303 lines
12 KiB
Lua
303 lines
12 KiB
Lua
--[[
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This file is part of darktable,
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Copyright 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 KML export script
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ADDITIONAL SOFTWARE NEEDED FOR THIS SCRIPT
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* mkdir
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* zip (only if you create KMZ files)
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* convert (ImageMagick)
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* xdg-open
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* xdg-user-dir
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WARNING
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This script is only tested with Linux
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USAGE
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* require this script from your main Lua file
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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("kml_export",dt.configuration.config_dir.."/lua/")
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local function _(msgid)
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return gettext.dgettext("kml_export", msgid)
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end
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-- Sort a table
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local function spairs(_table, order) -- Code copied from http://stackoverflow.com/questions/15706270/sort-a-table-in-lua
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-- collect the keys
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local keys = {}
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for _key in pairs(_table) do keys[#keys + 1] = _key end
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-- if order function given, sort by it by passing the table and keys a, b,
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-- otherwise just sort the keys
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if order then
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table.sort(keys, function(a,b) return order(_table, a, b) end)
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else
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table.sort(keys)
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end
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-- return the iterator function
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local i = 0
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return function()
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i = i + 1
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if keys[i] then
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return keys[i], _table[keys[i]]
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end
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end
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end
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local function show_status(storage, image, format, filename, number, total, high_quality, extra_data)
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dt.print(string.format(_("Export Image %i/%i"), number, total))
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end
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local function checkIfBinExists(bin)
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local handle = io.popen("which "..bin)
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local result = handle:read()
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local ret
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handle:close()
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if (not result) then
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dt.print_error(bin.." not found")
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ret = false
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end
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ret = true
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return ret
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end
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local function create_kml_file(storage, image_table, extra_data)
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if not checkIfBinExists("mkdir") then
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return
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end
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if not checkIfBinExists("convert") then
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return
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end
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if not checkIfBinExists("xdg-open") then
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return
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end
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if not checkIfBinExists("xdg-user-dir") then
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return
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end
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dt.print_error("Will try to export KML file now")
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local imageFoldername
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if ( dt.preferences.read("kml_export","CreateKMZ","bool") == true ) then
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if not checkIfBinExists("zip") then
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return
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end
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exportDirectory = dt.configuration.tmp_dir
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imageFoldername = ""
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else
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exportDirectory = dt.preferences.read("kml_export","ExportDirectory","string")
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-- Creates dir if not exsists
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imageFoldername = "files/"
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local mkdirCommand = "mkdir -p "..exportDirectory.."/"..imageFoldername
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coroutine.yield("RUN_COMMAND", mkdirCommand)
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end
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-- Create the thumbnails
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for _,image in pairs(image_table) do
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if ((_.longitude and _.latitude) and
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(_.longitude ~= 0 and _.latitude ~= 90) -- Sometimes the north-pole but most likely just wrong data
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) then
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local path, filename, filetype = string.match(image, "(.-)([^\\/]-%.?([^%.\\/]*))$")
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filename = string.upper(string.gsub(filename,"%.", "_"))
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-- convert -size 92x92 filename.jpg -resize 92x92 +profile "*" thumbnail.jpg
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-- In this example, '-size 120x120' gives a hint to the JPEG decoder that the image is going to be downscaled to
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-- 120x120, allowing it to run faster by avoiding returning full-resolution images to GraphicsMagick for the
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-- subsequent resizing operation. The '-resize 120x120' specifies the desired dimensions of the output image. It
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-- will be scaled so its largest dimension is 120 pixels. The '+profile "*"' removes any ICM, EXIF, IPTC, or other
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-- profiles that might be present in the input and aren't needed in the thumbnail.
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local convertToThumbCommand = "convert -size 96x96 "..image.." -resize 92x92 -mattecolor \"#FFFFFF\" -frame 2x2 +profile \"*\" "..exportDirectory.."/"..imageFoldername.."thumb_"..filename..".jpg"
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-- USE coroutine.yield. It does not block the UI
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coroutine.yield("RUN_COMMAND", convertToThumbCommand)
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local concertCommand = "convert -size 438x438 "..image.." -resize 438x438 +profile \"*\" "..exportDirectory.."/"..imageFoldername..filename..".jpg"
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coroutine.yield("RUN_COMMAND", concertCommand)
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end
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-- delete the original image to not get into the kmz file
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os.remove(image)
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local pattern = "[/]?([^/]+)$"
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filmName = string.match(_.film.path, pattern)
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end
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exportKMLFilename = filmName..".kml"
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exportKMZFilename = filmName..".kmz"
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-- Create the KML file
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local kml_file = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
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kml_file = kml_file.."<kml xmlns=\"http://www.opengis.net/kml/2.2\">\n"
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kml_file = kml_file.."<Document>\n"
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--image_table = dt.gui.selection();
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kml_file = kml_file.."<name>"..filmName.."</name>\n"
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kml_file = kml_file.." <description>Exported from darktable</description>\n"
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for image,_ in pairs(image_table) do
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filename = string.upper(string.gsub(image.filename,"%.", "_"))
