public Form1()
{
InitializeComponent();
this.Size = new Size(622, 570);
// create the first panel
m_panel1 = ILPanel.Create();
m_tableLayout.Controls.Add(m_panel1, 0, 0);
// create triangles 3D shape, we will reuse it for all panels later
ILLitTriangles triangles = Computation.LoadSTL(
m_panel1
, ""); // path to your STL (ASCII) text file here ...
// use vertices colors
triangles.Shading = ShadingStyles.Interpolate;
// some tuning for light
triangles.Material.Specular = Color.Gray;
triangles.Label.Text = "";
// setup 3 panels
m_panel1.Graphs.AddSceneGraph().AddNode(triangles);
m_panel1.Dock = DockStyle.Fill;
m_panel1.Lights[1].Enabled = true;
m_panel1.Lights[1].Position = new ILPoint3Df(-100, 0, 10);
m_panel1.Lights[1].Diffuse = Color.Blue;
m_panel1.Lights[0].Ambient = Color.FromArgb(30, 30, 30);
m_panel1.Lights[1].Ambient = Color.Black;
m_panel1.AspectRatio = AspectRatioMode.MaintainRatios;
m_panel1.DefaultView.SetDeg(285, 105, 700);
m_panel1.Projection = Projection.Perspective;
m_panel1.BackColorCube = Color.LightGray;
// front view
m_panel2 = ILPanel.Create();
m_tableLayout.Controls.Add(m_panel2, 1, 0);
m_panel2.Dock = DockStyle.Fill;
m_panel2.Graphs.AddSceneGraph().AddNode(triangles);
m_panel2.PlotBoxScreenRect = new RectangleF(0.25f, 0.2f, 0.7f, 0.8f);
m_panel2.DefaultView.SetDeg(90, 90, 300);
m_panel2.Axes.YAxis.Visible = false;
m_panel2.Axes.ZAxis.Label.Text = "Z - Axis";
m_panel2.Lights[0].Ambient = Color.Gray;
m_panel2.Lights[0].Diffuse = Color.Green;
m_panel2.Lights[0].Specular = Color.White;
m_panel2.Lights[0].Position = new ILPoint3Df(90, 12, 22);
// top view
m_panel3 = ILPanel.Create();
m_tableLayout.Controls.Add(m_panel3, 1, 1);
m_panel3.Dock = DockStyle.Fill;
m_panel3.Graphs.AddSceneGraph().AddNode(triangles);
m_panel3.PlotBoxScreenRect = new RectangleF(0.25f, 0f, 0.7f, 0.75f);
m_panel3.Axes.XAxis.Label.Text = "X - Axis";
m_panel3.Axes.YAxis.Label.Text = "Y - Axis II";
m_panel3.Lights[0].Ambient = Color.FromArgb(250, 50, 50);
m_panel3.Lights[0].Diffuse = Color.Yellow;
m_panel3.Lights[0].Specular = Color.Gray;
m_panel3.Lights[0].Position = new ILPoint3Df(50, 12, 22);
m_panel3.Lights[1].Enabled = true;
m_panel3.Lights[1].Position = new ILPoint3Df(25, 42, 32);
m_panel3.Lights[1].Ambient = Color.Yellow;
// info
Label label = new Label();
m_tableLayout.Controls.Add(label, 0, 1);
label.Font = new Font("Sans Serif", 11, FontStyle.Bold);
label.Text = @"ILNumerics.Drawing.ILPanel example:
Based on a TableLayoutControl, 3 ILPanel controls are arranged in a tablular sense.
The properties 'PlotCubeScreenRect' is used on the panels in the right column. Setting
this rectangle allows for exact pixel alignment of multiple panels. Note also, each panel
has its own default view (rotation) and colormap assigned to it.
However, they all three do share the same ILLitTriangles composite shape.";
label.Dock = DockStyle.Fill;
}
public static ILLitTriangles LoadSTL(ILPanel panel, string par1) {
string[] lines;
// modify according the number format in the stl file! Here: 0.12345
System.Globalization.NumberFormatInfo nfi =
new System.Globalization.CultureInfo("en-US").NumberFormat;
if (String.IsNullOrEmpty(par1.Trim()) || !System.IO.File.Exists(par1)) {
par1 = Resource1.gear;
lines = par1.Split('\n');
} else {
lines = System.IO.File.ReadAllLines(par1);
}
#region parse and load vertices
// predefine array (for performance)
ILArray<float> vertexData = new ILArray<float>(6, (int)(lines.Length / 2.0));
int count = 0;
float NX = 0, NY = 0, NZ = 0;
foreach (string line in lines) {
int start = line.IndexOf("vertex");
if (start >= 0) {
// vertex found
start += 6;
string[] valsS = line.Substring(start).Trim().Split(new char[] {' '},StringSplitOptions.RemoveEmptyEntries);
if (valsS != null && valsS.Length >= 3) {
float X, Y, Z;
// vertex is valid (may be..)
