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fixed some bugs in ScatterPlot's handling of meta-data

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This commit is contained in:
Luke Campagnola 2012-04-22 13:07:50 -04:00
parent e962f4b7f4
commit 2a412a3e28
1 changed files with 14 additions and 11 deletions
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25
graphicsItems/ScatterPlotItem.py
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@ -128,12 +128,13 @@ class ScatterPlotItem(GraphicsObject):
numPts = 0 numPts = 0
## create empty record array ## create empty record array
self.data = np.empty(numPts, dtype=[('x', float), ('y', float), ('size', float), ('symbol', 'S1'), ('pen', object), ('brush', object), ('data', object), ('spot', object)]) self.data = np.empty(numPts, dtype=[('x', float), ('y', float), ('size', float), ('symbol', 'S1'), ('pen', object), ('brush', object), ('spot', object)])
self.data['size'] = -1 ## indicates use default size self.data['size'] = -1 ## indicates use default size
self.data['symbol'] = '' self.data['symbol'] = ''
self.data['pen'] = None self.data['pen'] = None
self.data['brush'] = None self.data['brush'] = None
self.data['data'] = None self.pointData = np.empty(numPts, dtype=object)
self.pointData[:] = None
if 'spots' in kargs: if 'spots' in kargs:
spots = kargs['spots'] spots = kargs['spots']
@ -152,8 +153,10 @@ class ScatterPlotItem(GraphicsObject):
x,y = pos[0], pos[1] x,y = pos[0], pos[1]
self.data[i]['x'] = x self.data[i]['x'] = x
self.data[i]['y'] = y self.data[i]['y'] = y
elif k in ['x', 'y', 'size', 'symbol', 'data']: elif k in ['x', 'y', 'size', 'symbol']:
self.data[i][k] = spot[k] self.data[i][k] = spot[k]
elif k == 'data':
self.pointData[i] = spot[k]
else: else:
raise Exception("Unknown spot parameter: %s" % k) raise Exception("Unknown spot parameter: %s" % k)
elif 'y' in kargs: elif 'y' in kargs:
@ -167,7 +170,7 @@ class ScatterPlotItem(GraphicsObject):
setMethod = getattr(self, 'set' + k[0].upper() + k[1:]) setMethod = getattr(self, 'set' + k[0].upper() + k[1:])
setMethod(kargs[k]) setMethod(kargs[k])
if 'data' in kargs: if 'data' in kargs:
self.setPointData(kargs['data']) self.setPointData(kargs['data'])
self.updateSpots() self.updateSpots()
@ -286,7 +289,7 @@ class ScatterPlotItem(GraphicsObject):
raise Exception("Must set xy data before setting meta data.") raise Exception("Must set xy data before setting meta data.")
if len(data) != len(self.data): if len(data) != len(self.data):
raise Exception("Length of meta data does not match number of points (%d != %d)" % (len(data), len(self.data))) raise Exception("Length of meta data does not match number of points (%d != %d)" % (len(data), len(self.data)))
self.data['data'] = data self.pointData = data
self.updateSpots() self.updateSpots()
@ -385,11 +388,6 @@ class ScatterPlotItem(GraphicsObject):
symbol = self.data['symbol'].copy() symbol = self.data['symbol'].copy()
symbol[symbol==''] = self.opts['symbol'] symbol[symbol==''] = self.opts['symbol']
data = self.data['data'].copy()
if 'data' in self.opts:
data[data==None] = self.opts['data']
for i in xrange(len(self.data)): for i in xrange(len(self.data)):
s = self.data[i] s = self.data[i]
@ -399,6 +397,11 @@ class ScatterPlotItem(GraphicsObject):
else: else:
psize = size[i] psize = size[i]
if self.pointData is None or self.pointData[i] is None:
data = self.opts['data']
else:
data = self.pointData[i]
#if xmn is None: #if xmn is None:
#xmn = pos[0]-psize #xmn = pos[0]-psize
#xmx = pos[0]+psize #xmx = pos[0]+psize
@ -410,7 +413,7 @@ class ScatterPlotItem(GraphicsObject):
#ymn = min(ymn, pos[1]-psize) #ymn = min(ymn, pos[1]-psize)
#ymx = max(ymx, pos[1]+psize) #ymx = max(ymx, pos[1]+psize)
item = self.mkSpot(pos, size[i], self.opts['pxMode'], brush[i], pen[i], data[i], symbol=symbol[i], index=len(self.spots)) item = self.mkSpot(pos, size[i], self.opts['pxMode'], brush[i], pen[i], data, symbol=symbol[i], index=len(self.spots))
self.spots.append(item) self.spots.append(item)
self.data[i]['spot'] = item self.data[i]['spot'] = item
#if self.optimize: #if self.optimize: