/// <summary>
/// set position of single vertex
/// </summary>
/// <param name="vertexID">index of vertex in vertex array</param>
/// <param name="position">new position </param>
public override void SetPosition(int vertexID, ILPoint3Df position)
{
VertexType vert = m_vertices[vertexID];
vert.Position = position;
m_vertices[vertexID] = vert;
}
protected override void RunInternal(object parameter) {
float x1 = m_MinCornerStart.X;
float y1 = m_MinCornerStart.Y;
float z1 = m_MinCornerStart.Z;
float x2 = m_MaxCornerStart.X;
float y2 = m_MaxCornerStart.Y;
float z2 = m_MaxCornerStart.Z;
float aMinX = m_MinCornerEnd.X - x1;
float aMinY = m_MinCornerEnd.Y - y1;
float aMinZ = m_MinCornerEnd.Z - z1;
float aMaxX = m_MaxCornerEnd.X - x2;
float aMaxY = m_MaxCornerEnd.Y - y2;
float aMaxZ = m_MaxCornerEnd.Z - z2;
foreach (ILActionRampElement elem in m_ramp) {
if (m_canceled) return;
ILPoint3Df min = new ILPoint3Df(
x1 + aMinX * elem.Value,
y1 + aMinY * elem.Value,
z1 + aMinZ * elem.Value);
ILPoint3Df max = new ILPoint3Df(
x2 + aMaxX * elem.Value,
y2 + aMaxY * elem.Value,
z2 + aMaxZ * elem.Value);
m_panel.Limits.Set(min,max);
m_panel.Refresh();
if (m_canceled) return;
Thread.Sleep((int)(elem.Duration * 1000));
}
}
protected override void ComputeLimits()
{
// only consider used(!) vertices (having indices in mapping)
ILPoint3Df cent = new ILPoint3Df();
if (m_shapeIndices.IsEmpty)
{
// fast exit
m_positionCenter = cent;
m_positionMin = cent;
m_positionMax = cent;
return;
}
ILPoint3Df max = ILPoint3Df.MinValue, min = ILPoint3Df.MaxValue, cur;
foreach (int vertexID in m_shapeIndices.Values)
{
cur = m_vertices[vertexID].Position;
cent = cent + cur;
max = ILPoint3Df.Max(max, cur);
min = ILPoint3Df.Min(min, cur);
}
m_positionCenter = cent / m_vertices.Length;
m_positionMax = max;
m_positionMin = min;
updateVertexPositions(Vertices, ref m_vertexPositions);
}
protected override void ComputeLimits()
{
ILPoint3Df cent = new ILPoint3Df();
if (m_vertices.Length == 0)
{
// fast exit
m_positionCenter = cent;
m_positionMin = cent;
m_positionMax = cent;
return;
}
ILPoint3Df max = ILPoint3Df.MinValue, min = ILPoint3Df.MaxValue, cur;
foreach (IILVertexDefinition vertex in m_vertices)
{
cur = vertex.Position;
cent = cent + cur;
max = ILPoint3Df.Max(max, cur);
min = ILPoint3Df.Min(min, cur);
}
m_positionCenter = cent / m_vertices.Length;
m_positionMax = max;
m_positionMin = min;
}
protected override void world2Screen(ILPoint3Df p1_3D, ILPoint3Df p2_3D, out Point p1_2D, out Point p2_2D)
{
Matrix mat = m_device.Transform.World;
mat *= m_device.Transform.View;
mat *= m_device.Transform.Projection;
Vector3 s = new Vector3(p1_3D.X, p1_3D.Y, p1_3D.Z);
Vector3 e = new Vector3(p2_3D.X, p2_3D.Y, p2_3D.Z);
s.TransformCoordinate(mat);
e.TransformCoordinate(mat);
s.X = (s.X / 2.0f + 0.5f);
e.X = (e.X / 2.0f + 0.5f);
s.Y = -(s.Y / 2.0f - 0.5f);
e.Y = -(e.Y / 2.0f - 0.5f);
// variant with margin over viewport
//float multMarg = (m_device.Viewport.Width / 100.0f);
//startX = (int)(multMarg * (100.0f - 0.0f * m_margin) * s.X + m_margin * multMarg);
//endX = (int)(multMarg * (100.0f - 0.0f * m_margin) * e.X + m_margin * multMarg);
//multMarg = (m_device.Viewport.Height / 100.0f);
//startY = (int)(multMarg * (100.0f - 0.0f * m_margin) * s.Y + m_margin * multMarg);
//endY = (int)(multMarg * (100.0f - 0.0f * m_margin) * e.Y + m_margin * multMarg);
float multMarg = (m_device.Viewport.Width);
p1_2D = new Point((int)(multMarg * s.X), (int)(m_device.Viewport.Height * s.Y));
p2_2D = new Point((int)(multMarg * e.X), (int)(m_device.Viewport.Height * e.Y));
}
/// <summary>
/// create vertex data [unevenly distributed, depricated]
/// </summary>
/// <param name="center"></param>
/// <param name="radius"></param>
/// <param name="horRes"></param>
/// <param name="vertRes"></param>
/// <param name="indices"></param>
/// <returns></returns>
public static ILArray <float> CreateVertices(ILPoint3Df center, float radius, int horRes, int vertRes, out ILArray <int> indices)
{
