NX-二次开发UFUN在面上创建等参数曲线UF_MODL_create_isocurve

本实例非博主原创，是从大神的视频课程中学习的。

• 版本：

NX9+VS2012

• 演示：

• 源代码：

//CreateRunnerLine

// Mandatory UF Includes
#include <uf.h>
#include <uf_object_types.h>

// Internal Includes
#include <NXOpen/ListingWindow.hxx>
#include <NXOpen/NXMessageBox.hxx>
#include <NXOpen/UI.hxx>

// Internal+External Includes
#include <NXOpen/Annotations.hxx>
#include <NXOpen/Assemblies_Component.hxx>
#include <NXOpen/Assemblies_ComponentAssembly.hxx>
#include <NXOpen/Body.hxx>
#include <NXOpen/BodyCollection.hxx>
#include <NXOpen/Face.hxx>
#include <NXOpen/Line.hxx>
#include <NXOpen/NXException.hxx>
#include <NXOpen/NXObject.hxx>
#include <NXOpen/Part.hxx>
#include <NXOpen/PartCollection.hxx>
#include <NXOpen/Session.hxx>

//头文件
#include <uf.h>
#include <uf_ui.h>
#include <uf_modl.h>

// Std C++ Includes
#include <iostream>
#include <sstream>

using namespace NXOpen;
using std::string;
using std::exception;
using std::stringstream;
using std::endl;
using std::cout;
using std::cerr;


//------------------------------------------------------------------------------
// NXOpen c++ test class 
//------------------------------------------------------------------------------
class MyClass
{
    // class members
public:
    static Session *theSession;
    static UI *theUI;

    MyClass();
    ~MyClass();

    void do_it();
    void print(const NXString &);
    void print(const string &);
    void print(const char*);

private:
    Part *workPart, *displayPart;
    NXMessageBox *mb;
    ListingWindow *lw;
    LogFile *lf;
};

//------------------------------------------------------------------------------
// Initialize static variables
//------------------------------------------------------------------------------
Session *(MyClass::theSession) = NULL;
UI *(MyClass::theUI) = NULL;

//------------------------------------------------------------------------------
// Constructor 
//------------------------------------------------------------------------------
MyClass::MyClass()
{

    // Initialize the NX Open C++ API environment
    MyClass::theSession = NXOpen::Session::GetSession();
    MyClass::theUI = UI::GetUI();
    mb = theUI->NXMessageBox();
    lw = theSession->ListingWindow();
    lf = theSession->LogFile();

    workPart = theSession->Parts()->Work();
    displayPart = theSession->Parts()->Display();
    
}

//------------------------------------------------------------------------------
// Destructor
//------------------------------------------------------------------------------
MyClass::~MyClass()
{
}

//------------------------------------------------------------------------------
// Print string to listing window or stdout
//------------------------------------------------------------------------------
void MyClass::print(const NXString &msg)
{
    if(! lw->IsOpen() ) lw->Open();
    lw->WriteLine(msg);
}
void MyClass::print(const string &msg)
{
    if(! lw->IsOpen() ) lw->Open();
    lw->WriteLine(msg);
}
void MyClass::print(const char * msg)
{
    if(! lw->IsOpen() ) lw->Open();
    lw->WriteLine(msg);
}


static int init_proc(UF_UI_selection_p_t select, void* user_data)
{
    int errorCode = 0;
    int num_triples = 1;
    UF_UI_mask_t mask_triples[1] = { {UF_face_type, 0, 0}//定义选择面类型
    };
    errorCode = UF_UI_set_sel_mask(select, 
        UF_UI_SEL_MASK_CLEAR_AND_ENABLE_SPECIFIC,
        num_triples,
        mask_triples);
    if (errorCode == 0)
    {
        return UF_UI_SEL_SUCCESS;
    }
    else
    {
        return UF_UI_SEL_FAILURE;
    }
}


//------------------------------------------------------------------------------
// Do something
//------------------------------------------------------------------------------
void MyClass::do_it()
{

    // TODO: add your code here
    
L10:

    //打开单对象选择对话框
    char sCue[] = "请选择实体的流道面";
    char sTitle[] = "选择流道面";
    int iScope = UF_UI_SEL_SCOPE_WORK_PART;
    int iResponse = 0;
    tag_t tObject = NULL_TAG;
    double adCursor[3];
    tag_t tView = NULL_TAG;
    UF_UI_select_with_single_dialog(sCue, sTitle, iScope, init_proc, NULL, &iResponse, &tObject, adCursor, &tView);
    if (iResponse == UF_UI_OK || iResponse == UF_UI_OBJECT_SELECTED || iResponse == UF_UI_OBJECT_SELECTED_BY_NAME)
    {
        //取消高亮
        UF_DISP_set_highlight(tObject, 0);

        //获得面的类型
        int face_type = 0;
        UF_MODL_ask_face_type(tObject,&face_type);
        if (face_type != UF_MODL_CYLINDRICAL_FACE)
        {
            uc1601("请选择流道面!", 1);
            goto L10;//跳转回去重新选
        }

        //分析曲面的u,v参数最大值和最小值
        double uv_min_max[4];
        UF_MODL_ask_face_uv_minmax(tObject, uv_min_max);

        //在面上创建等参数曲线
        int uv_flag = 1;
        double parameter = (uv_min_max[0] + uv_min_max[1])/2;
        double dist_tol = 0.01;
        tag_t* isocurve_id = NULL_TAG;
        int isocurve_cnt = 0;
        UF_MODL_create_isocurve(tObject, uv_flag, parameter, dist_tol, &isocurve_id, &isocurve_cnt);

        goto L10;//跳转回去重新选
    }

}

//------------------------------------------------------------------------------
// Entry point(s) for unmanaged internal NXOpen C/C++ programs
//------------------------------------------------------------------------------
//  Explicit Execution
extern "C" DllExport void ufusr( char *parm, int *returnCode, int rlen )
{
    UF_initialize();//初始化

    try
    {
        // Create NXOpen C++ class instance
        MyClass *theMyClass;
        theMyClass = new MyClass();
        theMyClass->do_it();
        delete theMyClass;
    }
    catch (const NXException& e1)
    {
        UI::GetUI()->NXMessageBox()->Show("NXException", NXOpen::NXMessageBox::DialogTypeError, e1.Message());
    }
    catch (const exception& e2)
    {
        UI::GetUI()->NXMessageBox()->Show("Exception", NXOpen::NXMessageBox::DialogTypeError, e2.what());
    }
    catch (...)
    {
        UI::GetUI()->NXMessageBox()->Show("Exception", NXOpen::NXMessageBox::DialogTypeError, "Unknown Exception.");
    }

    UF_terminate();//终止
}


//------------------------------------------------------------------------------
// Unload Handler
//------------------------------------------------------------------------------
extern "C" DllExport int ufusr_ask_unload()
{
    return (int)NXOpen::Session::LibraryUnloadOptionImmediately;
}

caesar卢尚宇

2021年2月18日