/// <summary>
/// For a given plot point of index oldplotindex, finds the index and coordinates of a plot point
/// of index oldplotindex+increment.
/// </summary>
/// <param name="layer">The layer this plot belongs to.</param>
/// <param name="oldplotindex">Old plot index.</param>
/// <param name="increment">Increment to the plot index.</param>
/// <returns>Information about the new plot point find at position (oldplotindex+increment). Returns null if no such point exists.</returns>
public XYScatterPointInformation GetNextPlotPoint(IPlotArea layer, int oldplotindex, int increment)
{
Processed2DPlotData pdata;
if (null != (pdata = _cachedPlotDataUsedForPainting))
{
PlotRangeList rangeList = pdata.RangeList;
PointF[] ptArray = pdata.PlotPointsInAbsoluteLayerCoordinates;
if (ptArray.Length == 0)
{
return(null);
}
int minindex = oldplotindex + increment;
minindex = Math.Max(minindex, 0);
minindex = Math.Min(minindex, ptArray.Length - 1);
// ok, minindex is the point we are looking for
// so we have a look in the rangeList, what row it belongs to
int rowindex = rangeList.GetRowIndexForPlotIndex(minindex);
return(new XYScatterPointInformation(ptArray[minindex], rowindex, minindex));
}
return(null);
}
/// <summary>
/// Returns the index of a scatter point that is closest to the location <c>hitpoint</c>
/// </summary>
/// <param name="layer">The layer in which this plot item is drawn into.</param>
/// <param name="hitpoint">The point where the mouse is pressed.</param>
/// <returns>The information about the point that is nearest to the location, or null if it can not be determined.</returns>
public XYZScatterPointInformation GetNearestPlotPoint(IPlotArea layer, HitTestPointData hitpoint)
{
Processed3DPlotData pdata;
if (null != (pdata = _cachedPlotDataUsedForPainting))
{
PlotRangeList rangeList = pdata.RangeList;
var ptArray = pdata.PlotPointsInAbsoluteLayerCoordinates;
double mindistance = double.MaxValue;
int minindex = -1;
var hitTransformation = hitpoint.HitTransformation;
var lineStart = hitTransformation.Transform(ptArray[0]).PointD2DWithoutZ;
for (int i = 1; i < ptArray.Length; i++)
{
var lineEnd = hitTransformation.Transform(ptArray[i]).PointD2DWithoutZ;
double distance = Math2D.SquareDistanceLineToPoint(PointD2D.Empty, lineStart, lineEnd);
if (distance < mindistance)
{
mindistance = distance;
minindex = Math2D.Distance(lineStart, PointD2D.Empty) < Math2D.Distance(lineEnd, PointD2D.Empty) ? i - 1 : i;
}
lineStart = lineEnd;
}
// ok, minindex is the point we are looking for
// so we have a look in the rangeList, what row it belongs to
int rowindex = rangeList.GetRowIndexForPlotIndex(minindex);
return(new XYZScatterPointInformation(ptArray[minindex], rowindex, minindex));
}
return(null);
}
public void Paint(Graphics g, IPlotArea layer, Altaxo.Graph.Gdi.Plot.Data.Processed2DPlotData pdata, Processed2DPlotData prevItemData, Processed2DPlotData nextItemData)
{
if (_fillToPrevPlotItem && null != prevItemData)
{
PaintFillToPrevPlotItem(g, layer, pdata, prevItemData);
}
if (_fillToNextPlotItem && null != nextItemData)
{
// ensure that brush and pen are cached
if (null != _fillBrush)
{
_fillBrush.SetEnvironment(new RectangleD2D(PointD2D.Empty, layer.Size), BrushX.GetEffectiveMaximumResolution(g, 1));
}
PlotRangeList rangeList = pdata.RangeList;
int rangelistlen = rangeList.Count;
if (rangelistlen > 0)
{
// we have to ignore the missing points here, thus all ranges can be plotted
// as one range, i.e. continuously
// for this, we create the totalRange, which contains all ranges
var totalRange = new PlotRange(rangeList[0].LowerBound, rangeList[rangelistlen - 1].UpperBound);
_cachedPaintOneRange(g, pdata, totalRange, layer, nextItemData);
}
}
}
public void Paint(Graphics g, IPlotArea layer, Processed2DPlotData pdata, Processed2DPlotData prevItemData, Processed2DPlotData nextItemData)
{
// adjust the skip frequency if it was not set appropriate
if (_skipFrequency <= 0)
{
_skipFrequency = 1;
}
if (_independentOnShiftingGroupStyles)
{
_cachedLogicalShiftX = _cachedLogicalShiftY = 0;
}
PlotRangeList rangeList = pdata.RangeList;
if (_ignoreMissingDataPoints)
{
// in case we ignore the missing points, all ranges can be plotted
// as one range, i.e. continuously
// for this, we create the totalRange, which contains all ranges
var totalRange = new PlotRangeCompound(rangeList);
PaintOneRange(g, layer, totalRange, pdata);
}
else // we not ignore missing points, so plot all ranges separately
{
for (int i = 0; i < rangeList.Count; i++)
{
PaintOneRange(g, layer, rangeList[i], pdata);
}
}
}
/// <summary>
/// Returns the index of a scatter point that is nearest to the location <c>hitpoint</c>
/// </summary>
/// <param name="layer">The layer in which this plot item is drawn into.</param>
/// <param name="hitpoint">The point where the mouse is pressed.</param>
/// <returns>The information about the point that is nearest to the location, or null if it can not be determined.</returns>
public XYScatterPointInformation GetNearestPlotPoint(IPlotArea layer, PointD2D hitpoint)
{
Processed2DPlotData pdata;
if (null != (pdata = _cachedPlotDataUsedForPainting))
{
PlotRangeList rangeList = pdata.RangeList;
PointF[] ptArray = pdata.PlotPointsInAbsoluteLayerCoordinates;
double mindistance = double.MaxValue;
int minindex = -1;
for (int i = 1; i < ptArray.Length; i++)
{
double distance = Math2D.SquareDistanceLineToPoint(hitpoint, ptArray[i - 1], ptArray[i]);
if (distance < mindistance)
{
mindistance = distance;
minindex = Math2D.Distance(ptArray[i - 1], hitpoint) < Math2D.Distance(ptArray[i], hitpoint) ? i - 1 : i;
}
}
// ok, minindex is the point we are looking for
// so we have a look in the rangeList, what row it belongs to
int rowindex = rangeList.GetRowIndexForPlotIndex(minindex);
return(new XYScatterPointInformation(ptArray[minindex], rowindex, minindex));
}
return(null);
}
public void GetFillPath(GraphicsPath gp, IPlotArea layer, Processed2DPlotData pdata, CSPlaneID fillDirection)
{
PointF[] plotPositions = pdata.PlotPointsInAbsoluteLayerCoordinates;
