private static bool IsLineVisible(RawRectangleF coordinateBounds, LineProxy line, int zoomLevel)
{
if (line == null || line.Coordinates == null || line.Coordinates.Count < 2)
{
return(false);
}
if (line.BaseLine == null)
{
return(false);
}
if (!coordinateBounds.Overlaps(line.Bounds))
{
return(false);
}
if (line.BaseLine.KVLevel.VisibilityByZoom > zoomLevel)
{
return(false);
}
if (!line.BaseLine.KVLevel.ShowEnergized && (line.BaseLine.LineEnergizationState == line.BaseLine.KVLevel.Energized))
{
return(false);
}
if (!line.BaseLine.KVLevel.ShowUnknown && (line.BaseLine.LineEnergizationState == line.BaseLine.KVLevel.Unknown))
{
return(false);
}
if (!line.BaseLine.KVLevel.ShowDeEnergized && (line.BaseLine.LineEnergizationState == line.BaseLine.KVLevel.DeEnergized))
{
return(false);
}
if (!line.BaseLine.KVLevel.ShowPartiallyEnergized && (line.BaseLine.LineEnergizationState == line.BaseLine.KVLevel.PartiallyEnergized))
{
return(false);
}
if (line.BaseLine.KVLevel.VisibilityThreshold > 0f && line.BaseLine.KVLevel.VisibilityThreshold < line.BaseLine.LinePercentage)
{
return(false);
}
if (line.BaseLine.KVLevel.VisibilityThreshold < 0f && -line.BaseLine.KVLevel.VisibilityThreshold > line.BaseLine.LinePercentage)
{
return(false);
}
return(true);
}
private void OnSelectedItemsChanged(SelectionChangedEventArgs args)
{
//Logic - by default when items scroll out of view they are no longer selected.
//this is because the panel is virtualised and and automatically unselected due
//to the control thinking that the item is not longer part of the overall collection
if (_isSelecting)
{
return;
}
try
{
_isSelecting = true;
_selected.Edit(innerList =>
{
var toAdd = args.AddedItems.OfType <LineProxy>().ToList();
//may need to track if last selected is off the page:
var isShiftKeyDown = Keyboard.IsKeyDown(Key.LeftShift) || Keyboard.IsKeyDown(Key.RightShift);
//get the last item at then end of the list
if (!isShiftKeyDown)
{
//if mouse down, we need to prevent items being cleated
//add items to list
foreach (var lineProxy in toAdd)
{
if (innerList.Contains(lineProxy))
{
continue;
}
_lastSelected = lineProxy;
innerList.Add(lineProxy);
}
}
else
{
//if shift down we need to override selected and manually select our selves
var last = _lastSelected.Index;
var allSelectedItems = _selector.SelectedItems.OfType <LineProxy>().ToArray();
var currentPage = _selector.Items.OfType <LineProxy>().ToArray();
//1. Determine whether all selected items are on the current page [plus whether last is on the current page]
var allOnCurrentPage = allSelectedItems.Intersect(currentPage).ToArray();
var lastInONcurrentPage = currentPage.Contains(_lastSelected);
if (lastInONcurrentPage && allOnCurrentPage.Length == allSelectedItems.Length)
{
innerList.Clear();
innerList.AddRange(allSelectedItems);
return;
}
args.Handled = true;
var maxOfRecent = toAdd.Max(lp => lp.Index);
int min;
int max;
if (last < maxOfRecent)
{
min = last;
max = maxOfRecent;
}
else
{
min = maxOfRecent;
max = last;
}
//maintain selection
_selector.SelectedItems.Clear();
var fromCurrentPage = _selector.Items.OfType <LineProxy>()
.Where(lp => lp.Index >= min && lp.Index <= max)
.ToArray();
var fromPrevious = _recentlyRemovedFromVisibleRange
.Items.Where(lp => lp.Index >= min && lp.Index <= max)
.ToArray();
_recentlyRemovedFromVisibleRange.Clear();
//maintain our record
innerList.Clear();
innerList.AddRange(fromCurrentPage);
