public override void Update(DrawArgs drawArgs)
{
try
{
if (drawArgs.WorldCamera.Altitude <= this._maxDisplayAltitude &&
drawArgs.WorldCamera.Altitude >= this._minDisplayAltitude)
{
if (!this.isInitialized)
{
this.Initialize(drawArgs);
}
foreach (ShapeRecord curShapeRecord in this._shapeIndex.ShapeRecords)
{
BoundingBox bb = new BoundingBox(
(float)curShapeRecord.South, (float)curShapeRecord.North,
(float)curShapeRecord.West, (float)curShapeRecord.East,
(float)(this._parentWorld.EquatorialRadius + this._Altitude + 0),
(float)(this._parentWorld.EquatorialRadius + this._Altitude + 10000f));
if (drawArgs.WorldCamera.ViewFrustum.Intersects(bb))
{
if (this._showFilledPolygons && curShapeRecord.PolygonFile != String.Empty)
{
if (!this._currentPolygons.Contains(curShapeRecord.ID))
{
double dv;
double curScalar = (double)curShapeRecord.ScalarData[this._scalarKey];
double r = 1.0;
double g = 1.0;
double b = 1.0;
if (curScalar < this._scalarMin)
{
curScalar = this._scalarMin;
}
if (curScalar > this._scalarMax)
{
curScalar = this._scalarMax;
}
dv = this._scalarMax - this._scalarMin;
if (curScalar < (this._scalarMin + 0.25 * dv))
{
r = 0;
g = 4 * (curScalar - this._scalarMin) / dv;
}
else if (curScalar < (this._scalarMin + 0.5 * dv))
{
r = 0;
b = 1 + 4 * (this._scalarMin + 0.25 * dv - curScalar) / dv;
}
else if (curScalar < (this._scalarMin + 0.75 * dv))
{
r = 4 * (curScalar - this._scalarMin - 0.5 * dv) / dv;
b = 0;
}
else
{
g = 1 + 4 * (this._scalarMin + 0.75 * dv - curScalar) / dv;
b = 0;
}
//float colorPercent = 1.0f;
//if(this._scalarKey != null)
//{
// double curScalar = (double)curShapeRecord.ScalarData[this._scalarKey];
// colorPercent = (float)((float)curScalar - (float)this._scalarMin) / ((float)this._scalarMax - (float)this._scalarMin);
//}
PolygonLayer newPoly = new PolygonLayer(
curShapeRecord.ID,
this._parentWorld,
this._minDisplayAltitude,
this._maxDisplayAltitude,
this._Altitude,
curShapeRecord.PolygonFile,
System.Drawing.Color.FromArgb((int)(255 * r), (int)(255 * g), (int)(255 * b))
//System.Drawing.Color.FromArgb((int)(this._color.R * colorPercent), (int)(this._color.G * colorPercent), (int)(this._color.B * colorPercent))
);
newPoly.Initialize(drawArgs);
newPoly.Update(drawArgs);
lock (this._currentPolygons.SyncRoot)
{
this._currentPolygons.Add(curShapeRecord.ID, newPoly);
}
}
else
{
PolygonLayer curPoly = (PolygonLayer)this._currentPolygons[curShapeRecord.ID];
curPoly.Update(drawArgs);
}
}
if (this._showBoundaries && curShapeRecord.BoundaryFile != String.Empty)
{
if (!this._currentBoundaries.Contains(curShapeRecord.ID))
{
BoundaryLayer newBoundary = new BoundaryLayer(
curShapeRecord.ID,
this._parentWorld,
this._Altitude,
this._minDisplayAltitude,
this._maxDisplayAltitude,
curShapeRecord.BoundaryFile,
this._color);
newBoundary.Initialize(drawArgs);
newBoundary.Update(drawArgs);
lock (this._currentBoundaries.SyncRoot)
{
this._currentBoundaries.Add(curShapeRecord.ID, newBoundary);
}
}
else
{
BoundaryLayer curBoundary = (BoundaryLayer)this._currentBoundaries[curShapeRecord.ID];
curBoundary.Update(drawArgs);
}
}
}
else
{
if (this._showFilledPolygons && curShapeRecord.PolygonFile != String.Empty)
{
if (this._currentPolygons.Contains(curShapeRecord.ID))
{
lock (this._currentPolygons.SyncRoot)
{
using (PolygonLayer oldPoly = (PolygonLayer)this._currentPolygons[curShapeRecord.ID])
this._currentPolygons.Remove(curShapeRecord.ID);
}
}
}
if (this._showBoundaries && curShapeRecord.BoundaryFile != String.Empty)
{
if (this._currentBoundaries.Contains(curShapeRecord.ID))
{
lock (this._currentBoundaries.SyncRoot)
{
using (BoundaryLayer oldBoundary = (BoundaryLayer)this._currentBoundaries[curShapeRecord.ID])
this._currentBoundaries.Remove(curShapeRecord.ID);
}
}
}
}
}
}
else
{
//remove current rendering resources
}
}
catch (System.Threading.ThreadAbortException)
{
}
catch (Exception caught)
{
Log.Write(caught);
}
}