if (0 != _cachedLogicalShiftX || 0 != _cachedLogicalShiftY)
{
plotPositions = Processed2DPlotData.GetPlotPointsInAbsoluteLayerCoordinatesWithShift(pdata, layer, _cachedLogicalShiftX, _cachedLogicalShiftY);
}
PlotRangeList rangeList = pdata.RangeList;
fillDirection = layer.UpdateCSPlaneID(fillDirection);
int rangelistlen = rangeList.Count;
if (_ignoreMissingDataPoints)
{
// in case we ignore the missing points, all ranges can be plotted
// as one range, i.e. continuously
// for this, we create the totalRange, which contains all ranges
var totalRange = new PlotRange(rangeList[0].LowerBound, rangeList[rangelistlen - 1].UpperBound);
_connectionStyle.FillOneRange(gp, pdata, totalRange, layer, fillDirection, _ignoreMissingDataPoints, _connectCircular, plotPositions, _cachedLogicalShiftX, _cachedLogicalShiftY);
}
else // we not ignore missing points, so plot all ranges separately
{
for (int i = 0; i < rangelistlen; i++)
{
_connectionStyle.FillOneRange(gp, pdata, rangeList[i], layer, fillDirection, _ignoreMissingDataPoints, _connectCircular, plotPositions, _cachedLogicalShiftX, _cachedLogicalShiftY);
}
}
}
public void Paint(Graphics g, IPlotArea layer, Processed2DPlotData pdata, Processed2DPlotData prevItemData, Processed2DPlotData nextItemData)
{
if (_connectionStyle is LineConnectionStyles.NoConnection)
{
return;
}
PointF[] plotPositions = pdata.PlotPointsInAbsoluteLayerCoordinates;
if (_independentOnShiftingGroupStyles)
{
_cachedLogicalShiftX = _cachedLogicalShiftY = 0;
}
if (0 != _cachedLogicalShiftX || 0 != _cachedLogicalShiftY)
{
plotPositions = Processed2DPlotData.GetPlotPointsInAbsoluteLayerCoordinatesWithShift(pdata, layer, _cachedLogicalShiftX, _cachedLogicalShiftY);
}
// ensure that brush and pen are cached
if (null != _framePen)
{
_framePen.Cached = true;
}
if (null != _fillBrush)
{
_fillBrush.SetEnvironment(new RectangleD2D(PointD2D.Empty, layer.Size), BrushX.GetEffectiveMaximumResolution(g, 1));
}
_fillDirection = layer.UpdateCSPlaneID(_fillDirection);
var gp = new GraphicsPath();
PlotRangeList rangeList = pdata.RangeList;
if (_ignoreMissingDataPoints)
{
// in case we ignore the missing points, all ranges can be plotted
// as one range, i.e. continuously
// for this, we create the totalRange, which contains all ranges
IPlotRange totalRange = new PlotRangeCompound(rangeList);
_connectionStyle.FillOneRange(gp, pdata, totalRange, layer, _fillDirection, _ignoreMissingDataPoints, _connectCircular, plotPositions, _cachedLogicalShiftX, _cachedLogicalShiftY);
}
else // we not ignore missing points, so plot all ranges separately
{
for (int i = 0; i < rangeList.Count; i++)
{
_connectionStyle.FillOneRange(gp, pdata, rangeList[i], layer, _fillDirection, _ignoreMissingDataPoints, _connectCircular, plotPositions, _cachedLogicalShiftX, _cachedLogicalShiftY);
}
}
g.FillPath(_fillBrush, gp);
g.DrawPath(_framePen, gp);
}
public void Paint(IGraphicsContext3D g, IPlotArea layer, Processed3DPlotData pdata, Processed3DPlotData prevItemData, Processed3DPlotData nextItemData)
{
PlotRangeList rangeList = pdata.RangeList;
var ptArray = pdata.PlotPointsInAbsoluteLayerCoordinates;
// adjust the skip frequency if it was not set appropriate
if (_skipFreq <= 0)
{
_skipFreq = 1;
}
// paint the scatter style
if (!ScatterSymbols.NoSymbol.Instance.Equals(_symbolShape))
{
PointD3D pos = PointD3D.Empty;
if (null == _cachedSymbolSizeForIndexFunction && null == _cachedColorForIndexFunction) // using a constant symbol size
{
for (int r = 0; r < rangeList.Count; r++)
{
var range = rangeList[r];
int lower = range.LowerBound;
int upper = range.UpperBound;
for (int j = lower; j < upper; j += _skipFreq)
{
_symbolShape.Paint(g, _material, ptArray[j], _symbolSize);
} // end for all points in range
} // end for all ranges
}
else // using a variable symbol size or variable symbol color
{
for (int r = 0; r < rangeList.Count; r++)
{
int lower = rangeList[r].LowerBound;
int upper = rangeList[r].UpperBound;
int offset = rangeList[r].OffsetToOriginal;
for (int j = lower; j < upper; j += _skipFreq)
{
if (null == _cachedColorForIndexFunction)
{
double customSymbolSize = _cachedSymbolSizeForIndexFunction(j + offset);
_symbolShape.Paint(g, _material, ptArray[j], customSymbolSize);
}
else
{
double customSymbolSize = null == _cachedSymbolSizeForIndexFunction ? _symbolSize : _cachedSymbolSizeForIndexFunction(j + offset);
var customSymbolColor = _cachedColorForIndexFunction(j + offset);
_symbolShape.Paint(g, _material.WithColor(NamedColor.FromArgb(customSymbolColor.A, customSymbolColor.R, customSymbolColor.G, customSymbolColor.B)), ptArray[j], customSymbolSize);
}
}
}
}
}
}
/// <summary>
/// Test wether the mouse hits a plot item.
/// </summary>
/// <param name="layer">The layer in which this plot item is drawn into.</param>
/// <param name="hitpoint">The point where the mouse is pressed.</param>
/// <returns>Null if no hit, or a <see cref="IHitTestObject" /> if there was a hit.</returns>
public override IHitTestObject HitTest(IPlotArea layer, PointD2D hitpoint)
{
Processed2DPlotData pdata = _cachedPlotDataUsedForPainting;
if (null == pdata)
{
return(null);
}
PlotRangeList rangeList = pdata.RangeList;
PointF[] ptArray = pdata.PlotPointsInAbsoluteLayerCoordinates;
if (ptArray.Length < 2)
{
return(null);
}
if (ptArray.Length < 2048)
{
if (GdiExtensionMethods.IsPointIntoDistance((PointF)hitpoint, 2.5, ptArray))
{
var gp = new GraphicsPath();
gp.AddLines(ptArray);
gp.Widen(new Pen(Color.Black, 5));
return(new HitTestObject(gp, this));
}
}
else // we have too much points for the graphics path, so make a hit test first
{
int hitindex = -1;
for (int i = 1; i < ptArray.Length; i++)
{
if (Math2D.IsPointIntoDistance((PointF)hitpoint, 5, ptArray[i - 1], ptArray[i]))
{
hitindex = i;
break;
}
}
if (hitindex < 0)
{
return(null);
}
var gp = new GraphicsPath();
int start = Math.Max(0, hitindex - 2);
gp.AddLine(ptArray[start], ptArray[start + 1]);
gp.AddLine(ptArray[start + 1], ptArray[start + 2]);
gp.Widen(new Pen(Color.Black, 5));
return(new HitTestObject(gp, this));
}
return(null);
}
/// <summary>
/// Test wether the mouse hits a plot item.