foreach (var previous in fromPrevious)
{
if (!innerList.Contains(previous))
{
innerList.Add(previous);
}
}
//finally reload the actual selection:
foreach (var item in innerList)
{
_selector.SelectedItems.Add(item);
}
}
});
}
catch (Exception ex)
{
_logger.Error(ex, "There has been a problem with manual selection");
}
finally
{
_isSelecting = false;
}
}
private void UpdateAndDrawFlowArrow(RenderTime time, LineProxy proxy, int zoomLevel, MM_DisplayParameter displayOptions, SharpDX.Direct2D1.Brush brush)
{
//Now, draw the line as appropriate
if (proxy.Coordinates == null || proxy.Coordinates.Count == 0)
{
return;
}
// reset if bad
if (proxy.FlowPositionPercentage > 1)
{
proxy.FlowPositionPercentage = 1;
}
if (proxy.FlowPositionPercentage < float.Epsilon)
{
proxy.FlowPositionPercentage = 0;
}
// reset if bad
if (proxy.FlowVarPositionPercentage > 1)
{
proxy.FlowVarPositionPercentage = 1;
}
if (proxy.FlowVarPositionPercentage < float.Epsilon)
{
proxy.FlowVarPositionPercentage = 0;
}
var Line = proxy.BaseLine;
// don't render dead lines flow arrows
if (Line == null || Math.Abs(Line.MVAFlow) < 0.1 || (Line.NearBus != null && Line.NearBus.Dead) || (Line.FarBus != null && Line.FarBus.Dead))
{
return;
}
//Determine how large our arrow should be
float baseSize = proxy.BaseLine.KVLevel.MVASize;
float threshold = proxy.BaseLine.KVLevel.MVAThreshold / 100.0f;
bool flowKvVisible = proxy.BaseLine.KVLevel.ShowMVA;
float mvaSize = Line.KVLevel.MVASize;
float lineWidth = displayOptions.Width;
float flowIncrement = 0;
float flowVarIncrement = 0;
float flowSize;
bool isTie = Line is MM_Tie;
if ((!MM_Repository.OverallDisplay.ShowLineFlows || !flowKvVisible) && !(isTie && MM_Repository.OverallDisplay.TieFlowDirectionVisible))
{
return;
}
//MM_Repository.OverallDisplay.
// absolute vs % limit
bool absoluteValueFlowSize = zoomLevel < MM_Repository.OverallDisplay.LineFlows;
if (isTie && MM_Repository.OverallDisplay.TieFlowDirectionVisible)
{
// show enhanced size/color for AC Tie lines if TieFlowDirectionVisible == true
if (MM_Repository.KVLevels.ContainsKey("Tie"))
{
mvaSize = MM_Repository.KVLevels["Tie"].MVASize;
}
else if (MM_Repository.KVLevels.ContainsKey("DCTie"))
{
mvaSize = MM_Repository.KVLevels["DCTie"].MVASize;
}
else
{
mvaSize = 5;
}
}
else if (Line.KVLevel.Name.Contains("Tie"))
{
isTie = true;
}
bool moveForward = true;
float zoomScale = (float)zoomLevel / MM_Repository.OverallDisplay.LineFlows;
bool varForward = true;
var varFlowSize = Math.Min(50, lineWidth * baseSize);
if (absoluteValueFlowSize)
{
if (Math.Abs(Line.MVAFlow) < float.Epsilon)
{
flowSize = flowIncrement = 0;
}
else
{
moveForward = Line.MVAFlowDirection == Line.ConnectedStations[1];
varForward = Line.MVARFlowDirection == Line.ConnectedStations[1];
flowSize = (zoomLevel / 20f) * mvaSize * Line.MVAFlow * 0.02f; // + 1.5f * lineWidth;
varFlowSize = (zoomLevel / 20f) * mvaSize * Line.MVAFlow * 0.04f; // + 1.5f * lineWidth;
}
}
else
{
// relative size based on limit
if (Line.NormalLimit == 0)
{
flowSize = flowIncrement = 0;
}
else
{
var percentLimit = Line.MVAFlow / Line.NormalLimit;
var percentVar = Line.MVARFlow / Line.NormalLimit;
if (percentLimit < threshold)
{
return;
}
moveForward = Line.MVAFlowDirection == Line.ConnectedStations[1];
varForward = Line.MVARFlowDirection == Line.ConnectedStations[1];
flowSize = 10f * mvaSize * percentLimit * ((float)(MathUtil.Clamp(lineWidth, 1, 3) / 2f));
