<%// InterpolateLine:%>

<%
// To specify an interpolation method
// 1) Get the plot's graph model
// 2) Use the model to get the DataElementStyles
// 3) Use the DataElementStyles to get the array of MarkerStyles
// 4) Use a MarkerStyle element to specify the interpolation method
%>

<%@page import="com.sas.models.SimpleTable,
        com.sas.swing.models.TableModelAdapter,
        com.sas.servlet.tbeans.graphics.html.LinePlot,
        com.sas.graphics.components.DataElementStyles,
        com.sas.graphics.components.MarkerStyle,
        com.sas.graphics.components.lineplot.LinePlotModel,
        com.sas.graphics.components.lineplot.LinePlotTableDataModel,
        com.sas.graphics.components.PlotVariable"
%>

<%
  // Create a LinePlot instance
     LinePlot linePlot = new LinePlot();

  // Create a simple SAS table and add data to it
     SimpleTable table = new SimpleTable();
%>

         <%@ include file="TestData.jsp" %>

<%
  // Convert a simple SAS table to a simple Java Swing table
     TableModelAdapter tma = new TableModelAdapter(table);
     tma.setFormattedDataUsed(false);
  
  // 1) Get the plot's graph model
        LinePlotModel graphModel=linePlot.getGraphModel();

  // 2) Use the model to get the DataElementStyles
        DataElementStyles des = graphModel.getDataElementStyles() ;

  // 3) Use the DataElementStyles to get the array of MarkerStyles
        MarkerStyle[] markerStyles = des.getMarkerStyles();

  // 4) Use a MarkerStyle element to specify the interpolation method
        markerStyles[0].setInterpolation(MarkerStyle.INTERPOLATION_STEP_RIGHT);
        markerStyles[0].setVisible(true);

  // Create a data model and attach the data source to it
     LinePlotTableDataModel linePlotDataModel=
        new LinePlotTableDataModel(tma);

  // Assign the X and Y variable roles
     linePlotDataModel.setXVariable(
        new PlotVariable("x2"));
     linePlotDataModel.setYVariable(
        new PlotVariable("y2"));

  // Assign the data model to the LinePlot
     linePlot.setDataModel(linePlotDataModel);

  // Set a title
     linePlot.getTitle1().setText("Change the Graph Interpolation");

  // Set HTTP-specific response and request functionality
     linePlot.setResponse(response);
     linePlot.setRequest(request);

  // Write the chart to the display
     linePlot.write(out);
%>