This example demonstrates how to create a Cylindroid 3D Android graph with SciChart Android Charting Library. Cylindroid 3D Charts are rendered by the CylindroidDataSeries3D and FreeSurfaceRenderableSeries3D. You can define the Cylindroid location and size, as well as set different palette modes (Radial, Axial, Polar and Azimuthal) with SciChart 3D Android Charts API.

You may find out more in the SciChart Android Documentation for The Cylindroid 3D Chart Type.

See also, other examples of different kind of shapes possible with the FreeSurfaceRenderableSeries3D, including Sphere, Cylinder, Disc and free-form mesh shapes:

• – Android Ellipsoid 3D chart example
• – Android Polar 3D chart example
• – Android Closed Mesh 3D chart example
• – as well as Android Realtime Ellipsoid Mesh 3D Chart Example

// example_create_free_surface_3d_fragment.xml

<?xml version="1.0" encoding="utf-8"?>
<!--*************************************************************************-->
<!-- SCICHART® Copyright SciChart Ltd. 2011-2018. All rights reserved. -->
<!--   -->
<!-- Web: http://www.scichart.com -->
<!-- Support: support@scichart.com -->
<!-- Sales:   sales@scichart.com -->
<!--  -->
<!-- example_create_free_surface_3d_fragmentent.xml is part of the SCICHART® Examples. Permission is hereby granted -->
<!-- to modify, create derivative works, distribute and publish any part of this source -->
<!-- code whether for commercial, private or personal use. -->
<!--  -->
<!-- The SCICHART® examples are distributed in the hope that they will be useful, but -->
<!-- without any warranty. It is provided "AS IS" without warranty of any kind, either -->
<!-- expressed or implied. -->
<!--*************************************************************************-->

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical">

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="horizontal">

        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_gravity="center"
            android:layout_margin="5dp"
            android:gravity="center"
            android:text="@string/palette_mode" />

        <Spinner
            android:id="@+id/paletteModeSelector"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_gravity="center_vertical"
            android:layout_margin="5dp"
            android:background="@android:color/transparent" />


    </LinearLayout>

    <com.scichart.charting3d.visuals.SciChartSurface3D
        android:id="@+id/chart3d"
        android:layout_width="fill_parent"
        android:layout_height="fill_parent" />
</LinearLayout>

// CreateCylindroidMesh3DChartFragment.java

//******************************************************************************
// SCICHART® Copyright SciChart Ltd. 2011-2019. All rights reserved.
//
// Web: http://www.scichart.com
// Support: support@scichart.com
// Sales:   sales@scichart.com
//
// CreateCylindroidMesh3DChartFragment.java is part of the SCICHART® Examples. Permission is hereby granted
// to modify, create derivative works, distribute and publish any part of this source
// code whether for commercial, private or personal use.
//
// The SCICHART® examples are distributed in the hope that they will be useful, but
// without any warranty. It is provided "AS IS" without warranty of any kind, either
// expressed or implied.
//******************************************************************************

package com.scichart.examples.fragments.charts3d;

import android.view.View;
import android.widget.AdapterView;
import android.widget.Spinner;
import android.widget.TextView;

import com.scichart.charting.visuals.axes.AutoRange;
import com.scichart.charting3d.common.math.Vector3;
import com.scichart.charting3d.model.dataSeries.freeSurface.CylindroidDataSeries3D;
import com.scichart.charting3d.visuals.SciChartSurface3D;
import com.scichart.charting3d.visuals.axes.NumericAxis3D;
import com.scichart.charting3d.visuals.camera.Camera3D;
import com.scichart.charting3d.visuals.renderableSeries.data.DrawMeshAs;
import com.scichart.charting3d.visuals.renderableSeries.data.GradientColorPalette;
import com.scichart.charting3d.visuals.renderableSeries.freeSurface.FreeSurfacePaletteMinMaxMode;
import com.scichart.charting3d.visuals.renderableSeries.freeSurface.FreeSurfaceRenderableSeries3D;
import com.scichart.core.framework.UpdateSuspender;
import com.scichart.examples.R;
import com.scichart.examples.components.SpinnerStringAdapter;
import com.scichart.examples.fragments.base.ExampleBaseFragment;
import com.scichart.examples.utils.ItemSelectedListenerBase;

import java.util.Random;

import butterknife.BindView;

import static com.scichart.drawing.utility.ColorUtil.Blue;
import static com.scichart.drawing.utility.ColorUtil.Cyan;
import static com.scichart.drawing.utility.ColorUtil.DarkRed;
import static com.scichart.drawing.utility.ColorUtil.GreenYellow;
import static com.scichart.drawing.utility.ColorUtil.Red;
import static com.scichart.drawing.utility.ColorUtil.Yellow;

public class CreateCylindroidMesh3DChartFragment extends ExampleBaseFragment {
    @BindView(R.id.chart3d)
    SciChartSurface3D surface3d;

    @BindView(R.id.paletteModeSelector)
    Spinner paletteModeSelector;

