diff options
| author | Venugopal Shivashankar <Venugopal.Shivashankar@qt.io> | 2019-01-10 14:29:08 +0100 |
|---|---|---|
| committer | Cristian Maureira-Fredes <cristian.maureira-fredes@qt.io> | 2019-02-04 15:14:38 +0000 |
| commit | 9ef7df3e333177c7d71b5e7bb725f9f5ceb6cd9f (patch) | |
| tree | 5da0809c24b23d64a928d278a95bd0fe619cb9f2 /sources/pyside2/doc/tutorials/datavisualize/datavisualize4 | |
| parent | b849292b36f306cd71cd9456bccf6a514c2bb71e (diff) | |
Doc: Add the data visualization tutorial
Change-Id: I17c6b4a4fa35e5b2ced79b47eaba99b393059406
Reviewed-by: Paul Wicking <paul.wicking@qt.io>
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>
Diffstat (limited to 'sources/pyside2/doc/tutorials/datavisualize/datavisualize4')
4 files changed, 327 insertions, 0 deletions
diff --git a/sources/pyside2/doc/tutorials/datavisualize/datavisualize4/main.py b/sources/pyside2/doc/tutorials/datavisualize/datavisualize4/main.py new file mode 100644 index 000000000..43c5cd521 --- /dev/null +++ b/sources/pyside2/doc/tutorials/datavisualize/datavisualize4/main.py @@ -0,0 +1,90 @@ +############################################################################# +## +## Copyright (C) 2019 The Qt Company Ltd. +## Contact: http://www.qt.io/licensing/ +## +## This file is part of the Qt for Python examples of the Qt Toolkit. +## +## $QT_BEGIN_LICENSE:BSD$ +## You may use this file under the terms of the BSD license as follows: +## +## "Redistribution and use in source and binary forms, with or without +## modification, are permitted provided that the following conditions are +## met: +## * Redistributions of source code must retain the above copyright +## notice, this list of conditions and the following disclaimer. +## * Redistributions in binary form must reproduce the above copyright +## notice, this list of conditions and the following disclaimer in +## the documentation and/or other materials provided with the +## distribution. +## * Neither the name of The Qt Company Ltd nor the names of its +## contributors may be used to endorse or promote products derived +## from this software without specific prior written permission. +## +## +## THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +## "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +## LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +## A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +## OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +## SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +## LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +## DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +## THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +## (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +## OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." +## +## $QT_END_LICENSE$ +## +############################################################################# + +import sys +import argparse +import pandas as pd + +from PySide2.QtCore import QDateTime, QTimeZone +from PySide2.QtWidgets import QApplication +from main_window import MainWindow +from main_widget import Widget + + +def transform_date(utc, timezone=None): + utc_fmt = "yyyy-MM-ddTHH:mm:ss.zzzZ" + new_date = QDateTime().fromString(utc, utc_fmt) + if timezone: + new_date.setTimeZone(timezone) + return new_date + + +def read_data(fname): + # Read the CSV content + df = pd.read_csv(fname) + + # Remove wrong magnitudes + df = df.drop(df[df.mag < 0].index) + magnitudes = df["mag"] + + # My local timezone + timezone = QTimeZone(b"Europe/Berlin") + + # Get timestamp transformed to our timezone + times = df["time"].apply(lambda x: transform_date(x, timezone)) + + return times, magnitudes + + +if __name__ == "__main__": + options = argparse.ArgumentParser() + options.add_argument("-f", "--file", type=str, required=True) + args = options.parse_args() + data = read_data(args.file) + + # Qt Application + app = QApplication(sys.argv) + + widget = Widget(data) + window = MainWindow(widget) + window.show() + + sys.exit(app.exec_()) + diff --git a/sources/pyside2/doc/tutorials/datavisualize/datavisualize4/main_widget.py b/sources/pyside2/doc/tutorials/datavisualize/datavisualize4/main_widget.py new file mode 100644 index 000000000..0c780241a --- /dev/null +++ b/sources/pyside2/doc/tutorials/datavisualize/datavisualize4/main_widget.py @@ -0,0 +1,80 @@ +############################################################################# +## +## Copyright (C) 2019 The Qt Company Ltd. +## Contact: http://www.qt.io/licensing/ +## +## This file is part of the Qt for Python examples of the Qt Toolkit. +## +## $QT_BEGIN_LICENSE:BSD$ +## You may use this file under the terms of the BSD license as follows: +## +## "Redistribution and use in source and binary forms, with or without +## modification, are permitted provided that the following conditions are +## met: +## * Redistributions of source code must retain the above copyright +## notice, this list of conditions and the following disclaimer. +## * Redistributions in binary form must reproduce the above copyright +## notice, this list of conditions and the following disclaimer in +## the documentation and/or other materials provided with the +## distribution. +## * Neither the name of The Qt Company Ltd nor the names of its +## contributors may be used to endorse or promote products derived +## from this software without specific prior written permission. +## +## +## THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +## "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +## LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +## A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +## OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +## SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +## LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +## DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +## THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +## (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +## OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." +## +## $QT_END_LICENSE$ +## +############################################################################# + +from PySide2.QtWidgets import (QHBoxLayout, QHeaderView, QSizePolicy, + QTableView, QWidget) + +from table_model import CustomTableModel + + +class Widget(QWidget): + def __init__(self, data): + QWidget.