ILArray <float> phi = repmat(tosingle(linspace(-pi, pi, horRes + 1)), vertRes + 1, 1);
ILArray <float> rho = repmat(tosingle(linspace(0, pi, vertRes + 1)).T, 1, horRes + 1);
bool dummy;
float[] retArr = ILNumerics.Misc.ILMemoryPool.Pool.New <float>((horRes + 1) * (vertRes + 1), false, out dummy);
ILArray <float> ret = new ILArray <float>(retArr, vertRes + 1, horRes + 1);
// create normals
ret[":;:;3"] = sin(phi) * sin(rho);
ret[":;:;4"] = cos(phi) * sin(rho);
ret[":;:;5"] = cos(rho);
// translate + scale vertices
ret[":;:;0"] = (ILArray <float>)radius * ret[":;:;3"] + center.X;
ret[":;:;1"] = (ILArray <float>)radius * ret[":;:;4"] + center.Y;
ret[":;:;2"] = (ILArray <float>)radius * ret[":;:;5"] + center.Z;
// create index mappings
//horRes--; vertRes--;
indices = new ILArray <int>(4, (horRes) * (vertRes));
for (int r = 0, pos = 0; r < vertRes; r++)
{
for (int c = 0; c < horRes; c++)
{
indices.SetValue(c + r * (horRes + 1), pos++);
indices.SetValue(c + (r + 1) * (horRes + 1), pos++);
indices.SetValue((c + 1) + (r + 1) * (horRes + 1), pos++);
indices.SetValue((c + 1) + r * (horRes + 1), pos++);
}
}
System.Diagnostics.Debug.Assert(maxall(indices) <= (double)ret[":;:;0"].Dimensions.NumberOfElements);
System.Diagnostics.Debug.Assert(minall(indices) >= 0.0);
return(ret);
}
/// <summary>
/// add 'new' bar with new value and remove oldest bar
/// </summary>
/// <param name="value">height of new bar</param>
/// <returns>discarded value</returns>
public float Queue(float value)
{
// we move all shapes by 1 left
ILPoint3Df offset = new ILPoint3Df(-1f, 0, 0);
for (int i = 0; i < m_quads.Length; i++)
{
m_quads[i].Translate(offset);
// FADE OUt old barsss ....
m_quads[(i + m_oldestBarIndex) % (m_quads.Length - 1)].Opacity
= (byte)(m_oldestOpacity + i * (255 - m_oldestOpacity) / m_quads.Length);
// tell the scene to update its size
m_quads[i].Invalidate();
}
// configure oldest graph
ILQuad newestQuad = m_quads[m_oldestBarIndex];
offset.X = m_quads.Length;
newestQuad.Translate(offset);
float ret = newestQuad.Vertices[2].YPosition;
newestQuad.Vertices[2].YPosition = value;
newestQuad.Vertices[3].YPosition = value;
newestQuad.Opacity = 255;
if (++m_oldestBarIndex >= m_quads.Length)
{
m_oldestBarIndex = 0;
}
return(ret);
}
/// <summary>
/// recompute the size spanned by this node, may fires Changed() event
/// </summary>
public override void Configure()
{
if (m_invalidated)
{
// configure childs (compute limits) first
foreach (ILSceneGraphNode child in m_childs)
{
child.Configure();
}
bool sizechanged = false;
ILPoint3Df oldMin = m_positionMin;
ILPoint3Df oldMax = m_positionMax;
ComputeNodeLimits();
if (oldMin != m_positionMin)
{
sizechanged = true;
}
if (oldMax != m_positionMax)
{
sizechanged = true;
}
m_invalidated = false;
if (sizechanged)
{
OnSizeChanged();
}
}
}
private void createBoxes()
{
ILNumerics.Drawing.Misc.ILColormap cm = new ILNumerics.Drawing.Misc.ILColormap(Colormaps.Hsv);
m_boxes = new List <ILLitBox3D>();
float [] xPos = new float[] { 12, 12, 12, 13, 13, 13, 14, 14, 14, 15, 15, 15, 16, 16, 16, 17, 17, 17, 17, 18, 18, 18, 18, 19, 19, 19, 20, 20, 20 };
float [] yPos = new float[] { 28, 29, 30, 28, 29, 30, 28, 29, 30, 28, 29, 30, 28, 29, 30, 28, 29, 30, 31, 28, 29, 30, 31, 29, 30, 31, 29, 30, 31 };
float [] zVal = new float[] { 0.02f, 0.316f, 0.523f, 0.0223f, 0.283f, 0.471f, 0.0074f, 0.17f, 0.409f, 0.021f, 0.3f, 0.5f, 0.0191f, 0.187f, 0.337f, 0.02f, 0.07f, 0.52f, 0.64f, 0.06f, 0.22f, 0.3f, 0.48f, 0.17f, 0.21f, 0.63f, 0.1f, 0.17f, 0.3f };
byte [] tran = new byte[] { 30, 30, 30, 70, 70, 70, 190, 190, 190 };
for (int i = 0; i < xPos.Length; i++)
{
ILLitBox3D box;
ILPoint3Df min = new ILPoint3Df(
-m_max + xPos[i] + 0.05 + 4 + m_linesPositionOffset,
-m_max + yPos[i] + 0.05 - 2 + m_linesPositionOffset,
-zVal[i]);
ILPoint3Df max = new ILPoint3Df(
-m_max + xPos[i] + 0.9 + 4 + m_linesPositionOffset,
-m_max + yPos[i] + 0.9 - 2 + m_linesPositionOffset,
zVal[i]);
box = new ILLitBox3D(m_panel, min, max, cm.Map((double)zVal[i] * cm.Length), cm.Map((double)zVal[i] * cm.Length));
