate();

 1 #include <uf.h>
 2 #include <uf_ui.h>
 3 #include <uf_obj.h>
 4 #include <uf_modl_primitives.h>
 5 #include <uf_csys.h>
 6 #include <uf_layer.h>
 7 #include <uf_object_types.h>
 8 #include <uf_modl_utilities.h>
 9 #include <uf_part.h>
10 #include <uf_modl.h>
11 #include <uf_group.h>
12 #include <uf_ui.h>
13 #include <uf_layer.h>
14 #include <uf_obj.h>
15 #include <uf_object_types.h>
16 #include <uf_defs.h>