//接收fy3DModelCanvas更新数据的消息
//初始化所有参数
void m_3DModelCanvas_UpdatefyGridEvent()
{
//激活控制面板
this.Enabled = true;
numericUpDown1.Minimum = 0;
numericUpDown1.Maximum = m_3DModelCanvas.KCount - 1;
numericUpDown2.Minimum = 0;
numericUpDown2.Maximum = m_3DModelCanvas.JCount - 1;
numericUpDown3.Minimum = 0;
numericUpDown3.Maximum = m_3DModelCanvas.ICount - 1;
trackBar2.Minimum = 0;
trackBar2.Maximum = m_3DModelCanvas.KCount - 1;
trackBar1.Minimum = 0;
trackBar1.Maximum = m_3DModelCanvas.JCount - 1;
trackBar3.Minimum = 0;
trackBar3.Maximum = m_3DModelCanvas.ICount - 1;
label_ICount.Text = "ICount=" + m_3DModelCanvas.ICount.ToString();
label_JCount.Text = "JCount=" + m_3DModelCanvas.JCount.ToString();
label_KCount.Text = "KCount=" + m_3DModelCanvas.KCount.ToString();
label_MinValue.Text = "Min=" + m_3DModelCanvas.MinValue.ToString();
label_MaxValue.Text = "Max=" + m_3DModelCanvas.MaxValue.ToString();
textBox1.Text = m_3DModelCanvas.MinValue + "," + m_3DModelCanvas.MaxValue;
//初始化镂空参数(采用默认的镂空参数)
TransparentRanges = new List <fyTransparentRange>();
fyTransparentRange TransparentRange = new fyTransparentRange();
TransparentRange.Min = m_3DModelCanvas.MinValue;
TransparentRange.Max = m_3DModelCanvas.MaxValue;
TransparentRanges.Add(TransparentRange);
//默认启动普通模式
radioButton1.Checked = true;
//启动默认设置（普通视图模式）
m_3DModelCanvas.LookAt_NormalMode(fy3DModelViewMode.None);
}
double EPSILON = 0.000000001; //最小值E
public fy3DModelPage(ExGrid Grid, double[] CameraFocalPoint, double[] CameraPoint, double[] CameraViewUp,
List <fyTransparentRange> TransparentRanges)
{
InitializeComponent();
m_PageMode = fy3DModelPageMode.HollowOut_Mode;
m_CameraFocalPoint = CameraFocalPoint;
m_CameraPoint = CameraPoint;
m_CameraViewUp = CameraViewUp;
m_ImageData = ConvertfyGrid2vtkImageData(Grid);
m_Range = new fyTransparentRange();
m_Range.Min = Grid.Min;
m_Range.Max = Grid.Max;
m_UserRanges = TransparentRanges;
//初始化渲染的颜色和透明度
InitializeColor_HollowOut(Grid);
}
//镂空显示
private void button4_Click(object sender, EventArgs e)
{
try
{
TransparentRanges = new List <fyTransparentRange>();
string str = textBox1.Text.Trim();
string[] str1 = str.Split(new char[] { ';' }, StringSplitOptions.RemoveEmptyEntries);
for (int i = 0; i < str1.Length; i++)
{
string[] str2 = str1[i].Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
double min = double.Parse(str2[0]);
double max = double.Parse(str2[1]);
fyTransparentRange TransparentRange = new fyTransparentRange();
TransparentRange.Min = min;
TransparentRange.Max = max;
//如果Min和Max的取值发生冲突，并且该镂空范围无效
if (max < min)
{
MessageBox.Show("来自fy3DModelManager的警告\nMin&Max不符合!", "警告", MessageBoxButtons.OK, MessageBoxIcon.Warning);
continue;
}
TransparentRanges.Add(TransparentRange);
}
}
catch
{
MessageBox.Show("来自fy3DModelManager的警告\n请输入正确的镂空范围!", "警告", MessageBoxButtons.OK, MessageBoxIcon.Warning);
//初始化镂空参数(采用默认的镂空参数)
TransparentRanges = new List <fyTransparentRange>();
fyTransparentRange TransparentRange = new fyTransparentRange();
TransparentRange.Min = m_3DModelCanvas.MinValue;
TransparentRange.Max = m_3DModelCanvas.MaxValue;
TransparentRanges.Add(TransparentRange);
}
m_3DModelCanvas.LookAt_HollowOutMode(TransparentRanges, fy3DModelViewMode.None);
}
void InitRanges()
{
//实例化透明度交集
m_IntersectRanges = new List <fyTransparentRange>();
//fyGrid数据的范围
List <Interval> AllIntervals = new List <Interval>();
AllIntervals.Add(new Interval(m_Range.Min, m_Range.Max));
//用户设置的范围
List <Interval> UserIntervals = new List <Interval>();
foreach (var range in m_UserRanges)
{
double Min = range.Min;
double Max = range.Max;
//如果range的Min等于Max，即范围仅仅是一个点，那么对其进行修正
//对Min加EPSILON，同时对Max减EPSILON，使其成为一个有效的范围
if (range.Min == range.Max)
{
Min = Min + EPSILON;
Max = Max - EPSILON;
}
UserIntervals.Add(new Interval(Min, Max));
}
//用户设置的范围补集
List <Interval> UserIntervals_补集 = Interval.Complement(UserIntervals);
//计算透明的范围
var IntersectIntervals_透明 = Interval.Intersection(AllIntervals, UserIntervals);
//计算不透明的范围
var IntersectIntervals_不透明 = Interval.Intersection(AllIntervals, UserIntervals_补集);
foreach (var interval in IntersectIntervals_透明)
{
if (interval.lowerbound == interval.upperbound)
{
continue;
}
fyTransparentRange range = new fyTransparentRange();
range.Min = interval.lowerbound;
range.Max = interval.upperbound;
range.Transparent = true;
m_IntersectRanges.Add(range);
}
foreach (var interval in IntersectIntervals_不透明)
{
if (interval.lowerbound == interval.upperbound)
{
continue;
}
fyTransparentRange range = new fyTransparentRange();
range.Min = interval.lowerbound;
range.Max = interval.upperbound;
range.Transparent = false;
m_IntersectRanges.Add(range);
}
//进行排序
m_IntersectRanges = m_IntersectRanges.OrderBy(a => a.Min).ThenBy(a => a.Max).ToList();
}