box.TopLabel.Text = "";
box.GradientColor = box.TopColor;
box.Edges.Color = Color.DarkGray;
if (tran.Length > i)
{
//box.Opacity = tran[i];
}
box.Quads[ILLitBox3D.QuadIndices.bottom].CustomCenter = new ILPoint3Df(0, 0, 3000);
box.Quads[ILLitBox3D.QuadIndices.top].CustomCenter = new ILPoint3Df(0, 0, 3000);
m_boxes.Add(box);
Add(box);
}
}
public override Point World2Screen(ILPoint3Df world, double[] modelview)
{
Vector3 w = new Vector3(world.X, world.Y, world.Z);
Vector3 screen;
Glu.Project(w, modelview, m_projMatrix, m_viewMatrix, out screen);
return(new Point((int)screen.X, (int)(ClientSize.Height - screen.Y)));
}
public ILLight(int index)
{
m_enabled = index == 0;
m_index = index;
Position = new ILPoint3Df(100f, 100f, 100);
Specular = Color.FromArgb(255, 255, 255);
Ambient = Color.FromArgb(90, 90, 90);
Diffuse = Color.FromArgb(160, 160, 160);
}
/// <summary>
/// (internally used) draws the plot
/// </summary>
/// <param name="props"></param>
public override void Draw(ILRenderProperties props)
{
base.Draw(props);
m_valLabel.Draw(props);
ILPoint3Df labPos = m_quads[QuadIndices.top].Center;
labPos.Z = Math.Max(m_quads[QuadIndices.top].Center.Z, m_quads[QuadIndices.bottom].Center.Z);
m_topLabel.Draw(props, labPos);
}
/// <summary>
/// translate all vertices of the shape
/// </summary>
/// <param name="offset">offset, all vertices will be moved by that amount</param>
public override void Translate(ILPoint3Df offset)
{
for (int i = 0; i < m_vertCount; i++)
{
VertexType tmp = m_vertices[i];
tmp.Position += offset;
m_vertices[i] = tmp;
}
}
/// <summary>
/// set normal vector of single vertex
/// </summary>
/// <param name="vertexID">index of vertex in vertex array</param>
/// <param name="normal">new normal vector</param>
public override void SetNormal(int vertexID, ILPoint3Df normal)
{
if (VertexDefinition.StoresNormals)
{
VertexType vert = m_vertices[vertexID];
vert.Normal = normal;
m_vertices[vertexID] = vert;
}
}
/// <summary>
/// set up viewport, projection and modelview matrices
/// </summary>
protected override void UpdateMatrices(float width2D, float height2D, float zDepth)
{
if (ClientSize.IsEmpty)
{
return;
}
if (m_plotBoxScreenRectF.Size.IsEmpty)
{
return;
}
float worldSceneWidth;
float worldSceneHeight;
ILPoint3Df camPos = m_camera.Position;
ILPoint3Df top;
ILPoint3Df moveOffset;
helperUpdateMatrices(width2D, height2D, out worldSceneWidth, out worldSceneHeight, out top, out moveOffset);
#region projection
GL.MatrixMode(MatrixMode.Projection);
GL.LoadIdentity();
float nearPlane = 0.2f; //Math.Max(0.0f, m_camera.Distance - m_clippingView.SphereRadius);
float farPlane = m_camera.Distance + m_clippingView.SphereRadius * 100;
if (m_projection == Projection.Perspective)
{
float angle = (float)Math.Atan2(worldSceneHeight / 2.0f, m_camera.Distance - (zDepth / 2)) * 2.0f;
Glu.Perspective(angle / Math.PI * 180, (double)worldSceneWidth / worldSceneHeight,
nearPlane, farPlane);
}
else
{
GL.Ortho(
-worldSceneWidth / 2.0, worldSceneWidth / 2.0
, -worldSceneHeight / 2.0, worldSceneHeight / 2.0
, nearPlane, farPlane);
}
GL.GetDouble(GetPName.ProjectionMatrix, m_projMatrix);
// set viewport
GL.Viewport(0, 0, ClientSize.Width, ClientSize.Height);
GL.GetInteger(GetPName.Viewport, m_viewMatrix);
#endregion
#region modelview
MakeCurrent();
GL.MatrixMode(MatrixMode.Modelview);
GL.LoadIdentity();
//top = ILPoint3Df.normalize(top);
Glu.LookAt(camPos.X, camPos.Y, camPos.Z
, m_camera.LookAt.X, m_camera.LookAt.Y, m_camera.LookAt.Z
, m_camera.Top.X, m_camera.Top.Y, m_camera.Top.Z);
GL.Translate(moveOffset.X, moveOffset.Y, moveOffset.Z);
GL.GetDouble(GetPName.ModelviewMatrix, m_modelViewMatrix);
#endregion
}
/// <summary>
/// transform from screen space into world space using OpenGL
/// </summary>
/// <param name="x">screen X</param>
/// <param name="y">screen Y</param>
/// <returns>world coord</returns>
public override void Screen2World(int x, int y, out ILPoint3Df nearClip, out ILPoint3Df farClip)
{
// TODO: check the Z coord values. 0.68 here was result of trial only!
