/// <summary>
/// For each table in the query, return a FeatureCollection.
/// </summary>
/// <param name="query">query with a bounding box</param>
/// <returns>set of GeoJson Features</returns>
public Bitmap GetImage(BoundingBoxQuery query)
{
Bitmap bmp = new Bitmap(query.Width, query.Height);
Metrics metrics = new Metrics(this._metricsType);
try
{
metrics.Start("Global");
using (Graphics g = Graphics.FromImage(bmp))
{
foreach (string table in query.Tables())
{
Bitmap bmpTable = null;
#region Preload cache if necessary
if (UseInMemoryCache)
{
metrics.Start("Cache");
if (!GeometryCache.IsCacheLoaded(table))
{
while (!GeometryCache.IsCacheLoaded(table))
{
GeometryCache.LoadCache(table, this.GetConnectionString());
Trace.WriteLine(string.Format("Thread {0} waiting for cache...", Thread.CurrentThread.ManagedThreadId));
}
}
metrics.Stop("Cache");
}
#endregion
if (query.IsBench)
{
bmpTable = GetBenchImageGeneric(query, metrics, table, UseInMemoryCache);
}
else if (UseInMemoryCache)
{
bmpTable = GetImage_BBox(query, metrics, table);
}
//else
// bmpTable = GetImageGeneric_FromDB(query, metrics, table, false);
g.DrawImageUnscaled(bmpTable, 0, 0);
bmp.Tag = bmpTable.Tag;
bmpTable.Dispose();
}
}
metrics.Stop("Global");
#region Calculate metrics to return.
// Calculate metrics to return.
switch (_metricsType)
{
case enMetricsType.OnlyTime:
string msg = null;
foreach (var kv in metrics.GetTaskTimes())
{
msg += string.Format("{0}: {1,6:###,###} ms{2}", kv.Key, kv.Value.TotalMilliseconds, Environment.NewLine);
}
this.DrawMsgInImage(ref bmp, msg);
break;
default:
break;
}
#endregion
}
catch (Exception ex)
{
#region Write exception in image
// Write exception in image
using (Graphics g = Graphics.FromImage(bmp))
{
g.Clear(Color.FromArgb(128, Color.Red));
using (Font font = new Font(FontFamily.GenericMonospace, 11, FontStyle.Regular, GraphicsUnit.Pixel))
g.DrawString(ex.ToString(), font, Brushes.Black, new RectangleF(0, 0, 256, 256));
}
#endregion
}
return(bmp);
}
/// <summary>
/// For each table in the query, return a FeatureCollection.
/// </summary>
/// <param name="query">query with a bounding box</param>
/// <returns>set of GeoJson Features</returns>
public List <SqlGeometry> GetGeometries(BoundingBoxQuery query)
{
List <SqlGeometry> outGeom = new List <SqlGeometry>();
Metrics metrics = new Metrics(this._metricsType);
try
{
metrics.Start("Global");
foreach (string table in query.Tables())
{
#region Preload cache if necessary
if (UseInMemoryCache)
{
metrics.Start("Cache");
if (!GeometryCache.IsCacheLoaded(table))
{
while (!GeometryCache.IsCacheLoaded(table))
{
GeometryCache.LoadCache(table, this.GetConnectionString());
Trace.WriteLine(string.Format("Thread {0} waiting for cache...", Thread.CurrentThread.ManagedThreadId));
}
}
metrics.Stop("Cache");
}
#endregion
outGeom.AddRange(GetGeometries_BBox(query, metrics, table));
}
metrics.Stop("Global");
#region Calculate metrics to return. (TODO)
// Calculate metrics to return.
switch (_metricsType)
{
case enMetricsType.OnlyTime:
string msg = null;
foreach (var kv in metrics.GetTaskTimes())
{
msg += string.Format("{0}: {1,6:###,###} ms{2}", kv.Key, kv.Value.TotalMilliseconds, Environment.NewLine);
}
//this.DrawMsgInImage(ref bmp, msg);
break;
default:
break;
}
#endregion
}
catch (Exception ex)
{
throw;
}
return(outGeom);
}
