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A minimal ply conversion tools

Project description

About seplot

seplot is a frontend for PyX to create plot from text files in command line or through a python interface. Developed by Serge Dmitrieff. https://www.biophysics.fr

Installation

Installing with pip3 (recommended)

$ pip3 install ply_convert

Required packages

ply_convert requires Sklearn, Numpy, plyfile, and sio_tools. They will be downloaded when installed with pip3.

Syntax

   ply_convert [INPUT_FILE [INPUT_FILE_2 _3 ... ]] [out=OUTPUT_FILE] [OPTION=VALUE]  [-ADDITIONAL_OPTIONS]

OPTIONS

Options are to be written as opt=value or -option  
Unless mentioned otherwise, options are not applied by default  

Supported options :  
    out=            : name of output file (single file job) // extension of output file (multiple files)  
    scale=          : scale to be applied to points (float or 3x1 vector)  
    length=         : length of object on dimension of maximal variance  
    thickness=      : adds to each point a vector thickness*normal  
    batch=          : apply to all files of a certain type  
    path=           : path in which to look for files for batch operation  
    label=          : label of mesh, added when saving mesh files  
    orientation=    : orientation of normals (+1 : towards outside, -1 : towards inside)  
    prefix=         : add a prefix to output file name (multiple files)  
    suffix=         : add a suffix to output file name (multiple files)  
    -center         : center the data around [0,0,0]  
    -align          : aligns data to dimension x  
    -normals        : computes normals from faces  
    -verbose        : verbose output  
    -fixnorms       : makes sure normals are inwards (equivalent to option orientation=-1)  
    -fixuint        : fixes format to meshlab-friendly  

    batch=          : extension of files to process in batch (support multiple)  
    ** batch only **  
    path=            : folder in which to look for files (support multiple)  
    include=         : string that *must* be included in file name (support multiple)  
    exclude=         : string that *must not* be included in file name (support multiple)  
    -recursive       : searches recursively for files  

EXAMPLES :

            ply_convert file.ply out=file.mesh  

converts a ply file file.ply to a mesh file file.mesh

            ply_convert.py file.mesh normals=1 out=file.ply  

converts a mesh file to a ply file, and computes the normal at each point

            ply_convert file_1.ply file_2.ply file_3.ply out=.mesh  

converts file_1.ply file_2.ply file_3.ply into mesh files

            ply_convert file.ply -center -align -normals length=7 -verbose thickness=0.15 scale='1.0 1.0 2.0'
                                verbose=1 out=thickened.mesh out=thickened.ply  

converts a ply file to a ply and a mesh file after centering, aligning, computing normals, scaling the object to a length of 7, and adding an extra thickness of 0.15, then scaling the z axis with a factor 2

            ply_convert.py batch=.ply path='/home/user/simulations/' out='.ply' scale=0.1 -recursive prefix=scaled_   

Recursively find ply files in '/home/user/simulations/', scales them to a factor of 0.1, and saves them to FOLDER/suffix_NAME.ply with NAME the filename and FOLDER the folder name

            ply_convert.py file.ply out=fixed_file.ply -fixuint  

fixes the header of a mesh file saved by tinyply (C++) so that it doesn't crash with meshlab.

Project details


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