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graphdeco-inria / hierarchical-3d-gaussians

Official implementation of the SIGGRAPH 2024 paper "A Hierarchical 3D Gaussian Representation for Real-Time Rendering of Very Large Datasets"
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What is right structured "list of all chunks" to consolidate and can use SIBR with headless server ? #58

Open RyanPham19092002 opened 2 months ago

RyanPham19092002 commented 2 months ago

Hi! Thanks for your great work. But I have some issue when I want to consolidate and merge all the chunk hierarchies. I based on guide line "submodules/gaussianhierarchy/build/GaussianHierarchyMerger [path to output/trained_chunks] "0" [path to chunk colmap] [list of all the chunk names]" and in my case, it is : submodules/gaussianhierarchy/build/GaussianHierarchyMerger \ /home/vinai/Workspace/phat-intern-dev/VinAI/hierarchical-3d-gaussians/data/example_dataset/output/trained_chunks \ "0" \ /home/vinai/Workspace/phat-intern-dev/VinAI/hierarchical-3d-gaussians/data/example_dataset/camera_calibration/chunks \ ["0_0, "1_0"] The output after I run this is just image and image

Is that [list of all the chunk names] is ["0_0, "1_0"] right ? If it is right, how can I use the file [0_0,1_0] ? Another question is that My server is headless so can I use SIBR with headless server?

Thanks for your help.

ameuleman commented 2 months ago

Hi, The list of chunk names should be 0_0 1_0 (without coma, quotes or brackets). The path to the output merged file should be before the chunk names (just fixed instructions)

RyanPham19092002 commented 2 months ago

Hi Thanks for your reply, After I change to 0_0 1_0, it created a new file like the image below image So how can I use this file ? And I want to ask 1 problem, I installed SIBR_viewers successful : [100%] Built target SIBR_remoteGaussian_app Install the project... -- Install configuration: "Release" -- Installing: /home/vinai/Workspace/phat-intern-dev/VinAI/hierarchical-3d-gaussians/SIBR_viewers/install/lib/libsibr_system.so -- Installing: /home/vinai/Workspace/phat-intern-dev/VinAI/hierarchical-3d-gaussians/SIBR_viewers/install/bin/libsibr_system.so -- Up-to-date: /home/vinai/Workspace/phat-intern-dev/VinAI/hierarchical-3d-gaussians/SIBR_viewers/install/resources/core/imgui_default.ini -- Installing: /home/vinai/Workspace/phat-intern-dev/VinAI/hierarchical-3d-gaussians/SIBR_viewers/install/lib/libsibr_graphics.so -- Installing: /home/vinai/Workspace/phat-intern-dev/VinAI/hierarchical-3d-gaussians/SIBR_viewers/install/bin/libsibr_graphics.so -- Up-to-date: /home/vinai/Workspace/phat-intern-dev/VinAI/hierarchical-3d-gaussians/SIBR_viewers/install/shaders/core/addshadow.frag -- Up-to-date: 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/home/vinai/Workspace/phat-intern-dev/VinAI/hierarchical-3d-gaussians/SIBR_viewers/install/shaders/hierarchyviewer/copy2.vert -- Installing: /home/vinai/Workspace/phat-intern-dev/VinAI/hierarchical-3d-gaussians/SIBR_viewers/install/lib/libsibr_hierarchyviewer.so -- Installing: /home/vinai/Workspace/phat-intern-dev/VinAI/hierarchical-3d-gaussians/SIBR_viewers/install/bin/libsibr_hierarchyviewer.so -- Installing: /home/vinai/Workspace/phat-intern-dev/VinAI/hierarchical-3d-gaussians/SIBR_viewers/install/bin/SIBR_remoteGaussian_app -- Up-to-date: /home/vinai/Workspace/phat-intern-dev/VinAI/hierarchical-3d-gaussians/SIBR_viewers/install/bin/SIBR_remoteGaussian_app -- Installing: /home/vinai/Workspace/phat-intern-dev/VinAI/hierarchical-3d-gaussians/SIBR_viewers/install/lib/libsibr_remote.so -- Installing: /home/vinai/Workspace/phat-intern-dev/VinAI/hierarchical-3d-gaussians/SIBR_viewers/install/bin/libsibr_remote.so

But when I use it based on the guild line :

DATASET_DIR=/home/vinai/Workspace/phat-intern-dev/VinAI/hierarchical-3d-gaussians/data/example_dataset SIBR_viewers/install/bin/SIBR_gaussianHierarchyViewer_app \ --path ${DATASET_DIR}/camera_calibration/aligned \ --scaffold ${DATASET_DIR}/output/scaffold/point_cloud/iteration_30000 \ --model-path ${DATASET_DIR}/output/merged.hier \ --images-path ${DATASET_DIR}/camera_calibration/rectified/images

It has the error SIBR_viewers/install/bin/SIBR_gaussianHierarchyViewer_app: error while loading shared libraries: libxatlas.so.1.0: cannot open shared object file: No such file or directory

Can you help me for this problem ? Thanks for your help

ameuleman commented 2 months ago

The path of the output merged.hier file is missing from your GaussianHierarchyMerger command. render_hierarchy.py allows to render offline, but the current implementation requires a lot of GPU memory.