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FLUS_Win.py
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FLUS_Win.py
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#!/usr/bin/python3
# -*- coding: utf-8 -*-
#function: QMainWindow cannot use layout,only QWidget
from PyQt5.QtCore import *
from PyQt5.QtGui import *
from PyQt5.QtWidgets import *
import os, webbrowser, sys
from PIL import Image, ImageQt
import FLUS_Utils, FLUS_Thread, FLUS_ANNSettingWin
# QGraphicsView
class GraphicsView(QGraphicsView):
def __init__(self,parent=None, scene = None):
super(GraphicsView, self).__init__(parent)
self.scene = scene
self.setScene(self.scene)
def zoomFit(self):
self.fitInView(self.sceneRect(), Qt.KeepAspectRatio)
def zoomIn(self):
self.scale(1.1,1.1)
def zoomOut(self):
self.scale(0.9, 0.9)
def wheelEvent(self, event):
if event.angleDelta().y() / 120.0 > 0:
factor = 1.1
else:
factor = 0.9
self.scale(factor, factor)
def mousePressEvent(self, event):
self.setDragMode(1)
self.startPos = self.mapToScene(event.pos())
def mouseReleaseEvent(self, event):
pos = self.mapToScene(event.pos())
dx = pos.x() - self.startPos.x()
dy = pos.y() - self.startPos.y()
rect = self.sceneRect().getRect()
self.scene.setSceneRect(rect[0] - dx, rect[1] - dy, rect[2], rect[3])
self.setDragMode(0)
class FLUS_Win(QMainWindow):
def __init__(self):
super().__init__()
self.initUI()
self.setWorkDir()
def initUI(self):
"""
初始化界面UI
:return: None
"""
# 绘图区
self.scene = QGraphicsScene(self)
self.view = GraphicsView(self, self.scene)
#self.view.setScene(self.scene)
self.view.setGeometry(100, 60, 395, 310)
self.view.show()
# 初始化菜单栏,工具栏及其对应的触发事件
self.createActions()
self.createMenuBar()
self.createToolBar()
# 设置窗口大小,位置,名称,logo
self.setWindowTitle('FLUS')
self.setWindowIcon(QIcon('./icons/earth_night.png'))
self.setGeometry(300, 300, 500, 400)
self.setFixedSize(500,400)
self.show()
def setWorkDir(self):
"""
设置工作路径,所有临时文件从工作路径读取和写入
:return:
"""
self.sWorkDir = "."
self.sWorkDir = QFileDialog.getExistingDirectory(self, "set work directory", ".", QFileDialog.ShowDirsOnly)
self.statusBar().showMessage("Cur Dir: %s"%self.sWorkDir)
# test function
def display_image(self, fn):
img = Image.open(fn)
self.scene.clear()
w, h = img.size
self.imgQ = ImageQt.ImageQt(img) # we need to hold reference to imgQ, or it will crash
pixMap = QPixmap.fromImage(self.imgQ)
self.scene.addPixmap(pixMap)
self.view.fitInView(QRectF(0, 0, w, h), Qt.KeepAspectRatio)
self.scene.update()
self.view.repaint()
self.view.show()
def createActions(self):
"""
创建事件/作用,及其连接的槽函数
:return:
"""
self.newProjAct = QAction(QIcon("icons/new.png"), "&New Project", self, triggered = self.setWorkDir)
self.loadImgAct = QAction(QIcon("icons/open.png"), "&Load Image", self, triggered=self.addGeoTiffImage)
self.clearAct = QAction(QIcon("icons/clear.png"), "&Clear", self, triggered=self.addGeoTiffImage)
self.exitAct = QAction(QIcon("icons/shutdown.png"), "&Exit", self, triggered=qApp.quit)
self.exitAct.setShortcut('Ctrl+Q') # shortcut
self.zoomInAct = QAction(QIcon("icons/zoom-in.png"), "&Zoom In", self, triggered=self.view.zoomIn)
self.zoomOutAct = QAction(QIcon("icons/zoom-out.png"), "&Zoom Out", self, triggered=self.view.zoomOut)
self.zoomFitAct = QAction(QIcon("icons/zoom-fit.png"), "&Zoom Fit", self, triggered=self.view.zoomFit)
