static void Main(string[] args)
{
string[] paths = new string[] { @"af:\\MARC-PI2016\IntegratingPISystemAndR\MainElement|Inside Humidity",
@"af:\\MARC-PI2016\IntegratingPISystemAndR\MainElement|Inside Temperature",
@"af:\\MARC-PI2016\IntegratingPISystemAndR\MainElement|OutsideTemperature" };
REngine _engine = REngine.GetInstance(null, true, null, null);
SvgGraphicsDevice GraphicsDevice = new SvgGraphicsDevice(new SvgContextMapper(700, 700, SvgUnitType.Pixel, null));
_engine.Initialize();
_engine.Install(GraphicsDevice);
RApplication app = new RApplication();
app.GetPIData(paths, "1-Oct-2012", "1-Nov-2012", "1h");
app.GenerateGraphic(_engine);
}
public IHttpActionResult Execute(QueryData queryData)
{
Stopwatch watch = new Stopwatch();
watch.Start();
try
{
if ((queryData.Paths == null) || (queryData.Paths.Count() < 2))
{
throw new Exception("There should be at least 2 attributes within the symbol.");
}
if (queryData.Paths.All(m => m.Substring(0, 2) == "af") == false)
{
throw new Exception("PI Points are not accepted");
}
IEnumerable <string> plots = null;
RApplication app = new RApplication();
app.GetPIData(queryData.Paths, queryData.StartTime, queryData.EndTime, queryData.Interval);
lock (_object)
{
System.Threading.Thread.Sleep(1000);
if (lastWidth != queryData.Width)
{
GraphicsDevice = new SvgGraphicsDevice(new SvgContextMapper(queryData.Width, queryData.Height, SvgUnitType.Pixel, null));
_engine.Install(GraphicsDevice);
lastWidth = queryData.Width;
}
app.GenerateGraphic(_engine);
plots = GraphicsDevice.GetImages().Select(RenderSvg);
}
return(Ok(plots));
}
catch (Exception ex)
{
return(BadRequest(ex.Message + "|\n" + ex.Source + "|\n" + ex.StackTrace));
}
finally
{
watch.Stop();
}
}