468 lines
20 KiB
Python
468 lines
20 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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"""
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Created on 2019/10/4
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@author: Irony
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@site: https://pyqt.site , https://github.com/PyQt5
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@email: 892768447@qq.com
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@file: BarsVisualization
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@description: 柱状图
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"""
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#############################################################################
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##
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## Copyright (C) 2014 Riverbank Computing Limited.
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## Copyright (C) 2014 Digia Plc
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## All rights reserved.
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## For any questions to Digia, please use contact form at http://qt.digia.com
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##
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## This file is part of the QtDataVisualization module.
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##
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## Licensees holding valid Qt Enterprise licenses may use this file in
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## accordance with the Qt Enterprise License Agreement provided with the
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## Software or, alternatively, in accordance with the terms contained in
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## a written agreement between you and Digia.
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##
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## If you have questions regarding the use of this file, please use
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## contact form at http://qt.digia.com
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##
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#############################################################################
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from PyQt5.QtCore import pyqtSignal, QObject, QSize, Qt, QLocale
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from PyQt5.QtDataVisualization import (Q3DBars, Q3DCamera, Q3DTheme,
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QAbstract3DGraph, QAbstract3DSeries, QBar3DSeries, QBarDataItem,
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QCategory3DAxis, QValue3DAxis)
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from PyQt5.QtGui import QFont
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from PyQt5.QtWidgets import (QApplication, QCheckBox, QComboBox, QFontComboBox,
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QHBoxLayout, QLabel, QPushButton, QSizePolicy, QSlider, QVBoxLayout,
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QWidget)
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country = QLocale.system().country()
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if country in (QLocale.China, QLocale.HongKong, QLocale.Taiwan):
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Tr = {
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'Average temperature': '平均温度',
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'Average temperatures in Oulu and Helsinki, Finland (2006-2013)': '芬兰奥卢和赫尔辛基的平均气温（2006-2013）',
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'Change label style': '更改label样式',
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'Smooth bars': '平滑bars',
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'Change camera preset': '更改相机预设',
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'Show background': '显示背景',
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'Show grid': '显示网格',
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'Show second series': '显示第二个数据列',
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'Low': '低质量',
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'Medium': '中等质量',
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'High': '高质量',
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'Low Soft': '柔化低质量',
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'Medium Soft': '柔化中等质量',
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'High Soft': '柔化高质量',
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'Rotate horizontally': '水平旋转',
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'Rotate vertically': '垂直旋转',
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'Show year': '显示年份',
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'Change bar style': '更改条形图样式',
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'Change selection mode': '更改选择模式',
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'Change theme': '更改主题',
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'Adjust shadow quality': '调整阴影质量',
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'Change font': '更改字体',
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'Adjust font size': '调整字体大小'
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}
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else:
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Tr = {}
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class GraphModifier(QObject):
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# 奥卢 温度
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tempOulu = (