/// </summary>
/// <param name="layer">The layer in which this plot item is drawn into.</param>
/// <param name="hitpoint">The point where the mouse is pressed.</param>
/// <returns>Null if no hit, or a <see cref="IHitTestObject" /> if there was a hit.</returns>
public override IHitTestObject HitTest(IPlotArea layer, PointF hitpoint)
{
Processed2DPlotData pdata = _cachedPlotDataUsedForPainting;
if (null == pdata)
{
return(null);
}
PlotRangeList rangeList = pdata.RangeList;
PointF[] ptArray = pdata.PlotPointsInAbsoluteLayerCoordinates;
if (ptArray.Length < 2048)
{
GraphicsPath gp = new GraphicsPath();
gp.AddLines(ptArray);
if (gp.IsOutlineVisible(hitpoint.X, hitpoint.Y, new Pen(Color.Black, 5)))
{
gp.Widen(new Pen(Color.Black, 5));
return(new HitTestObject(gp, this));
}
}
else // we have too much points for the graphics path, so make a hit test first
{
int hitindex = -1;
for (int i = 1; i < ptArray.Length; i++)
{
if (Drawing2DRelated.IsPointIntoDistance(ptArray[i - 1], ptArray[i], hitpoint, 5))
{
hitindex = i;
break;
}
}
if (hitindex < 0)
{
return(null);
}
GraphicsPath gp = new GraphicsPath();
int start = Math.Max(0, hitindex - 1);
gp.AddLine(ptArray[start], ptArray[start + 1]);
gp.AddLine(ptArray[start + 1], ptArray[start + 2]);
gp.Widen(new Pen(Color.Black, 5));
return(new HitTestObject(gp, this));
}
return(null);
}
public void Paint(Graphics g, IPlotArea layer, Processed2DPlotData pdata, Processed2DPlotData prevItemData, Processed2DPlotData nextItemData)
{
// adjust the skip frequency if it was not set appropriate
if (_skipFreq <= 0)
{
_skipFreq = 1;
}
if (_scatterSymbol is NoSymbol)
{
return;
}
var cachedPathData = new CachedPathData();
var cachedBrushData = new CachedBrushData();
PlotRangeList rangeList = pdata.RangeList;
PointF[] plotPositions = pdata.PlotPointsInAbsoluteLayerCoordinates;
if (!_independentOnShiftingGroupStyles && (0 != _cachedLogicalShiftX || 0 != _cachedLogicalShiftY))
{
plotPositions = Processed2DPlotData.GetPlotPointsInAbsoluteLayerCoordinatesWithShift(pdata, layer, _cachedLogicalShiftX, _cachedLogicalShiftY);
}
// Calculate current scatterSymbol overridden with frame and inset
var scatterSymbol = CalculateOverriddenScatterSymbol();
if (_ignoreMissingDataPoints)
{
// in case we ignore the missing points, all ranges can be plotted
// as one range, i.e. continuously
// for this, we create the totalRange, which contains all ranges
var totalRange = new PlotRangeCompound(rangeList);
PaintOneRange(g, layer, plotPositions, totalRange, scatterSymbol, ref cachedPathData, ref cachedBrushData);
}
else // we not ignore missing points, so plot all ranges separately
{
for (int i = 0; i < rangeList.Count; i++)
{
PaintOneRange(g, layer, plotPositions, rangeList[i], scatterSymbol, ref cachedPathData, ref cachedBrushData);
}
}
cachedBrushData.Clear();
cachedPathData.Clear();
}
public void Paint(Graphics g, IPlotArea layer, Processed2DPlotData pdata)
{
PlotRangeList rangeList = pdata.RangeList;
PointF[] ptArray = pdata.PlotPointsInAbsoluteLayerCoordinates;
// adjust the skip frequency if it was not set appropriate
if (_skipFreq <= 0)
{
_skipFreq = 1;
}
// paint the drop style
if (this.DropLine.Count > 0)
{
foreach (CSPlaneID id in _dropLine)
{
layer.UpdateCSPlaneID(id);
}
int rangeidx = 0;
PlotRange range = pdata.RangeList[rangeidx];
for (int j = 0; j < ptArray.Length; j += _skipFreq)
{
// syncronize range
while (j >= range.UpperBound)
{
rangeidx++;
range = pdata.RangeList[rangeidx];
}
Logical3D r3d = layer.GetLogical3D(pdata, j + range.OffsetToOriginal);
foreach (CSPlaneID id in _dropLine)
{
layer.CoordinateSystem.DrawIsolineFromPointToPlane(g, this._pen, r3d, id);
}
}
} // end paint the drop style
// paint the scatter style
if (this.Shape != XYPlotScatterStyles.Shape.NoSymbol)
{
// save the graphics stat since we have to translate the origin
System.Drawing.Drawing2D.GraphicsState gs = g.Save();
float xpos = 0, ypos = 0;
float xdiff, ydiff;
for (int j = 0; j < ptArray.Length; j += _skipFreq)
{
xdiff = ptArray[j].X - xpos;
ydiff = ptArray[j].Y - ypos;
xpos = ptArray[j].X;
ypos = ptArray[j].Y;
g.TranslateTransform(xdiff, ydiff);
this.Paint(g);
} // end for
g.Restore(gs); // Restore the graphics state
}
}
public void Paint(System.Drawing.Graphics g, IPlotArea layer, Processed2DPlotData pdata, Processed2DPlotData prevItemData, Processed2DPlotData nextItemData)
{
if (null == pdata)
{
throw new ArgumentNullException(nameof(pdata));
}
PlotRangeList rangeList = pdata.RangeList;
System.Drawing.PointF[] ptArray = pdata.PlotPointsInAbsoluteLayerCoordinates;
layer.CoordinateSystem.LogicalToLayerCoordinates(new Logical3D(0, 0), out var xleft, out var ybottom);
layer.CoordinateSystem.LogicalToLayerCoordinates(new Logical3D(1, 1), out var xright, out var ytop);
float xe = (float)xright;
float ye = (float)ybottom;
var path = new GraphicsPath();
double globalBaseValue;
if (_usePhysicalBaseValue)
{
globalBaseValue = layer.YAxis.PhysicalVariantToNormal(_baseValue);
if (double.IsNaN(globalBaseValue))
{
globalBaseValue = 0;
}
}
else
{
globalBaseValue = _baseValue.ToDouble();
}
bool useVariableFillColor = null != _fillBrush && null != _cachedColorForIndexFunction && !_independentFillColor;
bool useVariableFrameColor = null != _framePen && null != _cachedColorForIndexFunction && !_independentFrameColor;
var fillBrush = _fillBrush == null ? null : useVariableFillColor?_fillBrush.Clone() : _fillBrush;
var framePen = _framePen == null ? null : useVariableFrameColor?_framePen.Clone() : _framePen;
int j = -1;
foreach (int originalRowIndex in pdata.RangeList.OriginalRowIndices())
{
j++;
double xcn = _xOffsetLogical + layer.XAxis.PhysicalVariantToNormal(pdata.GetXPhysical(originalRowIndex));
double xln = xcn - 0.5 * _xSizeLogical;
double xrn = xcn + 0.5 * _xSizeLogical;
double ycn = layer.YAxis.PhysicalVariantToNormal(pdata.GetYPhysical(originalRowIndex));
double ynbase = globalBaseValue;
if (_startAtPreviousItem && pdata.PreviousItemData != null)
{
double prevstart = layer.YAxis.PhysicalVariantToNormal(pdata.PreviousItemData.GetYPhysical(originalRowIndex));
if (!double.IsNaN(prevstart))
{
ynbase = prevstart;
ynbase += Math.Sign(ynbase - globalBaseValue) * _previousItemYGap;
}
}
path.Reset();
layer.CoordinateSystem.GetIsoline(path, new Logical3D(xln, ynbase), new Logical3D(xln, ycn));
layer.CoordinateSystem.GetIsoline(path, new Logical3D(xln, ycn), new Logical3D(xrn, ycn));
layer.CoordinateSystem.GetIsoline(path, new Logical3D(xrn, ycn), new Logical3D(xrn, ynbase));
layer.CoordinateSystem.GetIsoline(path, new Logical3D(xrn, ynbase), new Logical3D(xln, ynbase));
path.CloseFigure();
if (null != fillBrush)
{
if (useVariableFillColor)
{
fillBrush.Color = GdiColorHelper.ToNamedColor(_cachedColorForIndexFunction(originalRowIndex), "VariableColor");
}
fillBrush.SetEnvironment(path.GetBounds(), BrushX.GetEffectiveMaximumResolution(g, 1));
g.FillPath(fillBrush, path);
}
if (null != framePen)
{
if (useVariableFrameColor)
{
framePen.Color = GdiColorHelper.ToNamedColor(_cachedColorForIndexFunction(originalRowIndex), "VariableColor");
}
framePen.SetEnvironment(path.GetBounds(), BrushX.GetEffectiveMaximumResolution(g, 1));
g.DrawPath(framePen, path);
}
}
}
/// <summary>
/// This will create a point list out of the data, which can be used to plot the data. In order to create this list,
/// the function must have knowledge how to calculate the points out of the data. This will be done
/// by a function provided by the calling function.
