Python pyqtgraph.Qt.QtCore.QRectF() Examples

The following are 15 code examples of pyqtgraph.Qt.QtCore.QRectF(). You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may also want to check out all available functions/classes of the module pyqtgraph.Qt.QtCore , or try the search function .
Example #1
Source File: visualization.py    From RoboND-DeepLearning-Project with MIT License 6 votes vote down vote up 
def run(self):
        app = QtGui.QApplication([])
        ## Create window with GraphicsView widget
        win = pg.GraphicsLayoutWidget()
        win.show()  ## show widget alone in its own window
        win.setWindowTitle('pyqtgraph example: ImageItem')
        view = win.addViewBox()

        ## lock the aspect ratio so pixels are always square
        view.setAspectLocked(True)

        ## Create image item
        self.img = pg.ImageItem(border='w')
        view.addItem(self.img)

        ## Set initial view bounds
        view.setRange(QtCore.QRectF(0, 0, 2*self.image_hw, self.image_hw))

        timer = QtCore.QTimer()
        timer.timeout.connect(self._update)
        timer.start(50)

        app.exec_()
Example #2
Source File: visualization.py    From RoboND-DeepLearning-Project with MIT License 6 votes vote down vote up 
def run(self):
        app = QtGui.QApplication([])
        ## Create window with GraphicsView widget
        win = pg.GraphicsLayoutWidget()
        win.show()  ## show widget alone in its own window
        win.setWindowTitle('pyqtgraph example: ImageItem')
        view = win.addViewBox()

        ## lock the aspect ratio so pixels are always square
        view.setAspectLocked(True)

        ## Create image item
        self.img = pg.ImageItem(border='w')
        view.addItem(self.img)

        ## Set initial view bounds
        view.setRange(QtCore.QRectF(0, 0, self.image_hw, self.image_hw))

        timer = QtCore.QTimer()
        timer.timeout.connect(self._update)
        timer.start(50)

        app.exec_()
Example #3
Source File: OrthoImageItem.py    From rapidtide with Apache License 2.0 6 votes vote down vote up 
def newColorbar(view, left, top, impixpervoxx, impixpervoxy, imgsize):
    cb_xdim = imgsize // 10
    cb_ydim = imgsize
    theviewbox = pg.ViewBox(enableMouse=False)
    theviewbox.setRange(QtCore.QRectF(0, 0, cb_xdim, cb_ydim),
                        xRange=(0, cb_xdim - 1), yRange=(0, cb_ydim - 1), padding=0.0,
                        disableAutoRange=True)
    theviewbox.setAspectLocked()

    thecolorbarwin = pg.ImageItem()
    theviewbox.addItem(thecolorbarwin)
    thecolorbarwin.translate(left, top)
    thecolorbarwin.scale(impixpervoxx, impixpervoxy)

    colorbarvals = np.zeros((cb_xdim, cb_ydim), dtype=np.float64)
    for i in range(0, cb_ydim):
        colorbarvals[:, i] = i * (1.0 / (cb_ydim - 1.0))
    thecolorbarwin.setImage(colorbarvals, levels=[0.0, 1.0])
    return thecolorbarwin, theviewbox
Example #4
Source File: pyoptic.py    From tf-pose with Apache License 2.0 5 votes vote down vote up 
def boundingRect(self):
        return QtCore.QRectF()
Example #5
Source File: pyoptic.py    From tf-pose with Apache License 2.0 5 votes vote down vote up 
def mkPath(self):
        self.prepareGeometryChange()
        r = self.r
        d = self.d
        h2 = d/2.
        self.path = QtGui.QPainterPath()
        if r == 0:  ## flat surface
            self.path.moveTo(0, h2)
            self.path.lineTo(0, -h2)
        else:
            ## half-height of surface can't be larger than radius
            h2 = min(h2, abs(r))
            
