# SOME DESCRIPTIVE TITLE.
# Copyright (C) 2020, OpenDroneMap
# This file is distributed under the same license as the OpenDroneMap package.
# FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
# 
#, fuzzy
msgid ""
msgstr ""
"Project-Id-Version: OpenDroneMap 2.0.0\n"
"Report-Msgid-Bugs-To: \n"
"POT-Creation-Date: 2020-12-15 09:17-0500\n"
"PO-Revision-Date: 2020-07-21 21:10+0000\n"
"Language-Team: French (https://www.transifex.com/americanredcross/teams/111882/fr/)\n"
"MIME-Version: 1.0\n"
"Content-Type: text/plain; charset=UTF-8\n"
"Content-Transfer-Encoding: 8bit\n"
"Language: fr\n"
"Plural-Forms: nplurals=2; plural=(n > 1);\n"

#: ../../../gcp.rst:3 911f0a51699040bbbac8fd6336625beb
msgid "Ground Control Points"
msgstr ""

#: ../../../gcp.rst:5 022d5bddc65e48618d8dcfa0a4c6f73d
msgid ""
"Ground control points are useful for correcting distortions in the data and "
"referencing the data to know coordinate systems."
msgstr ""

#: ../../../gcp.rst:7 ad17511e7ca64fbda395e4f953e80eea
msgid ""
"A Ground Control Point (GCP) is a position measurement made on the ground, "
"typically using a high precision GPS. (Toffanin 2019)"
msgstr ""

#: ../../../gcp.rst:9 3ea9ac611d3a42a78eb928b9cebb8fe7
msgid ""
"Ground control points can be set existing structures like pavement corners, "
"lines on a parking lot or contrasting color floor tiles, otherwise can be "
"set using targets placed on the ground."
msgstr ""

#: ../../../gcp.rst:11 7e9458665b944639b07049fb14aaa585
msgid ""
"Targets can be purchased or build with an ample variety of materials ranging"
" from bucket lids to floor tiles."
msgstr ""

#: ../../../gcp.rst:15 58d694776d2944069f23706d57db7f03
msgid "Recommended practices for GCP setting"
msgstr ""

#: ../../../gcp.rst:17 be9453643db74c3dbce9cb60114879b8
msgid ""
"Keep ground control points visible for all camera locations. Consider the "
"expected ground sampling distance, illumination, vegetation, buildings and "
"all the existing obstacles."
msgstr ""

#: ../../../gcp.rst:19 b8ca322401f44845bcd07bab7d07c0a6
msgid ""
"Procure an evenly horizontal distribution of the GCPs within the project, "
"covering high and low elevations. A minimum of 5 GCP works for most of the "
"jobs, and for larger projects 8 – 10 are sufficient. Locate some points near"
" the corners and others in the center, considering that GCP spacing should "
"be larger than the image footprint so that you can’t see more than one GCP "
"in a single image."
msgstr ""

#: ../../../gcp.rst:21 ac223f7550cd411da9e36fd8784fba34
msgid ""
"In order to ensure each GCP are found in at least 5 images, separate the "
"points 10 to 30 meters from the perimeter of the project. This distance is "
"dependent of the overlapping, so increasing overlapping should reduce the "
"required distance from the perimeter."
msgstr ""

#: ../../../gcp.rst:25 7e516e234f5d48b6bdf2452c90949a1e
msgid "GCP file format"
msgstr ""

#: ../../../gcp.rst:27 8452104a74d646fd98667e75940154f9
msgid "The format of the GCP file is simple."
msgstr ""

#: ../../../gcp.rst:29 dce0e96292f14671b20009aff56908eb
msgid ""
"The first line should contain the name of the projection used for the geo "
"coordinates. This can be specified either as a PROJ string (e.g. ``+proj=utm"
" +zone=10 +ellps=WGS84 +datum=WGS84 +units=m +no_defs``), EPSG code (e.g. "
"``EPSG:4326``) or as a ``WGS84 UTM <zone>[N|S]`` value (eg. ``WGS84 UTM "
"16N``)"
msgstr ""

#: ../../../gcp.rst:30 b2b962c0b86148d0baa20170f21a4809
msgid ""
"Subsequent lines are the X, Y & Z coordinates, your associated pixels, the "
"image filename and optional extra fields, separated by tabs or spaces:"
msgstr ""

#: ../../../gcp.rst:31 b14a4632f09d452987da341b4761ee93
msgid "Elevation values can be set to \"NaN\" to indicate no value"
msgstr ""

#: ../../../gcp.rst:32 326fc2b4a246402887eec024ee7dc44b
msgid "The 7th column (optional) typically contains the label of the GCP."
msgstr ""

#: ../../../gcp.rst:34 7e516e234f5d48b6bdf2452c90949a1e
msgid "GCP file format::"
msgstr ""

#: ../../../gcp.rst:40 cfc779a9cd644757ac87736911a5cb2c
msgid "Example::"
msgstr ""

