misc: add direct PLY file loading and rendering

Author: JasonLSC

.gitignore

@@ -145,4 +145,6 @@ examples/benchmarks/compression/rebuttal
 examples/benchmarks/viewer
 
 examples/readme_on_STG.md
-examples/benchmarks/stg/old
+examples/benchmarks/stg/old
+
+examples/benchmarks/mpeg

README.md

@@ -30,6 +30,7 @@ pip install .
 ## Examples
 
 **Preparations**
+
 Same as gsplat, we need to install some extra dependencies and download the relevant datasets before the evaluation.
 
 ```bash
@@ -82,6 +83,15 @@ cd examples
 bash benchmarks/dyngs/export_plys.sh
 ```
 
+**Load .ply File and Render**
+
+If you want to directly read and render splats exported as PLY files, you can use the following script.
+Note: You need to modify the PLY file path in the scripts.
+```bash
+cd examples
+bash benchmarks/load_ply_and_render.sh
+```
+
 ## Contributors
 
 This project is developed by the following contributors:

examples/benchmarks/load_ply_and_render.sh

@@ -0,0 +1,26 @@
+SCENE_DIR=data/tandt
+SCENE_LIST="truck"
+SCENE=truck
+
+PLY_FILE=./results/Ours_TT/truck/ply/splats.ply
+
+RESULT_DIR=results/ply_rendering
+
+for SCENE in $SCENE_LIST;
+do
+    CUDA_VISIBLE_DEVICES=0 python ply_loader_renderer.py mcmc --disable_viewer --data_factor 1 \
+        --data_dir $SCENE_DIR/$SCENE/ \
+        --result_dir $RESULT_DIR/$SCENE/ \
+        --lpips_net vgg \
+        --compression png \
+        --ply_path $PLY_FILE
+done
+
+# Zip the compressed files and summarize the stats
+if command -v zip &> /dev/null
+then
+    echo "Zipping results"
+    python benchmarks/compression/summarize_stats.py --results_dir $RESULT_DIR --scenes $SCENE_LIST
+else
+    echo "zip command not found, skipping zipping"
+fi