- Fixed issue with numpy.concatenate wrapper

- ConsoleWidget now correctly catches its own exceptions
- Fixed ViewBox auto-scaling bug
- Fixed functions.siEval not parsing units correctly
- Fixed bug caused when opengl GL_VERSION_STR is None

console/Console.py

@@ -217,6 +217,7 @@ class ConsoleWidget(QtGui.QWidget):
         for l in tb.split('\n'):
             lines.append(" "*indent + prefix + l)
         self.write('\n'.join(lines))
+        self.exceptionHandler(*sys.exc_info())
         
     def cmdSelected(self, item):
         index = -(self.ui.historyList.row(item)+1)
@@ -314,6 +315,8 @@ class ConsoleWidget(QtGui.QWidget):
     def exceptionHandler(self, excType, exc, tb):
         if self.ui.catchNextExceptionBtn.isChecked():
             self.ui.catchNextExceptionBtn.setChecked(False)
+        elif not self.ui.catchAllExceptionsBtn.isChecked():
+            return
         
         self.ui.clearExceptionBtn.setEnabled(True)
         self.currentTraceback = tb

examples/crosshair.py

 import initExample ## Add path to library (just for examples; you do not need this)
 import numpy as np
+import scipy.ndimage as ndi
 import pyqtgraph as pg
 from pyqtgraph.Qt import QtGui, QtCore
 from pyqtgraph.Point import Point
@@ -11,22 +12,38 @@ label = pg.LabelItem(justify='right')
 win.addItem(label)
 p1 = win.addPlot(row=1, col=0)
 p2 = win.addPlot(row=2, col=0)
+
 region = pg.LinearRegionItem()
 region.setZValue(10)
 p2.addItem(region)
 
+#pg.dbg()
+p1.setAutoVisible(y=True)
+
+
 #create numpy arrays
 #make the numbers large to show that the xrange shows data from 10000 to all the way 0
-data1 = 10000 + 3000 * np.random.random(size=10000)
-data2 = 15000 + 3000 * np.random.random(size=10000)
+data1 = 10000 + 15000 * ndi.gaussian_filter(np.random.random(size=10000), 10) + 3000 * np.random.random(size=10000)
+data2 = 15000 + 15000 * ndi.gaussian_filter(np.random.random(size=10000), 10) + 3000 * np.random.random(size=10000)
 
 p1.plot(data1, pen="r")
 p1.plot(data2, pen="g")
+
 p2.plot(data1, pen="w")
 
 def update():
-    p1.setXRange(*region.getRegion())
+    region.setZValue(10)
+    minX, maxX = region.getRegion()
+    p1.setXRange(minX, maxX, padding=0)    
+
 region.sigRegionChanged.connect(update)
+
+def updateRegion(window, viewRange):
+    rgn = viewRange[0]
+    region.setRegion(rgn)
+
+p1.sigRangeChanged.connect(updateRegion)
+
 region.setRegion([1000, 2000])
 
 #cross hair
@@ -34,6 +51,8 @@ vLine = pg.InfiniteLine(angle=90, movable=False)
 hLine = pg.InfiniteLine(angle=0, movable=False)
 p1.addItem(vLine, ignoreBounds=True)
 p1.addItem(hLine, ignoreBounds=True)
+
+
 vb = p1.vb
 
 def mouseMoved(evt):
@@ -45,6 +64,9 @@ def mouseMoved(evt):
             label.setText("<span style='font-size: 12pt'>x=%0.1f,   <span style='color: red'>y1=%0.1f</span>,   <span style='color: green'>y2=%0.1f</span>" % (mousePoint.x(), data1[index], data2[index]))
         vLine.setPos(mousePoint.x())
         hLine.setPos(mousePoint.y())
+
+
+
 proxy = pg.SignalProxy(p1.scene().sigMouseMoved, rateLimit=60, slot=mouseMoved)
 #p1.scene().sigMouseMoved.connect(mouseMoved)
 
