public void SetLevel(DrawMgrsRaster.EGridPrecision pPrecision, double pMeterPerPixel)
{
pMeterPerPixel = ((int)(pMeterPerPixel * 10)) / 10.0;
switch (pPrecision)
{
case DrawMgrsRaster.EGridPrecision.Grid100m:
MaxMetersPerPixelGrid100m = Math.Min(LimitMetersPerPixelGrid100m, pMeterPerPixel);
if (MaxMetersPerPixelGrid1km <= MaxMetersPerPixelGrid100m) MaxMetersPerPixelGrid1km = Math.Min(MaxMetersPerPixelGrid100m + 0.1, LimitMetersPerPixelGrid1km);
if (MaxMetersPerPixelGrid10km <= MaxMetersPerPixelGrid1km) MaxMetersPerPixelGrid10km = Math.Min(MaxMetersPerPixelGrid10km + 0.1, LimitMetersPerPixelGrid10km);
break;
case DrawMgrsRaster.EGridPrecision.Grid1km:
MaxMetersPerPixelGrid1km = Math.Min(LimitMetersPerPixelGrid1km, pMeterPerPixel);
if (MaxMetersPerPixelGrid100m >= MaxMetersPerPixelGrid1km) MaxMetersPerPixelGrid100m = Math.Min(MaxMetersPerPixelGrid1km - 0.1, LimitMetersPerPixelGrid100m);
if (MaxMetersPerPixelGrid10km <= MaxMetersPerPixelGrid1km) MaxMetersPerPixelGrid10km = Math.Min(MaxMetersPerPixelGrid1km + 0.1, LimitMetersPerPixelGrid10km);
break;
case DrawMgrsRaster.EGridPrecision.Grid10km:
MaxMetersPerPixelGrid10km = Math.Min(LimitMetersPerPixelGrid10km, pMeterPerPixel);
if (MaxMetersPerPixelGrid1km >= MaxMetersPerPixelGrid10km) MaxMetersPerPixelGrid1km = Math.Min(MaxMetersPerPixelGrid10km-0.1, LimitMetersPerPixelGrid1km);
if (MaxMetersPerPixelGrid100m >= MaxMetersPerPixelGrid1km) MaxMetersPerPixelGrid100m = Math.Min(MaxMetersPerPixelGrid1km-0.1, LimitMetersPerPixelGrid100m);
break;
case DrawMgrsRaster.EGridPrecision.Grid100km:
SetLevel(DrawMgrsRaster.EGridPrecision.Grid10km, pMeterPerPixel - 0.1);
break;
}
}
/// <summary>
/// Gets the source image to display in the dynamic layer. Override this to generate
/// or modify images.
/// </summary>
/// <param name="properties">The image export properties.</param>
/// <param name="onComplete">The method to call when the image is ready.</param>
/// <seealso cref="ESRI.ArcGIS.Client.DynamicLayer.OnProgress"/>
protected override void GetSource(DynamicLayer.ImageParameters properties, DynamicLayer.OnImageComplete onComplete)
{
if (!IsInitialized)
{
onComplete(null, null);
return;
}
Envelope extent = properties.Extent;
var ex121 = AppStateSettings.Instance.ViewDef.MapControl.Extent;
var vp = new MgrsViewport(Map); /* Calculate visisble UTM boxes */
LastMetersPerPixel = vp.MetersPerPixel;
if (!Cfg.IsEnabled)
{
onComplete(null, null);
return;
}
var draw = new DrawMgrsRaster(Cfg, vp);
int width = properties.Width;
int height = properties.Height;
var img1 = GenerateImage1(width, height, 96, dc => draw.Render(dc));
onComplete(Convert(img1), new ImageResult(extent));
}
protected override void OnRender(DrawingContext pDrawingContext)
{
base.OnRender(pDrawingContext);
if ((!mIsInitialized) && (AppStateSettings.Instance.ViewDef.MapControl != null))
{
AppStateSettings.Instance.ViewDef.MapControl.ExtentChanged += (sender, e) => this.InvalidateVisual();
mIsInitialized = true;
}
if (!mIsInitialized) return;
//if (!(Keyboard.IsKeyDown(Key.LeftAlt) || Keyboard.IsKeyDown(Key.RightAlt))) return;
var vp = new MgrsViewport(AppStateSettings.Instance.ViewDef.MapControl); /* Calculate visisble UTM boxes */
LastMetersPerPixel = vp.MetersPerPixel;
if (!Cfg.IsEnabled) return;
var draw = new DrawMgrsRaster(Cfg, vp);
draw.Render(pDrawingContext);
}