self.annAct = QAction(QIcon("icons/settings1.png"), "&ANN Settings", self, triggered=self.showANNSettingWin)
self.runannAct = QAction(QIcon("icons/networking.png"), "&Run ANN", self, triggered = self.on_runANN)
self.caAct = QAction(QIcon("icons/settings2.png"), "&CA Settings", self, triggered=self.addGeoTiffImage)
self.runcaAct = QAction(QIcon("icons/start_here.png"), "&Run CA", self, triggered=self.on_runCA)
self.aboutAct = QAction(QIcon("icons/about.png"), "&About", self, triggered=self.addGeoTiffImage)
self.newversionAct = QAction(QIcon("icons/update.png"), "&New Version", self, triggered=self.gotoNewVersion)
self.userguideenAct = QAction(QIcon("icons/pdf.png"), "&User Guide(en)", self, triggered=self.gotoUserGuideeEn)
self.userguidechsAct = QAction(QIcon("icons/pdf.png"), "&User Guide(chs)", self, triggered=self.gotoUserGuideChs)
self.precisionvalidationAct = QAction(QIcon("icons/ok.png"), "&Precision Validation", self, triggered=self.addGeoTiffImage)
def createMenuBar(self):
"""
创建菜单栏
:return: None
"""
# QMenu
self.fileMenu = self.menuBar().addMenu("&File")
self.fileMenu.addAction(self.newProjAct)
self.fileMenu.addAction(self.loadImgAct)
self.fileMenu.addAction(self.clearAct)
self.fileMenu.addAction(self.exitAct)
self.modelMenu = self.menuBar().addMenu("&FLUS Model")
self.modelMenu.addAction(self.annAct)
self.modelMenu.addAction(self.runannAct)
self.modelMenu.addAction(self.caAct)
self.modelMenu.addAction(self.runcaAct)
self.validationMenu = self.menuBar().addMenu("&Validation")
self.validationMenu.addAction(self.precisionvalidationAct)
self.viewMenu = self.menuBar().addMenu("&View")
self.viewMenu.addAction(self.zoomInAct)
self.viewMenu.addAction(self.zoomOutAct)
self.viewMenu.addAction(self.zoomFitAct)
self.helpMenu = self.menuBar().addMenu("&Help")
self.helpMenu.addAction(self.aboutAct)
self.helpMenu.addAction(self.newversionAct)
self.helpMenu.addAction(self.userguideenAct)
self.helpMenu.addAction(self.userguidechsAct)
def createToolBar(self):
"""
创建工具栏
:return: None
"""
# ToolBar
self.toolbar = self.addToolBar('Load')
self.toolbar.addAction(self.newProjAct)
self.toolbar.addAction(self.loadImgAct)
self.toolbar.addAction(self.clearAct)
self.toolbar.addAction(self.exitAct)
# self.toolbar.addAction()
self.toolbar.addAction(self.zoomInAct)
self.toolbar.addAction(self.zoomOutAct)
self.toolbar.addAction(self.zoomFitAct)
#
#self.toolbar.addAction(self.annAct)
self.toolbar.addAction(self.runannAct)
self.toolbar.addAction(self.runcaAct)
self.toolbar.addAction(self.aboutAct)
# status bar
self.statusBar().showMessage("FLUS ready")
self.progressBar = QProgressBar(self)
self.progressBar.setGeometry(400, 400, 100, 0)
self.progressBar.setHidden(True)
# # # # # # # # # # # # # # # # # # # # # #
# # # # # # # # # # # # # # # # # # # # # #
# 以下为槽函数
@pyqtSlot()
def addGeoTiffImage(self):
"""
加载Geo Tiff图像
:return:
"""
#QMessageBox.information(self,"Title", "This is message!", QMessageBox.Yes | QMessageBox.No)
# get color
#color = QColorDialog.getColor()
sFileName, ok1 = QFileDialog.getOpenFileName(self, "open file", "./","TIFF(*.tif);;JPG(*.jpg);;PNG(*.png);;(*.*)")
# 或者文件不存在
if not os.path.exists(sFileName):
self.statusBar().showMessage("File Does Not Exist!")
