83 lines
2.9 KiB
Python
83 lines
2.9 KiB
Python
# =============================================================================
|
|
# Copyright (C) 2010 Diego Duclos
|
|
#
|
|
# This file is part of pyfa.
|
|
#
|
|
# pyfa is free software: you can redistribute it and/or modify
|
|
# it under the terms of the GNU General Public License as published by
|
|
# the Free Software Foundation, either version 3 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# pyfa is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with pyfa. If not, see <http://www.gnu.org/licenses/>.
|
|
# =============================================================================
|
|
|
|
|
|
import math
|
|
from abc import ABCMeta, abstractmethod
|
|
|
|
|
|
class PointGetter(metaclass=ABCMeta):
|
|
|
|
def __init__(self, graph):
|
|
self.graph = graph
|
|
|
|
@abstractmethod
|
|
def getRange(self, mainParamRange, miscParams, fit, tgt):
|
|
raise NotImplementedError
|
|
|
|
@abstractmethod
|
|
def getPoint(self, mainParam, miscParams, fit, tgt):
|
|
raise NotImplementedError
|
|
|
|
|
|
class SmoothPointGetter(PointGetter, metaclass=ABCMeta):
|
|
|
|
def __init__(self, graph, baseResolution=200):
|
|
super().__init__(graph)
|
|
self._baseResolution = baseResolution
|
|
|
|
def getRange(self, mainParamRange, miscParams, fit, tgt):
|
|
xs = []
|
|
ys = []
|
|
commonData = self._getCommonData(miscParams=miscParams, fit=fit, tgt=tgt)
|
|
for x in self._iterLinear(mainParamRange[1]):
|
|
y = self._calculatePoint(x=x, miscParams=miscParams, fit=fit, tgt=tgt, commonData=commonData)
|
|
xs.append(x)
|
|
ys.append(y)
|
|
return xs, ys
|
|
|
|
def getPoint(self, mainParam, miscParams, fit, tgt):
|
|
commonData = self._getCommonData(miscParams=miscParams, fit=fit, tgt=tgt)
|
|
x = mainParam[1]
|
|
y = self._calculatePoint(x=x, miscParams=miscParams, fit=fit, tgt=tgt, commonData=commonData)
|
|
return x, y
|
|
|
|
def _iterLinear(self, valRange):
|
|
rangeLow = min(valRange)
|
|
rangeHigh = max(valRange)
|
|
# Resolution defines amount of ranges between points here,
|
|
# not amount of points
|
|
step = (rangeHigh - rangeLow) / self._baseResolution
|
|
if step == 0 or math.isnan(step):
|
|
yield rangeLow
|
|
else:
|
|
current = rangeLow
|
|
# Take extra half step to make sure end of range is always included
|
|
# despite any possible float errors
|
|
while current <= (rangeHigh + step / 2):
|
|
yield current
|
|
current += step
|
|
|
|
def _getCommonData(self, miscParams, fit, tgt):
|
|
return {}
|
|
|
|
@abstractmethod
|
|
def _calculatePoint(self, x, miscParams, fit, tgt, commonData):
|
|
raise NotImplementedError
|