/// <summary>
/// create new color enumeration based on a specific colormap
/// </summary>
/// <param name="basemap"></param>
public ILColorEnumerator(Colormaps basemap)
{
ILColormap cm = new ILColormap(basemap);
m_colors = new List <Color>();
for (int i = 0; i < cm.Length; i++)
{
m_colors.Add(cm.Map(i));
}
m_curPos = 0;
}
private void create(ILBaseArray data, Colormaps colormap) {
ILArray<float> dataF = ILNumerics.BuiltInFunctions.ILMath.tosingle(data);
m_boxes = new ILLitBox3D[data.Dimensions[0],data.Dimensions[1]];
float maxY = data.Dimensions[0] * (m_barLengthY + m_paddingY);
// prepare coloring for top quads
ILColormap cmap = new ILColormap(colormap);
float minV,maxV,mult;
dataF.GetLimits(out minV, out maxV);
if (maxV > minV) {
mult = (cmap.Length - 1) / (maxV - minV);
} else {
minV = 0;
mult = 0;
}
for (int r = 0; r < data.Dimensions[0]; r++) {
for (int c = 0; c < data.Dimensions[1]; c++) {
float val = dataF.GetValue(r, c);
ILPoint3Df max = new ILPoint3Df(
(float)(c * (m_paddingX + m_barLengthX) + m_barLengthX)
, (float)(maxY - r * (m_paddingY + m_barLengthY))
, val);
ILPoint3Df min = new ILPoint3Df(
max.X - m_barLengthX
, max.Y - m_barLengthY
, 0);
Color topColor = cmap.Map((double)(val - minV) * mult);
ILLitBox3D box = new ILLitBox3D(m_panel,min,max,m_barColor,topColor);
box.GradientColor = m_barColorGradient;
box.TopLabel.Color = topColor;
box.TopLabel.Text = "";
m_boxes[r, c] = box;
Add(box);
}
}
}
public static ILArray<int> configureVertices(
ILArray<float> xVals, ILArray<float> yVals,
ILArray<float> zVals, ILColormap cmap, C4fN3fV3f[] Vertices, byte opacity) {
int i = 0, x, y, y0 = zVals.Dimensions[0] - 1;
float minZ, maxZ;
if (!zVals.GetLimits(out minZ, out maxZ,false))
minZ = maxZ = 1.0f;
x = 0;
y = 0;
ILArray<float> colors = (tosingle((zVals - minZ) / (maxZ - minZ)))[":"] * (cmap.Length - 1);
colors[isnan(colors)] = 0;
bool useXvals = (xVals != null && !xVals.IsEmpty);
bool useYvals = (yVals != null && !yVals.IsEmpty);
foreach (float a in zVals.Values) {
C4fN3fV3f v = Vertices[i];
v.Position = new ILPoint3Df(
(useXvals)? xVals.GetValue(y,x): x
,(useYvals)? yVals.GetValue(y,x): y0 - y
, a);
byte r, g, b;
cmap.Map(colors.GetValue(i), out r, out g, out b);
v.Color = Color.FromArgb(255, r, g, b);
v.Alpha = opacity;
Vertices[i++] = v;
// set next position
if (++y >= zVals.Dimensions[0]) {
x++;
y = 0;
}
}
// create quad indices
int numQuad = (zVals.Dimensions[0] - 1) * (zVals.Dimensions[1] - 1);
x = 0; y = 0;
ILArray<double> ret = zeros(4, numQuad);
ILArray<double> mult = counter(0.0, 1.0, zVals.Dimensions.ToIntArray());
mult = mult["0:" + (zVals.Dimensions[0] - 2), "0:" + (zVals.Dimensions[1] - 2)];
mult = mult[":"].T;
ret["0;:"] = mult;
ret["3;:"] = mult + 1;
mult = mult + zVals.Dimensions.SequentialIndexDistance(1);
ret["2;:"] = mult + 1;
ret["1;:"] = mult;
return toint32(ret);
}
internal static ILArray<double> CreateVertices(ILBaseArray dataInput
,out ILArray<double> indices
,double beta, double scaling
, ILColormap colormap) {
// each arrow needs 4 vertices (indexed rendering)
ILArray<double> data = todouble(dataInput);
int numRows = data.Dimensions[0];
int numCols = data.Dimensions[1];
ILArray<double> ret = new ILArray<double>(4, numCols * numRows, 2);
// prepare indices
indices = repmat(new ILArray<double>(new double[] { 0, 2, 1, 2, 3, 2 }, 6, 1), 1, numCols * numRows);
indices = indices + repmat(counter(0.0, 4.0, 1, numCols * numRows), 6, 1);
indices = indices.Reshape(2, numRows * numCols * 3);
// normalize incoming data to length 1.0
ILArray<double> l = sqrt(sum(data * data, 2));
double maxL = (double)max(maxall(l),MachineParameterDouble.eps);
l = (l / maxL)[":"].T * scaling;
ILArray<double> alpha = atan2(data[":;:;1"], data[":;:;0"]);
alpha = alpha[":"].T;
ILArray<double> x = data[":;:;0"][":"].T * scaling;
ILArray<double> y = data[":;:;1"][":"].T * scaling;
ILArray<double> xO = repmat(linspace(1, numCols, numCols), numRows, 1)[":"].T;
ILArray<double> yO = repmat(linspace(numRows, 1, numRows).T, 1, numCols)[":"].T;
ret["0;:;0"] = xO - x;
ret["1;:;0"] = xO + x - l / 2 * cos(alpha + beta);
ret["2;:;0"] = xO + x;
ret["3;:;0"] = xO + x - l / 2 * cos(alpha - beta);
ret["0;:;1"] = yO - y;
ret["1;:;1"] = yO + y - l / 2 * sin(alpha + beta);
ret["2;:;1"] = yO + y;
ret["3;:;1"] = yO + y - l / 2 * sin(alpha - beta);
ret["0;0;2"] = 0.0;
// prepare colors
ret[":;:;3:5"] = todouble(
repmat(colormap.Map
(tosingle(l) * colormap.Length).Reshape(1, l.Length, 3) * 255, 4, 1, 1));
return ret.Reshape(4 * numRows * numCols, 6).T;
}