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SP_PROJ converts between geographic (latitude and longitude) and US state plane coordinates. SP_PROJ can perform both forward (from geographic to state plane) and inverse transformations (from state plane to geographic). All US state plane zones are included except for Alaska. Calculations assume the NAD83 datum and GRS1980 spheriod.

Mapping toolbox is required. SP_PROJ creates the map structure for the specified US state plane zone and passes it to either PROJFWD and PROJINV to perform the coordinate transformations.


%geographic data
lat = 37.45569;
lon = -122.17009;

% Calculate the x,y, coordinates in survey feet
% in the 'California 1' state plane zone.

[xsp,ysp] = sp_proj('california 1','forward',lon,lat,'sf')

% Re-calculate the geographic coordinates
% also output the map structure as optional 3rd output

[lon1,lat1,mstruct] = sp_proj('california 1','inverse',xsp,ysp,'sf')

Free download from Shareware Connection - SP_PROJ converts between geographic (latitude and longitude) and US state plane coordinates.

Publisher: Andrew Stevens | License: Freeware | Price: 0.00
Version: 1.0 | Size: 10 KB | Platform: Matlab, Scripts
Released Date: 02-03-2013 | Rating: 0 | Title: SP_PROJ

Author Url: http://www.codingfx.com/
Program Info Url: http://www.codingfx.com/
Download Url: http://www.mathworks.com/matlabcentral/fx_files/26413/2/sp_proj.zip

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Shareware Connection periodically updates pricing and software information of 'SP_PROJ' from company source 'Andrew Stevens' , so some information may be slightly out-of-date. You should confirm all information before relying on it. Software piracy is theft,  Using 'SP_PROJ' crack, password, serial numbers, registration codes, key generators is illegal and prevent future development of SP_PROJ.

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