MeteoInfoLab脚本示例：用户界面-地图

MeteoInfo · 发表于 2018-4-13 17:55:33

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本帖最后由 MeteoInfo 于 2018-4-13 17:56 编辑

MeteoInfoLab脚本开发用户界面程序用到了Java的Swing图形界面库，Jython对Swing的调用代码比Java更简洁一些，网上也有一些入门的教程。这个示例脚本创建一个JFrame对象（用户界面的图形窗体），在里面加上菜单、工具栏、以及一个mipylib.plotlib.figure模块里的Figure对象，利用add_axes函数添加一个MapAxes对象，然后用该对象的webmap和geoshow函数添加网络地图图层和中国省级行政界限图层。工具栏中包括了添加图层、地图缩放、地图要素属性显示等工具按钮。
脚本里用到的图标：

image.zip (7.06 KB, 下载次数: 40)

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# coding=utf-8
import java.awt as awt
import javax.swing as swing
from java.awt.event import KeyEvent
from java.io import File
from javax.swing.filechooser import FileNameExtensionFilter
from javax.imageio import ImageIO
import inspect
import os
import sys
import mipylib.miutil as miutil
import mipylib.geolib as geolib
from mipylib.plotlib.figure import Figure
class MainGUI(swing.JFrame):
def __init__(self):
super(MainGUI, self).__init__()
this_file = inspect.getfile(inspect.currentframe())
self.currentPath = os.path.abspath(os.path.dirname(this_file))
print self.currentPath
self.initUI()
def initUI(self):
#Add menu bar
menubar = swing.JMenuBar()
menu_file = swing.JMenu('File')
menu_file.setMnemonic(KeyEvent.VK_F)
menuItem_fileExit = swing.JMenuItem('Exit', None,
actionPerformed=self.onClick_exit)
menuItem_fileExit.setMnemonic(KeyEvent.VK_C)
menu_file.add(menuItem_fileExit)
menubar.add(menu_file)
self.setJMenuBar(menubar)
#Add tool bar
toolbar = swing.JToolBar()
toolbar.setPreferredSize(awt.Dimension(300,25))
self.add(toolbar, awt.BorderLayout.NORTH)
#Add layer button
icon = ImageIO.read(File(os.path.join(self.currentPath, 'image/add_layer.png')))
icon = swing.ImageIcon(icon)
exitButton = swing.JButton(icon, actionPerformed=self.click_addlayer)
toolbar.add(exitButton)
toolbar.addSeparator()
#Zoom buttons
icon = ImageIO.read(File(os.path.join(self.currentPath, 'image/zoom_in.png')))
icon = swing.ImageIcon(icon)
zoomInButton = swing.JButton(icon, actionPerformed=self.click_zoomIn)
toolbar.add(zoomInButton)
icon = ImageIO.read(File(os.path.join(self.currentPath, 'image/zoom_out.png')))
icon = swing.ImageIcon(icon)
zoomOutButton = swing.JButton(icon, actionPerformed=self.click_zoomOut)
toolbar.add(zoomOutButton)
icon = ImageIO.read(File(os.path.join(self.currentPath, 'image/pan.png')))
icon = swing.ImageIcon(icon)
panButton = swing.JButton(icon, actionPerformed=self.click_pan)
toolbar.add(panButton)
icon = ImageIO.read(File(os.path.join(self.currentPath, 'image/full_extent.png')))
icon = swing.ImageIcon(icon)
fullExtentButton = swing.JButton(icon, actionPerformed=self.click_fullExtent)
toolbar.add(fullExtentButton)
toolbar.addSeparator()
#Identifer
icon = ImageIO.read(File(os.path.join(self.currentPath, 'image/identifer.png')))
icon = swing.ImageIcon(icon)
idenButton = swing.JButton(icon, actionPerformed=self.click_identifer)
toolbar.add(idenButton)
#Add figure
self.fig = Figure()
self.fig.set_mousemode('pan')
self.ax = self.fig.add_axes(position=[0,0,1,1], axestype='map', \
proj='merc', aspect='auto', gridlabel=False, frameon=False)
self._loadlayers()
self.ax.axis([80,130,20,50])
self.add(self.fig)
self.pack()
#Set main form
icon = ImageIO.read(File(os.path.join(self.currentPath, 'image/earth_24.png')))
self.title = 'Map axes'
self.setIconImage(icon)
self.defaultCloseOperation = swing.JFrame.DISPOSE_ON_CLOSE
self.windowClosing = self.formWindowClosing
def _loadlayers(self):
self.ax.webmap(provider='GoogleSatelliteMap')
self.ax.geoshow('cn_province', edgecolor='b')
def click_addlayer(self, e):
fc = swing.JFileChooser()
filter = FileNameExtensionFilter('shape files', ['shp'])
fc.addChoosableFileFilter(filter)
result = fc.showOpenDialog( None )
if result == swing.JFileChooser.APPROVE_OPTION :
f = fc.getSelectedFile()
layer = geolib.shaperead(f.getAbsolutePath())
self.ax.add_layer(layer)
self.fig.draw()
def click_zoomIn(self, e):
self.fig.set_mousemode('zoom_in')
def click_zoomOut(self, e):
self.fig.set_mousemode('zoom_out')
def click_pan(self, e):
self.fig.set_mousemode('pan')
def click_fullExtent(self, e):
self.fig.onUndoZoomClick()
def click_identifer(self, e):
self.fig.set_mousemode('identifer')
def formWindowClosing(self, e):
self.dispose()
def onClick_exit(self, e):
self.dispose()
if __name__ == '__main__':
frm = MainGUI()
frm.pack()
frm.size = (1000, 650)
frm.locationRelativeTo = None
frm.visible = True

