Can we use this utility for shooting large acreage? Thank you in advance for replying to this posting.
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Yes, but large datasets and processing quality settings have an important impact on determining machine requirements. ie. lots of RAM
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Just finished a rendering job for 560 hectares (almost 6 square kilometers) with 2500 images.
Having 80Gb RAM, 128Gb pagefile (swap) and an 8 core Ryzen processor took around 15 hrs. Running latest WebODM on Ubuntu 20.04 LTS.
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Almost 800 hectares with ~7800 images-
96GB RAM intel i7 processor
Native Windows
|Reconstructed Images|7790 over 7842 shots (99.3%)|
|Reconstructed Points (Sparse)|9965859 over 10813186 points (92.2%)|
|Reconstructed Points (Dense)|169,018,267 points|
|Average Ground Sampling Distance (GSD)|7.1 cm|
|Detected Features|11,843 features|
|Reconstructed Features|4,114 features|
|Geographic Reference|GPS|
|GPS errors|1.56 meters|
|Area Covered|7.956529 km²|
|Processing Time|43.0h:22.0m:45.0s|
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80 square kilometers with 90k images flown at 300m is the largest I’ve processed.
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Similarly to others, we’ve done ~700 Ha (8400 images). It took 20 hrs on the system we had at the time. I recently re-ran it with higher-end hardware and it took 5hrs. So the hardware does make a huge difference.
Here’s the link to the point cloud in cesium
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