Module:Ordnance Survey coordinates/data: Difference between revisions
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local |
local OSGBglobe = { |
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data.OSGBglobe = { |
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semimajor = 6377563.396, |
semimajor = 6377563.396, |
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semiminor = 6356256.910, |
semiminor = 6356256.910, |
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} |
} |
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local IEglobe = { |
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semimajor = 6377340.189, |
semimajor = 6377340.189, |
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semiminor = 6356034.447, |
semiminor = 6356034.447, |
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} |
} |
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local WGSglobe = { |
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semimajor = 6378137.0, |
semimajor = 6378137.0, |
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semiminor = 6356752.3141, |
semiminor = 6356752.3141, |
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} |
} |
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local WGS2OSGBparam = { |
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-- Table 4, Section 6.6, Ordnance Survey document |
-- Table 4, Section 6.6, Ordnance Survey document |
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semimajor_src = WGSglobe.semimajor, |
semimajor_src = WGSglobe.semimajor, |
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} |
} |
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local OSGB2WGSparam = { |
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semimajor_src = OSGBglobe.semimajor, |
semimajor_src = OSGBglobe.semimajor, |
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semiminor_src = OSGBglobe.semiminor, |
semiminor_src = OSGBglobe.semiminor, |
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} |
} |
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local IE2WGSparam = { |
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semimajor_src = IEglobe.semimajor, |
semimajor_src = IEglobe.semimajor, |
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semiminor_src = IEglobe.semiminor, |
semiminor_src = IEglobe.semiminor, |
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} |
} |
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return {OSGBglobe=OSGBglobe, IEglobe=IEglobe, WGSglobe=WGSglobe, |
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return data |
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WGS2OSGBparam=WGS2OSGBparam, OSGB2WGSparam=OSGB2WGSparam, IE2WGSparam=IE2WGSparam} |
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Revision as of 14:21, 4 November 2024
 | This Lua module is used on approximately 44,000 pages and changes may be widely noticed. Test changes in the module's /sandbox or /testcases subpages, or in your own module sandbox. Consider discussing changes on the talk page before implementing them. |
Data required for Module:Ordnance Survey coordinates
License
 | This work is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License Version 2 as published by the Free Software Foundation. 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 the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to: Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
local OSGBglobe = {
semimajor = 6377563.396,
semiminor = 6356256.910,
ecc = 0.006670539761597529073698869358812557054558,
n1 = 0.00167322025032508731869331280635710896296,
scale = 0.9996012717,
e0 = 400000.0,
n0 = -100000.0,
lat0 = 49.0,
lon0 = -2.0
}
local IEglobe = {
semimajor = 6377340.189,
semiminor = 6356034.447,
ecc = 0.006670540293336110419293763349975612794125,
n1 = 0.001673220384152058651484728058385228837777,
scale = 1.000035,
e0 = 200000.0,
n0 = 250000.0,
lat0 = 53.5,
lon0 = -8.0
}
local WGSglobe = {
semimajor = 6378137.0,
semiminor = 6356752.3141,
ecc = 0.00669438003551279089034150031998869922791
}
local WGS2OSGBparam = {
-- Table 4, Section 6.6, Ordnance Survey document
semimajor_src = WGSglobe.semimajor,
semiminor_src = WGSglobe.semiminor,
ecc_src = WGSglobe.ecc,
semimajor_dst = OSGBglobe.semimajor,
semiminor_dst = OSGBglobe.semiminor,
ecc_dst = OSGBglobe.ecc,
tx = -446.448,
ty = 125.157,
tz = -542.060,
s0 = 0.0000204894,
rx = deg2rad ( -.1502/3600. ),
ry = deg2rad ( -.2470/3600. ),
rz = deg2rad ( -.8421/3600. )
}
local OSGB2WGSparam = {
semimajor_src = OSGBglobe.semimajor,
semiminor_src = OSGBglobe.semiminor,
ecc_src = OSGBglobe.ecc,
semimajor_dst = WGSglobe.semimajor,
semiminor_dst = WGSglobe.semiminor,
ecc_dst = WGSglobe.ecc,
tx = -WGS2OSGBparam.tx,
ty = -WGS2OSGBparam.ty,
tz = -WGS2OSGBparam.tz,
s0 = -WGS2OSGBparam.s0,
rx = -WGS2OSGBparam.rx,
ry = -WGS2OSGBparam.ry,
rz = -WGS2OSGBparam.rz,
}
local IE2WGSparam = {
semimajor_src = IEglobe.semimajor,
semiminor_src = IEglobe.semiminor,
ecc_src = IEglobe.ecc,
semimajor_dst = WGSglobe.semimajor,
semiminor_dst = WGSglobe.semiminor,
ecc_dst = WGSglobe.ecc,
tx = 482.53,
ty = -130.596,
tz = 564.557,
s0 = 8.15/1000000.0,
rx = deg2rad( -1.042/3600.0 ),
ry = deg2rad( -0.214/3600.0 ),
rz = deg2rad( -0.631/3600.0 )
}
return {OSGBglobe=OSGBglobe, IEglobe=IEglobe, WGSglobe=WGSglobe,
WGS2OSGBparam=WGS2OSGBparam, OSGB2WGSparam=OSGB2WGSparam, IE2WGSparam=IE2WGSparam}