varFlowSize = 30f * mvaSize * percentVar * ((float)(MathUtil.Clamp(lineWidth, 1, 3) / 2f));
}
}
flowSize = MathUtil.Clamp(flowSize, 0, 100);
varFlowSize = MathUtil.Clamp(varFlowSize, 0, 100);
if (float.IsNaN(flowSize) || flowSize < 0)
{
flowSize = flowIncrement = 0;
varFlowSize = flowVarIncrement = 0;
}
else
{
flowIncrement = MathUtil.Clamp(0.5f * zoomScale * flowSize, -20f, 20f) * (float)time.ElapsedTime.TotalSeconds;
flowVarIncrement = MathUtil.Clamp(0.5f * zoomScale * varFlowSize, -20f, 20f) * (float)time.ElapsedTime.TotalSeconds;
}
// scale up arrow (but not speed) based on zoom
if (flowSize < lineWidth + 0.25f || proxy.Length <= 0 ||
(MM_Repository.OverallDisplay.BlackstartMode == MM_Display.enumBlackstartMode.HideExternalElements && !Line.IsInternal))
{
return;
}
// Move MVA flow arrow
if (moveForward)
{
proxy.FlowPositionPercentage += flowIncrement / proxy.Length;
}
else
{
proxy.FlowPositionPercentage -= flowIncrement / proxy.Length;
}
if (proxy.FlowPositionPercentage < float.Epsilon)
{
proxy.FlowPositionPercentage = 1 - proxy.FlowPositionPercentage;
}
else
{
proxy.FlowPositionPercentage -= (float)Math.Floor(proxy.FlowPositionPercentage); // just keep the decimal
}
// Move Var Arrow
if (varForward)
{
proxy.FlowVarPositionPercentage += flowVarIncrement / proxy.Length;
}
else
{
proxy.FlowVarPositionPercentage -= flowVarIncrement / proxy.Length;
}
if (proxy.FlowVarPositionPercentage < float.Epsilon)
{
proxy.FlowVarPositionPercentage = 1 - proxy.FlowVarPositionPercentage;
}
else
{
proxy.FlowVarPositionPercentage -= (float)Math.Floor(proxy.FlowVarPositionPercentage); // just keep the decimal
}
if (zoomLevel < MM_Repository.OverallDisplay.LineFlows)
{
proxy.FlowPositionPercentage = 0.5f;
proxy.FlowVarPositionPercentage = 0.5f;
}
SolidColorBrush borderBrush = null;
if (isTie && MM_Repository.OverallDisplay.TieFlowDirectionVisible)
{
bool importing = (Line.Substation1.IsInternal && (Line.MVAFlowDirection == Line.Substation1)) ||
(Line.Substation2.IsInternal && (Line.MVAFlowDirection == Line.Substation2));
var color = importing ? MM_Repository.OverallDisplay.TieFlowImportColor : MM_Repository.OverallDisplay.TieFlowExportColor;
if (proxy.BlackStartDim)
{
color = MM_Repository.OverallDisplay.BlackstartDim(color);
}
borderBrush = Surface.Brushes.GetBrush(color);
}
// add border around flow arrow for tie
//proxy.FlowPositionPercentage = 0;
float rotAngle = 0;
RawVector2 ArrowTip = proxy.GetPosition(proxy.FlowPositionPercentage, out rotAngle);
float varrotAngle = 0;
RawVector2 varArrowTip = proxy.GetPosition(proxy.FlowVarPositionPercentage, out varrotAngle);
//var
if (MM_Repository.OverallDisplay.VarFlows)
{
DrawArrow(null, brush, varArrowTip, varrotAngle, varFlowSize, varForward, 0.1f);
}
// mva
DrawArrow(brush, borderBrush, ArrowTip, rotAngle, flowSize, moveForward, 0.25f);
}
/// <summary>
/// Rebuild our collection of lines to render
/// </summary>
/// <param name="updateTime">Time since last update.</param>
/// <remarks>include base.Update(renderTime); in overloads to preserve updating UpdateTime field.</remarks>
public override void Update(RenderTime updateTime)
{
base.Update(updateTime);
if (!Surface.IsDirty && _lastZoom == Surface.Coordinates.ZoomLevel)
{
return;
}
_lastZoom = Surface.Coordinates.ZoomLevel;
//_lineRenderProxies.Clear();
//_multiLines.Clear();
var lines = MM_Repository.Lines.Values.OrderBy(l => l.KVLevel.Nominal);
