def _update_cb(self, sender, ins_param, val):
if ins_param not in self._watch:
return
info = self._watch[ins_param]
ins = info['instrument']
param = info['parameter']
strval = qt.format_parameter_value(info['options'], val)
self._tree_model.set(info['iter'], 2, strval)
if not info.get('graph', False):
return
cols = self._get_ncols(info, val)
plotname = 'watch_%s.%s' % (ins.get_name(), param)
# Create temp file and setup plotting
if 'tempfile' not in info:
info['tempfile'] = temp.File(mode='w')
cmd = 'qt.plot_file("%s", name="%s", clear=True)' % (
info['tempfile'].name, plotname)
qt.cmd(cmd, callback=lambda *x: True)
for i in range(cols - 2):
cmd = 'qt.plot_file("%s", name="%s", valdim=%d)' % (
info['tempfile'].name, plotname, i + 2)
qt.cmd(cmd, callback=lambda *x: True)
else:
info['tempfile'].reopen()
# Allocate array, fill xs and ys with first point, shift otherwise
if 'data' not in info or info['data'] is None:
d = np.ones([info['points'], cols])
info['data'] = d
r = self._get_row(info, val)
for i in range(cols):
d[:, i] = r[i]
else:
info['data'][:-1, :] = info['data'][1:, :]
r = self._get_row(info, val, prevrow=info['data'][-2, :])
info['data'][-1, :] = r
np.savetxt(info['tempfile'].get_file(), info['data'])
info['tempfile'].close()
cmd = 'qt.plots["%s"].update()' % (plotname, )
qt.cmd(cmd)
def _update_cb(self, sender, ins_param, val):
if ins_param not in self._watch:
return
info = self._watch[ins_param]
ins = info['instrument']
param = info['parameter']
strval = qt.format_parameter_value(info['options'], val)
self._tree_model.set(info['iter'], 2, strval)
if not info.get('graph', False):
return
plotname = 'watch_%s.%s' % (ins.get_name(), param)
if 'data' not in info or info['data'] is None:
cols = self._get_ncols(info, val)
d = np.zeros([info['points'], cols], dtype=np.float)
r = self._get_row(info, val)
d[0, :] = self._get_row(info, val)
info['data'] = d
info['tempfile'] = temp.File(mode='w')
cmd = 'qt.plot_file("%s", name="%s", clear=True)' % (
info['tempfile'].name, plotname)
qt.cmd(cmd, callback=lambda *x: do_print(x))
for i in range(cols - 2):
cmd = 'qt.plot_file("%s", name="%s", valdim=%d)' % (
info['tempfile'].name, plotname, i + 2)
qt.cmd(cmd, callback=lambda *x: do_print(x))
else:
info['tempfile'].reopen()
info['data'][0:-1, :] = info['data'][1:, :]
r = self._get_row(info, val, prevrow=info['data'][-2, :])
info['data'][-1, :] = self._get_row(info,
val,
prevrow=info['data'][-2, :])
np.savetxt(info['tempfile'].get_file(), info['data'])
info['tempfile'].close()
cmd = 'qt.plots["%s"].update()' % (plotname, )
qt.cmd(cmd)
def create_tempfile(self, path=None):
'''
Create a temporary file, optionally called <path>.
'''
if self._temp_binary:
mode = 'wb'
else:
mode = 'w'
self._file = temp.File(path, mode=mode, binary=self._temp_binary)
try:
if self._temp_binary:
ret = self._write_binary()
else:
self._write_data()
self._dir, self._filename = os.path.split(self._file.name)
self._file.close()
self._tempfile = True
except Exception, e:
logging.warning('Error creating temporary file: %s', e)
self._dir = ''
self._filename = ''
self._tempfile = False