/// <summary>
/// This is the method that actually does the work.
/// </summary>
/// <param name="DA">The DA object is used to retrieve from inputs and store in outputs.</param>
protected override void SolveInstance(IGH_DataAccess DA)
{
int sleeptime = 1500;
if (!DA.GetData(3, ref sleeptime))
{
sleeptime = 1500;
}
int folderint = 0;
if (!DA.GetData(4, ref folderint))
{
folderint = 0;
}
string path_in = @"c:\eplus\EPOpti17\Input" + folderint + @"\";
string path_out = @"c:\eplus\EPOpti17\Output" + folderint + @"\";
string eplusexe = @"c:\eplus\EPOpti17\Input" + folderint + @"\ep\energyplus.exe";
//get idf and weather files
string idffile = @"blabla";
if (!DA.GetData(0, ref idffile))
{
return;
}
string weatherfile = @"blabla";
if (!DA.GetData(1, ref weatherfile))
{
return;
}
//RUN SIMU
bool runit = false;
if (!DA.GetData(2, ref runit))
{
return;
}
//get input parameters
int dvar = 13;
double[] x = new double[dvar];
for (int i = 0; i < x.Length; i++)
{
if (!DA.GetData(i + 6, ref x[i]))
{
return;
}
}
;
if (runit == true)
{
//***********************************************************************************
//***********************************************************************************
//***********************************************************************************
//modify idf file with parameters and save as new idf file
string idfmodified = idffile + "_modi";
//load idf into a huge string
string[] lines;
var list = new List <string>();
var fileStream = new FileStream(path_in + idffile + ".idf", FileMode.Open, FileAccess.Read);
using (var streamReader = new StreamReader(fileStream))
{
string line;
while ((line = streamReader.ReadLine()) != null)
{
list.Add(line);
}
}
lines = list.ToArray();
fileStream.Close();
//to be replaced
string[] replacethis = new string[dvar + 1];
for (int i = 0; i < replacethis.Length; i++)
{
replacethis[i] = @"%" + i.ToString() + @"%";
}
//replacers
string[] replacers = new string[replacethis.Length];
for (int i = 0; i < dvar; i++)
{
replacers[i] = x[i].ToString();
}
replacers[13] = (x[8] * 0.0006875 - 0.00025).ToString();
//constraints
bool[] gx = new bool[4]; //true means constraint violation
if (x[0] - x[1] + 0.5488 >= 0)
{
gx[0] = true;
}
if (x[2] - x[3] + 0.5488 >= 0)
{
gx[1] = true;
}
if (x[4] - x[5] + 0.5488 >= 0)
{
gx[2] = true;
}
if (x[6] - x[7] + 0.5488 >= 0)
{
gx[3] = true;
}
//scan string for keywords and replace them with parameters
for (int i = 0; i < lines.Length; i++)
{
for (int u = 0; u < replacethis.Length; u++)
{
lines[i] = lines[i].Replace(replacethis[u], replacers[u]);
}
}
//write a new idf file
File.WriteAllLines(path_in + idfmodified + ".idf", lines);
string idffilenew = path_in + idfmodified + ".idf";
string weatherfilein = path_in + @"ep\WeatherData\" + weatherfile + ".epw";
//***********************************************************************************
//***********************************************************************************
//***********************************************************************************
//run eplus
string command = @" -w " + weatherfilein + @" -d " + path_out + @" " + idffilenew;
Misc.RunEplus(eplusexe, command);
//***********************************************************************************
//***********************************************************************************
//***********************************************************************************
//process Outputs
string outputfile = "eplustbl.csv";
while (!File.Exists(path_out + outputfile))
{
Console.WriteLine("waiting");
}
//output result
double result = double.NaN;
//identify correct result file. load it. get the right numbers from it
lines = new string[] { };
list = new List <string>();
fileStream = new FileStream(path_out + outputfile, FileMode.Open, FileAccess.Read);
using (var streamReader = new StreamReader(fileStream))
{
string line;
while ((line = streamReader.ReadLine()) != null)
{
list.Add(line);
}
}
lines = list.ToArray();
fileStream.Close();
double Fx;
string[] split;
char delimiter = ',';
split = lines[16].Split(delimiter);
string MJm2 = split[4];
Fx = (Convert.ToDouble(gx[0]) * 0.5 +
Convert.ToDouble(gx[1]) * 0.5 +
Convert.ToDouble(gx[2]) * 0.5 +
Convert.ToDouble(gx[3]) * 0.5 +
1) * Convert.ToDouble(MJm2);
result = Fx;
System.Threading.Thread.Sleep(sleeptime);
System.IO.File.Delete(path_in + idfmodified + ".idf");
System.IO.DirectoryInfo di = new DirectoryInfo(path_out);
foreach (FileInfo file in di.GetFiles())
{
file.Delete();
}
foreach (DirectoryInfo dir in di.GetDirectories())
{
dir.Delete(true);
}
DA.SetData(0, result);
}
}