__init__(self) + + # Getting the Model + self.model = CustomTableModel(data) + + # Creating a QTableView + self.table_view = QTableView() + self.table_view.setModel(self.model) + + # QTableView Headers + self.horizontal_header = self.table_view.horizontalHeader() + self.vertical_header = self.table_view.verticalHeader() + self.horizontal_header.setSectionResizeMode( + QHeaderView.ResizeToContents + ) + self.vertical_header.setSectionResizeMode( + QHeaderView.ResizeToContents + ) + self.horizontal_header.setStretchLastSection(True) + + # QWidget Layout + self.main_layout = QHBoxLayout() + size = QSizePolicy(QSizePolicy.Preferred, QSizePolicy.Preferred) + + ## Left layout + size.setHorizontalStretch(1) + self.table_view.setSizePolicy(size) + self.main_layout.addWidget(self.table_view) + + # Set the layout to the QWidget + self.setLayout(self.main_layout) + diff --git a/sources/pyside2/doc/tutorials/datavisualize/datavisualize4/main_window.py b/sources/pyside2/doc/tutorials/datavisualize/datavisualize4/main_window.py new file mode 100644 index 000000000..9f7c6814f --- /dev/null +++ b/sources/pyside2/doc/tutorials/datavisualize/datavisualize4/main_window.py @@ -0,0 +1,69 @@ +############################################################################# +## +## Copyright (C) 2019 The Qt Company Ltd. +## Contact: http://www.qt.io/licensing/ +## +## This file is part of the Qt for Python examples of the Qt Toolkit. +## +## $QT_BEGIN_LICENSE:BSD$ +## You may use this file under the terms of the BSD license as follows: +## +## "Redistribution and use in source and binary forms, with or without +## modification, are permitted provided that the following conditions are +## met: +## * Redistributions of source code must retain the above copyright +## notice, this list of conditions and the following disclaimer. +## * Redistributions in binary form must reproduce the above copyright +## notice, this list of conditions and the following disclaimer in +## the documentation and/or other materials provided with the +## distribution. +## * Neither the name of The Qt Company Ltd nor the names of its +## contributors may be used to endorse or promote products derived +## from this software without specific prior written permission. +## +## +## THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +## "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +## LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +## A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +## OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +## SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +## LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +## DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +## THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +## (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +## OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." +## +## $QT_END_LICENSE$ +## +############################################################################# + +from PySide2.QtCore import Slot, qApp +from PySide2.QtGui import QKeySequence +from PySide2.QtWidgets import QMainWindow, QAction + + +class MainWindow(QMainWindow): + def __init__(self, widget): + QMainWindow.__init__(self) + self.setWindowTitle("Eartquakes information") + self.setCentralWidget(widget) + # Menu + self.menu = self.menuBar() + self.file_menu = self.menu.addMenu("File") + + ## Exit QAction + exit_action = QAction("Exit", self) + exit_action.setShortcut(QKeySequence.Quit) + exit_action.triggered.connect(self.close) + + self.file_menu.addAction(exit_action) + + # Status Bar + self.status = self.statusBar() + self.status.showMessage("Data loaded and plotted") + + # Window dimensions + geometry = qApp.desktop().availableGeometry(self) + self.setFixedSize(geometry.width() * 0.8, geometry.height() * 0.7) + diff --git a/sources/pyside2/doc/tutorials/datavisualize/datavisualize4/table_model.py b/sources/pyside2/doc/tutorials/datavisualize/datavisualize4/table_model.py new file mode 100644 index 000000000..d2eafb244 --- /dev/null +++ b/sources/pyside2/doc/tutorials/datavisualize/datavisualize4/table_model.py @@ -0,0 +1,88 @@ +############################################################################# +## +## Copyright (C) 2019 The Qt Company Ltd. +## Contact: http://www.qt.io/licensing/ +## +## This file is part of the Qt for Python examples of the Qt Toolkit. +## +## $QT_BEGIN_LICENSE:BSD$ +## You may use this file under the terms of the BSD license as follows: +## +## "Redistribution and use in source and binary forms, with or without +## modification, are permitted provided that the following conditions are +## met: +## * Redistributions of source code must retain the above copyright +## notice, this list of conditions and the following disclaimer. +## * Redistributions in binary form must reproduce the above copyright +## notice, this list of conditions and the following disclaimer in +## the documentation and/or other materials provided with the +## distribution. +## * Neither the name of The Qt Company Ltd nor the names of its +## contributors may be used to endorse or promote products derived +## from this software without specific prior written permission. +## +## +## THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +## "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +## LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +## A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +## OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +## SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +## LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +## DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +## THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +## (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +## OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." +## +## $QT_END_LICENSE$ +## +############################################################################# + +from PySide2.QtCore import Qt, QAbstractTableModel, QModelIndex +from PySide2.QtGui import QColor + + +class CustomTableModel(QAbstractTableModel): + def __init__(self, data=None): + QAbstractTableModel.__init__(self) + self.load_data(data) + + def load_data(self, data): + self.input_dates = data[0].values + self.input_magnitudes = data[1].values + + self.column_count = 2 + self.row_count = len(self.input_magnitudes) + + def rowCount(self, parent=QModelIndex()): + return self.row_count + + def columnCount(self, parent=QModelIndex()): + return self.column_count + + def headerData(self, section, orientation, role): + if role != Qt.DisplayRole: + return None + if orientation == Qt.Horizontal: + return ("Date", "Magnitude")[section] + else: + return "{}".format(section) + + def data(self, index, role=Qt.DisplayRole): + column = index.column() + row = index.row() + + if role == Qt.DisplayRole: + if column == 0: + raw_date = self.input_dates[row] + date = "{}".format(raw_date.toPython()) + return date[:-3] + elif column == 1: + return "{:.2f}".format(self.input_magnitudes[row]) + elif role == Qt.BackgroundRole: + return QColor(Qt.white) + elif role == Qt.TextAlignmentRole: + return Qt.AlignRight + + return None + |