            #dx = abs(r) - (abs(r)**2 - abs(h2)**2)**0.5
            #p.moveTo(-d*w/2.+ d*dx, d*h2)
            arc = QtCore.QRectF(0, -r, r*2, r*2)
            #self.surfaces.append((arc.center(), r, h2))
            a1 = np.arcsin(h2/r) * 180. / np.pi
            a2 = -2*a1
            a1 += 180.
            self.path.arcMoveTo(arc, a1)
            self.path.arcTo(arc, a1, a2)
            #if d == -1:
                #p1 = QtGui.QPainterPath()
                #p1.addRect(arc)
                #self.paths.append(p1)
        self.h2 = h2
Example #6
Source File: GraphicsScene.py    From tf-pose with Apache License 2.0 5 votes vote down vote up 
def boundingRect(self):
        return QtCore.QRectF(0, 0, 20, 20)
Example #7
Source File: relativity.py    From tf-pose with Apache License 2.0 5 votes vote down vote up 
def __init__(self, clock):
        pg.ItemGroup.__init__(self)
        self.size = clock.size
        self.item = QtGui.QGraphicsEllipseItem(QtCore.QRectF(0, 0, self.size, self.size))
        self.item.translate(-self.size*0.5, -self.size*0.5)
        self.item.setPen(pg.mkPen(100,100,100))
        self.item.setBrush(clock.brush)
        self.hand = QtGui.QGraphicsLineItem(0, 0, 0, self.size*0.5)
        self.hand.setPen(pg.mkPen('w'))
        self.hand.setZValue(10)
        self.flare = QtGui.QGraphicsPolygonItem(QtGui.QPolygonF([
            QtCore.QPointF(0, -self.size*0.25),
            QtCore.QPointF(0, self.size*0.25),
            QtCore.QPointF(self.size*1.5, 0),
            QtCore.QPointF(0, -self.size*0.25),
            ]))
        self.flare.setPen(pg.mkPen('y'))
        self.flare.setBrush(pg.mkBrush(255,150,0))
        self.flare.setZValue(-10)
        self.addItem(self.hand)
        self.addItem(self.item)
        self.addItem(self.flare)
 
        self.clock = clock
        self.i = 1
        
        self._spaceline = None
Example #8
Source File: contextMenu.py    From tf-pose with Apache License 2.0 5 votes vote down vote up 
def boundingRect(self):
        return QtCore.QRectF(0, 0, 10, 10)
Example #9
Source File: plotly_test.py    From VNect-tensorflow with Apache License 2.0 5 votes vote down vote up 
def __init__(self, parent=None):
        super(App, self).__init__(parent)

        #### Create Gui Elements ###########
        self.mainbox = QtGui.QWidget()
        self.setCentralWidget(self.mainbox)
        self.mainbox.setLayout(QtGui.QVBoxLayout())

        self.canvas = pg.GraphicsLayoutWidget()
        self.mainbox.layout().addWidget(self.canvas)

        self.label = QtGui.QLabel()
        self.mainbox.layout().addWidget(self.label)

        self.view = self.canvas.addViewBox()
        self.view.setAspectLocked(True)
        self.view.setRange(QtCore.QRectF(0,0, 100, 100))

        #  image plot
        self.img = pg.ImageItem(border='w')
        self.view.addItem(self.img)

        self.canvas.nextRow()
        #  line plot
        self.otherplot = self.canvas.addPlot()
        self.h2 = self.otherplot.plot(pen='y')


        #### Set Data  #####################

        self.x = np.linspace(0,50., num=100)
        self.X,self.Y = np.meshgrid(self.x,self.x)

        self.counter = 0
        self.fps = 0.
        self.lastupdate = time.time()

        #### Start  #####################
        self._update()
Example #10
Source File: OrthoImageItem.py    From rapidtide with Apache License 2.0 5 votes vote down vote up 
def newViewWindow(view, xdim, ydim, left, top, impixpervoxx, impixpervoxy, imgsize, enableMouse=False):
    theviewbox = view.addViewBox(enableMouse=enableMouse, enableMenu=False, lockAspect=1.0)
    theviewbox.setAspectLocked()
    theviewbox.setRange(QtCore.QRectF(0, 0, imgsize, imgsize), padding=0., disableAutoRange=True)
    theviewbox.setBackgroundColor([50, 50, 50])

