====== LiDAR USA Snoopy ======

This page describes the original LiDAR USA Snoopy mobile mapping resources for Orbit import.

Use the corresponding [[224:desktop_ext:mapping:manage_import:templates|Orbit Import Template]] to import the described original data. \\
It is recommend to read first [[224:technology:3d_mapping:about_resources|]].

===== Trajectory =====

=== Trajectory positions file ===

  * File : one *.csv file.
  * File structure Rows : Each trajectory timestamp is one record.
  * File structure Columns : Space separated (char32), no headers, with exact order as the example below.
  * Value of Timestamps "TIME" : GPS Absolute time or GPS Week time, decimal notation.
  * Value of Coordinates : any [[206:technology:core:crs|supported coordinate system]] can be used, Long/Lat order for geographical coordinates, decimal notation, without thousands separator.

<code>
1 163351.210301 2061 1284617.900 42432.096 601.785 -1.286722 -.288357 87.232118
2 163351.215278 2061 1284617.900 42432.096 601.785 -1.286916 -.290356 87.232330
3 163351.220255 2061 1284617.900 42432.096 601.785 -1.287792 -.292525 87.232249
4 163351.225231 2061 1284617.900 42432.096 601.785 -1.289249 -.294768 87.231911
...
</code>


===== Panoramas =====

=== Image files ===

  * Image type : Ladybug 5, equirectangular panoramas.
  * Image resolution : Ratio 2x1, default 10000x5000 pixels.
  * File format : Each image is one *.jpg file.
  * File name : Concat("LB_0_",LPad([PhotoID],6,"0")), e.g. LB_0_001384, LB_0_001385, LB_0_001386, ...
  * Folder structure : All files in one folder.

=== Image positions file ===

  * File format : One ascii LadybugEvents*_Extended.txt file.
  * File structure Rows : Each image is one record.
  * File structure Columns : **Single space** separated (char32), no headers, with exact order as the example below.
  * Value of PhotoId : According image file name, see above.
  * Value of Coordinates : any [[224:technology:core:crs|supported coordinate system]] can be used, Long/Lat order for geographical coordinates, decimal notation, without thousands separator.
  * Value of Orientation Angles: Omega, Phi, Kappa values in degrees, decimal notation
  * Value of Timestamps : GPS Absolute time or GPS Week time, decimal notation.

<code>
0 423677.522558 1912 2243206.098 1736783.718 688.506 1.068043 3.486629 -179.270662 I:\lidarusa\Foresite\MastinLake02\GeoRef\LB_0_000000.jpg
1 423678.022921 1912 2243206.096 1736783.716 688.507 1.093199 3.481009 -179.268266 I:\lidarusa\Foresite\MastinLake02\GeoRef\LB_0_000001.jpg
2 423678.523046 1912 2243206.105 1736783.715 688.512 1.095133 3.502516 -179.268553 I:\lidarusa\Foresite\MastinLake02\GeoRef\LB_0_000002.jpg
...
</code>

===== LiDAR =====

=== Point cloud files ===

  * File format : One or more *.las files.
  * File structure : Las version 1.2.
  * Value of Coordinates : Same CRS as Photo Positions, see above.
  * Value of Timestamps : Same Time Reference as Photo Positions, see above.