create_from_cellranger (function)

Read a 10x Genomics cellranger folder and produce a corresponding Loom file.

loompy.create_from_cellranger(indir: str, outdir: str = None, genome: str = None) → str[source]

Create a .loom file from 10X Genomics cellranger output

  • indir (str) – path to the cellranger output folder (the one that contains ‘outs’)

  • outdir (str) – output folder wher the new loom file should be saved (default to indir)

  • genome (str) – genome build to load (e.g. ‘mm10’; if None, determine species from outs folder)


Full path to the created loom file.

Return type

path (str)


The resulting file will be named {sampleID}.loom, where the sampleID is the one given by cellranger.