    @Override
    protected int getLayoutId() {
        return R.layout.example_create_free_surface_3d_fragment;
    }

    @Override
    protected void initExample() {
        final Camera3D camera = sciChart3DBuilder.newCamera3D().build();

        surface3d.getWorldDimensions().assign(200, 200, 200);

        final NumericAxis3D xAxis = sciChart3DBuilder.newNumericAxis3D().withVisibleRange(-7, 7).withAutoRangeMode(AutoRange.Never).build();
        final NumericAxis3D yAxis = sciChart3DBuilder.newNumericAxis3D().withVisibleRange(-7, 7).withAutoRangeMode(AutoRange.Never).build();
        final NumericAxis3D zAxis = sciChart3DBuilder.newNumericAxis3D().withVisibleRange(-7, 7).withAutoRangeMode(AutoRange.Never).build();

        final int sizeU = 40, sizeV = 20;

        final CylindroidDataSeries3D<Double, Double> meshDataSeries = new CylindroidDataSeries3D<>(Double.class, Double.class, sizeU, sizeV);
        meshDataSeries.setA(3d);
        meshDataSeries.setB(3d);
        meshDataSeries.setH(7d);

        final Random random = new Random();
        for (int u = 0; u < sizeU; u++) {
            for (int v = 0; v < sizeV; v++) {
                final double weight = 1d - Math.abs(2d * v / sizeV - 1d);
                final double offset = random.nextDouble();

                meshDataSeries.setDisplacement(u, v, offset * weight);
            }
        }

        final int[] colors = {0xFF1D2C6B, Blue, Cyan, GreenYellow, Yellow, Red, DarkRed};
        final float[] stops = {0, .1f, .3f, .5f, .7f, .9f, 1};

        final FreeSurfaceRenderableSeries3D rs = sciChart3DBuilder.newFreeSurfaceSeries3D()
                .withDataSeries(meshDataSeries)
                .withDrawMeshAs(DrawMeshAs.SolidWireframe)
                .withStroke(0x77228B22)
                .withContourInterval(0.1f)
                .withContourStroke(0x77228B22)
                .withStrokeThicknes(1f)
                .withLightingFactor(0.8f)
                .withDrawBackSide(true)
                .withMeshColorPalette(new GradientColorPalette(colors, stops))
                .build();

        UpdateSuspender.using(surface3d, new Runnable() {
            @Override
            public void run() {
                surface3d.setCamera(camera);

                surface3d.setXAxis(xAxis);
                surface3d.setYAxis(yAxis);
                surface3d.setZAxis(zAxis);

                surface3d.getRenderableSeries().add(rs);

                surface3d.getChartModifiers().add(sciChart3DBuilder.newModifierGroupWithDefaultModifiers().build());
            }
        });

        paletteModeSelector.setAdapter(new SpinnerStringAdapter(getActivity(), R.array.palette_mode_list));
        paletteModeSelector.setSelection(0);
        paletteModeSelector.setOnItemSelectedListener(new ItemSelectedListenerBase() {
            @Override
            public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
                switchPaletteMode(rs, position);
            }
        });

    }

    private void switchPaletteMode(FreeSurfaceRenderableSeries3D rs, int paletteMode) {
        switch (paletteMode) {
            // Radial
            case 0:
                rs.setPaletteMinMaxMode(FreeSurfacePaletteMinMaxMode.Relative);
                rs.setPaletteMinimum(new Vector3(3f, 0f, 0f));
                rs.setPaletteMaximum(new Vector3(4f, 0f, 0f));
                rs.setPaletteRadialFactor(1f);
                rs.setPaletteAxialFactor(new Vector3(0, 0, 0));
                rs.setPaletteAzimuthalFactor(0f);
                rs.setPalettePolarFactor(0f);
                break;
            // Axial
            case 1:
                rs.setPaletteMinMaxMode(FreeSurfacePaletteMinMaxMode.Absolute);
                rs.setPaletteMinimum(new Vector3(0f, -4f, 0f));
                rs.setPaletteMaximum(new Vector3(0f, 4f, 0f));
                rs.setPaletteRadialFactor(0f);
                rs.setPaletteAxialFactor(new Vector3(0f, 1f, 0f));
                rs.setPaletteAzimuthalFactor(0f);
                rs.setPalettePolarFactor(0f);
                break;
            // Azimuthal
            case 2:
                rs.setPaletteRadialFactor(0f);
                rs.setPaletteAxialFactor(new Vector3(0f, 0f, 0f));
                rs.setPaletteAzimuthalFactor(1f);
                rs.setPalettePolarFactor(0f);
                break;
            // Polar
            case 3:
                rs.setPaletteRadialFactor(0f);
                rs.setPaletteAxialFactor(new Vector3(0f, 0f, 0f));
                rs.setPaletteAzimuthalFactor(0f);
                rs.setPalettePolarFactor(1f);
                break;
            default:
                throw new UnsupportedOperationException();
        }
    }
}

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