/// </summary>
/// <param name="layer">The plot layer.</param>
/// <returns>An array of plot points in layer coordinates.</returns>
public Processed2DPlotData GetRangesAndPoints(
Gdi.IPlotArea layer)
{
const double MaxRelativeValue = 1E2;
Altaxo.Data.IReadableColumn xColumn = this.XColumn;
Altaxo.Data.IReadableColumn yColumn = this.YColumn;
if (null == xColumn || null == yColumn)
return null; // this plotitem is only for x and y double columns
Processed2DPlotData result = new Processed2DPlotData();
MyPlotData myPlotData = new MyPlotData(xColumn, yColumn);
result.XPhysicalAccessor = new IndexedPhysicalValueAccessor(myPlotData.GetXPhysical);
result.YPhysicalAccessor = new IndexedPhysicalValueAccessor(myPlotData.GetYPhysical);
PlotRangeList rangeList = null;
// allocate an array PointF to hold the line points
// _tlsBufferedPlotData is a static buffer that is allocated per thread
// and thus is only used temporary here in this routine
if (null == _tlsBufferedPlotData)
_tlsBufferedPlotData = new List<PointF>();
else
_tlsBufferedPlotData.Clear();
// Fill the array with values
// only the points where x and y are not NaNs are plotted!
bool bInPlotSpace = true;
int plotRangeStart = 0;
int rangeOffset = 0;
rangeList = new PlotRangeList();
result.RangeList = rangeList;
Scale xAxis = layer.XAxis;
Scale yAxis = layer.YAxis;
Gdi.G2DCoordinateSystem coordsys = layer.CoordinateSystem;
int maxRowIndex = GetMaximumRowIndexFromDataColumns();
int plotArrayIdx = 0;
foreach (int dataRowIdx in _dataRowSelection.GetSelectedRowIndicesFromTo(0, maxRowIndex, _dataTable?.Document?.DataColumns, maxRowIndex))
{
if (xColumn.IsElementEmpty(dataRowIdx) || yColumn.IsElementEmpty(dataRowIdx))
{
if (!bInPlotSpace)
{
bInPlotSpace = true;
rangeList.Add(new PlotRange(plotRangeStart, plotArrayIdx, rangeOffset));
}
continue;
}
double x_rel, y_rel;
double xcoord, ycoord;
x_rel = xAxis.PhysicalVariantToNormal(xColumn[dataRowIdx]);
y_rel = yAxis.PhysicalVariantToNormal(yColumn[dataRowIdx]);
// chop relative values to an range of about -+ 10^6
if (x_rel > MaxRelativeValue)
x_rel = MaxRelativeValue;
if (x_rel < -MaxRelativeValue)
x_rel = -MaxRelativeValue;
if (y_rel > MaxRelativeValue)
y_rel = MaxRelativeValue;
if (y_rel < -MaxRelativeValue)
y_rel = -MaxRelativeValue;
// after the conversion to relative coordinates it is possible
// that with the choosen axis the point is undefined
// (for instance negative values on a logarithmic axis)
// in this case the returned value is NaN
if (coordsys.LogicalToLayerCoordinates(new Logical3D(x_rel, y_rel), out xcoord, out ycoord))
{
if (bInPlotSpace)
{
bInPlotSpace = false;
plotRangeStart = plotArrayIdx;
rangeOffset = dataRowIdx - plotArrayIdx;
}
_tlsBufferedPlotData.Add(new PointF((float)xcoord, (float)ycoord));
plotArrayIdx++;
}
else
{
if (!bInPlotSpace)
{
bInPlotSpace = true;
rangeList.Add(new PlotRange(plotRangeStart, plotArrayIdx, rangeOffset));
}
}
} // end foreach
if (!bInPlotSpace)
{
bInPlotSpace = true;
rangeList.Add(new PlotRange(plotRangeStart, plotArrayIdx, rangeOffset)); // add the last range
}
result.PlotPointsInAbsoluteLayerCoordinates = _tlsBufferedPlotData.ToArray();
return result;
}
public void Paint(Graphics g,
IPlotArea layer,
Processed2DPlotData pdata)
{
if (this._labelColumn.Document == null)
{
return;
}
if (null != _attachedPlane)
{
layer.UpdateCSPlaneID(_attachedPlane);
}
PlotRangeList rangeList = pdata.RangeList;
PointF[] ptArray = pdata.PlotPointsInAbsoluteLayerCoordinates;
Altaxo.Data.IReadableColumn labelColumn = this._labelColumn.Document;
// save the graphics stat since we have to translate the origin
System.Drawing.Drawing2D.GraphicsState gs = g.Save();
/*
* double bottomPosition = 0;
* double topPosition = 0;
* double leftPosition = 0;
* double rightPosition = 0;
*
* layer.CoordinateSystem.LogicalToLayerCoordinates(0, 0, out leftPosition, out bottomPosition);
* layer.CoordinateSystem.LogicalToLayerCoordinates(1, 1, out rightPosition, out topPosition);
*/
double xpos = 0, ypos = 0;
double xpre, ypre;
double xdiff, ydiff;
for (int r = 0; r < rangeList.Count; r++)
{
int lower = rangeList[r].LowerBound;
int upper = rangeList[r].UpperBound;
int offset = rangeList[r].OffsetToOriginal;
for (int j = lower; j < upper; j++)
{
string label = labelColumn[j + offset].ToString();
if (label == null || label == string.Empty)
{
continue;
}
xpre = ptArray[j].X;
ypre = ptArray[j].Y;
if (null != this._attachedPlane)
{
Logical3D r3d = layer.GetLogical3D(pdata, j + offset);
PointF pp = layer.CoordinateSystem.GetPointOnPlane(this._attachedPlane, r3d);
xpre = pp.X;
ypre = pp.Y;
}
xdiff = xpre - xpos;
ydiff = ypre - ypos;
xpos = xpre;
ypos = ypre;
g.TranslateTransform((float)xdiff, (float)ydiff);
if (this._rotation != 0)
{
g.RotateTransform((float)-this._rotation);
}
this.Paint(g, label);
if (this._rotation != 0)
{
g.RotateTransform((float)this._rotation);
}
} // end for
}
g.Restore(gs); // Restore the graphics state
}
public void Paint(IGraphicsContext3D g, IPlotArea layer, Processed3DPlotData pdata, Processed3DPlotData prevItemData, Processed3DPlotData nextItemData)
{
if (null == pdata)
{
throw new ArgumentNullException(nameof(pdata));
}
PlotRangeList rangeList = pdata.RangeList;
var ptArray = pdata.PlotPointsInAbsoluteLayerCoordinates;
layer.CoordinateSystem.LogicalToLayerCoordinates(new Logical3D(0, 0, 0), out var leftFrontBotton);
layer.CoordinateSystem.LogicalToLayerCoordinates(new Logical3D(1, 1, 1), out var rightBackTop);
double globalBaseValue;
if (_usePhysicalBaseValue)
{
globalBaseValue = layer.ZAxis.PhysicalVariantToNormal(_baseValue);
