public ParametricSurface(ParametricSurfaceDelegate function)
{
if (function == null)
throw new ArgumentNullException("function");
_function = function;
base._delegate = _function;
base._definitionType = DefinitionType.Numerical;
}
/// <example>
/// <code lang="CS">
/// using System;
/// using Genetibase.MathX.Core;
///
/// namespace Genetibase.MathX.Core.Tests
/// {
/// public class ParametricSurfaceSample
/// {
/// [STAThread]
/// static void Main(string[] args)
/// {
/// // create function
/// ParametricSurface function = new ParametricSurface("u+v","u-v","u*v");
///
/// // calculate function _Function;
/// for (int u = 0; u < 100; u++)
/// for (int v = 0; v < 100; v++)
/// {
/// Console.WriteLine("f({0},{1}) = ({2},{3},{4})",
/// u,v,function.ValueAt(u,v).X,function.ValueAt(u,v).Y,
/// function.ValueAt(u,v).Z);
/// }
///
/// }
/// }
/// }
/// </code>
/// </example>
public ParametricSurface(string expressionX, string expressionY, string expressionZ)
{
if (expressionX == null)
{
throw new ArgumentNullException("expressionX");
}
if (expressionY == null)
{
throw new ArgumentNullException("expressionY");
}
if (expressionZ == null)
{
throw new ArgumentNullException("expressionZ");
}
_expressionTreeX = new ExpressionTree(expressionX);
_expressionTreeY = new ExpressionTree(expressionY);
_expressionTreeZ = new ExpressionTree(expressionZ);
if (_expressionTreeX.Variables.Length > 2)
{
throw new ArgumentException("expressionX");
}
if (_expressionTreeY.Variables.Length > 2)
{
throw new ArgumentException("expressionY");
}
if (_expressionTreeZ.Variables.Length > 2)
{
throw new ArgumentException("expressionZ");
}
_expressionX = expressionX;
_expressionY = expressionY;
_expressionZ = expressionZ;
_expression = string.Format("{0};{1};{2}",
_expressionX, _expressionY, _expressionZ);
ExpressionCompiler compiler =
new ExpressionCompiler(new ExpressionTree[] {
_expressionTreeX,
_expressionTreeY,
_expressionTreeZ
});
_functionX = FunctionFactory.CreateRealFunction(_expressionTreeX);
_functionY = FunctionFactory.CreateRealFunction(_expressionTreeY);
_functionZ = FunctionFactory.CreateRealFunction(_expressionTreeZ);
_function = (ParametricSurfaceDelegate)compiler.CreateDelegate(typeof(ParametricSurfaceDelegate),
"return new Point3D({0},{1},{2});");
base._delegate = _function;
base._definitionType = DefinitionType.Analytic;
}
public ParametricSurface(ParametricSurfaceDelegate function)
{
if (function == null)
{
throw new ArgumentNullException("function");
}
_function = function;
base._delegate = _function;
base._definitionType = DefinitionType.Numerical;
}
public ParametricSurfacePlotter(ParametricSurface function)
{
_function = function.ValueAt;
}
/// <example>
/// <code lang="CS">
/// using System;
/// using Genetibase.MathX.Core;
///
/// namespace Genetibase.MathX.Core.Tests
/// {
/// public class ParametricSurfaceSample
/// {
/// [STAThread]
/// static void Main(string[] args)
/// {
/// // create function
/// ParametricSurface function = new ParametricSurface("u+v","u-v","u*v");
///
/// // calculate function _Function;
/// for (int u = 0; u < 100; u++)
/// for (int v = 0; v < 100; v++)
/// {
/// Console.WriteLine("f({0},{1}) = ({2},{3},{4})",
/// u,v,function.ValueAt(u,v).X,function.ValueAt(u,v).Y,
/// function.ValueAt(u,v).Z);
/// }
///
/// }
/// }
/// }
/// </code>
/// </example>
public ParametricSurface(string expressionX,string expressionY,string expressionZ)
{
if (expressionX == null) throw new ArgumentNullException("expressionX");
if (expressionY == null) throw new ArgumentNullException("expressionY");
if (expressionZ == null) throw new ArgumentNullException("expressionZ");
_expressionTreeX = new ExpressionTree(expressionX);
_expressionTreeY = new ExpressionTree(expressionY);
_expressionTreeZ = new ExpressionTree(expressionZ);
if (_expressionTreeX.Variables.Length > 2) throw new ArgumentException("expressionX");
if (_expressionTreeY.Variables.Length > 2) throw new ArgumentException("expressionY");
if (_expressionTreeZ.Variables.Length > 2) throw new ArgumentException("expressionZ");
_expressionX = expressionX;
_expressionY = expressionY;
_expressionZ = expressionZ;
_expression = string.Format("{0};{1};{2}",
_expressionX,_expressionY,_expressionZ);
ExpressionCompiler compiler =
new ExpressionCompiler(new ExpressionTree[] {
_expressionTreeX,
_expressionTreeY,
_expressionTreeZ
});
_functionX = FunctionFactory.CreateRealFunction(_expressionTreeX);
_functionY = FunctionFactory.CreateRealFunction(_expressionTreeY);
_functionZ = FunctionFactory.CreateRealFunction(_expressionTreeZ);
_function = (ParametricSurfaceDelegate)compiler.CreateDelegate(typeof(ParametricSurfaceDelegate),
"return new Point3D({0},{1},{2});");
base._delegate = _function;
base._definitionType = DefinitionType.Analytic;
}
public ParametricSurfacePlotter(ParametricSurface function)
{
_function = function.ValueAt;
}
