Відмінності між версіями «Модуль:Coordinates2»

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нема опису редагування
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]]
function convert_dec2dms(coordinate, firstPostfix, secondPostfix, precision)
local coord = tonumber(coordinate) or 0
local postfix
if coord >= 0 then
postfix = firstPostfix
else
postfix = secondPostfix
end
 
precision = precision:lower();
if precision == "dms" then
return convert_dec2dms_dms( math.abs( coord ) ) .. postfix;
elseif precision == "dm" then
return convert_dec2dms_dm( math.abs( coord ) ) .. postfix;
elseif precision == "d" then
return convert_dec2dms_d( math.abs( coord ) ) .. postfix;
end
end
 
--[[ Helper function, convert decimal to degrees ]]
function convert_dec2dms_d(coordinate)
local d = math_mod._round( coordinate, 0 ) .. "°"
return d .. ""
end
 
--[[ Helper function, convert decimal to degrees and minutes ]]
function convert_dec2dms_dm(coordinate)
coordinate = math_mod._round( coordinate * 60, 0 );
local m = coordinate % 60;
coordinate = math.floor( (coordinate - m) / 60 );
local d = coordinate % 360 .."°"
return d .. string.format( "%02d′", m )
end
 
--[[ Helper function, convert decimal to degrees, minutes, and seconds ]]
function convert_dec2dms_dms(coordinate)
coordinate = math_mod._round( coordinate * 60 * 60, 0 );
local s = coordinate % 60
coordinate = math.floor( (coordinate - s) / 60 );
local m = coordinate % 60
coordinate = math.floor( (coordinate - m) / 60 );
local d = coordinate % 360 .."°"
 
return d .. string.format( "%02d′", m ) .. string.format( "%02d″", s )
end
 
]]
function convert_dms2dec(direction, degrees_str, minutes_str, seconds_str)
local degrees = tonumber(degrees_str) or 0
local minutes = tonumber(minutes_str) or 0
local seconds = tonumber(seconds_str) or 0
local factor
direction = mw.ustring.gsub(direction, '^[ ]*(.-)[ ]*$', '%1');
if direction == "S" or direction == "W" then
factor = -1
else
factor = 1
end
local precision = 0
if seconds_str ~= nil and seconds_str ~= '' then
precision = 5 + math.max( math_mod._precision(seconds_str), 0 );
elseif minutes_str ~= nil and minutes_str ~= '' then
precision = 3 + math.max( math_mod._precision(minutes_str), 0 );
else
precision = math.max( math_mod._precision(degrees_str), 0 );
end
local decimal = factor * (degrees+(minutes+seconds/60)/60)
return string.format( "%." .. precision .. "f", decimal ) -- not tonumber since this whole thing is string based.
end
 
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