Dictionary <string, int> lineStationMap = null;
//_multiLines = new Dictionary<string, MultiLineProxy>();
bool updateMultiLine = (_multiLines.Count == 0 || lastLineCount != MM_Repository.Lines.Count);
lastLineCount = MM_Repository.Lines.Count;
if (updateMultiLine)
{
lineStationMap = new Dictionary <string, int>();
}
foreach (var line in lines)
{
// checks to determine if we want to render this line
if (line.IsZBR && line.Length > 150) // skip zbr
{
continue;
}
// skip ties
// if (line.ElemType.Name == "Tie")
// continue;
// validations passed, calculate render info
LineProxy proxy;
if (!_lineRenderProxies.TryGetValue(line.TEID, out proxy))
{
proxy = new LineProxy
{
BaseLine = line,
Coordinates = new List <RawVector2>(line.Coordinates.Count)
};
_lineRenderProxies.Add(line.TEID, proxy);
}
LineProxy.CalculateCoords(proxy, line, _lastZoom);
proxy.BlackStartDim = proxy.BlackStartHidden = false;
// calculate blackstart parameters
if ((MM_Repository.OverallDisplay.BlackstartMode == MM_Display.enumBlackstartMode.HideNonOperatorElements || MM_Repository.OverallDisplay.BlackstartMode == MM_Display.enumBlackstartMode.DimNonOperatorElements) && (line.Operator == null || !line.Operator.Equals(MM_Repository.OverallDisplay.DisplayCompany)))
{
if (MM_Repository.OverallDisplay.BlackstartMode == MM_Display.enumBlackstartMode.HideNonOperatorElements)
{
proxy.BlackStartHidden = true;
}
else
{
proxy.BlackStartDim = true;
}
}
else if ((MM_Repository.OverallDisplay.BlackstartMode == MM_Display.enumBlackstartMode.HideNonBlackstartElements || MM_Repository.OverallDisplay.BlackstartMode == MM_Display.enumBlackstartMode.DimNonBlackstartElements) && !line.IsBlackstart)
{
if (MM_Repository.OverallDisplay.BlackstartMode == MM_Display.enumBlackstartMode.HideNonBlackstartElements)
{
proxy.BlackStartHidden = true;
}
else
{
proxy.BlackStartDim = true;
}
}
else if ((MM_Repository.OverallDisplay.BlackstartMode == MM_Display.enumBlackstartMode.HideExternalElements || MM_Repository.OverallDisplay.BlackstartMode == MM_Display.enumBlackstartMode.DimExternalElements) && !line.IsInternal)
{
if (MM_Repository.OverallDisplay.BlackstartMode == MM_Display.enumBlackstartMode.HideExternalElements)
{
proxy.BlackStartHidden = true;
}
else
{
proxy.BlackStartDim = true;
}
}
// update multilines
if (updateMultiLine)
{
// fast multiline detection
int sub1Teid = line.Substation1.TEID;
int sub2Teid = line.Substation2.TEID;
if (sub2Teid < sub1Teid)
{
sub1Teid = line.Substation2.TEID;
sub2Teid = line.Substation1.TEID;
}
string subTEIDToken = String.Format("{0:0}_{1:0}", sub1Teid, sub2Teid);
int otherMultiTeid;
if (lineStationMap.TryGetValue(subTEIDToken, out otherMultiTeid))
{
// multiline!
MultiLineProxy multi;
if (!_multiLines.TryGetValue(subTEIDToken, out multi))
{
// doesn't exist, add both lines
multi = new MultiLineProxy();
multi.Lines.Add(_lineRenderProxies[otherMultiTeid]);
_multiLines.Add(subTEIDToken, multi);
}
if (multi.Lines.All(l => l.BaseLine != proxy.BaseLine))
{
multi.Lines.Add(proxy);
}
}
else
{
lineStationMap.Add(subTEIDToken, line.TEID);
}
}
}
if (lineStationMap != null)
{
lineStationMap.Clear();
}
lineStationMap = null;
}
private void ClearAllSelections()
{
_selected.Clear();
_recentlyRemovedFromVisibleRange.Clear();
_lastSelected = null;
}
private void OnSelectedItemsChanged(SelectionChangedEventArgs args)
{
//Logic - by default when items scroll out of view they are no longer selected.
