Demonstrates using the ZoomPanModifier, part of the ChartModifier API, which allows panning the chart while dragging a chart with a finger. It causes the viewport to pan.

Tips!

– Calling the setXyDirection() method, panning may be limited to the X Direction, Y Direction or XY (both) directions.

– With the setZoomExtentsY() method, the behavior can be changed so the YAxis zooms to extents as you pan. This is useful for trading charts.

– With the setClipModeX() method, you can control how the series behaves as you pan to the edge of the data. The default mode is ClipMode.StretchAtExtents, which causes a zooming (stretch) action when you reach the edge of the data.

// Kotlin: PanAndZoomChartFragment.kt

//******************************************************************************
// SCICHART® Copyright SciChart Ltd. 2011-2021. All rights reserved.
//
// Web: http://www.scichart.com
// Support: support@scichart.com
// Sales:   sales@scichart.com
//
// PanAndZoomChartFragment.kt is part of SCICHART®, High Performance Scientific Charts
// For full terms and conditions of the license, see http://www.scichart.com/scichart-eula/
//
// This source code is protected by international copyright law. Unauthorized
// reproduction, reverse-engineering, or distribution of all or any portion of
// this source code is strictly prohibited.
//
// This source code contains confidential and proprietary trade secrets of
// SciChart Ltd., and should at no time be copied, transferred, sold,
// distributed or made available without express written permission.
//******************************************************************************

package com.scichart.examples.fragments.examples2d.zoomAndPanAChart.kt

import android.view.animation.DecelerateInterpolator
import com.scichart.charting.visuals.SciChartSurface
import com.scichart.data.model.DoubleRange
import com.scichart.examples.data.DataManager
import com.scichart.examples.fragments.base.ExampleSingleChartBaseFragment
import com.scichart.examples.utils.scichartExtensions.*

class PanAndZoomChartFragment : ExampleSingleChartBaseFragment() {

    override fun initExample(surface: SciChartSurface) {
        val data1 = DataManager.getInstance().getDampedSinewave(300, 1.0, 0.0, 0.01, 1000, 10)
        val data2 = DataManager.getInstance().getDampedSinewave(300, 1.0, 0.0, 0.024, 1000, 10)
        val data3 = DataManager.getInstance().getDampedSinewave(300, 1.0, 0.0, 0.049, 1000, 10)

        surface.suspendUpdates {
            xAxes {
                numericAxis {
                    growBy = DoubleRange(0.1, 0.1)
                    visibleRange = DoubleRange(3.0, 6.0)
                }
            }
            yAxes { numericAxis { growBy = DoubleRange(0.1, 0.1) } }

            renderableSeries {
                fastMountainRenderableSeries {
                    areaStyle = SolidBrushStyle(0xFF177B17)
                    strokeStyle = SolidPenStyle(0xFF177B17)
                    xyDataSeries<Double, Double> { append(data1.xValues, data1.yValues) }

                    scaleAnimation { interpolator = DecelerateInterpolator(); duration = 2000 }
                }
                fastMountainRenderableSeries {
                    areaStyle = SolidBrushStyle(0x77FF1919)
                    strokeStyle = SolidPenStyle(0xFFDD0909)
                    xyDataSeries<Double, Double> { append(data2.xValues, data2.yValues) }

                    scaleAnimation { interpolator = DecelerateInterpolator(); duration = 2000 }
                }
                fastMountainRenderableSeries {
                    areaStyle = SolidBrushStyle(0x771964FF)
                    strokeStyle = SolidPenStyle(0xFF0944CF)
                    xyDataSeries<Double, Double> { append(data3.xValues, data3.yValues) }

                    scaleAnimation { interpolator = DecelerateInterpolator(); duration = 2000 }
                }
            }

            chartModifiers {
                pinchZoomModifier { receiveHandledEvents = true }
                zoomPanModifier { receiveHandledEvents = true }
                zoomExtentsModifier()
            }
        }
    }
}

