在BLOCK上创建一个简单孔

	UF_FEATURE_SIGN sign = UF_NULLSIGN;double block_orig[3] = { -25.0,-25.0,0.0 };char* block_len[3] = { "50","50","30" };tag_t blk_obj;UF_MODL_create_block1(sign, block_orig, block_len, &blk_obj);tag_t body_obj_id;UF_MODL_ask_feat_body(blk_obj, &body_obj_id);//获取特征所在体uf_list_p_t face_list;UF_MODL_create_list(&face_list);UF_MODL_ask_feat_faces(blk_obj, &face_list);int facecount;UF_MODL_ask_list_count(face_list, &facecount);tag_t placement_face = NULL_TAG;tag_t thru_face= NULL_TAG;for (int i = 0; i < facecount; i++){tag_t face_obj_id;UF_MODL_ask_list_item(face_list, i, &face_obj_id);int type = 0;double point[3] = { 0 };double dir[3];double box[6];double radius;double rad_data;int norm_dir;UF_MODL_ask_face_data(face_obj_id, &type, point, dir, box, &radius, &rad_data, &norm_dir);if (type == 22){if ((dir[0] == 0.0) && (dir[1] == 0.0) && (dir[2] == 1.0)){               placement_face = face_obj_id;}}}UF_OBJ_set_color(placement_face, 100);double location[3] = { 0, 0, 30 };double direction1[3] = { 0, 0, -1 };char* diame = "20";char* depth = "10";char* angle = "120";tag_t hole_tag;UF_MODL_create_simple_hole(location, direction1, diame, depth, angle,placement_face, thru_face, &hole_tag);