public override bool Run(FeatureContext context)
{
const float len = 100.0f;
const int nDim = 50;
float[] pointBuffer = new float[nDim * nDim * nDim * 3];
float[] colorBuffer = new float[nDim * nDim * nDim * 3];
int idx = -1;
for (int ii = 0; ii < nDim; ++ii)
{
for (int jj = 0; jj < nDim; ++jj)
{
for (int kk = 0; kk < nDim; ++kk)
{
++idx;
pointBuffer[idx * 3] = ii * len;
pointBuffer[idx * 3 + 1] = jj * len;
pointBuffer[idx * 3 + 2] = kk * len;
colorBuffer[idx * 3] = ((float)ii) / ((float)nDim);
colorBuffer[idx * 3 + 1] = ((float)jj) / ((float)nDim);
colorBuffer[idx * 3 + 2] = ((float)kk) / ((float)nDim);
}
}
}
PointStyle pointStyle = new PointStyle();
//pointStyle.SetPointSize(4.0f);
pointStyle.SetMarker("cross");
PointCloudNode pcn = new PointCloudNode();
pcn.SetPointStyle(pointStyle);
pcn.SetPoints(pointBuffer);
pcn.SetColors(colorBuffer);
pcn.ComputeBBox();
AABox bbox = pcn.GetBBox();
Vector3 pt = bbox.MinPt;
context.ShowSceneNode(pcn);
return(true);
}
private void largePointsToolStripMenuItem_Click(object sender, EventArgs e)
{
const float len = 100.0f;
const int nDim = 50;
float[] pointBuffer = new float[nDim * nDim * nDim * 3];
float[] colorBuffer = new float[nDim*nDim*nDim*3];
int idx = -1;
for (int ii = 0; ii < nDim; ++ii)
for (int jj = 0; jj < nDim; ++jj)
for (int kk = 0; kk < nDim; ++kk)
{
++idx;
pointBuffer[idx * 3] = ii * len;
pointBuffer[idx * 3 + 1] = jj * len;
pointBuffer[idx * 3 + 2] = kk * len;
colorBuffer[idx*3] = ((float)ii)/((float)nDim);
colorBuffer[idx*3 + 1] = ((float)jj)/((float)nDim);
colorBuffer[idx * 3 + 2] = ((float)kk) / ((float)nDim);
}
PointStyle pointStyle = new PointStyle();
pointStyle.SetPointSize(4.0f);
PointCloudNode pcn = new PointCloudNode();
pcn.SetPointStyle(pointStyle);
pcn.SetPoints(pointBuffer);
pcn.SetColors(colorBuffer);
pcn.ComputeBBox();
AABox bbox = pcn.GetBBox();
Vector3 pt = bbox.MinPt;
renderView.SceneManager.AddNode(pcn);
renderView.RequestDraw();
}
public override bool Run(FeatureContext context)
{
OpenFileDialog dlg = new OpenFileDialog();
dlg.Filter = "Deformation File (*.txt)|*.txt||";
if (DialogResult.OK != dlg.ShowDialog())
{
return(true);
}
String fileName = dlg.FileName;
StreamReader sr = new StreamReader(fileName, Encoding.Default);
String line = sr.ReadLine();
List <DeformationNode> nodes = new List <DeformationNode>();
float maxValue = float.NegativeInfinity;
float minValue = float.PositiveInfinity;
while ((line = sr.ReadLine()) != null)
{
String[] items = line.Split('\t');
DeformationNode node = new DeformationNode();
node.Id = int.Parse(items[0]);
node.X = float.Parse(items[1]);
node.Y = float.Parse(items[2]);
node.Z = float.Parse(items[3]);
node.Data = float.Parse(items[4]);
nodes.Add(node);
if (node.Data > maxValue)
{
maxValue = node.Data;
}
if (node.Data < minValue)
{
minValue = node.Data;
}
}
float[] pointBuffer = new float[nodes.Count * 3];
float[] colorBuffer = new float[nodes.Count * 3];
float range = maxValue - minValue;
List <ColorValue> colorTables = new List <ColorValue>();
colorTables.Add(new ColorValue(0, 0, 1.0f));
colorTables.Add(new ColorValue(0, 108.0f / 255.0f, 1.0f));
colorTables.Add(new ColorValue(0, 197.0f / 255.0f, 1.0f));
colorTables.Add(new ColorValue(0, 243 / 255.0f, 1.0f));
colorTables.Add(new ColorValue(0, 1.0f, 219.0f / 255.0f));
colorTables.Add(new ColorValue(0, 1.0f, 165.0f / 255.0f));
colorTables.Add(new ColorValue(0, 1.0f, 54.0f / 255.0f));
colorTables.Add(new ColorValue(54.0f / 255.0f, 1.0f, 0));
colorTables.Add(new ColorValue(219.0f / 255.0f, 1.0f, 0));
//colorTables.Add(new ColorValue(238.0f / 255.0f, 249.0f/255.0f, 0));
colorTables.Add(new ColorValue(238.0f / 255.0f, 249.0f / 255.0f, 0));
colorTables.Add(new ColorValue(255.0f / 255.0f, 197.0f / 255.0f, 0));
colorTables.Add(new ColorValue(251.0f / 255.0f, 102.0f / 255.0f, 17.0f / 255.0f));
colorTables.Add(new ColorValue(1.0f, 0.0f, 0.0f));
float segment = range / (colorTables.Count);
int ii = -1;
foreach (DeformationNode node in nodes)
{
int idx = (int)(node.Data / segment);
if (idx >= colorTables.Count)
{
idx -= 1;
}
ColorValue clr = colorTables.ElementAt(idx);
pointBuffer[++ii] = node.X;
colorBuffer[ii] = clr.R;
pointBuffer[++ii] = node.Y;
colorBuffer[ii] = clr.G;
pointBuffer[++ii] = node.Z;
colorBuffer[ii] = clr.B;
}
PointCloudNode pcn = new PointCloudNode();
pcn.SetPoints(pointBuffer);
pcn.SetColors(colorBuffer);
pcn.ComputeBBox();
context.ShowSceneNode(pcn);
return(true);
}