public override void Do(IDemoChartControl chartControl)
{
// Load bitmap image.
var colorTextureSource = new BitmapImage(new Uri(@"pack://*****:*****@"pack://application:,,,/Demo.Features;component/Resources/bump01.bmp"));
float ratio = (float)colorTextureSource.PixelHeight / colorTextureSource.PixelWidth;
// Create default reader for Wpf bitmap sources.
var reader = new BitmapSourceRasterImage2DReader(colorTextureSource);
// Create bump reader.
var bumpReader = new BitmapSourceRasterImage2DReader(bumpTextureSource);
// Create geometry for both raster data-s.
var geometry = new RectTextureGeometry
{
Origin = Vector3F.Zero,
DirectionX = Vector3F.UnitX,
DirectionY = Vector3F.UnitY,
Size = new Vector2F(1f, ratio)
};
// Create non-bump raster data object.
var rasterData = new RasterData
{
// Set image interpolation type.
InterpolationType = RasterDataInterpolationType.Linear,
// Set image reader.
Reader = reader,
// Set name.
Name = "Default",
// Set geometry
Geometry = geometry
};
// Create bump render data object.
var bumpRasterData = new RasterData
{
// Set image interpolation type.
InterpolationType = RasterDataInterpolationType.Linear,
// Set image reader.
Reader = reader,
// Set bump image reader.
BumpReader = bumpReader,
// Set name.
Name = "Bump",
// Specify some material custom settings.
Material = new RenderMaterial(0.25f, 0.6f, 0.6f, 0f, 0f),
// Set geometry
Geometry = geometry
};
// Setup bump raster data offset matrix.
bumpRasterData.Transform = Matrix4F.Translation(1.25f, 0, 0);
// Setup chart data source.
chartControl.DataSource = new RenderData[] { rasterData, bumpRasterData };
}
public override void Do(IDemoChartControl chartControl)
{
const int pointsCount = 1_000;
const float amplitude = 0.6f;
// Calculate points on line.
var points = new Vector3F[pointsCount];
for (var i = 0; i < pointsCount; i++)
{
float scaledCoord = i / (float)pointsCount;
points[i] = new Vector3F(
scaledCoord,
amplitude * (float)(Math.Cos(5 * 2 * Math.PI * scaledCoord) + 0.5f),
amplitude * (float)(Math.Sin(5 * Math.PI * scaledCoord) + 0.5f));
}
// Create line.
var line = new Line
{
Points = points,
Strip = true,
Color = Colors.Blue,
Thickness = 3,
Name = "Main line"
};
// Add labels.
const int labelStep = 100;
var renderData = new List <RenderData> {
line
};
int labelIndex = 0;
for (var i = 0; i < pointsCount; i += labelStep)
{
renderData.Add(new Label
{
Text = (i / labelStep).ToString(),
FontFamily = "Arial",
FontSize = 18,
Transform = Matrix4F.Translation(points[i]),
Background = Colors.White,
Name = $"Label {labelIndex++}"
});
}
// Show axes.
chartControl.Axes.IsAxes3DVisible = true;
// Show result.
chartControl.DataSource = renderData.ToArray();
}
public override void Do(IDemoChartControl chartControl)
{
// Create mesh for rendering. We need a cube.
Mesh cubeMesh = CubeMeshFactory.GenerateCube();
// Generates cube transformation matrixes and it's colors.
Matrix4F[] transformations = new Matrix4F[TotalBarCount];
Color4[] colors = new Color4[TotalBarCount];
int index = 0;
for (int x = 0; x < GridSize; x++)
{
for (int y = 0; y < GridSize; y++)
{
// Randomize block height.
float height = (float)random.NextDouble() * MaxHeight;
// Compute current bar transformation matrix.
// Scaling matrix is used for size scaling. Translation matrix is used for positioning.
transformations[index] = Matrix4F.Scaling(BlockSize, BlockSize, height) *
Matrix4F.Translation(GridStep * x, GridStep * y, height / 2);
// Randomize color.
colors[index] = DemoHelper.RandomizeColor();
index++;
}
}
// Create presentation object.
var primitiveCollection = new MultiColorPrimitiveCollection
{
// Set mesh.
Mesh = cubeMesh,
// Set name.
Name = "Bars",
// Set custom material.
