/// <summary>
/// Ref: http://www.sunearthtools.com/tools/distance.php#contents
/// </summary>
/// <param name="A">Point A</param>
/// <param name="B">Point B</param>
/// <returns>Angle between two points in the sphere</returns>
private static double AngleBetweenPoints(Vector2D A, Vector2D B)
{
var latA = GSMiner.Deg2Rad(A.Y);
var lngA = GSMiner.Deg2Rad(A.X);
var latB = GSMiner.Deg2Rad(B.Y);
var lngB = GSMiner.Deg2Rad(B.X);
var phi = Math.Log(Math.Tan((latB / 2.0) + (Math.PI / 4)) / Math.Tan((latA / 2.0) + (Math.PI / 4)));
var lon = Math.Abs(lngA - lngB);
/*Rolamento*/
var theta = Math.Atan2(lon, phi);
return((theta * 180.0) / Math.PI);
}
public void getImagesForPoints(ICollection <StreetPointModel> points)
{
for (int i = 0; i < points.Count() - 1; i++)
{
var point = points.ElementAt(i);
if (point.GSPanorama == null)
{
continue;
}
var nextPoint = points.ElementAt(i + 1);
var vectorA = new Vector2D(point.lng, point.lat);
var vectorB = new Vector2D(nextPoint.lng, nextPoint.lat);
//if (point.GSPanorama.GSPicture != null && point.GSPanorama.GSPicture.Count > 0 && Math.Abs(point.GSPanorama.frontAngle - estimatedAngle) < 0.00000001) continue;
//point.GSPanorama.frontAngle = GSMiner.OldAngleBetweenPoints(vectorA, vectorB);
point.GSPanorama.frontAngle = GSMiner.AngleBetweenPoints(vectorA, vectorB);
if (point.GSPanorama.GSPicture == null)
{
point.GSPanorama.GSPicture = new List <GSPicture>();
}
var pano = point.GSPanorama.panoID;
if (pano != null && pano.Length == 22)
{
GSQueryBuilder querybuilder = new GSQueryBuilder(pano, 640, 640, point.GSPanorama.frontAngle, point.GSPanorama.pitch, key);
var picture = new GSPicture();
string finalURL = gsURL + querybuilder.getQueryPanoId();
picture.imageURI = DownloadBase64ImageFromURI(finalURL);
//picture.imageURI = "Testando";
picture.heading = point.GSPanorama.frontAngle;
point.GSPanorama.GSPicture.Add(picture);
}
}
var lastPoint = points.ElementAt(points.Count - 1);
if (lastPoint.GSPanorama == null)
{
return;
}
var secondToLastPoint = points.LastOrDefault(p => p.GSPanorama != null && p != lastPoint);
if (secondToLastPoint == null)
{
return;
}
var lastAngle = secondToLastPoint.GSPanorama.frontAngle;
if (lastPoint.GSPanorama.GSPicture == null)
{
lastPoint.GSPanorama.GSPicture = new List <GSPicture>();
}
lastPoint.GSPanorama.frontAngle = lastAngle;
var lastPano = lastPoint.GSPanorama.panoID;
if (lastPano != null)
{
GSQueryBuilder querybuilder = new GSQueryBuilder(lastPano, 640, 640, lastPoint.GSPanorama.frontAngle, lastPoint.GSPanorama.pitch, key);
var picture = new GSPicture();
string finalURL = gsURL + querybuilder.getQueryPanoId();
picture.imageURI = DownloadBase64ImageFromURI(finalURL);
picture.heading = lastPoint.GSPanorama.frontAngle;
lastPoint.GSPanorama.GSPicture.Add(picture);
}
}