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(-6.7, -11.7, -9.7, 3.3, 9.2, 14.0, 16.3, 17.8, 10.2, 2.1, -2.6, -0.3),
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(-6.8, -13.3, 0.2, 1.5, 7.9, 13.4, 16.1, 15.5, 8.2, 5.4, -2.6, -0.8),
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(-4.2, -4.0, -4.6, 1.9, 7.3, 12.5, 15.0, 12.8, 7.6, 5.1, -0.9, -1.3),
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(-7.8, -8.8, -4.2, 0.7, 9.3, 13.2, 15.8, 15.5, 11.2, 0.6, 0.7, -8.4),
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(-14.4, -12.1, -7.0, 2.3, 11.0, 12.6, 18.8, 13.8, 9.4, 3.9, -5.6, -13.0),
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(-9.0, -15.2, -3.8, 2.6, 8.3, 15.9, 18.6, 14.9, 11.1, 5.3, 1.8, -0.2),
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(-8.7, -11.3, -2.3, 0.4, 7.5, 12.2, 16.4, 14.1, 9.2, 3.1, 0.3, -12.1),
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(-7.9, -5.3, -9.1, 0.8, 11.6, 16.6, 15.9, 15.5, 11.2, 4.0, 0.1, -1.9)
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)
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# 赫尔辛基 温度
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tempHelsinki = (
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(-3.7, -7.8, -5.4, 3.4, 10.7, 15.4, 18.6, 18.7, 14.3, 8.5, 2.9, 4.1),
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(-1.2, -7.5, 3.1, 5.5, 10.3, 15.9, 17.4, 17.9, 11.2, 7.3, 1.1, 0.5),
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(-0.6, 1.2, 0.2, 6.3, 10.2, 13.8, 18.1, 15.1, 10.1, 9.4, 2.5, 0.4),
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(-2.9, -3.5, -0.9, 4.7, 10.9, 14.0, 17.4, 16.8, 13.2, 4.1, 2.6, -2.3),
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(-10.2, -8.0, -1.9, 6.6, 11.3, 14.5, 21.0, 18.8, 12.6, 6.1, -0.5, -7.3),
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(-4.4, -9.1, -2.0, 5.5, 9.9, 15.6, 20.8, 17.8, 13.4, 8.9, 3.6, 1.5),
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(-3.5, -3.2, -0.7, 4.0, 11.1, 13.4, 17.3, 15.8, 13.1, 6.4, 4.1, -5.1),
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(-4.8, -1.8, -5.0, 2.9, 12.8, 17.2, 18.0, 17.1, 12.5, 7.5, 4.5, 2.3)
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)
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months = (
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"January", "February", "March", "April", "May", "June",
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"July", "August", "September", "October", "November", "December"
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)
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years = ("2006", "2007", "2008", "2009", "2010", "2011", "2012", "2013")
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shadowQualityChanged = pyqtSignal(int) # 阴影质量改变信号
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backgroundEnabledChanged = pyqtSignal(bool) # 背景开启信号
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gridEnabledChanged = pyqtSignal(bool) # 网格开启信号
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fontChanged = pyqtSignal(QFont) # 字体改变信号
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fontSizeChanged = pyqtSignal(int) # 字体大小改变信号
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def __init__(self, bargraph):
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super(GraphModifier, self).__init__()
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self.m_graph = bargraph # Q3DBars 实例
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self.m_xRotation = 0.0 # 水平旋转角度
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self.m_yRotation = 0.0 # 垂直旋转角度
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self.m_fontSize = 30
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self.m_segments = 4
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self.m_subSegments = 3
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self.m_minval = -20.0
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self.m_maxval = 20.0
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self.m_temperatureAxis = QValue3DAxis() # 温度轴
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self.m_yearAxis = QCategory3DAxis() # 年份轴
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self.m_monthAxis = QCategory3DAxis() # 月份轴
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self.m_primarySeries = QBar3DSeries() # 主序列
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self.m_secondarySeries = QBar3DSeries() # 次序列
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self.m_barMesh = QAbstract3DSeries.MeshBevelBar # 预定义的网格类型
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self.m_smooth = False # 是否平滑
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# 阴影以柔化的边缘高质量渲染
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self.m_graph.setShadowQuality(QAbstract3DGraph.ShadowQualitySoftMedium)
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# 当前主题Q3DTheme设置背景是否可见
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self.m_graph.activeTheme().setBackgroundEnabled(False)
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# 当前主题Q3DTheme设置字体
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self.m_graph.activeTheme().setFont(
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QFont('Times New Roman', self.m_fontSize))
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# 当前主题Q3DTheme设置标签是使用彩色背景还是使用完全透明的背景绘制
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self.m_graph.activeTheme().setLabelBackgroundEnabled(True)
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# 是否按比例将比例尺设置为单个系列比例尺来缩放比例
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self.m_graph.setMultiSeriesUniform(True)