if (double.IsNaN(globalBaseValue))
{
globalBaseValue = 0;
}
}
else
{
globalBaseValue = _baseValue.ToDouble();
}
bool useVariableColor = null != _cachedColorForIndexFunction && !_independentColor;
var pen = _pen;
int j = -1;
foreach (int originalRowIndex in pdata.RangeList.OriginalRowIndices())
{
j++;
double xCenterLogical = layer.XAxis.PhysicalVariantToNormal(pdata.GetXPhysical(originalRowIndex));
double xLowerLogical = xCenterLogical + _xOffsetLogical;
double xUpperLogical = xLowerLogical + _xSizeLogical;
double yCenterLogical = layer.YAxis.PhysicalVariantToNormal(pdata.GetYPhysical(originalRowIndex));
double yLowerLogical = yCenterLogical + _yOffsetLogical;
double yUpperLogical = yLowerLogical + _ySizeLogical;
double zCenterLogical = layer.ZAxis.PhysicalVariantToNormal(pdata.GetZPhysical(originalRowIndex));
double zBaseLogical = globalBaseValue;
if (_startAtPreviousItem && pdata.PreviousItemData != null)
{
double prevstart = layer.ZAxis.PhysicalVariantToNormal(pdata.PreviousItemData.GetZPhysical(originalRowIndex));
if (!double.IsNaN(prevstart))
{
zBaseLogical = prevstart;
zBaseLogical += Math.Sign(zBaseLogical - globalBaseValue) * _previousItemZGap;
}
}
layer.CoordinateSystem.LogicalToLayerCoordinates(new Logical3D(xLowerLogical, yCenterLogical, zBaseLogical), out var lcp);
layer.CoordinateSystem.LogicalToLayerCoordinates(new Logical3D(xUpperLogical, yCenterLogical, zBaseLogical), out var ucp);
layer.CoordinateSystem.LogicalToLayerCoordinates(new Logical3D(xCenterLogical, yLowerLogical, zBaseLogical), out var clp);
layer.CoordinateSystem.LogicalToLayerCoordinates(new Logical3D(xCenterLogical, yUpperLogical, zBaseLogical), out var cup);
double penWidth1 = (lcp - ucp).Length;
double penWidth2 = (clp - cup).Length;
if (_useUniformCrossSectionThickness)
{
pen = pen.WithUniformThickness(Math.Min(penWidth1, penWidth2));
}
else
{
pen = pen.WithThickness1(penWidth1);
pen = pen.WithThickness2(penWidth2);
}
if (useVariableColor)
{
pen = pen.WithColor(GdiColorHelper.ToNamedColor(_cachedColorForIndexFunction(originalRowIndex), "VariableColor"));
}
var isoLine = layer.CoordinateSystem.GetIsoline(new Logical3D(xLowerLogical, yLowerLogical, zBaseLogical), new Logical3D(xLowerLogical, yLowerLogical, zCenterLogical));
g.DrawLine(pen, isoLine);
}
}
/// <summary>
/// This will create a point list out of the data, which can be used to plot the data. In order to create this list,
/// the function must have knowledge how to calculate the points out of the data. This will be done
/// by a function provided by the calling function.
/// </summary>
/// <param name="layer">The plot layer.</param>
/// <returns>An array of plot points in layer coordinates.</returns>
public Processed2DPlotData GetRangesAndPoints(
Gdi.IPlotArea layer)
{
const int functionPoints = 1000;
const double MaxRelativeValue = 1E6;
// allocate an array PointF to hold the line points
PointF[] ptArray = new PointF[functionPoints];
Processed2DPlotData result = new Processed2DPlotData();
MyPlotData pdata = new MyPlotData();
result.PlotPointsInAbsoluteLayerCoordinates = ptArray;
double[] xPhysArray = new double[functionPoints];
double[] yPhysArray = new double[functionPoints];
pdata._xPhysical = xPhysArray;
pdata._yPhysical = yPhysArray;
result.XPhysicalAccessor = new IndexedPhysicalValueAccessor(pdata.GetXPhysical);
result.YPhysicalAccessor = new IndexedPhysicalValueAccessor(pdata.GetYPhysical);
// double xorg = layer.XAxis.Org;
// double xend = layer.XAxis.End;
// Fill the array with values
// only the points where x and y are not NaNs are plotted!
int i, j;
bool bInPlotSpace = true;
int rangeStart = 0;
PlotRangeList rangeList = new PlotRangeList();
result.RangeList = rangeList;
Gdi.G2DCoordinateSystem coordsys = layer.CoordinateSystem;
NumericalScale xaxis = layer.XAxis as NumericalScale;
NumericalScale yaxis = layer.YAxis as NumericalScale;
if (xaxis == null || yaxis == null)
return null;
for (i = 0, j = 0; i < functionPoints; i++)
{
double x_rel = ((double)i) / (functionPoints - 1);
double x = xaxis.NormalToPhysical(x_rel);
double y = Evaluate(x);
if (Double.IsNaN(x) || Double.IsNaN(y))
{
if (!bInPlotSpace)
{
bInPlotSpace = true;
rangeList.Add(new PlotRange(rangeStart, j));
}
continue;
}
// double x_rel = layer.XAxis.PhysicalToNormal(x);
double y_rel = yaxis.PhysicalToNormal(y);
// chop relative values to an range of about -+ 10^6
if (y_rel > MaxRelativeValue)
y_rel = MaxRelativeValue;
if (y_rel < -MaxRelativeValue)
y_rel = -MaxRelativeValue;
// after the conversion to relative coordinates it is possible
// that with the choosen axis the point is undefined
// (for instance negative values on a logarithmic axis)
// in this case the returned value is NaN
double xcoord, ycoord;
if (coordsys.LogicalToLayerCoordinates(new Logical3D(x_rel, y_rel), out xcoord, out ycoord))
{
if (bInPlotSpace)
{
bInPlotSpace = false;
rangeStart = j;
}
xPhysArray[j] = x;
yPhysArray[j] = y;
ptArray[j].X = (float)xcoord;
ptArray[j].Y = (float)ycoord;
j++;
}
else
{
if (!bInPlotSpace)
{
bInPlotSpace = true;
rangeList.Add(new PlotRange(rangeStart, j));
}
}
} // end for
if (!bInPlotSpace)
{
bInPlotSpace = true;
rangeList.Add(new PlotRange(rangeStart, j)); // add the last range
}
return result;
}
/// <summary>
/// This will create a point list out of the data, which can be used to plot the data. In order to create this list,
/// the function must have knowledge how to calculate the points out of the data. This will be done
/// by a function provided by the calling function.
