Getting can't write image error when running aliceVision_depthMapFiltering

[hammady]

I am using the latest code from the develop branch. Trying to run the photogrammetry pipeline provided by meshroom and using the dataset at https://github.com/alicevision/dataset_monstree.git. When running the DepthMapFiltering I get the error:

Can't write output image file.

Here is the command line:

aliceVision_depthMapFiltering --input "/output/StructureFromMotion/69ebfcc0ccad70954d1c1eae96cb884a78af473c/sfm.abc" --depthMapsFolder "/output/DepthMap/0aa86af342f93537e0dca8811145893562287f86" --minViewAngle 2.0 --maxViewAngle 70.0 --nNearestCams 10 --minNumOfConsistentCams 3 --minNumOfConsistentCamsWithLowSimilarity 4 --pixToleranceFactor 2.0 --pixSizeBall 0 --pixSizeBallWithLowSimilarity 0 --computeNormalMaps False --verboseLevel debug --output "/output/DepthMapFilter/487021fa7fd18ab9cb571134183c9fc5c1825928" --rangeStart 0 --rangeSize 10

And here is the output:

[trace]   Embedded OCIO configuration file: '/opt/AliceVision_install/share/aliceVision/config.ocio' found.
Program called with the following parameters:
 * computeNormalMaps = 0
 * depthMapsFolder = "/output/DepthMap/0aa86af342f93537e0dca8811145893562287f86"
 * input = "/output/StructureFromMotion/69ebfcc0ccad70954d1c1eae96cb884a78af473c/sfm.abc"
 * maxCoresAvailable =  Unknown Type "j" (default)
 * maxMemoryAvailable = 18446744073709551615 (default)
 * maxViewAngle = 70
 * minNumOfConsistentCams = 3
 * minNumOfConsistentCamsWithLowSimilarity = 4
 * minViewAngle = 2
 * nNearestCams = 10
 * output = "/output/DepthMapFilter/487021fa7fd18ab9cb571134183c9fc5c1825928"
 * pixSizeBall = 0
 * pixSizeBallWithLowSimilarity = 0
 * pixToleranceFactor = 2
 * rangeSize = 10
 * rangeStart = 0
 * verboseLevel = "debug"

Hardware : 
        Detected core count : 1
        OpenMP will use 1 cores
        Detected available memory : 2794 Mo
[04:39:33.051843][debug] 0 samples found in this animated xform.
[04:39:33.053207][debug] 0 samples found in this animated xform.
[04:39:33.053940][debug] 0 samples found in this animated xform.
[04:39:33.055563][debug] 0 samples found in this animated xform.
[04:39:33.055854][debug] 0 samples found in this animated xform.
[04:39:33.061146][info] Found 1 image dimension(s): 
[04:39:33.062356][info]         - [4032x3024]
[04:39:33.066892][debug] Reading view 2170356 projection matrix from image metadata.
[04:39:33.068728][debug] Reading view 419154487 projection matrix from image metadata.
[04:39:33.070667][debug] Reading view 845663414 projection matrix from image metadata.
[04:39:33.071767][info] Overall maximum dimension: [2016x1512]
[04:39:33.072767][info] Filter depth maps.
[04:39:33.073737][info] Precomputing groups.
[04:39:33.074612][debug] [IO] Read Image: /output/DepthMap/0aa86af342f93537e0dca8811145893562287f86/2170356_depthMap.exr
[04:39:33.208877][debug] [IO] Read Image: /output/DepthMap/0aa86af342f93537e0dca8811145893562287f86/2170356_simMap.exr
[04:39:33.320081][info] Found only 2/10 nearest cameras for view id: 2170356
[04:39:33.321778][debug] [IO] Read Image: /output/DepthMap/0aa86af342f93537e0dca8811145893562287f86/419154487_depthMap.exr
[04:39:35.297578][debug] [IO] Read Image: /output/DepthMap/0aa86af342f93537e0dca8811145893562287f86/845663414_depthMap.exr
[04:39:37.173888][debug] [IO] Write Image: /output/DepthMapFilter/487021fa7fd18ab9cb571134183c9fc5c1825928/2170356_nmodMap.png
        - width: 2016
        - height: 1512
        - channels: 1
terminate called after throwing an instance of 'std::runtime_error'
  what():  Can't write output image file '/output/DepthMapFilter/487021fa7fd18ab9cb571134183c9fc5c1825928/2170356_nmodMap.png'.
Aborted (core dumped)

Note that this is for the mini3 folder only, but same happens for mini6 and full.

Running on CUDA 11.8.0 and Nvidia T4 although I guess this command doesn't use GPU.

I checked the related lines of code but couldn't figure out why the image writing fails. Tried inspecting the core dump but it was not helpful other than pointing me to Fuser.cpp where the call to image::writeImageWithFloat fails.

#0  __pthread_kill_implementation (no_tid=0, signo=6, threadid=139959102472192) at ./nptl/pthread_kill.c:44
#1  __pthread_kill_internal (signo=6, threadid=139959102472192) at ./nptl/pthread_kill.c:78
#2  __GI___pthread_kill (threadid=139959102472192, signo=signo@entry=6) at ./nptl/pthread_kill.c:89
#3  0x00007f4aca451476 in __GI_raise (sig=sig@entry=6) at ../sysdeps/posix/raise.c:26
#4  0x00007f4aca4377f3 in __GI_abort () at ./stdlib/abort.c:79
#5  0x00007f4aca6fbbbe in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#6  0x00007f4aca70724c in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#7  0x00007f4aca706229 in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#8  0x00007f4aca706999 in __gxx_personality_v0 () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#9  0x00007f4aca64fc64 in ?? () from /usr/lib/x86_64-linux-gnu/libgcc_s.so.1
#10 0x00007f4aca6506bd in _Unwind_Resume () from /usr/lib/x86_64-linux-gnu/libgcc_s.so.1
#11 0x00007f4acb3c21a3 in aliceVision::fuseCut::Fuser::filterGroupsRC(int, float, int, int, int) [clone .cold] () from /opt/AliceVision_install/lib/libaliceVision_fuseCut.so.2
#12 0x00007f4acb409033 in aliceVision::fuseCut::Fuser::filterGroups(std::vector<int, std::allocator<int> > const&, float, int, int, int) [clone ._omp_fn.0] () from /opt/AliceVision_install/lib/libaliceVision_fuseCut.so.2
#13 0x00007f4ac9b1ea16 in GOMP_parallel () from /usr/lib/x86_64-linux-gnu/libgomp.so.1
#14 0x00007f4acb406075 in aliceVision::fuseCut::Fuser::filterGroups(std::vector<int, std::allocator<int> > const&, float, int, int, int) () from /opt/AliceVision_install/lib/libaliceVision_fuseCut.so.2
#15 0x0000563fe1568956 in aliceVision_main(int, char**) ()
#16 0x0000563fe1564b73 in main ()

[hammady]

Ended up being oiio was not built with PNG support due to installing libpng-dev from apt-get. While this may seem intuitive but the CMakeFiles skip using PNG if it was not installed from the embedded libraries!