Vector3 far, near;
Glu.UnProject(new Vector3(x, y, 0.0f), m_modelViewMatrix, m_projMatrix, m_viewMatrix, out near);
Glu.UnProject(new Vector3(x, y, 1.0f), m_modelViewMatrix, m_projMatrix, m_viewMatrix, out far);
// transform back from unit cube to clipping view
farClip = new ILPoint3Df(far.X, far.Y, far.Z); //m_clippingView.Map(far.X, far.Y, far.Z);
nearClip = new ILPoint3Df(near.X, near.Y, near.Z); //m_clippingView.Map(near.X, near.Y, near.Z);
}
protected override void IntDrawLabel(ILRenderProperties props)
{
if (m_vertCount == 0 || m_vertCount >= VerticesPerShape)
{
if (!String.IsNullOrEmpty(m_label.Text) && m_vertCount > 1)
{
ILPoint3Df cent = m_vertices[0].Position + m_vertices[1].Position;
m_label.Draw(props, cent / 2);
}
}
}
///// <summary>
///// signaled when one/some of the ILGraphs have changed
///// </summary>
///// <param name="sender"></param>
///// <param name="e"></param>
//void Graph_Changed(object sender, ILGraphChangedEventArgs e) {
// OnGraphChanged(sender as ILGraph,e);
//}
/// <summary>
/// called once the limits of a graph have changed
/// </summary>
/// <param name="sender">graph</param>
/// <param name="e">event args, holding a reference to the clipping data</param>
void Limits_Changed(object sender, ClippingChangedEventArgs e)
{
ILPoint3Df max = ILPoint3Df.MinValue;
ILPoint3Df min = ILPoint3Df.MaxValue;
foreach (ILGraph graph in this)
{
max = ILPoint3Df.Max(max, graph.Limits.Max);
min = ILPoint3Df.Min(min, graph.Limits.Min);
}
m_clippingData.Set(min, max);
}
/// <summary>
/// Transform 2 world coordinates into screen coords under current matrices
/// </summary>
/// <param name="p1_3D">world coord point 1</param>
/// <param name="p2_3D">world coord point 2</param>
/// <param name="p1_2D">(output) screen coord point 1</param>
/// <param name="p2_2D">(output) screen coord point 2</param>
public override void World2Screen(ILPoint3Df p1_3D, ILPoint3Df p2_3D, out Point p1_2D, out Point p2_2D)
{
Vector3 s = new Vector3();
Vector3 e = new Vector3();
Glu.Project(new Vector3(p1_3D.X, p1_3D.Y, p1_3D.Z),
m_modelViewMatrix, m_projMatrix, m_viewMatrix, out s);
Glu.Project(new Vector3(p2_3D.X, p2_3D.Y, p2_3D.Z),
m_modelViewMatrix, m_projMatrix, m_viewMatrix, out e);
p1_2D = new Point((int)s.X, (int)(ClientSize.Height - s.Y));
p2_2D = new Point((int)e.X, (int)(ClientSize.Height - e.Y));
}
/// <summary>
/// create new lit sphere for a scene graph
/// </summary>
/// <param name="panel">panel hosting the scene</param>
/// <param name="center">center position</param>
/// <param name="radius">radius of the sphere</param>
/// <param name="color">color of the sphere</param>
/// <param name="detail">number of triangularization iterations, typical: 0..4</param>
public ILLitSphere(ILPanel panel, ILPoint3Df center, float radius, Color color, int detail)
: base(panel, 3, 3)
{
m_fillColor = color;
m_center = center;
m_radius = radius;
m_detail = detail;
Material.Shininess = 60;
AutoNormals = true;
m_shading = ShadingStyles.Interpolate;
createVertices(detail);
}
/// <summary>
/// Calculates the normals.
