////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////
#define EXIST_FUNC_PLOT		EXIST_PLOT

static int	get_plot_type_info(int nPlotID, int nPageType, DWORD dwTargetLayer, DWORD& dwAuxTypeInfo, DWORD& dwAuxPlotInfo, string& strColPattern)
{
	int nPlotType = 0;
	
	if(nPlotID)
		nPlotType = Project.GetPlotTypeInfo(nPlotID, dwAuxTypeInfo, dwAuxPlotInfo, strColPattern);
	if(nPageType)
	{
		if(EXIST_DATA == nPageType || EXIST_FUNC_PLOT == nPageType)
			dwAuxTypeInfo &= ~PCD_CAN_ADD_E_H_L;
		if(EXIST_FUNC_PLOT == nPageType)
			dwAuxTypeInfo |= PCD_NO_X;
	}
	
	if (PCD_LAYER_TRI == dwTargetLayer)
	{
		DWORD dwSaveModifiers = dwAuxTypeInfo & ( PCD_MODIFIER_SIZE | PCD_MODIFIER_COLOR );
		dwAuxTypeInfo = PCD_LAYER_TRI | PCD_EXACT_YCOLS | PCD_Z_PREFER_Y | PCD_GROUP_MULTI_YS | PCD_PREFER_X | PCD_CAN_ADD_E_H_L | PCD_HIDE_ERR_BARS;
		dwAuxTypeInfo |= dwSaveModifiers;
	}
	else if (PCD_LAYER_SMITH == dwTargetLayer)
		dwAuxTypeInfo |= PCD_HIDE_ERR_BARS;
	return nPlotType;
}


int		make_plots_tree(TreeNode &tr, int nPlotType, vector<string>	&vsWksPages, vector<string>	&vsLayers, vector<string> &vsCols, vector<uint> &vpdesig)
{
	DWORD			dwAuxTypeInfo, dwLTPlotInfo;
	string			strColPattern;
	uint			nExVal = 0;
	
	int				nn = get_plot_type_info(nPlotType, EXIST_WKS, 0, dwAuxTypeInfo, dwLTPlotInfo, strColPattern);
	
	int				nRet = Project.MakeDataplotsTree(tr, nn, dwAuxTypeInfo, dwLTPlotInfo, strColPattern, nExVal, vpdesig, vsWksPages, vsLayers, vsCols, TRUE);

	return nRet;
}


// ---------------------------------------------------------------------------------- //
//		It adds one or more plots to a graph layer.
//	Parameters:
//		lay=graph layer to add the plot(s) to.
//		nPlotType=plot type id
//		lpcszWksName=the name of the worksheet to take the data from
//		vsCols=vector of strings with the column names to use when creating the plot.
//		vpdesig=a vector of integers holding the column designations for each column
//				from the vector vsCols. The size of the vector vpdesig must match
//				the size of the vector vsCols. The column designations must have the
//				values from the following enumeration:
//				typedef enum tagPlotDesignationEx {
//					COLDESIG_NONE = 0,
//					COLDESIG_X = 1,
//					COLDESIG_Y,
//					COLDESIG_Z,
//					COLDESIG_ERROR_OR_LABEL_BEGIN,
//					COLDESIG_LABEL = COLDESIG_ERROR_OR_LABEL_BEGIN,
//					COLDESIG_XERROR,
//					COLDESIG_YERROR,
//					COLDESIG_YPLUSERROR,
//					COLDESIG_ERROR_OR_LABEL_END,
//					COLDESIG_YMINUSERROR = COLDESIG_ERROR_OR_LABEL_END,
//					COLDESIG_SIZE,    // for symbol size in bubble plots
//					COLDESIG_COLOR,    // for symbol color in scatter color plots
//					COLDESIG_VECTOR_ANGLE,  // for vector XYAM plots
//					COLDESIG_VECTOR_MAGNITUDE,  // for vector XYAM plots
//					COLDESIG_VECTOR_XEND,  // for vector XYXY plots
//					COLDESIG_VECTOR_YEND  // for vector XYXY plots
//				} PlotDesignationEx;
//
//	Returns:
//		the total number of plots added.
// ---------------------------------------------------------------------------------- //				
int		add_plots_to_layer(GraphLayer &lay, int nPlotType, LPCSTR lpcszWksName, vector<string> &vsCols, vector<uint> &vpdesig)
{
	Tree			tr;
	vector<string>	vsWksPages;
	vector<string>	vsLayers;
	
	vsWksPages.Add(lpcszWksName);
	vsLayers.SetSize(1);
	
	
	int				nRet = make_plots_tree(tr, nPlotType, vsWksPages, vsLayers, vsCols, vpdesig);
	if (!nRet)
	{
		out_str("Cannot create plot tree.");
		return FALSE;
	}
	
	TreeNode		trLayer = tr.FirstNode;
	int				nNumPlotsAdded = lay.AddPlots(trLayer, ADDPLOTSFROMTREE_NEW);
	if (nNumPlotsAdded <= 0)
	{
		out_str("Failed to add dataplots");
	}
	
	return nNumPlotsAdded;
}


// ---------------------------------------------------------------------------------- //
//		It creates a graph with a vector XYXY plot.
//	Parameters:
//		strWksName=the name of the worksheet to take the data from.
//		strX1ColName=the name of the column for X1
//		strY1ColName=the name of the column for Y1
//		strX2ColName=the name of the column for X2
//		strY2ColName=the name of the column for Y2
// ---------------------------------------------------------------------------------- //				
void	make_XYXY(string strWksName, string strX1ColName, string strY1ColName, string strX2ColName, string strY2ColName)
{

	GraphPage		pg;
	// Create a new graph from the template appropriate for vector XYXY graphs:
	if ( !pg.Create("VectXYXY"))
	{
		out_str("Cannot create page");
		return;
	}
	
	// Get the first layer from the graph:
	GraphLayer		lay = pg.Layers(0);
	if ( !lay )
	{
		out_str("Cannot get graph layer");
		return;
	}
	
	// Build the arrays of the column names and designations.
	vector<string>	vsCols;
	vector<uint>	vpdesig;
	
	vpdesig.SetSize(4);
	vsCols.SetSize(4);
	
	vsCols[0] = strX1ColName;
	vpdesig[0] = COLDESIG_X;
	
	vsCols[1] = strY1ColName;
	vpdesig[1] = COLDESIG_Y;
	
	vsCols[2] = strX2ColName;
	vpdesig[2] = COLDESIG_VECTOR_XEND;
	
	vsCols[3] = strY2ColName;
	vpdesig[3] = COLDESIG_VECTOR_YEND;
	
	int				nNum = add_plots_to_layer(lay, IDM_PLOT_FLOWVECTOR, strWksName, vsCols, vpdesig);
	
	if (0 < nNum)
		lay.Rescale();		// rescale the layer to show all the data points
	
	return;
}

void	test_XYXY()
{
	// This call assumes, that there exists worksheet "Data1"
	// with four columns with names "A", "B", "D", "C".
	make_XYXY("Data1", "A", "B", "D", "C");
}

////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////

quote:

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Probably things like "LPCSTR lpcszWksName","TreeNode &tr","DWORD dwTargetLayer" are to blame.

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