view yetilab/plot/plot.yeti @ 119:ae802edb0561

Add bar chart plotting

module yetilab.plot.plot;

import org.jzy3d.plot3d.builder: Mapper;
import org.jzy3d.maths: Range, Coord3d;
import org.jzy3d.plot3d.primitives: Shape, HistogramBar;
import org.jzy3d.plot3d.primitives.axes.layout.providers: StaticTickProvider;
import org.jzy3d.plot3d.primitives.axes.layout.renderers: TickLabelMap;
import org.jzy3d.chart: Chart, ChartLauncher;
import org.jzy3d.plot3d.builder: Builder;
import org.jzy3d.plot3d.builder.concrete: OrthonormalGrid;
import org.jzy3d.colors.colormaps: ColorMapRainbow;
import org.jzy3d.colors: ColorMapper, Color;
import org.jzy3d.plot3d.rendering.canvas: Quality;
import org.jzy3d.plot3d.rendering.view.modes: ViewPositionMode;

newMatrixMapper matrix =
   (class MMapper extends Mapper
        double f(double x, double y)
            result = matrix.getAt y x;
            println "f(\(x),\(y)) -> \(result)";
            result
    end;
    new MMapper());

newMatrixLogMapper matrix =
   (class MMapper extends Mapper
        double f(double x, double y)
            ln (matrix.getAt y x)
    end;
    new MMapper());

newMapper mapFunction =
   (class FMapper extends Mapper
        double f(double x, double y)
            mapFunction x y
    end;
    new FMapper());

plotMatrix matrix =
   (mapper = newMatrixMapper matrix;
    size = matrix.size;
    xrange = new Range(0, size.columns - 1);
    yrange = new Range(0, size.rows - 1);
    grid = new OrthonormalGrid(xrange, size.columns, yrange, size.rows);
    println "Matrix size: \(size)";
    surface = Builder#buildOrthonormal(grid, mapper); //??? big?
    println "Z Bounds: \(surface#getBounds()#getZmin()) -> \(surface#getBounds()#getZmax())";
    surface#setFaceDisplayed(false);
    surface#setWireframeDisplayed(true);
    surface#setWireframeColor(Color#BLACK);
//    chart = new Chart(Quality#Fastest, "swing");
    chart = new Chart(Quality#Nicest);
    chart#getScene()#getGraph()#add(surface);
    ChartLauncher#openChart(chart);
    ());

plotBarChart keys unit values =
   (chart = new Chart(Quality#Nicest);
    var n = 0;
    scene = chart#getScene();
    ticks = new float[length keys];
    tickLabels = new TickLabelMap();
    for keys do k:
        bar = new HistogramBar();
        bar#setData(new Coord3d(n, 0, 0), values[k], 0.45, Color#random());
        bar#setWireframeDisplayed(false);
        scene#add(bar);
        ticks[n] := n;
        tickLabels#register(n, k);
        n := n + 1;
    done;
    chart#getView()#setViewPoint(new Coord3d(pi/2, 0, 0));
    axes = chart#getAxeLayout();
    axes#setXAxeLabelDisplayed(false);
    axes#setYAxeLabelDisplayed(false);
    axes#setZAxeLabelDisplayed(true);
    axes#setZAxeLabel(unit);
    axes#setXTickProvider(new StaticTickProvider(ticks));
    axes#setXTickRenderer(tickLabels);
    axes#setYTickLabelDisplayed(false);
    ChartLauncher#openChart(chart);
    ());

plotStructure structure =
    case structure of
    Grid matrix:
        plotMatrix matrix;
    //!!!
    _: failWith "Cannot plot this structure (only grids implemented so far)";
    esac;

{
    newMatrixMapper,
    newMatrixLogMapper,
    newMapper,
    plotMatrix, 
    plotStructure,
    plotBarChart
}