/// </summary>
/// <param name="vertices">vertex array of the shape</param>
/// <param name="shapeIndices">The shape mapping indices.</param>
/// <param name="shapeIndicesIndex">Index of the shape indices.</param>
public static void CalculateNormals(
VertexType[] vertices
, ILArray <int> shapeIndices
, Dictionary <int, List <int> > shapeIndicesIndex)
{
#if MEASURE_NORMAL_CALCULATION
DateTime start = DateTime.Now;
#endif
System.Diagnostics.Debug.Assert(vertices != null && vertices.Length > 0 && vertices[0].StoresNormals);
// first calculate the normal for all vertices
ILPoint3Df[] snormals = new ILPoint3Df[shapeIndices.Dimensions[1]];
for (int shapeCol = 0; shapeCol < snormals.Length; shapeCol++)
{
// crossproduct of vertex: (#1 - #0) x (#2 - #0)
int vi0 = shapeIndices.GetValue(0, shapeCol);
int vi1 = shapeIndices.GetValue(1, shapeCol);
int vi2 = shapeIndices.GetValue(2, shapeCol);
ILPoint3Df cross = ILPoint3Df.crossN(
vertices[vi1].Position - vertices[vi0].Position,
vertices[vi1].Position - vertices[vi2].Position);
snormals[shapeCol] = cross;
}
#if MEASURE_NORMAL_CALCULATION
TimeSpan crossDone = DateTime.Now - start;
DateTime startSorting = DateTime.Now;
System.Diagnostics.Debug.WriteLine("Normals Calculation: cross products in " + crossDone.TotalMilliseconds.ToString() + "ms");
#endif
// find all facettes using this vertex
for (int i = 0; i < vertices.Length; i++)
{
if (!shapeIndicesIndex.ContainsKey(i))
{
continue;
}
ILPoint3Df normal = new ILPoint3Df();
foreach (int shapeIdx in shapeIndicesIndex[i])
{
normal += snormals[shapeIdx];
}
// or should we let OpenGL normalize the normals...?
vertices[i].Normal = ILPoint3Df.normalize(normal);
//System.Diagnostics.Debug.Assert(
// Math.Abs(Math.Sqrt(
// vertices[0].Normal.X * vertices[0].Normal.X +
// vertices[0].Normal.Y * vertices[0].Normal.Y +
// vertices[0].Normal.Z * vertices[0].Normal.Z) - 1.0) < (double)MachineParameterFloat.eps);
}
#if MEASURE_NORMAL_CALCULATION
TimeSpan sortDone = DateTime.Now - startSorting;
System.Diagnostics.Debug.WriteLine("Normals Calculation: sorting done in " + sortDone.TotalMilliseconds.ToString() + "ms");
#endif
}
private void updateClipping()
{
ILPoint3Df max = ILPoint3Df.MinValue;
ILPoint3Df min = ILPoint3Df.MaxValue;
for (int i = 0; i < m_vertexCount; i++)
{
C4bV3f vert = m_vertices[i];
max = ILPoint3Df.Max(vert.Position, max);
min = ILPoint3Df.Min(vert.Position, min);
}
m_localClipping.Set(min, max);
}
/// <summary>
/// (internal use)
/// </summary>
/// <param name="p">render properties</param>
/// <param name="min">minimum coord for label area</param>
/// <param name="max">maximum coord for label area</param>
public void Draw(ILRenderProperties p, ILPoint3Df min, ILPoint3Df max)
{
if (!String.IsNullOrEmpty(Text))
{
if (m_expression != m_cachedExpression)
{
interprete(m_expression);
}
m_renderer.Begin(p);
m_renderer.Draw(m_renderQueue, min.X, min.Y, min.Z, max.X, max.Y, max.Z, m_color);
m_renderer.End(p);
}
}
public ILZoomAction(ILPoint3Df MinCornerStart,
ILPoint3Df MinCornerEnd,
ILPoint3Df MaxCornerStart,
ILPoint3Df MaxCornerEnd,
ILActionRamp ramp,
ILPanel panel)
: base () {
m_MaxCornerEnd = ILPoint3Df.Max(MinCornerEnd,MaxCornerEnd);
m_MaxCornerStart = ILPoint3Df.Max(MinCornerStart,MaxCornerStart);
m_MinCornerEnd = ILPoint3Df.Min(MinCornerEnd,MaxCornerEnd);
m_MinCornerStart = ILPoint3Df.Min(MinCornerStart,MaxCornerStart);
m_ramp = ramp;
m_panel = panel;
}
public ILZoomAction(ILPoint3Df MinCornerStart,
ILPoint3Df MinCornerEnd,
ILPoint3Df MaxCornerStart,
ILPoint3Df MaxCornerEnd,
ILActionRamp ramp,
ILPanel panel)
: base()
{
m_MaxCornerEnd = ILPoint3Df.Max(MinCornerEnd, MaxCornerEnd);
m_MaxCornerStart = ILPoint3Df.Max(MinCornerStart, MaxCornerStart);
m_MinCornerEnd = ILPoint3Df.Min(MinCornerEnd, MaxCornerEnd);
m_MinCornerStart = ILPoint3Df.Min(MinCornerStart, MaxCornerStart);
m_ramp = ramp;
m_panel = panel;
}
/// <summary>
/// compute distance to camera and return sorted indices for rendering
/// </summary>
/// <param name="centers">current primitive centers</param>
/// <param name="position">current camera position</param>