/// </summary>
/// <param name="layer">The plot layer.</param>
/// <returns>An array of plot points in layer coordinates.</returns>
public Processed2DPlotData GetRangesAndPoints(
Gdi.IPlotArea layer)
{
const double MaxRelativeValue = 1E2;
Altaxo.Data.IReadableColumn xColumn = this.XColumn;
Altaxo.Data.IReadableColumn yColumn = this.YColumn;
if(null==xColumn || null==yColumn)
return null; // this plotitem is only for x and y double columns
if(this.PlottablePoints<=0)
return null;
Processed2DPlotData result = new Processed2DPlotData();
MyPlotData myPlotData = new MyPlotData(xColumn, yColumn);
result.XPhysicalAccessor = new IndexedPhysicalValueAccessor(myPlotData.GetXPhysical);
result.YPhysicalAccessor = new IndexedPhysicalValueAccessor(myPlotData.GetYPhysical);
PlotRangeList rangeList = null;
PointF[] ptArray = null;
// allocate an array PointF to hold the line points
ptArray = new PointF[this.PlottablePoints];
result.PlotPointsInAbsoluteLayerCoordinates = ptArray;
// Fill the array with values
// only the points where x and y are not NaNs are plotted!
int i,j;
bool bInPlotSpace = true;
int rangeStart=0;
int rangeOffset=0;
rangeList = new PlotRangeList();
result.RangeList = rangeList;
Scale xAxis = layer.XAxis;
Scale yAxis = layer.YAxis;
Gdi.G2DCoordinateSystem coordsys = layer.CoordinateSystem;
int len = this.PlotRangeEnd;
for(i=this.PlotRangeStart,j=0;i<len;i++)
{
if(xColumn.IsElementEmpty(i) || yColumn.IsElementEmpty(i))
{
if(!bInPlotSpace)
{
bInPlotSpace=true;
rangeList.Add(new PlotRange(rangeStart,j,rangeOffset));
}
continue;
}
double x_rel,y_rel;
double xcoord, ycoord;
x_rel = xAxis.PhysicalVariantToNormal(xColumn[i]);
y_rel = yAxis.PhysicalVariantToNormal(yColumn[i]);
// chop relative values to an range of about -+ 10^6
if(x_rel>MaxRelativeValue)
x_rel = MaxRelativeValue;
if(x_rel<-MaxRelativeValue)
x_rel=-MaxRelativeValue;
if(y_rel>MaxRelativeValue)
y_rel = MaxRelativeValue;
if(y_rel<-MaxRelativeValue)
y_rel=-MaxRelativeValue;
// after the conversion to relative coordinates it is possible
// that with the choosen axis the point is undefined
// (for instance negative values on a logarithmic axis)
// in this case the returned value is NaN
if(coordsys.LogicalToLayerCoordinates(new Logical3D(x_rel,y_rel), out xcoord, out ycoord))
{
if(bInPlotSpace)
{
bInPlotSpace=false;
rangeStart = j;
rangeOffset = i-j;
}
ptArray[j].X = (float)xcoord;
ptArray[j].Y = (float)ycoord;
j++;
}
else
{
if(!bInPlotSpace)
{
bInPlotSpace=true;
rangeList.Add(new PlotRange(rangeStart,j,rangeOffset));
}
}
} // end for
if(!bInPlotSpace)
{
bInPlotSpace=true;
rangeList.Add(new PlotRange(rangeStart,j,rangeOffset)); // add the last range
}
return result;
}
public void Paint(System.Drawing.Graphics g, IPlotArea layer, Processed2DPlotData pdata)
{
PlotRangeList rangeList = pdata.RangeList;
System.Drawing.PointF[] ptArray = pdata.PlotPointsInAbsoluteLayerCoordinates;
// paint the drop style
double xleft, xright, ytop, ybottom;
layer.CoordinateSystem.LogicalToLayerCoordinates(new Logical3D(0, 0), out xleft, out ybottom);
layer.CoordinateSystem.LogicalToLayerCoordinates(new Logical3D(1, 1), out xright, out ytop);
float xe = (float)xright;
float ye = (float)ybottom;
GraphicsPath path = new GraphicsPath();
double globalBaseValue;
if (_usePhysicalBaseValue)
{
globalBaseValue = layer.YAxis.PhysicalVariantToNormal(_baseValue);
if (double.IsNaN(globalBaseValue))
{
globalBaseValue = 0;
}
}
else
{
globalBaseValue = _baseValue.ToDouble();
}
int j = -1;
foreach (int originalRowIndex in pdata.RangeList.OriginalRowIndices())
{
j++;
double xcn = layer.XAxis.PhysicalVariantToNormal(pdata.GetXPhysical(originalRowIndex));
double xln = xcn + _position;
double xrn = xln + _width;
double ycn = layer.YAxis.PhysicalVariantToNormal(pdata.GetYPhysical(originalRowIndex));
double ynbase = globalBaseValue;
if (_startAtPreviousItem && pdata.PreviousItemData != null)
{
double prevstart = layer.YAxis.PhysicalVariantToNormal(pdata.PreviousItemData.GetYPhysical(originalRowIndex));
if (!double.IsNaN(prevstart))
{
ynbase = prevstart;
ynbase += Math.Sign(ynbase - globalBaseValue) * _previousItemYGap;
}
}
path.Reset();
layer.CoordinateSystem.GetIsoline(path, new Logical3D(xln, ynbase), new Logical3D(xln, ycn));
layer.CoordinateSystem.GetIsoline(path, new Logical3D(xln, ycn), new Logical3D(xrn, ycn));
layer.CoordinateSystem.GetIsoline(path, new Logical3D(xrn, ycn), new Logical3D(xrn, ynbase));
layer.CoordinateSystem.GetIsoline(path, new Logical3D(xrn, ynbase), new Logical3D(xln, ynbase));
path.CloseFigure();
_fillBrush.Rectangle = path.GetBounds();
g.FillPath(_fillBrush, path);
if (_framePen != null)
{
_framePen.BrushRectangle = path.GetBounds();
g.DrawPath(_framePen, path);
}
}
}
public void Paint(IGraphicsContext3D g, IPlotArea layer, Processed3DPlotData pdata, Processed3DPlotData prevItemData, Processed3DPlotData nextItemData)
{
const double logicalClampMinimum = -10;
const double logicalClampMaximum = 11;
// Plot error bars for the dependent variable (y)
PlotRangeList rangeList = pdata.RangeList;
var ptArray = pdata.PlotPointsInAbsoluteLayerCoordinates;
var columnX = ColumnX;
var columnY = ColumnY;