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self.m_temperatureAxis.setTitle(Tr.get("Average temperature", "Average temperature"))
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# 轴上的段数。这表明绘制了多少标签。要绘制的网格线的数量使用公式计算：segments * subsegments + 1。预设默认值为5。该值不能低于1
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self.m_temperatureAxis.setSegmentCount(self.m_segments)
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# 轴上每个段内的子段数。
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# 除每个线段外，还在每个子线段之间绘制网格线。预设默认值为1。该值不能低于1。
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self.m_temperatureAxis.setSubSegmentCount(self.m_subSegments)
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self.m_temperatureAxis.setRange(self.m_minval, self.m_maxval)
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self.m_temperatureAxis.setLabelFormat(u"%.1f \N{degree sign}C")
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self.m_yearAxis.setTitle("Year")
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self.m_monthAxis.setTitle("Month")
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self.m_graph.setValueAxis(self.m_temperatureAxis)
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# 设置活动行的轴为年份
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self.m_graph.setRowAxis(self.m_yearAxis)
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# 设置活动列的轴为月份
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self.m_graph.setColumnAxis(self.m_monthAxis)
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self.m_primarySeries.setItemLabelFormat(
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"Oulu - @colLabel @rowLabel: @valueLabel")
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# 设置网格类型
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self.m_primarySeries.setMesh(QAbstract3DSeries.MeshBevelBar)
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self.m_primarySeries.setMeshSmooth(False)
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self.m_secondarySeries.setItemLabelFormat(
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"Helsinki - @colLabel @rowLabel: @valueLabel")
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self.m_secondarySeries.setMesh(QAbstract3DSeries.MeshBevelBar)
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self.m_secondarySeries.setMeshSmooth(False)
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self.m_secondarySeries.setVisible(False)
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self.m_graph.addSeries(self.m_primarySeries)
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self.m_graph.addSeries(self.m_secondarySeries)
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self.m_preset = Q3DCamera.CameraPresetFront
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self.changePresetCamera()
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self.resetTemperatureData()
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def resetTemperatureData(self):
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# 重置温度数据
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dataSet = []
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for row in self.tempOulu:
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dataSet.append([QBarDataItem(v) for v in row])
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self.m_primarySeries.dataProxy().resetArray(dataSet, self.years,
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self.months)
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dataSet = []
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for row in self.tempHelsinki:
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dataSet.append([QBarDataItem(v) for v in row])
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self.m_secondarySeries.dataProxy().resetArray(dataSet, self.years,
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self.months)
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def changeRange(self, range):
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if range >= len(self.years):
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self.m_yearAxis.setRange(0, len(self.years) - 1)
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else:
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self.m_yearAxis.setRange(range, range)
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def changeStyle(self, style):
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comboBox = self.sender()
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if isinstance(comboBox, QComboBox):
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self.m_barMesh = QAbstract3DSeries.Mesh(comboBox.itemData(style))
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self.m_primarySeries.setMesh(self.m_barMesh)
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self.m_secondarySeries.setMesh(self.m_barMesh)
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def changePresetCamera(self):
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# 修改摄像机的预定义位置
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self.m_graph.scene().activeCamera().setCameraPreset(self.m_preset)
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preset = int(self.m_preset) + 1
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if preset > Q3DCamera.CameraPresetDirectlyBelow:
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self.m_preset = Q3DCamera.CameraPresetFrontLow
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else:
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self.m_preset = Q3DCamera.CameraPreset(preset)
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def changeTheme(self, theme):
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# 切换主题
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currentTheme = self.m_graph.activeTheme()