/// <returns>sorted indices of primitives in descending order</returns>
internal static ILArray <int> GetSortedIndices(ILArray <float> centers,
ILPoint3Df position)
{
ILArray <float> pos = new float[] { -position.X, -position.Y, -position.Z };
// move camera outside of centers
pos *= maxall(abs(centers));
pos = repmat(pos, centers.Dimensions[0], 1);
// compute distances
ILArray <float> dist = sum(pow(centers - pos, 2), 1);
ILArray <double> ret;
sort(dist, out ret, 0, false);
return(toint32(ret));
}
/// <summary>
/// invalidate geometry cache for this and all nodes up to root
/// </summary>
public virtual void Invalidate()
{
m_center = ILPoint3Df.Empty;
m_positionMin = ILPoint3Df.Empty;
m_positionMax = ILPoint3Df.Empty;
m_invalidated = true;
if (Parent != null)
{
Parent.Invalidate();
}
else
{
OnInvalidated();
}
}
protected void createQuads(ILBaseArray data)
{
if (data == null || data.Length == 0)
{
Clear();
m_quads = new ILQuad[0];
}
else
{
Clear();
m_quads = new ILQuad[data.Length];
ILColorEnumerator colors = new ILColorEnumerator();
ILArray <float> fData = null;
if (data is ILArray <float> )
{
fData = (ILArray <float>)data;
}
else
{
fData = ILMath.tosingle(data);
}
for (int i = 0; i < m_quads.Length; i++)
{
m_quads[i] = new ILQuad(m_panel);
m_quads[i].Border.Visible = true;
m_quads[i].FillColor = colors.NextColor();
ILPoint3Df pos = new ILPoint3Df();
pos.X = i - m_barWidth / 2;
pos.Y = 0;
pos.Z = -0.5f;
m_quads[i].Vertices[0].Position = pos;
pos.X += m_barWidth;
m_quads[i].Vertices[1].Position = pos;
pos.Y += fData.GetValue(i);
m_quads[i].Vertices[2].Position = pos;
pos.X -= m_barWidth;
m_quads[i].Vertices[3].Position = pos;
// label the bar
m_quads[i].Label.Text = i.ToString();
m_quads[i].Label.Anchor = new PointF(.5f, -1);
// bars will be transparent, oldest fading to OpacityOldest
m_quads[i].Opacity = (byte)(m_oldestOpacity + i * (255 - m_oldestOpacity) / m_quads.Length);
// add the bar to the scene graph node (base)
Add(m_quads[i]);
}
}
}
public static void CalculateNormals(VertexType[] vertices)
{
if (vertices.Length < 3)
{
return;
}
// crossproduct of vertex: (#1 - #0) x (#2 - #0)
ILPoint3Df cross = ILPoint3Df.crossN(
vertices[1].Position - vertices[0].Position,
vertices[1].Position - vertices[2].Position);
for (int i = 0; i < vertices.Length; i++)
{
vertices[i].Normal = cross;
}
}
protected override void IntDrawLabel(ILRenderProperties props)
{
if (m_vertCount >= VerticesPerShape)
{
ILPoint3Df cent = m_vertices[m_shapeIndices.GetValue(0)].Position;
// draw label at center of first shape
if (!String.IsNullOrEmpty(m_label.Text))
{
for (int i = 1; i < VerticesPerShape; i++)
{
cent += m_vertices[m_shapeIndices.GetValue(i)].Position;
}
m_label.Draw(props, cent / VerticesPerShape);
}
}
}
/// <summary>
/// recalculate matrices based on current clipping data, -view
/// </summary>
protected override void UpdateMatrices()
{
// update projection
float xSize, ySize;
GetTransformedSize(out xSize, out ySize);
// add label's size to increase margin
Size labelsSize = m_axis.MaxTicLabelSize;
xSize = (xSize * ClientSize.Width) / (ClientSize.Width - 2 * labelsSize.Width);
ySize = (ySize * ClientSize.Height) / (ClientSize.Height - 2 * labelsSize.Height);
if (m_projection == Projection.Perspective)
{
float angle = (float)Math.Atan2(xSize / 2.0f, m_camera.Distance) * 2.0f;
m_projectionMat = Matrix.PerspectiveFovLH(angle, ySize / xSize, 0.0f, 12.0f);
m_device.Transform.Projection = m_projectionMat;
}
else if (m_projection == Projection.Orthographic)
{
m_projectionMat = Matrix.OrthoLH(xSize, ySize, -10.0f, m_camera.Distance + 5.5f);
m_device.Transform.Projection = m_projectionMat;
}
else
{
throw new ILInvalidOperationException("invalid projection: " + m_projection.ToString());
}
// update lookat
m_view = Matrix.LookAtLH(new Vector3(0.0f,
-(float)Math.Sin(m_camera.Rho) * m_camera.Distance,
-(float)Math.Cos(m_camera.Rho) * m_camera.Distance),
new Vector3(0.0f, 0.0f, 0.0f),
new Vector3(0.0f, (m_camera.Rho < Math.PI / 2) ? 1.0f : -1.0f, 0.0f));
m_device.Transform.View = m_view;