@@ -52,4 +74,4 @@ proxy = pg.SignalProxy(p1.scene().sigMouseMoved, rateLimit=60, slot=mouseMoved)
 ## Start Qt event loop unless running in interactive mode or using pyside.
 import sys
 if (sys.flags.interactive != 1) or not hasattr(QtCore, 'PYQT_VERSION'):
-    app.exec_()
\ No newline at end of file
+    app.exec_()

functions.py

@@ -116,7 +116,7 @@ def siEval(s):
     """
     
     s = asUnicode(s)
-    m = re.match(r'(-?((\d+(\.\d*)?)|(\.\d+))([eE]-?\d+)?)\s*([u' + SI_PREFIXES + r']?)$', s)
+    m = re.match(r'(-?((\d+(\.\d*)?)|(\.\d+))([eE]-?\d+)?)\s*([u' + SI_PREFIXES + r']?).*$', s)
     if m is None:
         raise Exception("Can't convert string '%s' to number." % s)
     v = float(m.groups()[0])

graphicsItems/ViewBox/ViewBox.py

@@ -532,7 +532,7 @@ class ViewBox(GraphicsWidget):
             if type(fractionVisible[i]) is bool:
                 fractionVisible[i] = 1.0
 
-        childRect = None
+        childRange = None
 
         order = [0,1]
         if self.state['autoVisibleOnly'][0] is True:
@@ -545,40 +545,48 @@ class ViewBox(GraphicsWidget):
             if self.state['autoVisibleOnly'][ax]:
                 oRange = [None, None]
                 oRange[ax] = targetRect[1-ax]
-                childRect = self.childrenBoundingRect(frac=fractionVisible, orthoRange=oRange)
+                childRange = self.childrenBounds(frac=fractionVisible, orthoRange=oRange)
                 
             else:
-                if childRect is None:
-                    childRect = self.childrenBoundingRect(frac=fractionVisible)
-
-            if ax == 0:
-                ## Make corrections to X range
+                if childRange is None:
+                    childRange = self.childrenBounds(frac=fractionVisible)
+            
+            ## Make corrections to range
+            xr = childRange[ax]
+            if xr is not None:
                 if self.state['autoPan'][0]:
-                    x = childRect.center().x()
+                    x = sum(xr) * 0.5
+                    #x = childRect.center().x()
                     w2 = (targetRect[0][1]-targetRect[0][0]) / 2.
-                    childRect.setLeft(x-w2)
-                    childRect.setRight(x+w2)
-                else:
-                    wp = childRect.width() * 0.02
-                    childRect = childRect.adjusted(-wp, 0, wp, 0)
-                    
-                targetRect[0][0] = childRect.left()
-                targetRect[0][1] = childRect.right()
-                args['xRange'] = targetRect[0]
-            else:
-                ## Make corrections to Y range
-                if self.state['autoPan'][1]:
-                    y = childRect.center().y()
-                    h2 = (targetRect[1][1]-targetRect[1][0]) / 2.
-                    childRect.setTop(y-h2)
-                    childRect.setBottom(y+h2)
+                    #childRect.setLeft(x-w2)
+                    #childRect.setRight(x+w2)
+                    childRange[ax] = [x-w2, x+w2]
                 else:
-                    hp = childRect.height() * 0.02
-                    childRect = childRect.adjusted(0, -hp, 0, hp)
+                    #wp = childRect.width() * 0.02
+                    wp = (xr[1] - xr[0]) * 0.02
+                    #childRect = childRect.adjusted(-wp, 0, wp, 0)
+                    childRange[ax][0] -= wp
+                    childRange[ax][1] += wp
+                #targetRect[ax][0] = childRect.left()
+                #targetRect[ax][1] = childRect.right()
+                targetRect[ax] = childRange[ax]
+                args['xRange' if ax == 0 else 'yRange'] = targetRect[ax]
+            #else:
+                ### Make corrections to Y range
+                #if self.state['autoPan'][1]:
+                    #y = childRect.center().y()
+                    #h2 = (targetRect[1][1]-targetRect[1][0]) / 2.
+                    #childRect.setTop(y-h2)
+                    #childRect.setBottom(y+h2)
+                #else:
+                    #hp = childRect.height() * 0.02
+                    #childRect = childRect.adjusted(0, -hp, 0, hp)
                     
-                targetRect[1][0] = childRect.top()
-                targetRect[1][1] = childRect.bottom()
-                args['yRange'] = targetRect[1]
+                #targetRect[1][0] = childRect.top()
+                #targetRect[1][1] = childRect.bottom()
+                #args['yRange'] = targetRect[1]
+        if len(args) == 0:
+            return
         args['padding'] = 0
         args['disableAutoRange'] = False
         #self.setRange(xRange=targetRect[0], yRange=targetRect[1], padding=0, disableAutoRange=False)
@@ -689,14 +697,14 @@ class ViewBox(GraphicsWidget):
                 overlap = min(sg.bottom(), vg.bottom()) - max(sg.top(), vg.top())
                 if overlap < min(vg.height()/3, sg.height()/3):  ## if less than 1/3 of views overlap, 
                                                                ## then just replicate the view
-                    x1 = vr.top()
-                    x2 = vr.bottom()
+                    y1 = vr.top()
+                    y2 = vr.bottom()
                 else:  ## views overlap; line them up
                     upp = float(vr.height()) / vg.height()
-                    x1 = vr.top() + (sg.y()-vg.y()) * upp
-                    x2 = x1 + sg.height() * upp
+                    y2 = vr.bottom() - (sg.y()-vg.y()) * upp
+                    y1 = y2 - sg.height() * upp
                 self.enableAutoRange(ViewBox.YAxis, False)
-                self.setYRange(x1, x2, padding=0)
+                self.setYRange(y1, y2, padding=0)
         finally:
             view.blockLink(False)
         