# coding=utf-8 
 
import java.awt as awt 
import javax.swing as swing 
from java.awt.event import KeyEvent 
from java.io import File 
from javax.swing.filechooser import FileNameExtensionFilter 
from javax.imageio import ImageIO 
import inspect 
import os 
import sys 
import mipylib.miutil as miutil 
import mipylib.geolib as geolib 
from mipylib.plotlib.figure import Figure 
 
class MainGUI(swing.JFrame): 
 
    def __init__(self): 
        super(MainGUI, self).__init__() 
 
        this_file = inspect.getfile(inspect.currentframe()) 
        self.currentPath = os.path.abspath(os.path.dirname(this_file)) 
        print self.currentPath 
 
        self.initUI() 
         
    def initUI(self): 
        #Add menu bar 
        menubar = swing.JMenuBar() 
        menu_file = swing.JMenu('File') 
        menu_file.setMnemonic(KeyEvent.VK_F) 
        menuItem_fileExit = swing.JMenuItem('Exit', None, 
            actionPerformed=self.onClick_exit) 
        menuItem_fileExit.setMnemonic(KeyEvent.VK_C) 
        menu_file.add(menuItem_fileExit) 
        menubar.add(menu_file)         
        self.setJMenuBar(menubar)    
 
         #Add tool bar 
        toolbar = swing.JToolBar() 
        toolbar.setPreferredSize(awt.Dimension(300,25)) 
        self.add(toolbar, awt.BorderLayout.NORTH) 
        #Add layer button 
        icon = ImageIO.read(File(os.path.join(self.currentPath, 'image/add_layer.png'))) 
        icon = swing.ImageIcon(icon) 
        exitButton = swing.JButton(icon, actionPerformed=self.click_addlayer) 
        toolbar.add(exitButton) 
        toolbar.addSeparator() 
        #Zoom buttons 
        icon = ImageIO.read(File(os.path.join(self.currentPath, 'image/zoom_in.png'))) 
        icon = swing.ImageIcon(icon) 
        zoomInButton = swing.JButton(icon, actionPerformed=self.click_zoomIn) 
        toolbar.add(zoomInButton) 
        icon = ImageIO.read(File(os.path.join(self.currentPath, 'image/zoom_out.png'))) 
        icon = swing.ImageIcon(icon) 
        zoomOutButton = swing.JButton(icon, actionPerformed=self.click_zoomOut) 
        toolbar.add(zoomOutButton) 
        icon = ImageIO.read(File(os.path.join(self.currentPath, 'image/pan.png'))) 
        icon = swing.ImageIcon(icon) 
        panButton = swing.JButton(icon, actionPerformed=self.click_pan) 
        toolbar.add(panButton) 
        icon = ImageIO.read(File(os.path.join(self.currentPath, 'image/full_extent.png'))) 
        icon = swing.ImageIcon(icon) 
        fullExtentButton = swing.JButton(icon, actionPerformed=self.click_fullExtent) 
        toolbar.add(fullExtentButton) 
        toolbar.addSeparator() 
        #Identifer 
        icon = ImageIO.read(File(os.path.join(self.currentPath, 'image/identifer.png'))) 
        icon = swing.ImageIcon(icon) 
        idenButton = swing.JButton(icon, actionPerformed=self.click_identifer) 
        toolbar.add(idenButton) 
 
        #Add figure 
        self.fig = Figure() 
        self.fig.set_mousemode('pan') 
        self.ax = self.fig.add_axes(position=[0,0,1,1], axestype='map', \ 
            proj='merc', aspect='auto', gridlabel=False, frameon=False) 
        self._loadlayers() 
        self.ax.axis([80,130,20,50]) 
        self.add(self.fig) 
         
        self.pack() 
 
        #Set main form 
        icon = ImageIO.read(File(os.path.join(self.currentPath, 'image/earth_24.png'))) 
        self.title = 'Map axes' 
        self.setIconImage(icon) 
        self.defaultCloseOperation = swing.JFrame.DISPOSE_ON_CLOSE    
        self.windowClosing = self.formWindowClosing          
 
    def _loadlayers(self): 
        self.ax.webmap(provider='GoogleSatelliteMap') 
        self.ax.geoshow('cn_province', edgecolor='b')         
 
    def click_addlayer(self, e): 
        fc = swing.JFileChooser() 
        filter = FileNameExtensionFilter('shape files', ['shp']) 
        fc.addChoosableFileFilter(filter) 
        result = fc.showOpenDialog( None ) 
        if result == swing.JFileChooser.APPROVE_OPTION : 
            f = fc.getSelectedFile() 
            layer = geolib.shaperead(f.getAbsolutePath()) 
            self.ax.add_layer(layer) 
            self.fig.draw() 
 
    def click_zoomIn(self, e): 
        self.fig.set_mousemode('zoom_in') 
 
    def click_zoomOut(self, e): 
        self.fig.set_mousemode('zoom_out') 
 
    def click_pan(self, e): 
        self.fig.set_mousemode('pan') 
 
    def click_fullExtent(self, e): 
        self.fig.onUndoZoomClick() 
 
    def click_identifer(self, e): 
        self.fig.set_mousemode('identifer') 
 
    def formWindowClosing(self, e): 
        self.dispose() 
 
    def onClick_exit(self, e):         
        self.dispose() 
 
if __name__ == '__main__': 
    frm = MainGUI() 
    frm.pack() 
    frm.size = (1000, 650) 
    frm.locationRelativeTo = None 
    frm.visible = True

kasal2010 · 发表于 2021-3-2 21:05:28

谢谢版主的共享！！！

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