//this is because the panel is virtualised and and automatically unselected due
//to the control thinking that the item is not longer part of the overall collection
if (_isSelecting) return;
try
{
_isSelecting = true;
_selected.Edit(innerList =>
{
var toAdd = args.AddedItems.OfType<LineProxy>().ToList();
//may need to track if last selected is off the page:
var isShiftKeyDown = Keyboard.IsKeyDown(Key.LeftShift) || Keyboard.IsKeyDown(Key.RightShift);
//get the last item at then end of the list
if (!isShiftKeyDown)
{
//if mouse down, we need to prevent items being cleated
//add items to list
foreach (var lineProxy in toAdd)
{
if (innerList.Contains(lineProxy)) continue;
_lastSelected = lineProxy;
innerList.Add(lineProxy);
}
}
else
{
//if shift down we need to override selected and manually select our selves
var last = _lastSelected.Index;
var allSelectedItems = _selector.SelectedItems.OfType<LineProxy>().ToArray();
var currentPage = _selector.Items.OfType<LineProxy>().ToArray();
//1. Determine whether all selected items are on the current page [plus whether last is on the current page]
var allOnCurrentPage = allSelectedItems.Intersect(currentPage).ToArray();
var lastInONcurrentPage = currentPage.Contains(_lastSelected);
if (lastInONcurrentPage && allOnCurrentPage.Length == allSelectedItems.Length)
{
innerList.Clear();
innerList.AddRange(allSelectedItems);
return;
}
args.Handled = true;
var maxOfRecent = toAdd.Max(lp => lp.Index);
int min;
int max;
if (last < maxOfRecent)
{
min = last;
max = maxOfRecent;
}
else
{
min = maxOfRecent;
max = last;
}
//maintain selection
_selector.SelectedItems.Clear();
var fromCurrentPage = _selector.Items.OfType<LineProxy>()
.Where(lp => lp.Index >= min && lp.Index <= max)
.ToArray();
var fromPrevious = _recentlyRemovedFromVisibleRange
.Items.Where(lp => lp.Index >= min && lp.Index <= max)
.ToArray();
_recentlyRemovedFromVisibleRange.Clear();
//maintain our record
innerList.Clear();
innerList.AddRange(fromCurrentPage);
foreach (var previous in fromPrevious)
{
if (!innerList.Contains(previous))
innerList.Add(previous);
}
//finally reload the actual selection:
foreach (var item in innerList)
{
_selector.SelectedItems.Add(item);
}
}
});
}
catch (Exception ex)
{
_logger.Error(ex,"There has been a problem with manual selection");
}
finally
{
_isSelecting = false;
}
}
private void ClearAllSelections()
{
_selected.Clear();
_recentlyRemovedFromVisibleRange.Clear();
_lastSelected = null;
}
/// <summary>
/// Creats a <see cref="PathGeometry"/> from a collection of GPS <see cref="PointF"/>s. This object should be disposed.
/// </summary>
/// <param name="lngLats">GPS Coordinates.</param>
/// <param name="closed">Close the geometry.</param>
/// <param name="filled">Fill the geometry.</param>
/// <returns>IDisposable Object</returns>
public PathGeometry CreateRegionPathGeometry(IList <Vector2> xy, out RawRectangleF bounds, bool closed = true, bool filled = false, bool simplify = false, float compression = 0.1f, float scaleX = 1f, float scaleY = 1f)
{
PathGeometry geometry = new PathGeometry(Factory2D);
int pnts = 0;
Vector2 scaleVector = new Vector2(scaleX, scaleY);
if (xy.Count > 0)
{
var point = xy[0];
if (Math.Abs(scaleX - 1f) > float.Epsilon || Math.Abs(scaleY - 1f) > float.Epsilon)
{
point *= scaleVector;
}
var prev = point;
float minX = point.X;
float minY = point.Y;
float maxX = point.X;
float maxY = point.Y;
using (var sink = geometry.Open())
{
sink.SetFillMode(SharpDX.Direct2D1.FillMode.Winding);
sink.BeginFigure(point, filled ? FigureBegin.Filled : FigureBegin.Hollow);
int count = xy.Count;
for (int i = 1; i < count; i++)
{
// compression
if (simplify && i != count - 1) // don't compress last point
{
// linear compression
var next = xy[i + 1];
bool isLinear = LineProxy.HitTestLineSegmentF(xy[i].X, xy[i].Y, prev.X, prev.Y, next.X, next.Y, compression);
// distance compression
float d2 = LineProxy.DistanceSquared(xy[i].X, xy[i].Y, prev.X, prev.Y);
if (isLinear || d2 < compression)
{
continue;
}
}
if (Math.Abs(scaleX - 1f) > float.Epsilon || Math.Abs(scaleY - 1f) > float.Epsilon)
{
point = xy[i] * scaleVector;
}
else
{
point = xy[i];
}
sink.AddLine(point);
if (point.X < minX)
{
minX = point.X;
}
if (point.X > maxX)
{
maxX = point.X;
}
if (point.Y < minY)
{
minY = point.Y;
}
if (point.Y > maxY)
{
maxY = point.Y;
}
prev = xy[i];
}
sink.EndFigure(closed ? FigureEnd.Closed : FigureEnd.Open);
sink.Close();
}
bounds = new RawRectangleF(minX, minY, maxX, maxY);
}
else
{
bounds = new RawRectangleF(0, 0, 0, 0);
}
return(geometry);
}
