Prepare MM Data LiDAR USA Snoopy
Panoramas
Image files
Image type : Ladybug 5, equirectangular panoramas.
Image resolution : Ratio 2×1, default 10000×5000 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.
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Value of Timestamps : GPS Absolute time or GPS Week time, decimal notation.
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
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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.