return
# 读取影像
flusimg, msg = FLUS_Utils.loadImage(sFileName)
# 读取失败
if(flusimg == None):
self.statusBar().showMessage("Load Fail! %s"%msg)
return
# 显示影像的基本信息
vDataType = ["Unknown", "Byte", "UInt16", "Int16", "UInt32", "Int32", "Float32", "Float64", "CInt16", "CInt32", "CFloat32", "CFloat64"]
self.statusBar().showMessage("Load Success! Row=%d Col=%d Band=%d Type=%s Nodata=%.0f"%(flusimg.mnRows, flusimg.mnCols, flusimg.mnBands,vDataType[flusimg.mgDataType],flusimg.mdInvalidValue))
# QMessageBox.information(self, "load info", msg)
del flusimg
@pyqtSlot()
def showANNSettingWin(self):
# 显示计算发展概率的设置窗口
self.annwin = FLUS_ANNSettingWin.ANNSettingWin()
# 将当前工作区间传给设置窗口
self.annwin.setWorkDir(self.sWorkDir)
self.annwin.show() # 需要通过self实例化为全局变量,不加self的话,一运行就被回收,也就无法显示。
@pyqtSlot(str)
def showMsg(self, msg):
"""
状态栏显示日志,进度
:param msg:
:return:
"""
self.statusBar().showMessage(msg)
@pyqtSlot(str, str)
def showMsgBox(self, msg, type):
"""
显示不同类型的Message Box
:param msg: 显示信息
:param type: 对话框类型
:return:
"""
if(type == "info"):
QMessageBox.information(self, "Information", msg)
elif(type == "error"):
QMessageBox.critical(self, "Error", msg)
elif(type == "warn"):
QMessageBox.warning(self, "Warning", msg)
else:
pass
@pyqtSlot()
def on_runANN(self):
"""
创建线程,防止界面假死(未响应)
:return:
"""
loop = QEventLoop()
trainingThread = FLUS_Thread.NNTrainingThread(self)
trainingThread.setParam(self.sWorkDir, "ann_config.xml")
trainingThread.start()
# 线程信号与槽函数的连接
trainingThread.sendMsg.connect(self.showMsg)
trainingThread.sendMsg2Box.connect(self.showMsgBox)
trainingThread.finished.connect(loop.quit)
loop.exec_()
trainingThread.wait()
self.statusBar().showMessage("FLUS Ready @v@ ")
@pyqtSlot()
def on_runCA(self):
loop = QEventLoop()
caThread = FLUS_Thread.CAThread(self)
caThread.setParam(self.sWorkDir, "ca_config.xml")
caThread.start()
caThread.sendMsg.connect(self.showMsg)
caThread.sendMsg2Box.connect(self.showMsgBox)
caThread.finished.connect(loop.quit)
loop.exec_()
caThread.wait()
self.statusBar().showMessage("FLUS Ready @_@")
pass
@pyqtSlot()
def gotoNewVersion(self):
"""
访问flus主页
:return:
"""
webbrowser.open("http://www.geosimulation.cn/flus.html")
@pyqtSlot()
def gotoUserGuideeEn(self):
"""
访问flus英文指南
:return:
"""
webbrowser.open("http://www.geosimulation.cn/FLUS/GeoSOS-FLUS%20Manual_En.pdf")
@pyqtSlot()
def gotoUserGuideChs(self):
"""
访问flus中文指南
:return:
"""
webbrowser.open("http://www.geosimulation.cn/FLUS/GeoSOS-FLUS%20Manual_CHS.pdf")
def __del__(self):
pass
if __name__ == "__main__":
app = QApplication(sys.argv)
ex = FLUS_Win()
sys.exit(app.exec_())