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24b26317c7
Note: Ndiff build will be broken until subsequent changes are made. Deprecation warnings will need to be addressed in future changes. Closes #2088
160 lines
7.3 KiB
Python
160 lines
7.3 KiB
Python
# vim: set fileencoding=utf-8 :
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# ***********************IMPORTANT NMAP LICENSE TERMS************************
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# * *
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# * The Nmap Security Scanner is (C) 1996-2022 Nmap Software LLC ("The Nmap *
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# * Project"). Nmap is also a registered trademark of the Nmap Project. *
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# * *
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# * This program is distributed under the terms of the Nmap Public Source *
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# * License (NPSL). The exact license text applying to a particular Nmap *
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# * release or source code control revision is contained in the LICENSE *
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# * file distributed with that version of Nmap or source code control *
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# * revision. More Nmap copyright/legal information is available from *
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# * https://nmap.org/book/man-legal.html, and further information on the *
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# * NPSL license itself can be found at https://nmap.org/npsl/ . This *
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# * header summarizes some key points from the Nmap license, but is no *
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# * substitute for the actual license text. *
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# * *
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# * Nmap is generally free for end users to download and use themselves, *
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# * including commercial use. It is available from https://nmap.org. *
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# * *
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# * The Nmap license generally prohibits companies from using and *
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# * redistributing Nmap in commercial products, but we sell a special Nmap *
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# * OEM Edition with a more permissive license and special features for *
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# * this purpose. See https://nmap.org/oem/ *
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# * *
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# * If you have received a written Nmap license agreement or contract *
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# * stating terms other than these (such as an Nmap OEM license), you may *
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# * choose to use and redistribute Nmap under those terms instead. *
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# * *
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# * The official Nmap Windows builds include the Npcap software *
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# * (https://npcap.com) for packet capture and transmission. It is under *
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# * separate license terms which forbid redistribution without special *
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# * permission. So the official Nmap Windows builds may not be *
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# * redistributed without special permission (such as an Nmap OEM *
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# * license). *
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# * *
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# * Source is provided to this software because we believe users have a *
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# * right to know exactly what a program is going to do before they run it. *
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# * This also allows you to audit the software for security holes. *
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# * *
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# * Source code also allows you to port Nmap to new platforms, fix bugs, *
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# * and add new features. You are highly encouraged to submit your *
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# * changes as a Github PR or by email to the dev@nmap.org mailing list *
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# * for possible incorporation into the main distribution. Unless you *
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# * specify otherwise, it is understood that you are offering us very *
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# * broad rights to use your submissions as described in the Nmap Public *
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# * Source License Contributor Agreement. This is important because we *
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# * fund the project by selling licenses with various terms, and also *
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# * because the inability to relicense code has caused devastating *
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# * problems for other Free Software projects (such as KDE and NASM). *
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# * *
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# * The free version of Nmap is distributed in the hope that it will be *
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# * useful, but WITHOUT ANY WARRANTY; without even the implied warranty of *
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# * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. Warranties, *
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# * indemnification and commercial support are all available through the *
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# * Npcap OEM program--see https://nmap.org/oem/ *
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# * *
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# ***************************************************************************/
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class Linear2DInterpolator:
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"""
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Implements a bidimensional linear interpolator.
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"""
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def __init__(self):
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"""
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Constructor method of Linear2DInterpolator class
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"""
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self.__start_point = (0, 0)
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"""Initial point of interpolation"""
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self.__final_point = (0, 0)
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"""Final point of interpolation"""
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self.__interpolated_points = []
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"""Interpolated points vector"""
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def set_start_point(self, a, b):
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"""
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Set initial coordinate
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Set final coordinate
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@type a: number
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@param a: The first component of final point
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@type b: number
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@param b: The second component of final point
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"""
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self.__start_point = (a, b)
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def set_final_point(self, a, b):
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"""
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Set final coordinate
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@type a: number
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@param a: The first component of final point
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@type b: number
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@param b: The second component of final point
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"""
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self.__final_point = (a, b)
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def get_weighed_points(self, number_of_pass, pass_vector):
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"""
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Return the vector of coordinates between the initial and final
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coordinates with the specified size
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@type number_of_pass: number
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@param number_of_pass: The number of pass of interpolation
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@rtype: list
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@return: A list of tuples with interpolated points
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"""
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(ai, bi) = self.__start_point
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(af, bf) = self.__final_point
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a_conversion_factor = float(af - ai) / sum(pass_vector)
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b_conversion_factor = float(bf - bi) / sum(pass_vector)
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a_pass = 0
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b_pass = 0
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self.__interpolated_points = list(range(number_of_pass))
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for i in range(0, number_of_pass):
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a_pass += pass_vector[i] * a_conversion_factor
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b_pass += pass_vector[i] * b_conversion_factor
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self.__interpolated_points[i] = (ai + a_pass, bi + b_pass)
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return self.__interpolated_points
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def get_points(self, number_of_pass):
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"""
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Return the vector of coordinates between the initial and final
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coordinates with the specified size
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@type number_of_pass: number
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@param number_of_pass: The number of pass of interpolation
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@rtype: list
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@return: A list of tuples with interpolated points
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"""
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(ai, bi) = self.__start_point
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(af, bf) = self.__final_point
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a_pass = float(af - ai) / number_of_pass
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b_pass = float(bf - bi) / number_of_pass
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self.__interpolated_points = list(range(number_of_pass))
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for i in range(1, number_of_pass + 1):
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self.__interpolated_points[i - 1] = (ai + a_pass * i,
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bi + b_pass * i)
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return self.__interpolated_points
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if __name__ == "__main__":
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# Testing application
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i = Linear2DInterpolator()
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i.set_start_point(0, 0)
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i.set_final_point(1, 1)
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print(len(i.get_points(10)), i.get_points(10))
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