public static LinesGisLayer GenerateDistanceGrid(Game Game, DVector2 lonLatLeftBottomCorner, double step, int xStepsCount, int yStepsCount, Color color)
{
List<Gis.GeoPoint> points = new List<Gis.GeoPoint>();
// Too lazy
//var yPoint = lonLatLeftBottomCorner;
//for (int row = 0; row < yStepsCount; row++) {
//
// yPoint = GeoHelper.RhumbDestinationPoint(yPoint, 0, step);
//
// for (int col = 0; col < xStepsCount; col++)
// {
// var coords0 = GeoHelper.RhumbDestinationPoint(yPoint, 90, step * col);
// //var coords1 = GeoHelper.RhumbDestinationPoint(coords0, 90, step);
//
// points.Add(new Gis.GeoPoint {
// Lon = DMathUtil.DegreesToRadians(coords0.X),
// Lat = DMathUtil.DegreesToRadians(coords0.Y),
// Color = color
// });
// //points.Add(new Gis.GeoPoint {
// // Lon = DMathUtil.DegreesToRadians(coords1.X),
// // Lat = DMathUtil.DegreesToRadians(coords1.Y),
// // Color = color
// //});
// }
//}
for (int col = 0; col < xStepsCount; col++) {
var xPoint = GeoHelper.RhumbDestinationPoint(lonLatLeftBottomCorner, 90, step * col);
for (int row = 0; row < yStepsCount; row++) {
var coords0 = GeoHelper.RhumbDestinationPoint(xPoint, 0, step * row);
//var coords1 = GeoHelper.RhumbDestinationPoint(xPoint, 0, step * (row + 1));
points.Add(new Gis.GeoPoint {
Lon = DMathUtil.DegreesToRadians(coords0.X),
Lat = DMathUtil.DegreesToRadians(coords0.Y),
Color = color
});
//points.Add(new Gis.GeoPoint
//{
// Lon = DMathUtil.DegreesToRadians(coords1.X),
// Lat = DMathUtil.DegreesToRadians(coords1.Y),
// Color = color
//});
}
}
var indeces = new List<int>();
for (int col = 0; col < xStepsCount-1; col++) {
for (int row = 0; row < yStepsCount; row++) {
indeces.Add(row + (col+1) * yStepsCount);
indeces.Add(row + col*yStepsCount);
}
}
for (int row = 0; row < yStepsCount-1; row++)
{
for (int col = 0; col < xStepsCount; col++)
{
indeces.Add(col * yStepsCount + row);
indeces.Add((col) * yStepsCount + row + 1);
}
}
var newPoints = new List<Gis.GeoPoint>();
foreach (var ind in indeces) {
newPoints.Add(points[ind]);
}
var linesLayer = new LinesGisLayer(Game, newPoints.Count);
Array.Copy(newPoints.ToArray(), linesLayer.PointsCpu, newPoints.Count);
linesLayer.UpdatePointsBuffer();
linesLayer.Flags = (int)(LineFlags.THIN_LINE);
return linesLayer;
}
public static LinesGisLayer GenerateGrid(Game Game, DVector2 leftTop, DVector2 rightBottom, int dimX, int dimY, Color color, MapProjection projection, bool keepQuad = false)
{
var lt = projection.WorldToTilePos(leftTop.X, leftTop.Y, 0);
var rb = projection.WorldToTilePos(rightBottom.X, rightBottom.Y, 0);
if (keepQuad) {
rb.Y = lt.Y + (rb.X - lt.X);
}
double stepX = Math.Abs(rb.X - lt.X) / (dimX - 1);
double stepY = Math.Abs(rb.Y - lt.Y) / (dimY - 1);
List<Gis.GeoPoint> points = new List<Gis.GeoPoint>();
// Too lazy
for (int row = 1; row < dimY-1; row++) {
for (int col = 0; col < dimX-1; col++) {
var coords0 = projection.TileToWorldPos(lt.X + stepX * col, lt.Y + stepY * row, 0);
var coords1 = projection.TileToWorldPos(lt.X + stepX * (col+1), lt.Y + stepY * row, 0);
points.Add(new Gis.GeoPoint {
Lon = DMathUtil.DegreesToRadians(coords0.X),
Lat = DMathUtil.DegreesToRadians(coords0.Y),
Color = color
});
points.Add(new Gis.GeoPoint {
Lon = DMathUtil.DegreesToRadians(coords1.X),
Lat = DMathUtil.DegreesToRadians(coords1.Y),
Color = color
});
}
}
for (int col = 1; col < dimX-1; col++) {
for (int row = 0; row < dimY-1; row++) {
var coords0 = projection.TileToWorldPos(lt.X + stepX * col, lt.Y + stepY * row, 0);
var coords1 = projection.TileToWorldPos(lt.X + stepX * col, lt.Y + stepY * (row+1), 0);
points.Add(new Gis.GeoPoint {
Lon = DMathUtil.DegreesToRadians(coords0.X),
Lat = DMathUtil.DegreesToRadians(coords0.Y),
Color = color
});
points.Add(new Gis.GeoPoint {
Lon = DMathUtil.DegreesToRadians(coords1.X),
Lat = DMathUtil.DegreesToRadians(coords1.Y),
Color = color
});
}
}
var linesLayer = new LinesGisLayer(Game, points.Count);
Array.Copy(points.ToArray(), linesLayer.PointsCpu, points.Count);
linesLayer.UpdatePointsBuffer();
linesLayer.Flags = (int)(LineFlags.THIN_LINE);
return linesLayer;
}
