Image:Types of latitude difference.png

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Types_of_latitude_difference.png‎ (512 × 384 pixels, file size: 4 KB, MIME type: image/png)

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1 Summary
2 Source
3 Source data
4 Licensing

Summary

Description	Comparison between different types of latitude (common, reduced, authalic, rectifying, conformal, geocentric) that shows the difference from the common latitude
Source	Own work with the help of gnuplot
Date	August 16, 2006
Author	User:Cburnett
Permission ( Reusing this image)	GFDL
Other versions	Image:Types of latitudes original.png (shows actual values)

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.

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".

This vector image was created with gnuplot.

File history

Click on a date/time to view the file as it appeared at that time.

	Date/Time	Dimensions	User	Comment
current	00:04, 17 August 2006	512×384 (4 KB)	Cburnett	(Misread, data was in minutes not degrees so y label is wrong)
	23:56, 16 August 2006	512×384 (4 KB)	Cburnett	({{Information \|Description=Comparison between different types of latitude (common, reduced, authalic, rectifying, conformal, geocentric) that shows the ''difference'' from the common latitude \|Source=Own work with the help of gnuplot \|Date= August 16, )

File links

The following pages on Schools Wikipedia link to this image (list may be incomplete):

Latitude

Retrieved from "http://en.wikipedia.org/wiki/Image:Types_of_latitude_difference.png"

Categories: Geography