@@ -984,8 +992,8 @@ class ViewBox(GraphicsWidget):
         return children
         
         
-        
-    def childrenBoundingRect(self, frac=None, orthoRange=(None,None)):
+    
+    def childrenBounds(self, frac=None, orthoRange=(None,None)):
         """Return the bounding range of all children.
         [[xmin, xmax], [ymin, ymax]]
         Values may be None if there are no specific bounds for an axis.
@@ -1052,22 +1060,18 @@ class ViewBox(GraphicsWidget):
             if useY:
                 if range[1] is not None:
                     range[1] = [min(bounds.top(), range[1][0]), max(bounds.bottom(), range[1][1])]
-                    #bounds.setTop(min(bounds.top(), chb.top()))
-                    #bounds.setBottom(max(bounds.bottom(), chb.bottom()))
                 else:
                     range[1] = [bounds.top(), bounds.bottom()]
-                    #bounds.setTop(chb.top())
-                    #bounds.setBottom(chb.bottom())
             if useX:
                 if range[0] is not None:
                     range[0] = [min(bounds.left(), range[0][0]), max(bounds.right(), range[0][1])]
-                    #bounds.setLeft(min(bounds.left(), chb.left()))
-                    #bounds.setRight(max(bounds.right(), chb.right()))
                 else:
                     range[0] = [bounds.left(), bounds.right()]
-                    #bounds.setLeft(chb.left())
-                    #bounds.setRight(chb.right())
         
+        return range
+        
+    def childrenBoundingRect(self, *args, **kwds):
+        range = self.childrenBounds(*args, **kwds)
         tr = self.targetRange()
         if range[0] is None:
             range[0] = tr[0]

numpy_fix.py

@@ -5,15 +5,15 @@ try:
     ## (numpy trac issue #2084)
     if not hasattr(np, 'concatenate_orig'):
         np.concatenate_orig = np.concatenate
-    def concatenate(vals, **kwds):
+    def concatenate(vals, *args, **kwds):
         """Wrapper around numpy.concatenate (see pyqtgraph/numpy_fix.py)"""
         dtypes = [getattr(v, 'dtype', None) for v in vals]
         names = [getattr(dt, 'names', None) for dt in dtypes]
         if len(dtypes) < 2 or all([n is None for n in names]):
-            return np.concatenate_orig(vals, **kwds)
+            return np.concatenate_orig(vals, *args, **kwds)
         if any([dt != dtypes[0] for dt in dtypes[1:]]):
             raise TypeError("Cannot concatenate structured arrays of different dtype.")
-        return np.concatenate_orig(vals, **kwds)
+        return np.concatenate_orig(vals, *args, **kwds)
     
     np.concatenate = concatenate
     

opengl/GLViewWidget.py

@@ -109,11 +109,13 @@ class GLViewWidget(QtOpenGL.QGLWidget):
                     import pyqtgraph.debug
                     pyqtgraph.debug.printExc()
                     msg = "Error while drawing item %s." % str(item)
-                    ver = glGetString(GL_VERSION).split()[0]
-                    if int(ver.split('.')[0]) < 2:
-                        print(msg + " The original exception is printed above; however, pyqtgraph requires OpenGL version 2.0 or greater for many of its 3D features and your OpenGL version is %s. Installing updated display drivers may resolve this issue." % ver)
-                    else:
-                        print(msg)
+                    ver = glGetString(GL_VERSION)
+                    if ver is not None:
+                        ver = ver.split()[0]
+                        if int(ver.split('.')[0]) < 2:
+                            print(msg + " The original exception is printed above; however, pyqtgraph requires OpenGL version 2.0 or greater for many of its 3D features and your OpenGL version is %s. Installing updated display drivers may resolve this issue." % ver)
+                        else:
+                            print(msg)
                     
                 finally:
                     glPopAttrib()