private void TryCalcMpu(string mapDef)
{
BusyWaitDialog.Run(Strings.CalculatingMpu, () =>
{
var currentPath = Path.GetDirectoryName(new Uri(Assembly.GetExecutingAssembly().CodeBase).LocalPath);
var mpuCalc = Path.Combine(currentPath, "AddIns/Local/MpuCalc.exe"); //NOXLATE
if (!File.Exists(mpuCalc) && mapDef.EndsWith(ResourceTypes.MapDefinition.ToString()))
{
int[] cmdTypes = m_connection.Capabilities.SupportedCommands;
if (Array.IndexOf(cmdTypes, (int)OSGeo.MapGuide.MaestroAPI.Commands.CommandType.CreateRuntimeMap) < 0)
{
IMapDefinition mdf = (IMapDefinition)m_connection.ResourceService.GetResource(mapDef);
var calc = m_connection.GetCalculator();
return(new MpuCalcResult()
{
Method = MpuMethod.BuiltIn,
Result = Convert.ToDecimal(calc.Calculate(mdf.CoordinateSystem, 1.0))
});
}
else
{
ICreateRuntimeMap create = (ICreateRuntimeMap)m_connection.CreateCommand((int)OSGeo.MapGuide.MaestroAPI.Commands.CommandType.CreateRuntimeMap);
create.MapDefinition = mapDef;
create.RequestedFeatures = (int)RuntimeMapRequestedFeatures.None;
var info = create.Execute();
return(new MpuCalcResult()
{
Method = MpuMethod.CreateRuntimeMap,
Result = Convert.ToDecimal(info.CoordinateSystem.MetersPerUnit)
});
}
}
else
{
IResource res = m_connection.ResourceService.GetResource(mapDef);
ITileSetDefinition tsd = res as ITileSetDefinition;
IMapDefinition mdf = res as IMapDefinition;
string coordSys = null;
if (mdf != null)
{
coordSys = mdf.CoordinateSystem;
}
else if (tsd != null)
{
coordSys = tsd.GetDefaultCoordinateSystem();
}
string output = string.Empty;
if (coordSys != null)
{
var proc = new Process
{
StartInfo = new ProcessStartInfo
{
FileName = mpuCalc,
Arguments = coordSys,
UseShellExecute = false,
RedirectStandardOutput = true,
CreateNoWindow = true
}
};
proc.Start();
StringBuilder sb = new StringBuilder();
while (!proc.StandardOutput.EndOfStream)
{
string line = proc.StandardOutput.ReadLine();
// do something with line
sb.AppendLine(line);
}
output = sb.ToString();
}
double mpu;
if (double.TryParse(output, out mpu))
{
return new MpuCalcResult()
{
Method = MpuMethod.MpuCalcExe, Result = Convert.ToDecimal(mpu)
}
}
;
else
{
return(string.Format(Strings.FailedToCalculateMpu, output));
}
}
}, (res, ex) =>
{
if (ex != null)
{
ErrorDialog.Show(ex);
}
else
{
var mres = res as MpuCalcResult;
if (mres != null)
{
MetersPerUnit.Value = mres.Result;
if (mres.Method == MpuMethod.BuiltIn)
{
MessageBox.Show(Strings.ImperfectMpuCalculation);
}
}
else
{
MessageBox.Show(res.ToString());
}
}
});
}