proc_func.py
1.33 KB
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title = "Function"
tip = "apply numpy function to map"
onein = True
import numpy as np
from guidata.qt.QtGui import QMessageBox
from guidata.dataset.datatypes import DataSet
from guidata.dataset.dataitems import (IntItem, StringItem, ChoiceItem, FloatItem, BoolItem)
from guiqwt.config import _
class NOD3_App:
def __init__(self, parent):
self.parent = parent
self.parent.activateWindow()
def Error(self, msg):
QMessageBox.critical(self.parent.parent(), title,
_(u"Error:")+"\n%s" % str(msg))
def compute_app(self, **args):
class FuncParam(DataSet):
func = StringItem('Function', notempty=True)
name = title.replace(" ", "")
descript = "Apply numpy (np) function to data, eg. np.sqrt(data)"
if args == {}:
param = FuncParam(_(title), descript)
else:
param = self.parent.ScriptParameter(name, args)
# if no parameter needed set param to None. activate next line
#param = None
self.parent.compute_11(name, lambda m, p: self.function(m, p), param, onein)
def function(self, m, p):
data = 1*m.data
try:
m.data = eval(p.func)
return m, p
except:
self.Error(str("Function %s not valid, check syntax" % p.func))
return [], p