File:Types of latitude difference.png

Contents 1 Summary 2 Source 3 Source data 4 Licensing

Summary

Source

The following gnuplot code is released under the GPL:

This work 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 2 of the License, or any later version. This work 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 version 2 and version 3 of the GNU General Public License for more details.http://www.gnu.org/licenses/gpl.htmlGPLGNU General Public Licensetruetrue

set term png small notransparent
set output "Types of latitude difference.png"

set title "Types of Latitude"
set xlabel "Common Latitude (Degrees)"
set xtics nomirror 0,5,90
set xrange [-1:91]

set ylabel "Difference from Common Latitude (Minutes)"
set ytics nomirror 0,1,12
set yrange [-1:13]

set size 0.8,0.8

set key left top

plot \
    "data_difference.dat" using 1:2 title 'Common', \
    "data_difference.dat" using 1:3 title 'Reduced', \
    "data_difference.dat" using 1:4 title 'Authalic', \
    "data_difference.dat" using 1:5 title 'Rectifying', \
    "data_difference.dat" using 1:6 title 'Conformal', \
    "data_difference.dat" using 1:7 title 'Geocentric'

Source data

The following data was taken from and saved in data_difference.dat:

0.00    0.00    0.00    0.00    0.00    0.00    0.00
5.00    0.00    1.01    1.35    1.52    2.02    2.02
10.00   0.00    1.99    2.66    2.99    3.98    3.98
15.00   0.00    2.91    3.89    4.37    5.82    5.82
20.00   0.00    3.75    5.00    5.62    7.48    7.48
25.00   0.00    4.47    5.96    6.70    8.92    8.92
30.00   0.00    5.05    6.73    7.57    10.09   10.09
35.00   0.00    5.48    7.31    8.22    10.95   10.96
40.00   0.00    5.75    7.66    8.62    11.48   11.49
45.00   0.00    5.84    7.78    8.76    11.67   11.67
50.00   0.00    5.75    7.67    8.63    11.50   11.50
55.00   0.00    5.49    7.32    8.23    10.97   10.98
60.00   0.00    5.06    6.75    7.59    10.12   10.13
65.00   0.00    4.48    5.97    6.72    8.95    8.96
70.00   0.00    3.76    5.01    5.64    7.52    7.52
75.00   0.00    2.92    3.90    4.39    5.85    5.85
80.00   0.00    2.00    2.67    3.00    4.00    4.01
85.00   0.00    1.02    1.35    1.52    2.03    2.03
90.00   0.00    0.00    0.00    0.00    0.00    0.00

Licensing

The image itself is released under the GFDL:

I, the copyright holder of this work, hereby publish it under the following license: Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License. http://www.gnu.org/copyleft/fdl.htmlGFDLGNU Free Documentation Licensetruetrue This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license. You are free: to share – to copy, distribute and transmit the work to remix – to adapt the work Under the following conditions: attribution – You must attribute the work in the manner specified by the author or licensor (but not in any way that suggests that they endorse you or your use of the work). share alike – If you alter, transform, or build upon this work, you may distribute the resulting work only under the same or similar license to this one. This licensing tag was added to this file as part of the GFDL licensing update.http://creativecommons.org/licenses/by-sa/3.0/CC-BY-SA-3.0Creative Commons Attribution-Share Alike 3.0 truetrue

• Latitude