private void SetThumbnail(Mosaic item)
{
TilePointConvert tilePointConvert = new TilePointConvert();
var extent = MapView.Active.Extent;
int z = 7;
MapPoint sw = MapPointBuilder.CreateMapPoint(extent.XMin, extent.YMin, extent.SpatialReference);
sw = GeometryEngine.Instance.Project(sw, SpatialReferences.WGS84) as MapPoint;
MapPoint ne = MapPointBuilder.CreateMapPoint(extent.XMax, extent.YMax, SpatialReferences.WGS84);
ne = GeometryEngine.Instance.Project(ne, SpatialReferences.WGS84) as MapPoint;
IList <MapPoint> mapPoints = new List <MapPoint>();
mapPoints.Add(sw);
mapPoints.Add(ne);
double zz = TilePointConvert.BestMapView(mapPoints, 100, 56, 2);
z = (int)Math.Floor(zz);
if (z < 0)
{
z = z * -1;
}
var centerProjected = GeometryEngine.Instance.Project(extent.Center, SpatialReferences.WGS84) as MapPoint;
double centerlong = centerProjected.X;
double centerlat = centerProjected.Y;
PointF point = tilePointConvert.WorldToTilePos(centerlong, centerlat, z);
item.Thumbnail = item._links.tiles.Replace("{x}", Math.Floor(point.X).ToString()).Replace("{y}", Math.Floor(point.Y).ToString()).Replace("{z}", z.ToString());
}
/// <summary>
/// query the Planet api to get a list of mosics that the user is allowed to see.
/// Use pagination as the server returns 50 by default and there my be more.
/// Has a call back funtion to access the results between pages but not currently used
/// Might use in the future to asyn load the thumbnails
/// </summary>
/// <param name="callBack"></param>
/// <returns></returns>
private static async Task <List <Mosaic> > GetMosicsAsync2(Action <Mosaics> callBack = null)
{
var lstMosaics = new List <Mosaic>();
HttpClient httpClient = new HttpClient();
//httpClient.BaseAddress = new Uri("https://api.planet.com/basemaps/v1/mosaics?api_key=" + Module1.Current.API_KEY.API_KEY_Value);
var nextUrl = "https://api.planet.com/basemaps/v1/mosaics?api_key=" + Module1.Current.API_KEY.API_KEY_Value;
try
{
do
{
await httpClient.GetAsync(nextUrl).ContinueWith(async(getmaoicstask2) =>
{
var response = await getmaoicstask2;
//response.EnsureSuccessStatusCode();
if (response.IsSuccessStatusCode)
{
try
{
string responseBody = await response.Content.ReadAsStringAsync();
var result = JsonConvert.DeserializeObject <Mosaics>(responseBody);
if (result != null)
{
string x = "0";
string y = "0";
int z = 7;
//var extent = MapView.Active.Extent;
TilePointConvert tilePointConvert = new TilePointConvert();
foreach (Mosaic item in result.mosaics)
{
MapPoint sw = MapPointBuilder.CreateMapPoint(item.bbox[0], item.bbox[1], SpatialReferences.WGS84);
MapPoint ne = MapPointBuilder.CreateMapPoint(item.bbox[2], item.bbox[3], SpatialReferences.WGS84);
//MapPoint sw = MapPointBuilder.CreateMapPoint(item.bbox[0], item.bbox[1], MapView.Active.Extent.SpatialReference);
//MapPoint ne = MapPointBuilder.CreateMapPoint(item.bbox[2], item.bbox[3], MapView.Active.Extent.SpatialReference);
//MapPoint sw = MapPointBuilder.CreateMapPoint(extent.XMin, extent.YMin, extent.SpatialReference);
//sw = GeometryEngine.Instance.Project(sw, SpatialReferences.WGS84) as MapPoint;
//MapPoint ne = MapPointBuilder.CreateMapPoint(extent.XMax, extent.YMax, extent.SpatialReference);
//ne = GeometryEngine.Instance.Project(ne, SpatialReferences.WGS84) as MapPoint;
IList <MapPoint> mapPoints = new List <MapPoint>();
mapPoints.Add(sw);
mapPoints.Add(ne);
double zz = TilePointConvert.BestMapView(mapPoints, 100, 56, 2);
double[] bounds = { item.bbox[0], item.bbox[1], item.bbox[2], item.bbox[3] };
double centerlat2;
double centerlong2;
double z2;
TilePointConvert.BestMapView2(bounds, 90, 46, 2, 256, out centerlat2, out centerlong2, out z2);
z = (int)Math.Floor(zz);
if (z < 0)
{
z = z * -1;
}
double centerlong = (item.bbox[0] + item.bbox[2]) / 2;
double centerlat = (item.bbox[1] + item.bbox[3]) / 2;
//var centerProjected = GeometryEngine.Instance.Project(extent.Center, SpatialReferences.WGS84) as MapPoint;
//double centerlong = centerProjected.X;
//double centerlat = centerProjected.Y;
//z=4;
PointF point = tilePointConvert.WorldToTilePos(centerlong, centerlat, z);
double[] pos = { centerlong2, centerlat2 };
z2 = Convert.ToInt16(z2);
if (z2 < 0)
{
z2 = 0;
}
else if (z2 > 0)
{
z2 = z2 + 2;
}
tilePointConvert.WorldToTilePos2(pos, Convert.ToInt32(z2), 256, out int tileX, out int tileY);
//item.Thumbnail = item._links.tiles.Replace("{x}", x).Replace("{y}", y).Replace("{z}", "0");
//item.Thumbnail = item._links.tiles.Replace("{x}", Math.Floor(point.X).ToString()).Replace("{y}", Math.Floor(point.Y).ToString()).Replace("{z}", z.ToString());
item.Thumbnail = item._links.tiles.Replace("{x}", tileX.ToString()).Replace("{y}", tileY.ToString()).Replace("{z}", z2.ToString());
lstMosaics.Add(item);
}
// Run the callback method, passing the current page of data from the API.
//callBack?.Invoke(result);
// Get the URL for the next page
nextUrl = result._links._next ?? string.Empty;
}
}
catch (Exception sd)
{
ArcGIS.Desktop.Framework.Dialogs.MessageBox.Show("Error getting the basemaps" + Environment.NewLine + sd.Message, "Basemap error", MessageBoxButton.OK, MessageBoxImage.Error);
return;
}
}
else
{
// End loop if we get an error response.
nextUrl = string.Empty;
}
});
}while (!string.IsNullOrEmpty(nextUrl));
return(lstMosaics);
}
catch (Exception)
{
ArcGIS.Desktop.Framework.Dialogs.MessageBox.Show("Error Getting Basemaps. Please check api key and try again");
return(lstMosaics);
}
}