- Qt 6.7
- Qt Graphs
- Axis Handling
- Qt Graphs | Commercial or GPLv3

# Axis Handling

     // Copyright (C) 2023 The Qt Company Ltd.
     // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause

     import QtQuick
     import QtQuick.Controls
     import QtGraphs
     import AxisHandling

     Item {
         id: axisFormattingView

         required property bool portraitMode

         Data {
             id: seriesData
         }

         Theme3D {
             id: themePrimaryColors
             type: Theme3D.Theme.PrimaryColors
             font.family: "Lucida Handwriting"
             font.pointSize: 40
         }

         ValueAxis3D {
             id: dateAxis
             formatter: CustomFormatter {
                 originDate: "2023-01-01"
                 selectionFormat: "yyyy-MM-dd HH:mm:ss"
             }
             subSegmentCount: 2
             labelFormat: "yyyy-MM-dd"
             min: 0
             max: 14
         }

         ValueAxis3D {
             id: logAxis
             formatter: LogValueAxis3DFormatter {
                 id: logAxisFormatter
                 base: 10
                 autoSubGrid: true
                 showEdgeLabels: true
             }
             labelFormat: "%.2f"
         }

         ValueAxis3D {
             id: linearAxis
             labelFormat: "%.2f"
             min: 0
             max: 500
         }

         ValueAxis3D {
             id: valueAxis
             segmentCount: 5
             subSegmentCount: 2
             labelFormat: "%.2f"
             min: 0
             max: 10
         }

         Scatter3D {
             id: scatterGraph
             anchors.top: exitButton.bottom
             anchors.bottom: parent.bottom
             width: parent.width
             theme: themePrimaryColors
             shadowQuality: AbstractGraph3D.ShadowQuality.SoftMedium
             cameraPreset: AbstractGraph3D.CameraPreset.IsometricRight
             axisZ: valueAxis
             axisY: logAxis
             axisX: dateAxis

             Scatter3DSeries {
                 id: scatterSeries
                 itemLabelFormat: "@xLabel - (@yLabel, @zLabel)"
                 meshSmooth: true
                 ItemModelScatterDataProxy {
                     itemModel: seriesData.model
                     xPosRole: "xPos"
                     yPosRole: "yPos"
                     zPosRole: "zPos"
                 }
             }
         }

         Button {
             id: yAxisBaseChange
             width: axisFormattingView.portraitMode ? parent.width : parent.width / 3
             anchors.left: parent.left
             anchors.top: parent.top
             state: "enabled"
             onClicked: {
                 if (logAxisFormatter.base === 10)
                     logAxisFormatter.base = 0;
                 else if (logAxisFormatter.base === 2)
                     logAxisFormatter.base = 10;
                 else
                     logAxisFormatter.base = 2;
             }
             states: [
                 State {
                     name: "enabled"
                     PropertyChanges {
                         target: yAxisBaseChange
                         text: "Y-axis log base: " + logAxisFormatter.base
                         enabled: true
                     }
                 },
                 State {
                     name: "disabled"
                     PropertyChanges {
                         target: yAxisBaseChange
                         text: "Y-axis linear"
                         enabled: false
                     }
                 }
             ]
         }

         Button {
             id: yAxisToggle
             width: axisFormattingView.portraitMode ? parent.width : parent.width / 3
             anchors.left: axisFormattingView.portraitMode ? parent.left : yAxisBaseChange.right
             anchors.top: axisFormattingView.portraitMode ? yAxisBaseChange.bottom : parent.top
             text: "Toggle Y-axis"
             onClicked: {
                 if (scatterGraph.axisY == linearAxis) {
                     scatterGraph.axisY = logAxis;
                     yAxisBaseChange.state = "enabled";
                 } else {
                     scatterGraph.axisY = linearAxis;
                     yAxisBaseChange.state = "disabled";
                 }
             }
         }

         Button {
             id: exitButton
             width: axisFormattingView.portraitMode ? parent.width : parent.width / 3
             anchors.left: axisFormattingView.portraitMode ? parent.left : yAxisToggle.right
             anchors.top: axisFormattingView.portraitMode ? yAxisToggle.bottom : parent.top
             text: "Quit"
             onClicked: Qt.quit();
         }
     }