var columnZ = ColumnZ;
if (columnX == null || columnY == null || columnZ == null)
{
return; // nothing to do if both error columns are null
}
if (!typeof(double).IsAssignableFrom(columnX.ItemType) || !typeof(double).IsAssignableFrom(columnY.ItemType) || !typeof(double).IsAssignableFrom(columnZ.ItemType))
{
return; // TODO make this an runtime paint error to be reported
}
var strokePen = _strokePen;
foreach (PlotRange r in rangeList)
{
int lower = r.LowerBound;
int upper = r.UpperBound;
int offset = r.OffsetToOriginal;
for (int j = lower; j < upper; j += _skipFrequency)
{
int originalRow = j + offset;
double symbolSize = null == _cachedSymbolSizeForIndexFunction ? _symbolSize : _cachedSymbolSizeForIndexFunction(originalRow);
strokePen = strokePen.WithThickness1(_lineWidth1Offset + _lineWidth1Factor * symbolSize);
strokePen = strokePen.WithThickness2(_lineWidth2Offset + _lineWidth2Factor * symbolSize);
if (null != _cachedColorForIndexFunction)
{
strokePen = strokePen.WithColor(GdiColorHelper.ToNamedColor(_cachedColorForIndexFunction(originalRow), "VariableColor"));
}
if (null != strokePen.LineEndCap)
{
strokePen = strokePen.WithLineEndCap(strokePen.LineEndCap.WithMinimumAbsoluteAndRelativeSize(symbolSize * _endCapSizeFactor + _endCapSizeOffset, 1 + 1E-6));
}
// Calculate target
AltaxoVariant targetX, targetY, targetZ;
switch (_meaningOfValues)
{
case ValueInterpretation.AbsoluteDifference:
{
targetX = pdata.GetXPhysical(originalRow) + columnX[originalRow];
targetY = pdata.GetYPhysical(originalRow) + columnY[originalRow];
targetZ = pdata.GetZPhysical(originalRow) + columnZ[originalRow];
}
break;
case ValueInterpretation.AbsoluteValue:
{
targetX = columnX[originalRow];
targetY = columnY[originalRow];
targetZ = columnZ[originalRow];
}
break;
default:
throw new NotImplementedException(nameof(_meaningOfValues));
}
var logicalTarget = layer.GetLogical3D(targetX, targetY, targetZ);
var logicalOrigin = layer.GetLogical3D(pdata, originalRow);
if (!_independentOnShiftingGroupStyles && (0 != _cachedLogicalShiftX || 0 != _cachedLogicalShiftY || 0 != _cachedLogicalShiftZ))
{
logicalOrigin.RX += _cachedLogicalShiftX;
logicalOrigin.RY += _cachedLogicalShiftY;
logicalOrigin.RZ += _cachedLogicalShiftZ;
logicalTarget.RX += _cachedLogicalShiftX;
logicalTarget.RY += _cachedLogicalShiftY;
logicalTarget.RZ += _cachedLogicalShiftZ;
}
if (!Calc.RMath.IsInIntervalCC(logicalOrigin.RX, logicalClampMinimum, logicalClampMaximum))
{
continue;
}
if (!Calc.RMath.IsInIntervalCC(logicalOrigin.RY, logicalClampMinimum, logicalClampMaximum))
{
continue;
}
if (!Calc.RMath.IsInIntervalCC(logicalOrigin.RZ, logicalClampMinimum, logicalClampMaximum))
{
continue;
}
if (!Calc.RMath.IsInIntervalCC(logicalTarget.RX, logicalClampMinimum, logicalClampMaximum))
{
continue;
}
if (!Calc.RMath.IsInIntervalCC(logicalTarget.RY, logicalClampMinimum, logicalClampMaximum))
{
continue;
}
if (!Calc.RMath.IsInIntervalCC(logicalTarget.RZ, logicalClampMinimum, logicalClampMaximum))
{
continue;
}
var isoLine = layer.CoordinateSystem.GetIsoline(logicalOrigin, logicalTarget);
if (null == isoLine)
{
continue;
}
if (_useManualVectorLength)
{
double length = _vectorLengthOffset + _vectorLengthFactor * symbolSize;
double isoLineLength = isoLine.TotalLineLength;
isoLine = isoLine.ShortenedBy(RADouble.NewAbs(0), RADouble.NewAbs(isoLineLength - length));
if (null == isoLine)
{
continue;
}
}
if (_useSymbolGap)
{
double gap = _symbolGapOffset + _symbolGapFactor * symbolSize;
if (gap != 0)
{
isoLine = isoLine.ShortenedBy(RADouble.NewAbs(gap / 2), RADouble.NewAbs(0));
if (null == isoLine)
{
continue;
}
}
}
g.DrawLine(strokePen, isoLine);
}
}
}
protected void PaintXErrorBars(System.Drawing.Graphics g, IPlotArea layer, Altaxo.Graph.Gdi.Plot.Data.Processed2DPlotData pdata)
{
// Plot error bars for the independent variable (x)
PlotRangeList rangeList = pdata.RangeList;
PointF[] ptArray = pdata.PlotPointsInAbsoluteLayerCoordinates;
INumericColumn posErrCol = _positiveErrorColumn.Document;
INumericColumn negErrCol = _negativeErrorColumn.Document;
if (posErrCol == null && negErrCol == null)
{
return; // nothing to do if both error columns are null
}
System.Drawing.Drawing2D.GraphicsPath errorBarPath = new System.Drawing.Drawing2D.GraphicsPath();
Region oldClippingRegion = g.Clip;
Region newClip = (Region)oldClippingRegion.Clone();
foreach (PlotRange r in rangeList)
{
int lower = r.LowerBound;
int upper = r.UpperBound;
int offset = r.OffsetToOriginal;
for (int j = lower; j < upper; j++)
{
AltaxoVariant x = pdata.GetXPhysical(j + offset);
Logical3D lm = layer.GetLogical3D(pdata, j + offset);
lm.RX += _cachedLogicalShiftOfIndependent;
if (lm.IsNaN)
{
continue;
}
Logical3D lh = lm;
Logical3D ll = lm;
bool lhvalid = false;
bool llvalid = false;
if (posErrCol != null)
{
lh.RX = layer.XAxis.PhysicalVariantToNormal(x + Math.Abs(posErrCol[j + offset]));
lhvalid = !lh.IsNaN;
}
if (negErrCol != null)
{
ll.RX = layer.XAxis.PhysicalVariantToNormal(x - Math.Abs(negErrCol[j + offset]));
llvalid = !ll.IsNaN;
}
if (!(lhvalid || llvalid))
{
continue; // nothing to do for this point if both pos and neg logical point are invalid.
