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Materials.cs
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Materials.cs
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//'Pachyderm-Acoustic: Geometrical Acoustics for Rhinoceros (GPL) by Arthur van der Harten
//'
//'This file is part of Pachyderm-Acoustic.
//'
//'Copyright (c) 2008-2015, Arthur van der Harten
//'Pachyderm-Acoustic is free software; you can redistribute it and/or modify
//'it under the terms of the GNU General Public License as published
//'by the Free Software Foundation; either version 3 of the License, or
//'(at your option) any later version.
//'Pachyderm-Acoustic is distributed in the hope that it will be useful,
//'but WITHOUT ANY WARRANTY; without even the implied warranty of
//'MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
//'GNU General Public License for more details.
//'
//'You should have received a copy of the GNU General Public
//'License along with Pachyderm-Acoustic; if not, write to the Free Software
//'Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
using System.Collections.Generic;
namespace Pachyderm_Acoustic
{
/// <summary>
/// A class to contain the acoustic materials library.
/// </summary>
public class Acoustics_Library : List<Material>
{
public Acoustics_Library()
: base()
{
//Read Absorption values in from library file designated on the Options Page...
Load_Library();
}
/// <summary>
/// Loads the user defined materials library.
/// </summary>
public void Load_Library()
{
this.Clear();
System.IO.StreamReader Reader;
try
{
string MLPath = UI.PachydermAc_PlugIn.Instance.ML_Path();
MLPath += "\\Pach_Materials_Library.txt";
Reader = new System.IO.StreamReader(MLPath);
}
catch (System.Exception)
{
return;
}
do
{
try
{
string Material = Reader.ReadLine();
string[] D_Mat = Material.Split(new char[] { ':' });
string Name = D_Mat[0].Trim();
string Abs_Code = D_Mat[1].Trim();
Abs_Code += "0000000000000000";
double[] Abs = new double[8];
double[] Sct = new double[8];
double[] Trns = new double[8];
UI.PachydermAc_PlugIn.DecodeAcoustics(Abs_Code, ref Abs, ref Sct, ref Trns);
this.Add_Unique(Name, Abs);
}
catch (System.Exception)
{ continue; }
} while (!Reader.EndOfStream);
Reader.Close();
}
public void Add_Unique(string Name, double[] Abs)
{
for (int i = 0; i < Count; i++)
{
if (!string.Equals(this[i].Name, Name, System.StringComparison.OrdinalIgnoreCase)) continue;
Rhino.RhinoApp.WriteLine(string.Format("Replacing material '{0}'", this[i].Name));
this.RemoveAt(i);
break;
}
this.Add(new Material(Name, Abs));
}
public void Delete (string Name)
{
for (int i = 0; i < Count; i++)
{
if (!string.Equals(this[i].Name, Name, System.StringComparison.OrdinalIgnoreCase)) continue;
Rhino.RhinoApp.WriteLine(string.Format("Deleting material '{0}'", this[i].Name));
this.RemoveAt(i);
break;
}
}
public Material byKey(string Selection)
{
foreach (Material Mat in this) if (Mat.Name == Selection) return Mat;
throw new System.Exception();
}
/// <summary>
/// Saves the user defined materials library.
/// </summary>
public void Save_Library()
{
//Enter an external file saver here...
string MLPath = UI.PachydermAc_PlugIn.Instance.ML_Path();
MLPath += "\\Pach_Materials_Library.txt";
System.IO.StreamWriter Writer;
Writer = new System.IO.StreamWriter(MLPath);
for (int i = 0; i < this.Count; i++)
{
string Entry = this[i].Name + ':';
int[] sct = new int[8];
int[] abs = new int[8];
int[] trns = new int[1];
for (int oct = 0; oct < 8; oct++)
{
abs[oct] = (int)(this[i].Absorption[oct] * 100.0);
}
string Abs_Code = UI.PachydermAc_PlugIn.EncodeAcoustics(abs, sct, trns);
Entry += Abs_Code.Substring(0, 16);
Writer.WriteLine(Entry);
}
Writer.Close();
}
/// <summary>
/// Returns the names of all user defined materials for display in an interface component.
/// </summary>
/// <returns></returns>
public List<string> Names()
{
List<string> Catalog = new List<string>();
foreach (Material obj in this)
{
Catalog.Add(obj.Name);
}
return Catalog;
}
}
/// <summary>
/// a structure defining a material.
/// </summary>
public struct Material
{
public double[] Absorption;
public string Name;
/// <summary>
/// constructor
/// </summary>
/// <param name="nym">the name of the material</param>
/// <param name="Abs">the absorption coefficients, from 62.5 Hz.[0] to 8 khz.[7]</param>
public Material(string nym, double[] Abs)
{
Name = nym;
Absorption = Abs;
}
}
}