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currentTheme.setType(Q3DTheme.Theme(theme))
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self.backgroundEnabledChanged.emit(currentTheme.isBackgroundEnabled())
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self.gridEnabledChanged.emit(currentTheme.isGridEnabled())
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self.fontChanged.emit(currentTheme.font())
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self.fontSizeChanged.emit(currentTheme.font().pointSize())
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def changeLabelBackground(self):
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self.m_graph.activeTheme().setLabelBackgroundEnabled(
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not self.m_graph.activeTheme().isLabelBackgroundEnabled())
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def changeSelectionMode(self, selectionMode):
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comboBox = self.sender()
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if isinstance(comboBox, QComboBox):
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flags = comboBox.itemData(selectionMode)
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self.m_graph.setSelectionMode(
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QAbstract3DGraph.SelectionFlags(flags))
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def changeFont(self, font):
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self.m_graph.activeTheme().setFont(font)
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def changeFontSize(self, fontsize):
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self.m_fontSize = fontsize
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font = self.m_graph.activeTheme().font()
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font.setPointSize(self.m_fontSize)
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self.m_graph.activeTheme().setFont(font)
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def shadowQualityUpdatedByVisual(self, sq):
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self.shadowQualityChanged.emit(int(sq))
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def changeShadowQuality(self, quality):
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sq = QAbstract3DGraph.ShadowQuality(quality)
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self.m_graph.setShadowQuality(sq)
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self.shadowQualityChanged.emit(quality)
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def rotateX(self, rotation):
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self.m_xRotation = rotation
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self.m_graph.scene().activeCamera().setCameraPosition(
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self.m_xRotation, self.m_yRotation)
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def rotateY(self, rotation):
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self.m_yRotation = rotation
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self.m_graph.scene().activeCamera().setCameraPosition(
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self.m_xRotation, self.m_yRotation)
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def setBackgroundEnabled(self, enabled):
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self.m_graph.activeTheme().setBackgroundEnabled(enabled)
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def setGridEnabled(self, enabled):
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self.m_graph.activeTheme().setGridEnabled(enabled)
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def setSmoothBars(self, smooth):
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self.m_smooth = bool(smooth)
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self.m_primarySeries.setMeshSmooth(self.m_smooth)
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self.m_secondarySeries.setMeshSmooth(self.m_smooth)
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def setSeriesVisibility(self, enabled):
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self.m_secondarySeries.setVisible(enabled)
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if __name__ == '__main__':
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import sys
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app = QApplication(sys.argv)
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widgetgraph = Q3DBars()
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container = QWidget.createWindowContainer(widgetgraph)
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screenSize = widgetgraph.screen().size()
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container.setMinimumSize(
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QSize(screenSize.width() / 2, screenSize.height() / 1.5))
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container.setMaximumSize(screenSize)
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container.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
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container.setFocusPolicy(Qt.StrongFocus)
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widget = QWidget()
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hLayout = QHBoxLayout(widget)
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vLayout = QVBoxLayout()
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hLayout.addWidget(container, 1)
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hLayout.addLayout(vLayout)
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widget.setWindowTitle(Tr.get(