}
// now paint the error bar
if (_symbolGap) // if symbol gap, then clip the painting, exclude a rectangle of size symbolSize x symbolSize
{
double xlm, ylm;
layer.CoordinateSystem.LogicalToLayerCoordinates(lm, out xlm, out ylm);
newClip.Union(oldClippingRegion);
newClip.Exclude(new RectangleF((float)(xlm - _symbolSize / 2), (float)(ylm - _symbolSize / 2), _symbolSize, _symbolSize));
g.Clip = newClip;
}
if (lhvalid && llvalid)
{
errorBarPath.Reset();
layer.CoordinateSystem.GetIsoline(errorBarPath, ll, lm);
layer.CoordinateSystem.GetIsoline(errorBarPath, lm, lh);
g.DrawPath(_strokePen, errorBarPath);
}
else if (llvalid)
{
layer.CoordinateSystem.DrawIsoline(g, _strokePen, ll, lm);
}
else if (lhvalid)
{
layer.CoordinateSystem.DrawIsoline(g, _strokePen, lm, lh);
}
// now the end bars
if (_showEndBars)
{
if (lhvalid)
{
PointF outDir;
layer.CoordinateSystem.GetNormalizedDirection(lm, lh, 1, new Logical3D(0, 1), out outDir);
outDir.X *= _symbolSize / 2;
outDir.Y *= _symbolSize / 2;
double xlay, ylay;
layer.CoordinateSystem.LogicalToLayerCoordinates(lh, out xlay, out ylay);
// Draw a line from x,y to
g.DrawLine(_strokePen, (float)(xlay - outDir.X), (float)(ylay - outDir.Y), (float)(xlay + outDir.X), (float)(ylay + outDir.Y));
}
if (llvalid)
{
PointF outDir;
layer.CoordinateSystem.GetNormalizedDirection(lm, ll, 1, new Logical3D(0, 1), out outDir);
outDir.X *= _symbolSize / 2;
outDir.Y *= _symbolSize / 2;
double xlay, ylay;
layer.CoordinateSystem.LogicalToLayerCoordinates(ll, out xlay, out ylay);
// Draw a line from x,y to
g.DrawLine(_strokePen, (float)(xlay - outDir.X), (float)(ylay - outDir.Y), (float)(xlay + outDir.X), (float)(ylay + outDir.Y));
}
}
}
}
g.Clip = oldClippingRegion;
}
public void Paint(Graphics g, IPlotArea layer, Processed2DPlotData pdata, Processed2DPlotData prevItemData, Processed2DPlotData nextItemData)
{
if (_connectionStyle is LineConnectionStyles.NoConnection)
{
return;
}
if (_independentOnShiftingGroupStyles)
{
_cachedLogicalShiftX = _cachedLogicalShiftY = 0;
}
PointF[] plotPositions = pdata.PlotPointsInAbsoluteLayerCoordinates;
if (0 != _cachedLogicalShiftX || 0 != _cachedLogicalShiftY)
{
plotPositions = Processed2DPlotData.GetPlotPointsInAbsoluteLayerCoordinatesWithShift(pdata, layer, _cachedLogicalShiftX, _cachedLogicalShiftY);
}
Func <int, double> symbolGapFunction = null;
if (_useSymbolGap)
{
if (null != _cachedSymbolSizeForIndexFunction && !_independentSymbolSize)
{
symbolGapFunction = (idx) => _symbolGapOffset + _symbolGapFactor * _cachedSymbolSizeForIndexFunction(idx);
}
else if (0 != _symbolGapOffset || 0 != _symbolGapFactor * _symbolSize)
{
symbolGapFunction = (idx) => _symbolGapOffset + _symbolGapFactor * _symbolSize;
}
else
{
symbolGapFunction = null;
}
}
// ensure that brush and pen are cached
if (null != _linePen)
{
_linePen.Cached = true;
}
PlotRangeList rangeList = pdata.RangeList;
if (_ignoreMissingDataPoints)
{
// in case we ignore the missing points, all ranges can be plotted
// as one range, i.e. continuously
// for this, we create the totalRange, which contains all ranges
var totalRange = new PlotRangeCompound(rangeList);
_connectionStyle.PaintOneRange(g, plotPositions, totalRange, layer, _linePen, symbolGapFunction, _skipFrequency, _connectCircular, this);
}
else // we not ignore missing points, so plot all ranges separately
{
for (int i = 0; i < rangeList.Count; i++)
{
_connectionStyle.PaintOneRange(g, plotPositions, rangeList[i], layer, _linePen, symbolGapFunction, _skipFrequency, _connectCircular, this);
}
}
}
public void Paint(IGraphicsContext3D g, IPlotArea layer, Processed3DPlotData pdata, Processed3DPlotData prevItemData, Processed3DPlotData nextItemData)
{
PlotRangeList rangeList = pdata.RangeList;
var ptArray = pdata.PlotPointsInAbsoluteLayerCoordinates;
// adjust the skip frequency if it was not set appropriate
if (_skipFreq <= 0)
{
_skipFreq = 1;
}
var dropTargets = new List <CSPlaneID>(_dropTargets.Select(id => layer.UpdateCSPlaneID(id)));
if (_additionalDropTargetIsEnabled)
{
CSPlaneID userPlane;
if (_additionalDropTargetUsePhysicalBaseValue)
{
userPlane = new CSPlaneID(_additionalDropTargetPerpendicularAxis, layer.Scales[_additionalDropTargetPerpendicularAxis].PhysicalVariantToNormal(_additionalDropTargetBaseValue));
}
else
{
userPlane = new CSPlaneID(_additionalDropTargetPerpendicularAxis, _additionalDropTargetBaseValue);
}
dropTargets.Add(userPlane);
}
// paint the scatter style
PointD3D pos = PointD3D.Empty;
if (null == _cachedSymbolSizeForIndexFunction && null == _cachedColorForIndexFunction) // using a constant symbol size and constant color
{
var pen = _pen;
// update pen widths
double w1 = _lineWidth1Offset + _lineWidth1Factor * _cachedSymbolSize;
double w2 = _lineWidth2Offset + _lineWidth2Factor * _cachedSymbolSize;
pen = pen.WithThickness1(w1).WithThickness2(w2);
var gapStart = 0.5 * (_gapAtStartOffset + _gapAtStartFactor * _cachedSymbolSize);
var gapEnd = 0.5 * (_gapAtEndOffset + _gapAtEndFactor * _cachedSymbolSize);
for (int r = 0; r < rangeList.Count; r++)
{
var range = rangeList[r];
int lower = range.LowerBound;
int upper = range.UpperBound;
for (int j = lower; j < upper; j += _skipFreq)
{
Logical3D r3d = layer.GetLogical3D(pdata, j + range.OffsetToOriginal);
foreach (CSPlaneID id in dropTargets)
{
layer.CoordinateSystem.GetIsolineFromPointToPlane(r3d, id, out var isoLine);
if (gapStart != 0 || gapEnd != 0)
{
isoLine = isoLine.ShortenedBy(RADouble.NewAbs(gapStart), RADouble.NewAbs(gapEnd));
}
if (null != isoLine)
{
g.DrawLine(pen, isoLine);
}
}
}
} // for each range
}
else // using a variable symbol size or variable symbol color
{
for (int r = 0; r < rangeList.Count; r++)
{
var range = rangeList[r];
int lower = range.LowerBound;
int upper = range.UpperBound;
int offset = range.OffsetToOriginal;
for (int j = lower; j < upper; j += _skipFreq)
{
var pen = _pen;
if (null == _cachedColorForIndexFunction)
{
_cachedSymbolSize = _cachedSymbolSizeForIndexFunction(j + offset);
double w1 = _lineWidth1Offset + _lineWidth1Factor * _cachedSymbolSize;
double w2 = _lineWidth2Offset + _lineWidth2Factor * _cachedSymbolSize;
pen = _pen.WithThickness1(w1).WithThickness2(w2);
}
else
{
_cachedSymbolSize = null == _cachedSymbolSizeForIndexFunction ? _cachedSymbolSize : _cachedSymbolSizeForIndexFunction(j + offset);
double w1 = _lineWidth1Offset + _lineWidth1Factor * _cachedSymbolSize;
double w2 = _lineWidth2Offset + _lineWidth2Factor * _cachedSymbolSize;
var customSymbolColor = _cachedColorForIndexFunction(j + offset);
pen = _pen.WithThickness1(w1).WithThickness2(w2).WithColor(NamedColor.FromArgb(customSymbolColor.A, customSymbolColor.R, customSymbolColor.G, customSymbolColor.B));
}
var gapStart = 0.5 * (_gapAtStartOffset + _gapAtStartFactor * _cachedSymbolSize);
var gapEnd = 0.5 * (_gapAtEndOffset + _gapAtEndFactor * _cachedSymbolSize);
Logical3D r3d = layer.GetLogical3D(pdata, j + rangeList[r].OffsetToOriginal);
foreach (CSPlaneID id in _dropTargets)
{
layer.CoordinateSystem.GetIsolineFromPointToPlane(r3d, id, out var isoLine);
if (gapStart != 0 || gapEnd != 0)
{
isoLine = isoLine.ShortenedBy(RADouble.NewAbs(gapStart), RADouble.NewAbs(gapEnd));
}
if (null != isoLine)
{
g.DrawLine(pen, isoLine);
}
}
}
}
}
}