Python VPlotContainer.remove方法代碼示例

# 需要導入模塊: from chaco.api import VPlotContainer [as 別名]
# 或者: from chaco.api.VPlotContainer import remove [as 別名]

#.........這裏部分代碼省略.........
    @on_trait_change('cpanel.right_arrow', post_init=True)
    def _right_arrow_fired(self):
        '''Right arrow/key pressed. Sends request to load next image.'''
        self.process.jobqueue.put(['updatecache', ['right']])
        return
    
    @on_trait_change('cpanel.generate', post_init=True)
    def _generate_fired(self):
        '''Generate pressed. Sends request to create specified RR plot.'''
        self.process.jobqueue.put(['plotrr', [self.cpanel.rrchoice]])
        time.sleep(0.5)
        self.updateRRPanel(self.cpanel.rrchoice)
        return
    
    @on_trait_change('cpanel.dirpath', post_init=True)
    def _dirpath_changed(self):
        '''A directory has been chosen. Sends request to start load thread.'''
        self.process.jobqueue.put(['startload', [self.cpanel.dirpath]])
        return
    
    @on_trait_change('process.pic', post_init=True)
    def _pic_changed(self):
        '''Updates the index and metadata when the current image changes.'''
        pic =  self.process.pic
        self.cpanel.index = pic.n + 1
        self.mdpanel.name = pic.name
        if pic.metadata:
            for key in pic.metadata.keys():
                setattr(self.mdpanel, key, pic.metadata[key])
        else:
            for key in self.mdpanel.editable_traits():
                if key != 'name':
                    setattr(self.mdpanel, key, '')
        
        self.imagepanel.invalidate_and_redraw()
        return

    @on_trait_change('process.display.filenum', post_init=True)
    def _filenum_changed(self):
        '''Handles interactions with the RR plots. When a point is hovered
        over, its filename is displayed in the control panel.
        '''
        #print 'filenum changed'
        n = self.process.display.filenum
        if n == -1:
            self.cpanel.message = ''
        else:
            name = self.process.datalist[n].name
            self.cpanel.message = '%d: %s' % (n+1, name)
        return

    @on_trait_change('cpanel.colormap', post_init=True)
    def _colormap_changed(self):
        '''A new colormap has been selected. Sends request to update cmap.'''
        self.process.jobqueue.put(['updatecmap', [self.cpanel.colormap]])
        return

    def createImagePanel(self):
        '''Creates the image panel and fills it with the associated plots. 
        The plots included are the image plot, histogram, and 1D plot. Data
        can be set for these plots without changing the Plot objects.
        '''
        cont = VPlotContainer(stack_order = 'top_to_bottom',
                                bgcolor = 'transparent',
                                use_backbuffer=True)

        imageplot = getattr(self.process, 'imageplot')
        colorbar = getattr(self.process.display, 'colorbar')
        histogram = getattr(self.process, 'histogram')
        plot1d = getattr(self.process, 'plot1d')

        imgcont = HPlotContainer(imageplot, colorbar, bgcolor = 'transparent',
                                    spacing = 20.0)
        cont.add(imgcont)
        cont.add(histogram)
        cont.add(plot1d)
        
        self.imagepanel = cont
        self.imagepanel.get_preferred_size()
        self.imagepanel.invalidate_draw()
        return
    
    def updateRRPanel(self, choice):
        '''Fills the rrpanel with new RR plots.

        choice -- the name of the RR to check for
        '''
        rrplots = getattr(self.process, 'rrplots')
        
        try:
            if rrplots[choice] not in self.rrpanel._components:
                self.rrpanel.add(rrplots[choice])
        except KeyError: 
            return

        if len(self.rrpanel._components) > 3:
            self.rrpanel.remove(self.rrpanel._components[0])

        self.rrpanel.invalidate_and_redraw()
        return