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"Average temperatures in Oulu and Helsinki, Finland (2006-2013)",
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"Average temperatures in Oulu and Helsinki, Finland (2006-2013)"))
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themeList = QComboBox()
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themeList.addItem("Qt")
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themeList.addItem("Primary Colors")
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themeList.addItem("Digia")
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themeList.addItem("Stone Moss")
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themeList.addItem("Army Blue")
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themeList.addItem("Retro")
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themeList.addItem("Ebony")
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themeList.addItem("Isabelle")
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themeList.setCurrentIndex(0)
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labelButton = QPushButton(Tr.get("Change label style", "Change label style"))
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smoothCheckBox = QCheckBox(Tr.get("Smooth bars", "Smooth bars"))
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barStyleList = QComboBox()
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barStyleList.addItem("Bar", QAbstract3DSeries.MeshBar)
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barStyleList.addItem("Pyramid", QAbstract3DSeries.MeshPyramid)
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barStyleList.addItem("Cone", QAbstract3DSeries.MeshCone)
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barStyleList.addItem("Cylinder", QAbstract3DSeries.MeshCylinder)
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barStyleList.addItem("Bevel bar", QAbstract3DSeries.MeshBevelBar)
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barStyleList.addItem("Sphere", QAbstract3DSeries.MeshSphere)
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barStyleList.setCurrentIndex(4)
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cameraButton = QPushButton(Tr.get("Change camera preset", "Change camera preset"))
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selectionModeList = QComboBox()
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selectionModeList.addItem("None", QAbstract3DGraph.SelectionNone)
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selectionModeList.addItem("Bar", QAbstract3DGraph.SelectionItem)
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selectionModeList.addItem("Row", QAbstract3DGraph.SelectionRow)
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selectionModeList.addItem("Bar and Row",
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QAbstract3DGraph.SelectionItemAndRow)
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selectionModeList.addItem("Column", QAbstract3DGraph.SelectionColumn)
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selectionModeList.addItem("Bar and Column",
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QAbstract3DGraph.SelectionItemAndColumn)
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selectionModeList.addItem("Row and Column",
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QAbstract3DGraph.SelectionRowAndColumn)
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selectionModeList.addItem("Bar, Row and Column",
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QAbstract3DGraph.SelectionItemRowAndColumn)
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selectionModeList.addItem("Slice into Row",
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QAbstract3DGraph.SelectionSlice | QAbstract3DGraph.SelectionRow)
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selectionModeList.addItem("Slice into Row and Item",
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QAbstract3DGraph.SelectionSlice | QAbstract3DGraph.SelectionItemAndRow)
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selectionModeList.addItem("Slice into Column",
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QAbstract3DGraph.SelectionSlice | QAbstract3DGraph.SelectionColumn)
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selectionModeList.addItem("Slice into Column and Item",
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QAbstract3DGraph.SelectionSlice | QAbstract3DGraph.SelectionItemAndColumn)
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selectionModeList.addItem("Multi: Bar, Row, Col",
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QAbstract3DGraph.SelectionItemRowAndColumn | QAbstract3DGraph.SelectionMultiSeries)
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selectionModeList.addItem("Multi, Slice: Row, Item",
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QAbstract3DGraph.SelectionSlice | QAbstract3DGraph.SelectionItemAndRow | QAbstract3DGraph.SelectionMultiSeries)
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selectionModeList.addItem("Multi, Slice: Col, Item",
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QAbstract3DGraph.SelectionSlice | QAbstract3DGraph.SelectionItemAndColumn | QAbstract3DGraph.SelectionMultiSeries)
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selectionModeList.setCurrentIndex(1)
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backgroundCheckBox = QCheckBox(Tr.get("Show background", "Show background"))
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gridCheckBox = QCheckBox(Tr.get("Show grid", "Show grid"))
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gridCheckBox.setChecked(True)
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seriesCheckBox = QCheckBox(Tr.get("Show second series", "Show second series"))