// Java: PanAndZoomChartFragment.java

//******************************************************************************
// SCICHART® Copyright SciChart Ltd. 2011-2021. All rights reserved.
//
// Web: http://www.scichart.com
// Support: support@scichart.com
// Sales:   sales@scichart.com
//
// PanAndZoomChartFragment.java is part of SCICHART®, High Performance Scientific Charts
// For full terms and conditions of the license, see http://www.scichart.com/scichart-eula/
//
// This source code is protected by international copyright law. Unauthorized
// reproduction, reverse-engineering, or distribution of all or any portion of
// this source code is strictly prohibited.
//
// This source code contains confidential and proprietary trade secrets of
// SciChart Ltd., and should at no time be copied, transferred, sold,
// distributed or made available without express written permission.
//******************************************************************************

package com.scichart.examples.fragments.examples2d.zoomAndPanAChart;

import android.view.animation.DecelerateInterpolator;

import androidx.annotation.NonNull;

import com.scichart.charting.model.dataSeries.XyDataSeries;
import com.scichart.charting.visuals.SciChartSurface;
import com.scichart.charting.visuals.axes.IAxis;
import com.scichart.charting.visuals.renderableSeries.FastMountainRenderableSeries;
import com.scichart.core.framework.UpdateSuspender;
import com.scichart.examples.data.DataManager;
import com.scichart.examples.data.DoubleSeries;
import com.scichart.examples.fragments.base.ExampleSingleChartBaseFragment;

import java.util.Collections;

public class PanAndZoomChartFragment extends ExampleSingleChartBaseFragment {

    @Override
    protected void initExample(@NonNull SciChartSurface surface) {
        final IAxis xAxis = sciChartBuilder.newNumericAxis().withGrowBy(0.1, 0.1).withVisibleRange(3, 6).build();
        final IAxis yAxis = sciChartBuilder.newNumericAxis().withGrowBy(0.1, 0.1).build();

        final XyDataSeries<Double, Double> ds1 = sciChartBuilder.newXyDataSeries(Double.class, Double.class).build();
        final XyDataSeries<Double, Double> ds2 = sciChartBuilder.newXyDataSeries(Double.class, Double.class).build();
        final XyDataSeries<Double, Double> ds3 = sciChartBuilder.newXyDataSeries(Double.class, Double.class).build();

        final FastMountainRenderableSeries rs1 = sciChartBuilder.newMountainSeries().withDataSeries(ds1).withAreaFillColor(0xFF177B17).withStrokeStyle(0xFF177B17, 1f, true).build();
        final FastMountainRenderableSeries rs2 = sciChartBuilder.newMountainSeries().withDataSeries(ds2).withAreaFillColor(0x77FF1919).withStrokeStyle(0xFFDD0909, 1f, true).build();
        final FastMountainRenderableSeries rs3 = sciChartBuilder.newMountainSeries().withDataSeries(ds3).withAreaFillColor(0x771964FF).withStrokeStyle(0xFF0944CF, 1f, true).build();

        final DoubleSeries data1 = DataManager.getInstance().getDampedSinewave(300, 1.0, 0.0, 0.01, 1000, 10);
        final DoubleSeries data2 = DataManager.getInstance().getDampedSinewave(300, 1.0, 0.0, 0.024, 1000, 10);
        final DoubleSeries data3 = DataManager.getInstance().getDampedSinewave(300, 1.0, 0.0, 0.049, 1000, 10);

        ds1.append(data1.xValues, data1.yValues);
        ds2.append(data2.xValues, data2.yValues);
        ds3.append(data3.xValues, data3.yValues);

        UpdateSuspender.using(surface, () -> {
            Collections.addAll(surface.getXAxes(), xAxis);
            Collections.addAll(surface.getYAxes(), yAxis);
            Collections.addAll(surface.getRenderableSeries(), rs1, rs2, rs3);
            Collections.addAll(surface.getChartModifiers(), sciChartBuilder.newModifierGroup()
                    .withPinchZoomModifier().withReceiveHandledEvents(true).build()
                    .withZoomPanModifier().withReceiveHandledEvents(true).build()
                    .withZoomExtentsModifier().build()
                    .build());

            sciChartBuilder.newAnimator(rs1).withWaveTransformation().withInterpolator(new DecelerateInterpolator()).withDuration(2000).withStartDelay(350).start();
            sciChartBuilder.newAnimator(rs2).withWaveTransformation().withInterpolator(new DecelerateInterpolator()).withDuration(2000).withStartDelay(350).start();
            sciChartBuilder.newAnimator(rs3).withWaveTransformation().withInterpolator(new DecelerateInterpolator()).withDuration(2000).withStartDelay(350).start();
        });
    }
}

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