public MainWindow()
{
InitializeComponent();
// selection rect
m_selectRect.SetRect(new Point(-0.5, -0.5), new Point(-0.5, -0.5));
GridExplorer.Model3D model3d = new GridExplorer.Model3D();
ArrayList meshs = m_selectRect.GetMeshes();
m_nRectModelIndex = model3d.UpdateModel(meshs, null, m_nRectModelIndex, this.mainViewport);
// display the 3d chart data no.
dataNo_x.Text = String.Format("{0:d}", m_nNumElemts_x);
dataNo_y.Text = String.Format("{0:d}", m_nNumElemts_y);
dataNo_z.Text = String.Format("{0:d}", m_nNumElemts_z);
basis_x.Text = "1";
basis_y.Text = "1";
basis_z.Text = "1";
// display surface chart
BuildGrid();
TransformChart();
}
// function for set a scatter plot, every dot is just a simple pyramid.
public void BuildGrid(SHAPE shape = SHAPE.CYLINDER)
{
int nElem_x = Int32.Parse(dataNo_x.Text);
int nElem_y = Int32.Parse(dataNo_y.Text);
int nElem_z = Int32.Parse(dataNo_z.Text);
if ((nElem_x <= 0) || (nElem_y <= 0) || (nElem_z <= 0))
{
MessageBox.Show("Add at least 1 point to each axis");
return;
}
if ((nElem_x > 10000) || (nElem_y > 10000) || (nElem_z > 10000))
{
MessageBox.Show("Too many elements");
return;
}
long bas_x = Int64.Parse(basis_x.Text);
long bas_y = Int64.Parse(basis_y.Text);
long bas_z = Int64.Parse(basis_z.Text);
// 1. set the scatter plot size
m_3dChart = new ScatterChart3D();
m_3dChart.SetDataNo(nElem_x * nElem_y * nElem_z);
// 2. set the properties of each dot
Random randomObject = new Random();
int nDataRange = 200;
for (int i = 0; i < nElem_x; i++)
{
for (int j = 0; j < nElem_y; j++)
{
for (int k = 0; k < nElem_z; k++)
{
ScatterPlotItem plotItem = new ScatterPlotItem();
plotItem.w = 2;
plotItem.h = 2;
plotItem.x = (float)i * bas_x * m_nscale_factor;
plotItem.y = (float)j * bas_y * m_nscale_factor;
plotItem.z = (float)k * bas_z * m_nscale_factor;
plotItem.shape = (int)shape;
Byte nR = (Byte)randomObject.Next(256);
Byte nG = (Byte)randomObject.Next(256);
Byte nB = (Byte)randomObject.Next(256);
plotItem.color = Color.FromRgb(nR, nG, nB);
// convert [,,] -> []
//x + WIDTH * (y + DEPTH * z)
((ScatterChart3D)m_3dChart).SetVertex(i + nElem_x * (j + nElem_y * k), plotItem);
}
}
}
// 3. set axes
m_3dChart.GetDataRange();
m_3dChart.SetAxes();
// 4. Get Mesh3D array from scatter plot
ArrayList meshs = ((ScatterChart3D)m_3dChart).GetMeshes();
// 5. display vertex no and triangle no.
UpdateModelSizeInfo(meshs);
// 6. show 3D scatter plot in Viewport3d
GridExplorer.Model3D model3d = new GridExplorer.Model3D();
m_nChartModelIndex = model3d.UpdateModel(meshs, null, m_nChartModelIndex, this.mainViewport);
// 7. set projection matrix
float viewRange = (float)nDataRange;
m_transformMatrix.CalculateProjectionMatrix(0, viewRange, 0, viewRange, 0, viewRange, 0.5);
TransformChart();
}