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rotationSliderX = QSlider(Qt.Horizontal)
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rotationSliderX.setTickInterval(30)
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rotationSliderX.setTickPosition(QSlider.TicksBelow)
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rotationSliderX.setMinimum(-180)
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rotationSliderX.setValue(0)
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rotationSliderX.setMaximum(180)
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rotationSliderY = QSlider(Qt.Horizontal)
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rotationSliderY.setTickInterval(15)
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rotationSliderY.setTickPosition(QSlider.TicksAbove)
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rotationSliderY.setMinimum(-90)
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rotationSliderY.setValue(0)
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rotationSliderY.setMaximum(90)
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fontSizeSlider = QSlider(Qt.Horizontal)
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fontSizeSlider.setTickInterval(10)
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fontSizeSlider.setTickPosition(QSlider.TicksBelow)
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fontSizeSlider.setMinimum(1)
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fontSizeSlider.setValue(30)
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fontSizeSlider.setMaximum(100)
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fontList = QFontComboBox()
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fontList.setCurrentFont(QFont('Times New Roman'))
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shadowQuality = QComboBox()
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shadowQuality.addItem("None")
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shadowQuality.addItem(Tr.get("Low", "Low"))
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shadowQuality.addItem(Tr.get("Medium", "Medium"))
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shadowQuality.addItem(Tr.get("High", "High"))
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shadowQuality.addItem(Tr.get("Low Soft", "Low Soft"))
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shadowQuality.addItem(Tr.get("Medium Soft", "Medium Soft"))
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shadowQuality.addItem(Tr.get("High Soft", "High Soft"))
|
||
shadowQuality.setCurrentIndex(5)
|
||
|
||
rangeList = QComboBox()
|
||
rangeList.addItems(GraphModifier.years)
|
||
rangeList.addItem("All")
|
||
rangeList.setCurrentIndex(len(GraphModifier.years))
|
||
|
||
vLayout.addWidget(QLabel(Tr.get("Rotate horizontally", "Rotate horizontally")))
|
||
vLayout.addWidget(rotationSliderX, 0, Qt.AlignTop)
|
||
vLayout.addWidget(QLabel(Tr.get("Rotate vertically", "Rotate vertically")))
|
||
vLayout.addWidget(rotationSliderY, 0, Qt.AlignTop)
|
||
vLayout.addWidget(labelButton, 0, Qt.AlignTop)
|
||
vLayout.addWidget(cameraButton, 0, Qt.AlignTop)
|
||
vLayout.addWidget(backgroundCheckBox)
|
||
vLayout.addWidget(gridCheckBox)
|
||
vLayout.addWidget(smoothCheckBox)
|
||
vLayout.addWidget(seriesCheckBox)
|
||
vLayout.addWidget(QLabel(Tr.get("Show year", "Show year")))
|
||
vLayout.addWidget(rangeList)
|
||
vLayout.addWidget(QLabel(Tr.get("Change bar style", "Change bar style")))
|
||
vLayout.addWidget(barStyleList)
|
||
vLayout.addWidget(QLabel(Tr.get("Change selection mode", "Change selection mode")))
|
||
vLayout.addWidget(selectionModeList)
|
||
vLayout.addWidget(QLabel(Tr.get("Change theme", "Change theme")))
|
||
vLayout.addWidget(themeList)
|
||
vLayout.addWidget(QLabel(Tr.get("Adjust shadow quality", "Adjust shadow quality")))
|
||
vLayout.addWidget(shadowQuality)
|
||
vLayout.addWidget(QLabel(Tr.get("Change font", "Change font")))
|
||
vLayout.addWidget(fontList)
|
||
vLayout.addWidget(QLabel(Tr.get("Adjust font size", "Adjust font size")))
|
||
vLayout.addWidget(fontSizeSlider, 1, Qt.AlignTop)
|
||
|
||
modifier = GraphModifier(widgetgraph)
|
||
|
||
rotationSliderX.valueChanged.connect(modifier.rotateX)
|
||
rotationSliderY.valueChanged.connect(modifier.rotateY)
|
||
|
||
labelButton.clicked.connect(modifier.changeLabelBackground)
|
||
cameraButton.clicked.connect(modifier.changePresetCamera)
|
||
|
||
backgroundCheckBox.stateChanged.connect(modifier.setBackgroundEnabled)
|
||
gridCheckBox.stateChanged.connect(modifier.setGridEnabled)
|
||
smoothCheckBox.stateChanged.connect(modifier.setSmoothBars)
|
||
seriesCheckBox.stateChanged.connect(modifier.setSeriesVisibility)
|
||
|
||
modifier.backgroundEnabledChanged.connect(backgroundCheckBox.setChecked)
|
||
modifier.gridEnabledChanged.connect(gridCheckBox.setChecked)
|
||
|
||
rangeList.currentIndexChanged.connect(modifier.changeRange)
|
||
|
||
barStyleList.currentIndexChanged.connect(modifier.changeStyle)
|
||
|
||
selectionModeList.currentIndexChanged.connect(modifier.changeSelectionMode)
|
||
|
||
themeList.currentIndexChanged.connect(modifier.changeTheme)
|
||
|
||
shadowQuality.currentIndexChanged.connect(modifier.changeShadowQuality)
|
||
|
||
modifier.shadowQualityChanged.connect(shadowQuality.setCurrentIndex)
|
||
widgetgraph.shadowQualityChanged.connect(
|
||
modifier.shadowQualityUpdatedByVisual)
|
||
|
||
fontSizeSlider.valueChanged.connect(modifier.changeFontSize)
|
||
fontList.currentFontChanged.connect(modifier.changeFont)
|
||
|
||
modifier.fontSizeChanged.connect(fontSizeSlider.setValue)
|
||
modifier.fontChanged.connect(fontList.setCurrentFont)
|
||
|
||
widget.show()
|
||
sys.exit(app.exec_())
|