/*------------------------------------------------------------------------------*
 * File Name: AddEditTextLabelInGraph.c											*
 * Creation: ER, 03/17/05														*
 * Purpose: Programming Example													*
 * Copyright (c) OriginLab Corp.2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010	*
 * All Rights Reserved															*
 * 																				*
 * Modification Log:															*
 *------------------------------------------------------------------------------*/
 
#include <Origin.h>

/////////////////////////////////////////////////////////////////////////////////
// This example shows how to create a Doulbe Y graph using the corresponding
// template in Origin.
//
// Note: 
// 1. It is assumed that a worksheet with three columns X, Y, Y is active
// 2. Before compile this file, need run "run.LoadOC(Originlab\graph_utils.c, 16)"
// to build it into current workspace, else will get linking error. 
//

#include <..\Originlab\graph_utils.h> // needed for page_add_layer function

void create_doubley_graph()
{
	// Declare worksheet and check validity
	Worksheet wks = Project.ActiveLayer();
	if( !wks )
	{
		out_str("Active layer is not a worksheet!");
		return;
	}
	
	// Declare two curves using cols 1-2 and cols 1-3 for the two Ys
	Curve crv1(wks, 0, 1);
	Curve crv2(wks, 0, 2);
	
	// If either curve is not a valid object, print error and return
	if(!crv1 || !crv2)
	{
		printf("Invalid curve object(s)!\n");
		return;
	}
	
	// Create new graph page using the DoubleY template
	GraphPage gpg;
	gpg.Create("DOUBLEY");
	
	// Declare graph layers 1 and 2
	GraphLayer gly1 = gpg.Layers(0);
	GraphLayer gly2 = gpg.Layers(1);
	
	// Add curve 1 to layer 1 and curve 2 to layer 2, and rescale both
	gly1.AddPlot(crv1);
	gly1.Rescale();
	gly2.AddPlot(crv2);
	gly2.Rescale();
}

/////////////////////////////////////////////////////////////////////////////////
// This example shows how to create a Double(or more) Y graph not using the template.
//
// Note: It is assumed that a worksheet with at least three columns X, Y, Y(or more Y)
// is active.
//

void create_multiy_graph()
{
	// Construct data range from active worksheet
	Worksheet wks = Project.ActiveLayer();
	
	DataRange dr;
	dr.Add(wks, 0, "X"); // 1st column as X data
	dr.Add(wks, 1, "Y", -1); // Others column as Y data
	 
	// Get the number of Y
	DWORD dwRules = DRR_GET_DEPENDENT | DRR_NO_FACTORS;
	int nNumYs = dr.GetNumData(dwRules);    
	 
	// Add more layers with right Axis and link to the 1st layer
	GraphPage gp;
	gp.Create("Origin");
	while ( gp.Layers.Count() < nNumYs )
	{
	    page_add_layer(gp, false, false, false, true, 
	        ADD_LAYER_INIT_SIZE_POS_MOVE_OFFSET, false, 0, LINK_STRAIGHT); 
	}
	 
	// Loop and add plot from each XY data range to graph layer
	foreach(GraphLayer gl in gp.Layers)
	{
	    int nLayerIndex = gl.GetIndex();
	    
	    // Get the sub XY range from dr
	    DataRange drOne;
	    dr.GetSubRange(drOne, dwRules, nLayerIndex);        
	    
	    // Plot one XY range to one graph layer
	    int nPlot = gl.AddPlot(drOne, IDM_PLOT_LINE);
	    if( nPlot >= 0 )
	    {
	        DataPlot dp = gl.DataPlots(nPlot);
	        dp.SetColor(nLayerIndex); // Set make data plot as different color
	 
	        // Set the ticks and ticklabels of right Y axis auto color
	        gl.YAxis.AxisObjects(AXISOBJPOS_AXIS_SECOND).RightTicks.Color.nVal = 
	        gl.YAxis.AxisObjects(AXISOBJPOS_LABEL_SECOND).RightLabels.Color.nVal = 
	        INDEX_COLOR_AUTOMATIC;
	                
	        gl.Rescale();
	    }       
	}
}

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