X = float.Parse(valsS[0], nfi);
Y = float.Parse(valsS[1], nfi);
Z = float.Parse(valsS[2], nfi);
// store for later
vertexData.SetValue(X, 0, count);
vertexData.SetValue(Y, 1, count);
vertexData.SetValue(Z, 2, count);
vertexData.SetValue(NX, 3, count);
vertexData.SetValue(NY, 4, count);
vertexData.SetValue(NZ, 5, count);
count++;
}
} else {
start = line.IndexOf("normal");
if (start >= 0) {
// normal entry found
start += 6;
string[] valsN = line.Substring(start).Trim().Split(' ');
if (valsN != null && valsN.Length == 3) {
// normal is valid, cache it
NX = float.Parse(valsN[0], nfi);
NY = float.Parse(valsN[1], nfi);
NZ = float.Parse(valsN[2], nfi);
}
}
}
}
// truncate temp array, remove trail not needed
vertexData = vertexData[":;0:" + (count - 1)];
#endregion
#region create + configure composite shape
ILLitTriangles ret = new ILLitTriangles(
panel // panel hosting the scene
, vertexData["0;:"] // X components
, vertexData["1;:"] // Y components
, vertexData["2;:"]); // Z components
ret.AutoNormals = false;
for (int i = 0; i < ret.Vertices.Length; i++) {
ret.Vertices[i].Normal = new ILPoint3Df(
vertexData.GetValue(3, i)
, vertexData.GetValue(4, i)
, vertexData.GetValue(5, i));
ret.Vertices[i].Color = Color.FromArgb(255, 100, 100, 100);
ret.Vertices[i].Alpha = 255;
}
#endregion
return ret;
}
public static ILLitTriangles LoadSTL(ILPanel panel, string par1)
{
string[] lines;
// modify according the number format in the stl file! Here: 0.12345
System.Globalization.NumberFormatInfo nfi =
new System.Globalization.CultureInfo("en-US").NumberFormat;
if (String.IsNullOrEmpty(par1.Trim()) || !System.IO.File.Exists(par1))
{
par1 = Resource1.gear;
lines = par1.Split('\n');
}
else
{
lines = System.IO.File.ReadAllLines(par1);
}
#region parse and load vertices
// predefine array (for performance)
ILArray <float> vertexData = new ILArray <float>(6, (int)(lines.Length / 2.0));
int count = 0;
float NX = 0, NY = 0, NZ = 0;
foreach (string line in lines)
{
int start = line.IndexOf("vertex");
if (start >= 0)
{
// vertex found
start += 6;
string[] valsS = line.Substring(start).Trim().Split(new char[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
if (valsS != null && valsS.Length >= 3)
{
float X, Y, Z;
// vertex is valid (may be..)
X = float.Parse(valsS[0], nfi);
Y = float.Parse(valsS[1], nfi);
Z = float.Parse(valsS[2], nfi);
// store for later
vertexData.SetValue(X, 0, count);
vertexData.SetValue(Y, 1, count);
vertexData.SetValue(Z, 2, count);
vertexData.SetValue(NX, 3, count);
vertexData.SetValue(NY, 4, count);
vertexData.SetValue(NZ, 5, count);
count++;
}
}
else
{
start = line.IndexOf("normal");
if (start >= 0)
{
// normal entry found
start += 6;
string[] valsN = line.Substring(start).Trim().Split(' ');
if (valsN != null && valsN.Length == 3)
{
// normal is valid, cache it
NX = float.Parse(valsN[0], nfi);
NY = float.Parse(valsN[1], nfi);
NZ = float.Parse(valsN[2], nfi);
}
}
}
}
// truncate temp array, remove trail not needed
vertexData = vertexData[":;0:" + (count - 1)];
#endregion
#region create + configure composite shape
ILLitTriangles ret = new ILLitTriangles(
panel // panel hosting the scene
, vertexData["0;:"] // X components
, vertexData["1;:"] // Y components
, vertexData["2;:"]); // Z components
ret.AutoNormals = false;
for (int i = 0; i < ret.Vertices.Length; i++)
{
ret.Vertices[i].Normal = new ILPoint3Df(
vertexData.GetValue(3, i)
, vertexData.GetValue(4, i)
, vertexData.GetValue(5, i));
ret.Vertices[i].Color = Color.FromArgb(255, 100, 100, 100);
ret.Vertices[i].Alpha = 255;
}
#endregion
return(ret);
}