#: ../../../gcp.rst:47 af0d955959494dfea9d3d9efbb90d333
msgid ""
"If you supply a GCP file called ``gcp_list.txt`` then ODM will automatically"
" detect it. If it has another name you can specify using ``--gcp <path>``. "
"If you have a gcp file and want to do georeferencing with exif instead, then"
" you can specify ``--use-exif``. If you have high precision GPS measurements"
" in your images (RTK) and want to use that information along with a gcp "
"file, you can specify ``--force-gps``."
msgstr ""

#: ../../../gcp.rst:49 bbde94c6d77e4ebcb74ecec6b26d4752
msgid ""
"`This post has some information about placing Ground Control Targets before "
"a flight <http://diydrones.com/profiles/blogs/ground-control-points-gcps-"
"for-aerial-photography>`_, but if you already have images, you can find your"
" own points in the images post facto. It's important that you find high-"
"contrast objects that are found in **at least** 3 photos, and that you find "
"a minimum of 5 objects."
msgstr ""

#: ../../../gcp.rst:51 6b99ba39e0ba4be98be0cf9089458f19
msgid ""
"Sharp corners are good picks for GCPs. You should also place/find the GCPs "
"evenly around your survey area."
msgstr ""

#: ../../../gcp.rst:53 2022c1e3d9074c80bc5988fb77630231
msgid ""
"The ``gcp_list.txt`` file must be created in the base of your project "
"folder."
msgstr ""

#: ../../../gcp.rst:55 d053ffc6a0b44e60be90864b1d0ad399
msgid ""
"For good results your file should have a minimum of 15 lines after the "
"header (5 points with 3 images to each point)."
msgstr ""

#: ../../../gcp.rst:59 9712bfa7df5343f8b383155a9eee015c
msgid "User Interfaces"
msgstr ""

#: ../../../gcp.rst:61 58a11feafc7641fca1250a9e80a9e9a2
msgid "You can use one of two user interfaces for creating GCP files:"
msgstr ""

#: ../../../gcp.rst:63 84afe5e0d2964247b972da99da981b86
msgid "`POSM GCPi <https://github.com/posm/posm-gcpi>`_"
msgstr ""

#: ../../../gcp.rst:64 60450f4c04ca4bac9bd654bd2ba83c35
msgid "`GCP Editor Pro <https://github.com/uav4geo/GCPEditorPro>`_"
msgstr ""

#: ../../../gcp.rst:68 397f2777c59948cc8c50fe7aaee405e1
msgid "POSM GCPi"
msgstr ""

#: ../../../gcp.rst:70 927593a77dc84e74b137c4d439df6825
msgid ""
"The POSM GCPi is loaded by default on WebODM. An example is available at "
"`the WebODM Demo <http://demo.webodm.org/plugins/posm-gcpi/>`_. To use this "
"with known ground control XYZ values, one would do the following:"
msgstr ""

#: ../../../gcp.rst:72 b9a43cb0966f427fae9039e6aa420d36
msgid ""
"Create a GCP list that only includes gcp name (this is the label that will "
"be seen in the GCP interface), x, y, and z, with a header with a proj4 "
"string of your GCPs (make sure they are in a planar coordinate system, such "
"as UTM. It should look something like this:"
msgstr ""

#: ../../../gcp.rst:83 c193a1ce8f7a4da2b796010be7fc9521
msgid ""
"Then one can load this GCP list into the interface, load the images, and "
"place each of the GCPs in the image."
msgstr ""

#: ../../../gcp.rst:87 ece94c1e7c6c44698893e57cf6c10c92
msgid "GCP Editor Pro"
msgstr ""

#: ../../../gcp.rst:89 31a2f2c5d1614505b9b11f063ed8f8af
msgid ""
"This app needs to be installed separately or can be loaded as a WebODM "
"plugin from `https://github.com/uav4geo/GCPEditorPro "
"<https://github.com/uav4geo/GCPEditorPro>`_"
msgstr ""

#: ../../../gcp.rst:91 400a7b772b064992b58e256c4a86d802
msgid ""
"Create a CSV file that includes the gcp name, northing, easting and "
"elevation."
msgstr ""

#: ../../../gcp.rst:100 e3be97e2b1d442f99df0adde4e1752cb
msgid ""
"Then import the CSV from the main screen and type ``+proj=utm +zone=37 "
"+south +ellps=WGS84 +datum=WGS84 +units=m +no_defs`` in the ``EPSG/PROJ`` "
"box."
msgstr ""

#: ../../../gcp.rst:102 e90ba38338ef409792e454d071bbcc16
msgid ""
"The following screen will display a map from where to select the GCPs to tag"
" and import the respective images."
msgstr ""

#: ../../../gcp.rst:106 9712bfa7df5343f8b383155a9eee015c
msgid "References"
msgstr ""

#: ../../../gcp.rst:108 00d0a4cc5f3441b09095b9e4c3d1805f
msgid ""
"Toffanin, Piero. `Open Drone Map: The Missing Guide. "
"<https://odmbook.com/>`_ MasseranoLabs LLC, 2019."
msgstr ""

#: ../../../gcp.rst:111 da635552741e4ec895246bc268ab64b9
msgid ""
"`Learn to edit <https://github.com/opendronemap/docs#how-to-make-your-first-"
"contribution>`_ and help improve `this page "
"<https://github.com/OpenDroneMap/docs/blob/publish/source/gcp.rst>`_!"
msgstr ""
