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Diffstat (limited to 'silx/gui/plot/_utils/__init__.py')
| -rw-r--r-- | silx/gui/plot/_utils/__init__.py | 93 |
1 files changed, 0 insertions, 93 deletions
diff --git a/silx/gui/plot/_utils/__init__.py b/silx/gui/plot/_utils/__init__.py deleted file mode 100644 index 3c2dfa4..0000000 --- a/silx/gui/plot/_utils/__init__.py +++ /dev/null @@ -1,93 +0,0 @@ -# coding: utf-8 -# /*########################################################################## -# -# Copyright (c) 2004-2017 European Synchrotron Radiation Facility -# -# Permission is hereby granted, free of charge, to any person obtaining a copy -# of this software and associated documentation files (the "Software"), to deal -# in the Software without restriction, including without limitation the rights -# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -# copies of the Software, and to permit persons to whom the Software is -# furnished to do so, subject to the following conditions: -# -# The above copyright notice and this permission notice shall be included in -# all copies or substantial portions of the Software. -# -# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN -# THE SOFTWARE. -# -# ###########################################################################*/ -"""Miscellaneous utility functions for the Plot""" - -__authors__ = ["T. Vincent"] -__license__ = "MIT" -__date__ = "21/03/2017" - - -import numpy - -from .panzoom import FLOAT32_SAFE_MIN, FLOAT32_MINPOS, FLOAT32_SAFE_MAX -from .panzoom import applyZoomToPlot, applyPan - - -def addMarginsToLimits(margins, isXLog, isYLog, - xMin, xMax, yMin, yMax, y2Min=None, y2Max=None): - """Returns updated limits by extending them with margins. - - :param margins: The ratio of the margins to add or None for no margins. - :type margins: A 4-tuple of floats as - (xMinMargin, xMaxMargin, yMinMargin, yMaxMargin) - - :return: The updated limits - :rtype: tuple of 4 or 6 floats: Either (xMin, xMax, yMin, yMax) or - (xMin, xMax, yMin, yMax, y2Min, y2Max) if y2Min and y2Max - are provided. - """ - if margins is not None: - xMinMargin, xMaxMargin, yMinMargin, yMaxMargin = margins - - if not isXLog: - xRange = xMax - xMin - xMin -= xMinMargin * xRange - xMax += xMaxMargin * xRange - - elif xMin > 0. and xMax > 0.: # Log scale - # Do not apply margins if limits < 0 - xMinLog, xMaxLog = numpy.log10(xMin), numpy.log10(xMax) - xRangeLog = xMaxLog - xMinLog - xMin = pow(10., xMinLog - xMinMargin * xRangeLog) - xMax = pow(10., xMaxLog + xMaxMargin * xRangeLog) - - if not isYLog: - yRange = yMax - yMin - yMin -= yMinMargin * yRange - yMax += yMaxMargin * yRange - elif yMin > 0. and yMax > 0.: # Log scale - # Do not apply margins if limits < 0 - yMinLog, yMaxLog = numpy.log10(yMin), numpy.log10(yMax) - yRangeLog = yMaxLog - yMinLog - yMin = pow(10., yMinLog - yMinMargin * yRangeLog) - yMax = pow(10., yMaxLog + yMaxMargin * yRangeLog) - - if y2Min is not None and y2Max is not None: - if not isYLog: - yRange = y2Max - y2Min - y2Min -= yMinMargin * yRange - y2Max += yMaxMargin * yRange - elif y2Min > 0. and y2Max > 0.: # Log scale - # Do not apply margins if limits < 0 - yMinLog, yMaxLog = numpy.log10(y2Min), numpy.log10(y2Max) - yRangeLog = yMaxLog - yMinLog - y2Min = pow(10., yMinLog - yMinMargin * yRangeLog) - y2Max = pow(10., yMaxLog + yMaxMargin * yRangeLog) - - if y2Min is None or y2Max is None: - return xMin, xMax, yMin, yMax - else: - return xMin, xMax, yMin, yMax, y2Min, y2Max - |