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gs50 - Inverse problem at the origin #163

proj4-bot opened this issue May 22, 2015 · 1 comment

gs50 - Inverse problem at the origin #163

proj4-bot opened this issue May 22, 2015 · 1 comment


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Reported by fwillett on 10 May 2012 17:37 UTC
OS - Windows 7 Ultimate, SP1, 64 bit
CPU - Intel Core2 Quad CPU @ 2.83 GHz
Memory - 1.86 GB
Running in Oracle VirtualBox 4.16 r74713

proj version - Rel. 4.8.0, 6 March 2012
Microsoft Visual Studio 2010 Professional Version 10.0.40219.1 SP1Rel
Build commands:
"C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\bin\vcvars32.bat"
nmake /f
nmake /f install-all

Note: This builds a 32 bit version of the programs and libraries.

In the following the OS prompt is "$" and the proj prompt is "%"

gs50 - Inverse problem at the origin
$ proj +proj=gs50 -I
%0 0
120dE 45dN
%1 1
119d59'59.954"W 45d0'0.033"N

imw_p - Inverse problem at the origin.
$ ./proj.exe +proj=imw_p +lat_1=2 +lat_2=6 +lon_1=0
%0 0
0.00 0.00
%0.0001 0.0001
11.15 -221138.40

$ ./proj.exe +proj=imw_p +lat_1=2 +lat_2=6 +lon_1=0 -I
0 0
-2147483648d-2147483648'1.#QO"E -2147483648d-2147483648'-1.#IO"N
11.15 -221138.40
0d0'0.36"E 0d0'0.36"N


@kbevers kbevers added this to the 4.10.0 milestone Oct 18, 2016
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kbevers commented Oct 18, 2016

fixed with 0eccceb

@kbevers kbevers closed this as completed Oct 18, 2016
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