|
public CreateGraph ( DataDictionary.Interpreter.InterpretationContext context, Parameter parameter, |
||
| context | DataDictionary.Interpreter.InterpretationContext | The interpretation context |
| parameter | Parameter | The parameters of *the enclosing function* for which the graph should be created |
| explain | ||
| return | Graph | |
/// <summary>
/// Creates the graph associated to this expression, when the given parameter ranges over the X axis
/// </summary>
/// <param name="context">The interpretation context</param>
/// <param name="parameter">The parameters of *the enclosing function* for which the graph should be created</param>
/// <param name="explain"></param>
/// <returns></returns>
public override Graph CreateGraph(InterpretationContext context, Parameter parameter, ExplanationPart explain)
{
Graph retVal = base.CreateGraph(context, parameter, explain);
if (Term != null)
{
retVal = Graph.createGraph(GetValue(context, explain), parameter, explain);
}
else if (Expression != null)
{
if (UnaryOp == null)
{
retVal = Expression.CreateGraph(context, parameter, explain);
}
else if (UnaryOp == Minus)
{
retVal = Expression.CreateGraph(context, parameter, explain);
retVal.Negate();
}
else
{
throw new Exception("Cannot create graph where NOT operator is defined");
}
}
return(retVal);
}
/// <summary>
/// Creates the graph associated to this expression, when the given parameter ranges over the X axis
/// </summary>
/// <param name="context">The interpretation context</param>
/// <param name="parameter">The parameters of *the enclosing function* for which the graph should be created</param>
/// <param name="explain"></param>
/// <returns></returns>
public override Graph CreateGraph(InterpretationContext context, Parameter parameter, ExplanationPart explain)
{
Graph retVal;
if (parameter == Parameters[0] || parameter == Parameters[1])
{
retVal = Expression.CreateGraph(context, parameter, explain);
}
else
{
throw new Exception("Cannot create graph for parameter " + parameter.Name);
}
return(retVal);
}
/// <summary>
/// Creates the graph for the unbound parameters provided
/// </summary>
/// <param name="context"></param>
/// <param name="expression"></param>
/// <param name="function"></param>
/// <param name="unbound"></param>
/// <param name="explain"></param>
/// <returns></returns>
private Graph createGraphForUnbound(InterpretationContext context, Expression expression, Function function,
List<Parameter> unbound, ExplanationPart explain)
{
Graph retVal;
if (unbound.Count == 0)
{
if (function != null && function.FormalParameters.Count > 0)
{
retVal = function.CreateGraph(context, (Parameter) function.FormalParameters[0], explain);
}
else
{
retVal = Graph.createGraph(expression.GetValue(context, explain), null, explain);
}
}
else
{
if (function == null)
{
retVal = expression.CreateGraph(context, unbound[0], explain);
}
else
{
retVal = function.CreateGraph(context, unbound[0], explain);
}
}
return retVal;
}
