//?Cylinder.cpp?:?定義控制臺應用程序的入口點。
//
#include?“iostring“//what
#include?“stdafx.h“
#include?
#include?

#include?“vtkActor.h“
#include?
#include?“vtkCommand.h“
#include?“vtkDICOMImageReader.h“
#include?
#include?
#include?
#include?“vtkInteractorEventRecorder.h“
#include?“vtkLineWidget.h“
#include?“vtkRenderWindowInteractor.h“
#include?
#include?
#include?
#include?
#include?
#include?
#include?


using?namespace?std;

vtkLineWidget?*lineWidget1;
vtkLineWidget?*lineWidget2;

//定義角度測量的回調函數

class?vtkLWCallback?:?public?vtkCommand
{
public:
??static?vtkLWCallback?*New（）?
????{?return?new?vtkLWCallback;?}
??virtual?void?Execute（vtkobject?*caller?unsigned?long?void*）
????{
??????vtkLineWidget?*lineWidget?=?reinterpret_cast（caller）;

	??double?O[3]A[3]B[3];
	??lineWidget->GetPoint1?（O）;

	??lineWidget1->SetPoint1?（O）;
	??lineWidget2->SetPoint1?（O）;

	??lineWidget1->GetPoint2?（A）;
	??lineWidget2->GetPoint2?（B）;

	??double?OAOBAB;
	??AB=sqrt（（A[0]-B[0]）*（A[0]-B[0]）+（A[1]-B[1]）*（A[1]-B[1]）+（A[2]-B[2]）*（A[2]-B[2]））;
	??OA=sqrt（（A[0]-O[0]）*（A[0]-O[0]）+（A[1]-O[1]）*（A[1]-O[1]）+（A[2]-O[2]）*（A[2]-O[2]））;
	??OB=sqrt（（O[0]-B[0]）*（O[0]-B[0]）+（O[1]-B[1]）*（O[1]-B[1]）+（O[2]-B[2]）*（O[2]-B[2]））;

??	??double?cosAOB=（OA*OA+OB*OB-AB*AB）/（2*OA*OB）;?
??	??double?angle;
	??angle=acos（cosAOB）*180/3.14159;
	??char?cAct[100];
	??sprintf（（char?*）cAct“%.4f“angle）;
	??this->Text->SetInput?（cAct）;
????}
??vtkLWCallback（）:Text（0）?{}
??vtkTextMapper?*Text;
};

//定義測量lineWidget直線長度的回調函數
class?vtkLLWCallback:public?vtkCommand
{
public:
	static?vtkLLWCallback?*New（）
	{return?new?vtkLLWCallback;}
	virtual?void?Execute（vtkobject?*callerunsigned?longvoid*）
	{
		vtkLineWidget?*lineWidget?=?reinterpret_cast（caller）;
		double?A[3]B[3];
		lineWidget->GetPoint1（A）;
		lineWidget->GetPoint2（B）;
		double?length;
		length=sqrt（（A[0]-B[0]）*（A[0]-B[0]）+（A[1]-B[1]）*（A[1]-B[1]）+（A[2]-B[2]）*（A[2]-B[2]））;
		char?cMct[100];
		sprintf（（char*）cMct“%.3f“length）;
		this->lengthText->SetInput（cMct）;
	}
	vtkLLWCallback（）:lengthText（0）lineWidget（0）?{};
	vtkTextMapper?*lengthText;
	vtkLineWidget?*lineWidget;
};


int?_tmain（int?argc?_TCHAR*?argv[]）
{
	vtkSphereSource?*sphere?=?vtkSphereSource::New（）;
????sphere->SetThetaResolution（12）;?
	sphere->SetPhiResolution（12）;
????sphere->SetRadius（100）;

??vtkPolyDataMapper?*innerMapper?=?vtkPolyDataMapper::New（）;
????innerMapper->SetInput（sphere->GetOutput（））;

??vtkActor?*innerSphere?=?vtkActor::New（）;
????innerSphere->SetMapper（innerMapper）;
????innerSphere->GetProperty（）->SetColor?（111）;
????innerSphere->GetProperty（）->SetOpacity?（0.5）;

????vtkTextMapper?*textMapper=vtkTextMapper::New（）;
??????textMapp