Material = new RenderMaterial(0.35f, 0.5f, 0.6f, 0.0f, 0.0f)
};
// Set transforms.
primitiveCollection.SetTransformsAndColor(transformations, colors);
// Set chart options.
chartControl.Axes.IsAxes3DVisible = true;
// Set data source.
chartControl.DataSource = primitiveCollection;
}
public DistanceWidget()
{
Marker CreateMarker(Vector3F position, Color4 color, int pixelSize, string name)
{
// Create marker internal data.
var markerData = new Sphere
{
Color = color,
// Assign interactor to the render data.
Interactor = new MarkerInteractor(),
};
// Create marker object.
var marker = new Marker(markerData)
{
// Set it's pixel size.
PixelSize = pixelSize,
// Set it's translation.
Transform = Matrix4F.Translation(position),
// Set it's name.
Name = name
};
// Set render data parent as tag because we'll use it in it's interactor.
markerData.Tag = marker;
return(marker);
}
// Create markers.
Marker firstMarker = CreateMarker(new Vector3F(0.2f), Colors.Blue, 50, "Marker 1");
Marker secondMarker = CreateMarker(new Vector3F(0.8f), Colors.Green, 50, "Marker 2");
// Create distance line.
var line = new Line
{
Color = Colors.Black,
Thickness = 3.0f,
Name = "Line",
};
Line CreateLabelOffsetLine() =>
new Line
{
Color = Colors.DarkRed,
Thickness = 1.0f,
IsLegendVisible = false
};
Label CreateInfoLabel() =>
new Label
{
IsLegendVisible = false,
FontColor = Colors.Black,
Background = Colors.White,
BorderColor = Colors.Black,
MarkerColor = Colors.DarkRed,
MarkerRadius = 5,
BorderThickness = 1,
FontFamily = "Tahoma",
FontSize = 12
};
string ToString(Vector3F position) => $"{position.X:G3}; {position.Y:G3}; {position.Z:G3}";
// Create label offset lines.
Line distanceLabelOffsetLine = CreateLabelOffsetLine();
Line firstLabelOffsetLine = CreateLabelOffsetLine();
Line secondLabelOffsetLine = CreateLabelOffsetLine();
// Create info labels.
Label distanceLabel = CreateInfoLabel();
Label firstLabel = CreateInfoLabel();
Label secondLabel = CreateInfoLabel();
void ResetLinePoints()
{
const float labelOffsetLength = 0.4f;
// Reset line points according to markers positions.
line.Points = new[] { firstMarker.Transform.GetTranslation(), secondMarker.Transform.GetTranslation() };
// Reset label position as center of distance line.
Vector3F lineCenter = (line.Points[0] + line.Points[1]) / 2;
Vector3F lineDirectionVector = (line.Points[0] - line.Points[1]).GetNormalized();
Vector3F labelOffsetVector = lineDirectionVector.Cross(Vector3F.UnitZ);
Vector3F totalOffset = labelOffsetLength * labelOffsetVector;
distanceLabel.Position = lineCenter + labelOffsetLength * labelOffsetVector;
firstLabel.Position = firstMarker.Transform.GetTranslation() + totalOffset;
secondLabel.Position = secondMarker.Transform.GetTranslation() + totalOffset;
distanceLabelOffsetLine.Points = new[] { lineCenter, lineCenter + totalOffset };
firstLabelOffsetLine.Points = new[] { line.Points[0], line.Points[0] + totalOffset };
secondLabelOffsetLine.Points = new[] { line.Points[1], line.Points[1] + totalOffset };
// Reset label text as distance.
distanceLabel.Text = (line.Points[0] - line.Points[1]).GetLength().ToString("G4");
firstLabel.Text = ToString(line.Points[0]);
secondLabel.Text = ToString(line.Points[1]);
}
// Attach property handlers.
firstMarker.PropertyChanged += (sender, e) =>
{
if (e.PropertyName == nameof(RenderData.Transform))
{
ResetLinePoints();
}
;
};
secondMarker.PropertyChanged += (sender, e) =>
{
if (e.PropertyName == nameof(RenderData.Transform))
{
ResetLinePoints();
}
};
ResetLinePoints();
// Add elements to the container collection.
Collection.Add(firstMarker);
Collection.Add(secondMarker);
Collection.Add(line);
Collection.Add(firstLabelOffsetLine);
Collection.Add(secondLabelOffsetLine);
Collection.Add(distanceLabelOffsetLine);
Collection.Add(firstLabel);
Collection.Add(secondLabel);
Collection.Add(distanceLabel);
}
