Delete calcDistance.lua
replaced by geoToolbox.lua
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@@ -1,93 +0,0 @@
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--[[
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This file is part of darktable,
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Copyright 2014-2016 by Tobias Jakobs.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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]]
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--[[
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darktable calc distance script
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This script calcs the distance between two images using the GPS data in the metadata
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USAGE
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* require this script from your main lua file
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* register a shortcut
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]]
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local dt = require "darktable"
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local gettext = dt.gettext
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dt.configuration.check_version(...,{3,0,0})
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-- Tell gettext where to find the .mo file translating messages for a particular domain
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gettext.bindtextdomain("calcDistance",dt.configuration.config_dir.."/lua/")
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local function _(msgid)
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return gettext.dgettext("calcDistance", msgid)
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end
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local function calcDistance()
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local sel_images = dt.gui.selection()
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local lat1 = 0;
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local lon1 = 0;
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local lat2 = 0;
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local lon2 = 0;
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local i = 0;
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local sel_images = dt.gui.selection()
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for _,image in ipairs(sel_images) do
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if ((image.longitude and image.latitude) and
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(image.longitude ~= 0 and image.latitude ~= 90) -- Sometimes the north-pole but most likely just wrong data
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) then
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i = i + 1;
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if (i == 1) then
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lat1 = image.latitude;
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lon1 = image.longitude;
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end
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lat2 = image.latitude;
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lon2 = image.longitude;
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end
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end
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-- I used code from here:
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-- http://stackoverflow.com/questions/27928/how-do-i-calculate-distance-between-two-latitude-longitude-points
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local earthRadius = 6371; -- Radius of the earth in km
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local dLat = math.rad(lat2-lat1); -- deg2rad below
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local dLon = math.rad(lon2-lon1);
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local a =
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math.sin(dLat/2) * math.sin(dLat/2) +
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math.cos(math.rad(lat1)) * math.cos(math.rad(lat2)) *
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math.sin(dLon/2) * math.sin(dLon/2)
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;
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local angle = 2 * math.atan2(math.sqrt(a), math.sqrt(1-a));
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local distance = earthRadius * angle; -- Distance in km
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-- Add the elevation to the calculation
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local elevation = 0;
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elevation = math.abs(ele1 - ele2) / 1000; --in km
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distance = math.sqrt(math.pow(elevation,2) + math.pow(distance,2) );
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dt.print(distance.." km")
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end
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-- Register
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dt.register_event("shortcut",calcDistance,_("Calculate the distance from latitude and longitude in km"))
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