Eyesis4Pi 393 Footage Procedures page

From ElphelWiki
Jump to: navigation, search



Note

  • Use scripts to process in bulk

Procedures

  • Copying images before processing.
  • Extracting GPS coordinates from the images' EXIF headers.
  • Stitching the panorama sets processed in ImageJ into equirectangular projection format.
  • Formatting/resizing the results.

WebGUI screenshot

Note: ImageJ is not included into the WebGUI at the moment because it's not yet modified for launching from a browser.

Footage procedures WebGUI

System requirements

Download

Available for direct downloading from the Elphel Git or from a terminal window provided the GIT is installed: 

git clone https://git.elphel.com/Elphel/eyesis4pi-393-footage-procedures.git footage_procedures

Installation

  • Clone the repository.
  • Install the required software.
  • Create a link from the web server root path to the source folder. Terminal window example:

sudo ln -sf /<PATH_TO_FOOTAGE_PROCEDURES>/footage_procedures /<WEB_SERVER_ROOT_DIR>/footage_procedures

  • It is assumed that the footage series are located at:

/data/footage/FOOTAGE1
/data/footage/FOOTAGE2
...

Working

Step 1

Step 1

  • Processing folder-input
A folder at "/data/footage" with the footage in subfolders. Normally a one subfolder per SSD will be created by the downloading script. The splitting script will search one directory down
  • Split All *.movs-button (If footage is recorded to the SSDs, internal or external)
Splits all *.mov files in /data/footage/FOOTAGE1/N/, where directory N contains *.movs, *.imgs or *.bins from the N-th SSD. The results are placed into /data/footage/FOOTAGE1/0 as if the footage was recorded onto PC.
  • Filter Out Images with Non-Matching Timestamps-button
Filters out uncomplete panoramas (missing files).
  • Generate KML-button
Creates a KML file (map_points.kml in the /data/footage/FOOTAGE1) for the Eyesis Panorama Previewer.

Note: /data/footage/FOOTAGE1 directory should have r/w rights for the map could be saved in there.

  • Copy All-button
Copies all the images into the specified directory for further processing in ImageJ. The source images can be selected for processing right at 
their own directory w/o copying.

Alternatively to Copy All allows to preview and copy selected panoramas for processing



Step 2

Step 2



Step 3

Step 3

  • Processing root folder-input
A root folder for post-processing - absolute path
  • Sources subfolder-input
A folder with the JP4 source images in the Processing root folder - the sources are used for GPS data extraction.
  • ImageJ-processed subfolder-input
A folder with the ImageJ plugin post-processing results to be stitched.
  • Stitch-button (~3min/set)
Launches "enblend" from a stitch.php script for all panoramas in ImageJ-processed subfolder:
 enblend -l 10 --no-optimize --fine-mask -a -v -w -o result.tif 1334546768_780764-*_EQR.tiff 1334546768_780764-*_EQR-*.tiff

Note: The output is an equirectangular projection of the whole panorama in jpeg format. Quick previews: 

* Drag and drop to threejs demo

Cuts stitched panoramas into 8 pieces for the WebGL Editor.
Tiles for the WebGL Editor
  • Compress images for Google Earth-button (~5sec/set)
Creates rescaled low resolution panoramas - so the KML file could be opened from Google Earth.
  • Generate KML for the WebGL Editor-button (quick)
Scans all the source images in the Sources subfolder and creates a KML file with the GPS data. The file is saved into the Processing root folder
  • Path prefix inside KML-input
Adds this prefix to the file name to make the final http link.
Note: "published" images should be accessible at this path (locally /<web_server_root>/panoramas/ = /<webgl-editor-path>/images/)
  • Visibility-input
Tag inside the KML telling the Editor whether to show the panorama as a camera model ("1") or not ("0"). Use "1".
  • Starting Index-input
KML records names.
  • After images are split and KML is generated the results will be in the Processing root folder ready to be copied to the WebGL editor.
1. map.kml -> /<webgl_editor_path>/kml_files/
2. Splitted images -> /<webgl_editor_path>/images/
3. In the browser go to <webgl_editor_web_path>/pano_index.html
4. Don't forget to set up the database for the WebGL Editor - guide.

Links

Retrieved from "https://wiki.elphel.com/index.php?title=Eyesis4Pi_393_Footage_Procedures_page&oldid=15423"