方法1：通过判断相邻面公共边的光顺性来找相切面
1 #include <uf.h>
2 #include <uf_modl.h>
3 #include <uf_obj.h>
4
5
6 UF_initialize();
7
8
9 //获取面的所有边
10 uf_list_p_t edge_list;
11 UF_MODL_ask_face_edges(42084, &edge_list);
12
13 //获取链表的数量
14 int count;
15 UF_MODL_ask_list_count(edge_list, &count);
16
17 for (int i = 0; i < count; i++)
18 {
19 //获取链表里的tag
20 tag_t EdgeTag = NULL_TAG;
21 UF_MODL_ask_list_item(edge_list, i, &EdgeTag);
22
23 //获取边的光顺性
24 logical is_smooth;
25 UF_MODL_ask_edge_smoothness(EdgeTag, 0, &is_smooth);
26
27 if (is_smooth == true)
28 {
29 //边找面
30 uf_list_p_t face_list;
31 UF_MODL_ask_edge_faces(EdgeTag, &face_list);
32
33 //获得链表数量
34 int face_count;
35 UF_MODL_ask_list_count(face_list, &face_count);
36 for (int j = 0; j < face_count; j++)
37 {
38 //获取链表里的tag
39 tag_t FaceTag = NULL_TAG;
40 UF_MODL_ask_list_item(face_list, j, &FaceTag);
41
42 //设置颜色
43 UF_OBJ_set_color(FaceTag, 186);
44 }
45 }
46
47 }
48
49
50 UF_terminate();
方法2：使用NXOPEN相切面方法
1 #include <uf_defs.h>
2 #include <uf_ui_types.h>
3 #include <iostream>
4 #include <NXOpen/Session.hxx>
5 #include <NXOpen/UI.hxx>
6 #include <NXOpen/NXMessageBox.hxx>
7 #include <NXOpen/Callback.hxx>
8 #include <NXOpen/NXException.hxx>
9 #include <NXOpen/BlockStyler_UIBlock.hxx>
10 #include <NXOpen/BlockStyler_BlockDialog.hxx>
11 #include <NXOpen/BlockStyler_PropertyList.hxx>
12 #include <NXOpen/BlockStyler_Group.hxx>
13 #include <NXOpen/BlockStyler_FaceCollector.hxx>
14 #include <uf.h>
15 #include <uf_obj.h>
16 #include <NXOpen/NXObjectManager.hxx>
17 #include <NXOpen/PartCollection.hxx>
18 #include <NXOpen/Face.hxx>
19 #include <NXOpen/FaceTangentRule.hxx>
20 #include <NXOpen/ScCollectorCollection.hxx>
21 #include <NXOpen/ScRuleFactory.hxx>
22
23
24 UF_initialize();
25
26 //NXOPEN初始化
27 NXOpen::Session *theSession = NXOpen::Session::GetSession();
28 NXOpen::Part *workPart(theSession->Parts()->Work());
29 NXOpen::Part *displayPart(theSession->Parts()->Display());
30
31 //选择面控件
32 PropertyList* FaceSelectProps = face_select0->GetProperties();
33 std::vector<NXOpen::TaggedObject*> faces = FaceSelectProps->GetTaggedObjectVector("SelectedObjects");
34 delete FaceSelectProps;
35 FaceSelectProps = NULL;
36
37 tag_t FaceTag = faces[0]->Tag();
38
39 //对选中的面设置颜色
40 UF_OBJ_set_color(FaceTag, 186);
41
42 //给入一个面
43 NXOpen::Face *face1(dynamic_cast<NXOpen::Face *>(NXOpen::NXObjectManager::Get(FaceTag)));
44
45 //使用NXOPEN相切面规则
46 std::vector<NXOpen::Face *> boundaryFaces1(0);
47 NXOpen::FaceTangentRule *faceTangentRule1;
48 faceTangentRule1 = workPart->ScRuleFactory()->CreateRuleFaceTangent(face1, boundaryFaces1, 0.050000000000000003);
49 std::vector<NXOpen::SelectionIntentRule *> rules1(1);
50 rules1[0] = faceTangentRule1;
51
52 NXOpen::ScCollector* scCollector1 = workPart->ScCollectors()->CreateCollector();
53 scCollector1->ReplaceRules(rules1, false);
54
55 std::vector<NXOpen::TaggedObject*> BB = scCollector1->GetObjects();
56 for (int i = 0; i < BB.size(); i++)
57 {
58 UF_OBJ_set_color(BB[i]->Tag(), 1);
59 }
60
61 UF_terminate();