private Color4[] CreateDistanceColors()
{
// Here we prepare list of materials that will be used to for arrows on different distances from the gold sphere
// We use HeightMapMesh3D.GetGradientColorsArray to create an array with color values created from the gradient. The array size is 30.
var gradientStopCollection = new GradientStopCollection();
gradientStopCollection.Add(new GradientStop(Colors.Red, 0)); // uses with min distance - closest to the object
gradientStopCollection.Add(new GradientStop(Colors.Orange, 0.2)); // uses with min distance - closest to the object
gradientStopCollection.Add(new GradientStop(Colors.Yellow, 0.4)); // uses with min distance - closest to the object
gradientStopCollection.Add(new GradientStop(Colors.Green, 0.6)); // uses with min distance - closest to the object
gradientStopCollection.Add(new GradientStop(Colors.DarkBlue, 0.8)); // used with max distance
gradientStopCollection.Add(new GradientStop(Colors.DodgerBlue, 1)); // used with max distance
var linearGradientBrush = new LinearGradientBrush(gradientStopCollection, new Point(0, 0), new Point(0, 1));
// Use linearGradientBrush to create an array with 128 Colors
var gradientColorsArray = HeightMapMesh3D.GetGradientColorsArray(linearGradientBrush, 128);
var gradientColors = new Color4[gradientColorsArray.Length];
for (int i = 0; i < gradientColorsArray.Length; i++)
{
gradientColors[i] = gradientColorsArray[i].ToColor4();
}
return(gradientColors);
}
private static void EnsureGradientColorsArray()
{
// We use HeightMapMesh3D.GetGradientColorsArray to create an array with color values created from the gradient. The array size is 30.
var gradientStopCollection = new GradientStopCollection();
gradientStopCollection.Add(new GradientStop(Colors.Yellow, 1));
gradientStopCollection.Add(new GradientStop(Colors.DodgerBlue, 0));
var linearGradientBrush = new LinearGradientBrush(gradientStopCollection, new Point(0, 0), new Point(0, 1));
_gradientColorsArray = HeightMapMesh3D.GetGradientColorsArray(linearGradientBrush, 30);
}
public Graph3D()
{
InitializeComponent();
CameraControllerInfo.AddCustomInfoLine(0, Ab3d.Controls.MouseCameraController.MouseAndKeyboardConditions.LeftMouseButtonPressed, "Click to select sphere\r\nDrag for rectangular section");
var linearGradientBrush = CreateGradientBrush();
_gradientColorsArray = HeightMapMesh3D.GetGradientColorsArray(linearGradientBrush, 30);
LegendRectangle.Fill = linearGradientBrush;
_xyDataRange = new Rect(-10, -10, 20, 20);
_sampleData = GenerateRandomData(_xyDataRange, relativeMargin: 0.2, dataCount: 20);
// Setup axis limits and shown values
AxesBox.SetAxisDataRange(AxesBoxVisual3D.AxisTypes.XAxis, minimumValue: 0, maximumValue: _sampleData.Count, majorTicksStep: 2, minorTicksStep: 0, snapMaximumValueToMajorTicks: true);
AxesBox.SetAxisDataRange(AxesBoxVisual3D.AxisTypes.YAxis, minimumValue: _xyDataRange.Y, maximumValue: _xyDataRange.Y + _xyDataRange.Height, majorTicksStep: 5, minorTicksStep: 2.5, snapMaximumValueToMajorTicks: true);
AxesBox.SetAxisDataRange(AxesBoxVisual3D.AxisTypes.ZAxis, minimumValue: _xyDataRange.X, maximumValue: _xyDataRange.X + _xyDataRange.Width, majorTicksStep: 5, minorTicksStep: 2.5, snapMaximumValueToMajorTicks: true);
// All data will be displayed in a 3D box defined below:
var displayedDataBounds = new Rect3D(AxesBox.CenterPosition.X - AxesBox.Size.X * 0.5,
AxesBox.CenterPosition.Y - AxesBox.Size.Y * 0.5,
AxesBox.CenterPosition.Z - AxesBox.Size.Z * 0.5,
AxesBox.Size.X,
AxesBox.Size.Y,
AxesBox.Size.Z);
ShowData(_sampleData, displayedDataBounds, _xyDataRange);
UpdateSelectedSpheresData();
MinValueTextBlock.Text = string.Format("{0:0}", _xyDataRange.Y);
MaxValueTextBlock.Text = string.Format("{0:0}", _xyDataRange.Y + _xyDataRange.Height);
// Subscribe mouse events that will be used to create selection rectangle
ViewportBorder.MouseLeftButtonDown += SelectionOverlayCanvasOnMouseLeftButtonDown;
ViewportBorder.MouseMove += SelectionOverlayCanvasOnMouseMove;
ViewportBorder.MouseLeftButtonUp += SelectionOverlayCanvasOnMouseLeftButtonUp;
}