    theviewfgwin = pg.ImageItem()
    theviewbox.addItem(theviewfgwin)
    theviewfgwin.setZValue(10)
    theviewfgwin.translate(left, top)
    theviewfgwin.scale(impixpervoxx, impixpervoxy)

    theviewbgwin = pg.ImageItem()
    theviewbox.addItem(theviewbgwin)
    theviewbgwin.setZValue(0)
    theviewbgwin.translate(left, top)
    theviewbgwin.scale(impixpervoxx, impixpervoxy)

    theviewvLine = pg.InfiniteLine(angle=90, movable=False, pen='g')
    theviewvLine.setZValue(20)
    theviewbox.addItem(theviewvLine)
    theviewhLine = pg.InfiniteLine(angle=0, movable=False, pen='g')
    theviewhLine.setZValue(20)
    theviewbox.addItem(theviewhLine)

    return theviewfgwin, theviewbgwin, theviewvLine, theviewhLine, theviewbox
Example #11
Source File: pyoptic.py    From qgisSpaceSyntaxToolkit with GNU General Public License v3.0 5 votes vote down vote up 
def boundingRect(self):
        return QtCore.QRectF()
Example #12
Source File: pyoptic.py    From qgisSpaceSyntaxToolkit with GNU General Public License v3.0 5 votes vote down vote up 
def mkPath(self):
        self.prepareGeometryChange()
        r = self.r
        d = self.d
        h2 = d/2.
        self.path = QtGui.QPainterPath()
        if r == 0:  ## flat surface
            self.path.moveTo(0, h2)
            self.path.lineTo(0, -h2)
        else:
            ## half-height of surface can't be larger than radius
            h2 = min(h2, abs(r))
            
            #dx = abs(r) - (abs(r)**2 - abs(h2)**2)**0.5
            #p.moveTo(-d*w/2.+ d*dx, d*h2)
            arc = QtCore.QRectF(0, -r, r*2, r*2)
            #self.surfaces.append((arc.center(), r, h2))
            a1 = np.arcsin(h2/r) * 180. / np.pi
            a2 = -2*a1
            a1 += 180.
            self.path.arcMoveTo(arc, a1)
            self.path.arcTo(arc, a1, a2)
            #if d == -1:
                #p1 = QtGui.QPainterPath()
                #p1.addRect(arc)
                #self.paths.append(p1)
        self.h2 = h2
Example #13
Source File: GraphicsScene.py    From qgisSpaceSyntaxToolkit with GNU General Public License v3.0 5 votes vote down vote up 
def boundingRect(self):
        return QtCore.QRectF(0, 0, 20, 20)
Example #14
Source File: relativity.py    From qgisSpaceSyntaxToolkit with GNU General Public License v3.0 5 votes vote down vote up 
def __init__(self, clock):
        pg.ItemGroup.__init__(self)
        self.size = clock.size
        self.item = QtGui.QGraphicsEllipseItem(QtCore.QRectF(0, 0, self.size, self.size))
        self.item.translate(-self.size*0.5, -self.size*0.5)
        self.item.setPen(pg.mkPen(100,100,100))
        self.item.setBrush(clock.brush)
        self.hand = QtGui.QGraphicsLineItem(0, 0, 0, self.size*0.5)
        self.hand.setPen(pg.mkPen('w'))
        self.hand.setZValue(10)
        self.flare = QtGui.QGraphicsPolygonItem(QtGui.QPolygonF([
            QtCore.QPointF(0, -self.size*0.25),
            QtCore.QPointF(0, self.size*0.25),
            QtCore.QPointF(self.size*1.5, 0),
            QtCore.QPointF(0, -self.size*0.25),
            ]))
        self.flare.setPen(pg.mkPen('y'))
        self.flare.setBrush(pg.mkBrush(255,150,0))
        self.flare.setZValue(-10)
        self.addItem(self.hand)
        self.addItem(self.item)
        self.addItem(self.flare)
 
        self.clock = clock
        self.i = 1
        
        self._spaceline = None
Example #15
Source File: contextMenu.py    From qgisSpaceSyntaxToolkit with GNU General Public License v3.0 5 votes vote down vote up 
def boundingRect(self):
        return QtCore.QRectF(0, 0, 10, 10)