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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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kml_file = kml_file.." <Placemark>\n"
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if (image.title and image.title ~= "") then
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kml_file = kml_file.." <name>"..image.title.."</name>\n"
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else
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kml_file = kml_file.." <name>"..image.filename.."</name>\n"
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end
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kml_file = kml_file.." <description>"..image.description.."</description>\n"
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kml_file = kml_file.." <Style>\n"
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kml_file = kml_file.." <IconStyle>\n"
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kml_file = kml_file.." <Icon>\n"
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kml_file = kml_file.." <href>"..imageFoldername.."thumb_"..filename..".jpg</href>\n"
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kml_file = kml_file.." </Icon>\n"
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kml_file = kml_file.." </IconStyle>\n"
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kml_file = kml_file.." <BalloonStyle>\n"
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kml_file = kml_file.." <text><![CDATA[<img src=\""..imageFoldername..filename..".jpg\"><br/>]]></text>\n"
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kml_file = kml_file.." <textColor>ff000000</textColor>\n"
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kml_file = kml_file.." <displayMode>default</displayMode>\n"
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kml_file = kml_file.." </BalloonStyle>\n"
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kml_file = kml_file.." </Style>\n"
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kml_file = kml_file.." <Point>\n"
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kml_file = kml_file.." <extrude>1</extrude>\n"
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kml_file = kml_file.." <coordinates>"..string.gsub(tostring(image.longitude),",", ".")..","..string.gsub(tostring(image.latitude),",", ".")..",0</coordinates>\n"
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kml_file = kml_file.." <TimeStamp>\n"
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kml_file = kml_file.." <when>"..string.gsub(image.exif_datetime_taken," ", "T").."Z".."</when>\n"
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kml_file = kml_file.." </TimeStamp>\n"
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kml_file = kml_file.." </Point>\n"
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kml_file = kml_file.." </Placemark>\n"
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end
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end
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-- Connects all images with an path
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if ( dt.preferences.read("kml_export","CreatePath","bool") == true ) then
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kml_file = kml_file.." <Placemark>\n"
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kml_file = kml_file.." <name>Path</name>\n" -- ToDo: I think a better name would be nice
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--kml_file = kml_file.." <description></description>\n"
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kml_file = kml_file.." <Style>\n"
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kml_file = kml_file.." <LineStyle>\n"
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kml_file = kml_file.." <color>ff0000ff</color>\n"
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kml_file = kml_file.." <width>5</width>\n"
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kml_file = kml_file.." </LineStyle>\n"
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kml_file = kml_file.." </Style>\n"
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kml_file = kml_file.." <LineString>\n"
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kml_file = kml_file.." <coordinates>\n"
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for image,_ in spairs(image_table, function(t,a,b) return t[b] < t[a] end) 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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local altitude = 0;
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if (image.elevation) then
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altitude = image.elevation;
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end
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kml_file = kml_file.." "..string.gsub(tostring(image.longitude),",", ".")..","..string.gsub(tostring(image.latitude),",", ".")..",altitude\n"
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end
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end
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kml_file = kml_file.." </coordinates>\n"
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kml_file = kml_file.." </LineString>\n"
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kml_file = kml_file.." </Placemark>\n"
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end
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kml_file = kml_file.."</Document>\n"
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kml_file = kml_file.."</kml>"
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local file = io.open(exportDirectory.."/"..exportKMLFilename, "w")
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file:write(kml_file)
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file:close()
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dt.print("KML file created in "..exportDirectory)
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-- Compress the files to create a KMZ file
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if ( dt.preferences.read("kml_export","CreateKMZ","bool") == true ) then
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exportDirectory = dt.preferences.read("kml_export","ExportDirectory","string")
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-- USE coroutine.yield. It does not block the UI
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local createKMZCommand = "zip --test --move --junk-paths "
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createKMZCommand = createKMZCommand .."\""..exportDirectory.."/"..exportKMZFilename.."\" "
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createKMZCommand = createKMZCommand .."\""..dt.configuration.tmp_dir.."/"..exportKMLFilename.."\" \""..dt.configuration.tmp_dir.."/"..imageFoldername.."\"*"
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coroutine.yield("RUN_COMMAND", createKMZCommand)
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end
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-- Open the file with the standard programm
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if ( dt.preferences.read("kml_export","OpenKmlFile","bool") == true ) then
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local kmlFileOpenCommand
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if ( dt.preferences.read("kml_export","CreateKMZ","bool") == true ) then
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kmlFileOpenCommand = "xdg-open "..exportDirectory.."/\""..exportKMZFilename.."\""
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else
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kmlFileOpenCommand = "xdg-open "..exportDirectory.."/\""..exportKMLFilename.."\""
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end
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coroutine.yield("RUN_COMMAND", kmlFileOpenCommand)
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end
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end
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-- Preferences
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dt.preferences.register("kml_export",
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"OpenKmlFile",
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"bool",
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_("KML export: Open KML/KMZ file after export"),
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_("Opens the KML file after the export with the standard program for KML files"),
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false )
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local handle = io.popen("xdg-user-dir DESKTOP")
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local result = handle:read()
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handle:close()
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dt.preferences.register("kml_export",
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"ExportDirectory",
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"directory",
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_("KML export: Export directory"),
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_("A directory that will be used to export the KML/KMZ files"),
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result )
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dt.preferences.register("kml_export",
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"CreatePath",
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"bool",
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_("KML export: Connect images with path"),
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_("connect all images with a path"),
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false )
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dt.preferences.register("kml_export",
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"CreateKMZ",
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"bool",
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_("KML export: Create KMZ file"),
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_("Compress all imeges to one KMZ file"),
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true )
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-- Register
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dt.register_storage("kml_export", _("KML/KMZ Export"), nil, create_kml_file)
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