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Re: [cgal-discuss] CGAL exception while reading CNOFF file


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  • From: Maxime Gimeno <>
  • To:
  • Subject: Re: [cgal-discuss] CGAL exception while reading CNOFF file
  • Date: Fri, 31 Jan 2020 10:54:25 +0100
  • Authentication-results: mail3-smtp-sop.national.inria.fr; spf=None ; spf=Pass ; spf=None
  • Ironport-phdr: 9a23:0NZ0Nh04NP1C59gIsmDT+DRfVm0co7zxezQtwd8ZseIRLfad9pjvdHbS+e9qxAeQG9mCt7QY06GO7uigATVGvc/a9ihaMdRlbFwssY0uhQsuAcqIWwXQDcXBSGgEJvlET0Jv5HqhMEJYS47UblzWpWCuv3ZJQk2sfQV6Kf7oFYHMks+5y/69+4HJYwVPmTGxfa5+IA+5oAnMucQam4RvJro+xhfVonZDZuBayX91KV6JkBvw+8m98IR//yhMvv4q6tJNX7j9c6kkV7JTES4oM3oy5M3ltBnDSRWA634BWWgIkRRGHhbI4gjiUpj+riX1uOx92DKHPcLtVrA7RS6i76ZwRxD2jioMKiM0/3vWisx0i6JbvQ6hqhliyIPafI2ZKPxzdb7bcNgHR2ROQ9xRWjRODYOybYQBD+QPM+VFoYfju1QDtgGxCRW2Ce711jNEmn370Ksn2OohCwHG2wkgEsoJvnvOo9T1NaISXv6ox6fJzDXDau1Z2TH66IPVdR0hpOuDXL1xccrU10YjDQzFjlSVqYP7OTOV0f8As2ee7+V6VOKvj3QrpB12ojiq38ohjJTCiIwSylDB7yp5wYA1KMW5SE59e96kEYFfuzuUN4tsWs8iTXpouDsgxrIYpJG7YS4Hw4kkyR7Hc/GLbZSE7xb5WOuSITp0nm9pdbO9ihqo7EStyfHwW8+p21hQtCVFiMPDtnUV2hzT9MeHTvx981+k2TmV1gDT7vhIIUc1labGMpIhzKM8m5kPvUjZES/2n0L2jKCSdko64OSn9+PnYrD+qp+dMY97lB3+P7wwlsCjBek0KAsDUmiB9eih1bDu/1f1TKhJg/EqiqXZtYrVJcUfpq63GQ9V1YMj5g66Dzi839UYnHwHI0xfdBKIjojpPk/BIPb/DfqkjFSslS1kx/HCPrH7HprNKX3DnK/7fblh805c1BYzzddH6p1IBbEOOvbzVlbsu9zZFR82LxG0w/38CNhmzYMfWWePAreDP6/IsF+I4PgvI+iWa4MPtjb9Matt2vj1kHVsmUMBZbL7mtwMeXWgF7JnJV+YaDzimJAaAGISt00/SuLtz1aNWDoWa3epVL8n/WIHD9etAo7HA4ysm7ecxzyTH5tMZ2kABErfP23vctChUucNbS/aDc5knzoDHeykQp8g0Bzouw7/xrxgBuXR8ywc85nk0Y4mtKXoiRgu+GksXIym2GaXQjQsxz5ad3oNxKl65HdF5BKD3Kx/2aIKENVS47ZOU15/O8eMl6p1DNf9Xg+HddCMGg7/HoeWRAopR9d0+OcgJl5nEoz73B/G1iuuRbQSku7TXc1mwufnx3H0Yv1F5TPD3aglgUMhR5IWZ2Kjj697sQPUAtyQng==
Indeed. There is a bug in our reader, if comments are found between the COFF and the 8 6 12, we crash. I'm going to fix that.

Le ven. 31 janv. 2020 à 10:46, J. Scheurich <> a écrit :

> Your input file is not following the standard, that is why it crashes
> in CGAL.

I found a COFF file in the internet:

https://people.sc.fsu.edu/~jburkardt/data/off/vertcube.off

This loads in meshlab and shows colors but it fails to be read with CGAL
in the following lines:
>
>     >
>     >      if (!input || !(input >> *mesh)) {
>     >          perror(filename);
>     >      }
>     ....
>     >
>     >      for (SurfaceMesh::Vertex_index vi : mesh->vertices()) {
>     >          verts.push_back(mesh->point(vi));
>     >          if (colorExists )
>     >              cols.push_back(vcolors[vi]);
>     >      }
>

Empty loop (found with  gdb).

so long
MUFTI

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