ClemensFischer/XAML-Map-Control
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ClemensFischer 2022-11-30 22:18:45 +01:00
parent 9db1987ee5
commit 754e185c5d
20 changed files with 83 additions and 48 deletions
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18
MapControl/Shared/WmtsTileMatrixLayer.cs
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@ -21,8 +21,8 @@ namespace MapControl
{
public class WmtsTileMatrixLayer : Panel
{
// zoomLevel is index of tileMatrix in a WmtsTileMatrixSet.TileMatrixes list
//
// zoomLevel is index of tileMatrix in a WmtsTileMatrixSet.TileMatrixes list.
//
public WmtsTileMatrixLayer(WmtsTileMatrix tileMatrix, int zoomLevel)
{
RenderTransform = new MatrixTransform();
@ -38,7 +38,7 @@ namespace MapControl
public void SetRenderTransform(ViewTransform viewTransform)
{
// tile matrix origin in pixels
// Tile matrix origin in pixels.
//
var tileMatrixOrigin = new Point(WmtsTileMatrix.TileWidth * TileMatrix.XMin, WmtsTileMatrix.TileHeight * TileMatrix.YMin);
@ -48,24 +48,24 @@ namespace MapControl
public bool UpdateTiles(ViewTransform viewTransform, Size viewSize)
{
// bounds in tile pixels from view size
// Bounds in tile pixels from view size.
//
var bounds = viewTransform.GetTileMatrixBounds(WmtsTileMatrix.Scale, WmtsTileMatrix.TopLeft, viewSize);
// tile X and Y bounds
// Tile X and Y bounds.
//
var xMin = (int)Math.Floor(bounds.X / WmtsTileMatrix.TileWidth);
var yMin = (int)Math.Floor(bounds.Y / WmtsTileMatrix.TileHeight);
var xMax = (int)Math.Floor((bounds.X + bounds.Width) / WmtsTileMatrix.TileWidth);
var yMax = (int)Math.Floor((bounds.Y + bounds.Height) / WmtsTileMatrix.TileHeight);
// total tile matrix width in meters
// Total tile matrix width in meters.
//
var totalWidth = WmtsTileMatrix.MatrixWidth * WmtsTileMatrix.TileWidth / WmtsTileMatrix.Scale;
if (Math.Abs(totalWidth - 360d * MapProjection.Wgs84MeterPerDegree) > 1d)
{
// no full longitudinal coverage, restrict x index
// No full longitudinal coverage, restrict x index.
//
xMin = Math.Max(xMin, 0);
xMax = Math.Min(Math.Max(xMax, 0), WmtsTileMatrix.MatrixWidth - 1);
@ -77,7 +77,7 @@ namespace MapControl
if (TileMatrix.XMin == xMin && TileMatrix.YMin == yMin &&
TileMatrix.XMax == xMax && TileMatrix.YMax == yMax)
{
// no change of the TileMatrix and the Tiles collection
// No change of the TileMatrix and the Tiles collection.
//
return false;
}
@ -122,7 +122,7 @@ namespace MapControl
{
foreach (var tile in Tiles)
{
// arrange tiles relative to XMin/YMin
// Arrange tiles relative to XMin/YMin.
//
var x = WmtsTileMatrix.TileWidth * (tile.X - TileMatrix.XMin);
var y = WmtsTileMatrix.TileHeight * (tile.Y - TileMatrix.YMin);