本文整理汇总了Python中gda.epics.CAClient.cagetArrayByte方法的典型用法代码示例。如果您正苦于以下问题:Python CAClient.cagetArrayByte方法的具体用法?Python CAClient.cagetArrayByte怎么用?Python CAClient.cagetArrayByte使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类gda.epics.CAClient
的用法示例。
在下文中一共展示了CAClient.cagetArrayByte方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: WaveformPlotterClass
# 需要导入模块: from gda.epics import CAClient [as 别名]
# 或者: from gda.epics.CAClient import cagetArrayByte [as 别名]
class WaveformPlotterClass(object):
def __init__(self, name, waveformPV, viewPanelName="Plot 2"):
self.name = name;
self.delay=1;
self.chData=CAClient(waveformPV);
self.configChannel(self.chData);
self.width = 1024;
self.height=768;
self.panel=viewPanelName
def __del__(self):
self.cleanChannel(self.chData);
def configChannel(self, channel):
if not channel.isConfigured():
channel.configure();
def cleanChannel(self, channel):
if channel.isConfigured():
channel.clearup();
def setShape(self, width, height):
self.width = width
self.height = height
# Data from EPICS is signed
def imagePlot0(self, panel=None):
if panel is None:
panel=self.panel;
da=self.chData.cagetArrayByte()
ds = ByteDataset.createFromObject(da);
newds=ds.reshape([self.height, self.width]);
SDAPlotter.imagePlot(panel, newds);
#Fast to get unsigned Byte from EPICS and plot
def imagePlot(self, panel=None):
if panel is None:
panel=self.panel;
da=self.chData.cagetArrayUnsigned();
ds = IntegerDataset.createFromObject(da);
newds=ds.reshape([self.height, self.width]);
SDAPlotter.imagePlot(panel, newds);
#Slow because of the signed to unsigned conversion
def imagePlot2(self, panel=None):
if panel is None:
panel=self.panel;
da=self.chData.cagetArrayByte();
#To convert from singed to unsigned
#method 2
da=[x&0xff for x in da]
#method 3
# ds1=array.array('B' [x&0xff for x in ds1] )
ds = IntegerDataset.createFromObject(da);
newds=ds.reshape([self.height, self.width]);
SDAPlotter.imagePlot(panel, newds);