//System.Diagnostics.Debug.Print("Phi: " + m_cameraPhi.ToString() + " Theta: " + m_cameraTheta.ToString());
#region built world (scaling & rotation) matrix
ILPoint3Df ab = m_clippingView.ScaleToUnitCube();
m_world = Matrix.Scaling(ab.X, ab.Y, ab.Z); //Identity; //RotationZ(m_cameraPhi);
ab = m_clippingView.CenterToUnitCube();
m_world *= Matrix.Translation(ab.X, ab.Y, ab.Z);
m_world *= Matrix.Scaling(1.0f, 1.0f, -1.0f);
//if (m_camera.Phi > Math.PI) ;
//m_camera.Phi -= (float)(2 * Math.PI);
m_world *= Matrix.RotationZ((float)(m_camera.Phi));
m_device.Transform.World = m_world;
#endregion
}
//protected void sortPrimitives() {
// m_oldCameraPosition = m_panel.Camera.Position;
// Computation.SortIndices(
// m_vertices, m_shapeIndices, m_vertCount, m_panel.Camera.Position,
// VerticesPerShape).ExportValues(ref m_renderIndices);
//}
private void sortPrimitives()
{
m_oldCameraPosition = m_panel.Camera.Position;
if (m_renderIndices == null || m_renderIndices.Length < m_shapeIndices.Dimensions.NumberOfElements)
{
m_renderIndices = new int[m_shapeIndices.Dimensions.NumberOfElements];
}
float camScale = (ILPoint3Df.Max(m_positionMax, m_positionMin) - m_positionCenter).GetLength();
Computation.SortIndices(
m_vertexPositions
, m_shapeIndices
, m_vertCount
, m_panel.Camera.LookAt + ((m_panel.Camera.LookAt - m_panel.Camera.Position) * camScale)
, VerticesPerShape
, m_renderIndices);
}
protected override void world2Screen(ILPoint3Df p1_3D, ILPoint3Df p2_3D, out Point p1_2D, out Point p2_2D ) {
Matrix mat = m_device.Transform.World;
mat *= m_device.Transform.View;
mat *= m_device.Transform.Projection;
Vector3 s = new Vector3(p1_3D.X, p1_3D.Y, p1_3D.Z);
Vector3 e = new Vector3(p2_3D.X, p2_3D.Y, p2_3D.Z);
s.TransformCoordinate(mat);
e.TransformCoordinate(mat);
s.X = (s.X / 2.0f + 0.5f);
e.X = (e.X / 2.0f + 0.5f);
s.Y = -(s.Y / 2.0f - 0.5f);
e.Y = -(e.Y / 2.0f - 0.5f);
// variant with margin over viewport
//float multMarg = (m_device.Viewport.Width / 100.0f);
//startX = (int)(multMarg * (100.0f - 0.0f * m_margin) * s.X + m_margin * multMarg);
//endX = (int)(multMarg * (100.0f - 0.0f * m_margin) * e.X + m_margin * multMarg);
//multMarg = (m_device.Viewport.Height / 100.0f);
//startY = (int)(multMarg * (100.0f - 0.0f * m_margin) * s.Y + m_margin * multMarg);
//endY = (int)(multMarg * (100.0f - 0.0f * m_margin) * e.Y + m_margin * multMarg);
float multMarg = (m_device.Viewport.Width);
p1_2D = new Point ((int)(multMarg * s.X),(int)(m_device.Viewport.Height * s.Y));
p2_2D = new Point ((int)(multMarg * e.X),(int)(m_device.Viewport.Height * e.Y));
}
public ILLight (int index) {
m_enabled = index == 0;
m_index = index;
Position = new ILPoint3Df(100f,100f,100);
Specular = Color.FromArgb(255,255,255);
Ambient = Color.FromArgb(90,90,90);
Diffuse = Color.FromArgb(160,160,160);
}
public override Point Transform(ILPoint3Df worldPoint) {
throw new NotImplementedException();
}
/// <summary>
/// (internal use)
/// </summary>
/// <param name="p">render properties</param>
/// <param name="min">minimum coord for label area</param>
/// <param name="max">maximum coord for label area</param>
public void Draw(ILRenderProperties p, ILPoint3Df min, ILPoint3Df max) {
if (!String.IsNullOrEmpty(Text)) {
if (m_expression != m_cachedExpression)
interprete(m_expression);
m_renderer.Begin(p);
m_renderer.Draw(m_renderQueue,min.X,min.Y,min.Z,max.X,max.Y,max.Z, m_color);
m_renderer.End(p);
}
}
protected void createQuads(ILBaseArray data) {
if (data == null || data.Length == 0) {
Clear();
m_quads = new ILQuad[0];
} else {
Clear();
m_quads = new ILQuad[data.Length];
ILColorEnumerator colors = new ILColorEnumerator();
ILArray<float> fData = null;
if (data is ILArray<float>) {
fData = (ILArray<float>)data;
} else {
fData = ILMath.tosingle(data);
}
for (int i = 0; i < m_quads.Length; i++) {
m_quads[i] = new ILQuad(m_panel);
m_quads[i].Border.Visible = true;
m_quads[i].FillColor = colors.NextColor();
ILPoint3Df pos = new ILPoint3Df();
pos.X = i - m_barWidth / 2;
pos.Y = 0;
pos.Z = -0.5f;
m_quads[i].Vertices[0].Position = pos;
pos.X += m_barWidth;
m_quads[i].Vertices[1].Position = pos;
pos.Y += fData.GetValue(i);
m_quads[i].Vertices[2].Position = pos;
pos.X -= m_barWidth;
m_quads[i].Vertices[3].Position = pos;
// label the bar
m_quads[i].Label.Text = i.ToString();
m_quads[i].Label.Anchor = new PointF(.5f,-1);
// bars will be transparent, oldest fading to OpacityOldest
m_quads[i].Opacity = (byte)(m_oldestOpacity + i * (255 - m_oldestOpacity) / m_quads.Length);
// add the bar to the scene graph node (base)
Add(m_quads[i]);
}
}
}
/// <summary>
/// (internal use)
/// </summary>
/// <param name="p">render properties</param>
/// <param name="center">center position for the label</param>
public void Draw(ILRenderProperties p, ILPoint3Df center ) {
if (!String.IsNullOrEmpty(Text)) {
if (m_expression != m_cachedExpression)
interprete(m_expression);
double[] modelview = null;
m_renderer.Begin(p, ref modelview);
Point dest = m_panel.World2Screen(center, modelview);
offsetAlignment(m_size, ref dest);
if (m_fringeColor.IsEmpty) {
m_renderer.Draw(m_renderQueue, dest, TextOrientation.Horizontal, m_color);
} else {
drawFringed(m_renderer, m_renderQueue, dest, TextOrientation.Horizontal, m_color);
}
m_renderer.End(p);
}
}
/// <summary>
/// add 'new' bar with new value and remove oldest bar
/// </summary>
/// <param name="value">height of new bar</param>
/// <returns>discarded value</returns>
public float Queue(float value) {
// we move all shapes by 1 left
ILPoint3Df offset = new ILPoint3Df(-1f,0,0);
for (int i = 0; i < m_quads.Length; i++) {
m_quads[i].Translate(offset);
// FADE OUt old barsss ....
m_quads[(i + m_oldestBarIndex) % (m_quads.Length - 1)].Opacity
= (byte)(m_oldestOpacity + i * (255 - m_oldestOpacity) / m_quads.Length);
// tell the scene to update its size
m_quads[i].Invalidate();
}
// configure oldest graph
ILQuad newestQuad = m_quads[m_oldestBarIndex];
offset.X = m_quads.Length;
newestQuad.Translate(offset);
float ret = newestQuad.Vertices[2].YPosition;
newestQuad.Vertices[2].YPosition = value;
newestQuad.Vertices[3].YPosition = value;
newestQuad.Opacity = 255;
if (++m_oldestBarIndex >= m_quads.Length)
m_oldestBarIndex = 0;
return ret;
}
public override Point World2Screen(ILPoint3Df world, double[] modelview) {
Vector3 w = new Vector3(world.X, world.Y, world.Z);
Vector3 screen;
Glu.Project(w,modelview, m_projMatrix, m_viewMatrix, out screen);
return new Point((int)screen.X,(int)(ClientSize.Height - screen.Y));
}
/// <summary>
/// Transform 2 world coordinates into screen coords under current matrices
/// </summary>
/// <param name="p1_3D">world coord point 1</param>
/// <param name="p2_3D">world coord point 2</param>
/// <param name="p1_2D">(output) screen coord point 1</param>
/// <param name="p2_2D">(output) screen coord point 2</param>
public override void World2Screen(ILPoint3Df p1_3D, ILPoint3Df p2_3D, out Point p1_2D, out Point p2_2D) {
Vector3 s = new Vector3();
Vector3 e = new Vector3();
Glu.Project(new Vector3(p1_3D.X, p1_3D.Y, p1_3D.Z),
m_modelViewMatrix, m_projMatrix, m_viewMatrix, out s);
Glu.Project(new Vector3(p2_3D.X, p2_3D.Y, p2_3D.Z),
m_modelViewMatrix, m_projMatrix, m_viewMatrix, out e);
p1_2D = new Point((int)s.X,(int)(ClientSize.Height - s.Y));
p2_2D = new Point((int)e.X,(int)(ClientSize.Height - e.Y));
}
/// <summary>
/// transform from screen space into world space using OpenGL
/// </summary>
/// <param name="x">screen X</param>
/// <param name="y">screen Y</param>
/// <returns>world coord</returns>
public override void Screen2World(int x, int y, out ILPoint3Df nearClip, out ILPoint3Df farClip) {
// TODO: check the Z coord values. 0.68 here was result of trial only!
Vector3 far,near;
Glu.UnProject(new Vector3(x, y, 0.0f),m_modelViewMatrix, m_projMatrix, m_viewMatrix, out near);
Glu.UnProject(new Vector3(x, y, 1.0f),m_modelViewMatrix, m_projMatrix, m_viewMatrix, out far);
// transform back from unit cube to clipping view
farClip = new ILPoint3Df(far.X,far.Y,far.Z); //m_clippingView.Map(far.X, far.Y, far.Z);
nearClip = new ILPoint3Df(near.X, near.Y, near.Z); //m_clippingView.Map(near.X, near.Y, near.Z);
}