[Paraview] How PV detects valid file formats?

[David E DeMarle]

In general yes.

In this instance, the only standard reader for ".cas" files is
vtkFLUENTReader. Unless you've loaded some plugin then,
vtkFLUENTReader is what considers your file to be corrupt.

David E DeMarle
Kitware, Inc.
R&D Engineer
28 Corporate Drive
Clifton Park, NY 12065-8662
Phone: 518-371-3971 x109



On Mon, Nov 9, 2009 at 10:30 AM, Fred Fred <stan1313 at hotmail.fr> wrote:
> Should I understand your answer, esp. the CanReadFile Method, as follows: my
> fluent file with extension .cas may be corrupt and since there are several
> formats with .cas extension, the CanReadFile method associated with all of
> these formats returned false and them the file name disappeared from the
> list?
>
>> From: dave.demarle at kitware.com
>> Date: Mon, 9 Nov 2009 08:53:53 -0500
>> Subject: Re: [Paraview] How PV detects valid file formats?
>> To: stan1313 at hotmail.fr
>> CC: paraview at paraview.org
>>
>> The choice works like this:
>>
>> ParaView has an internal list for the initial file extension to reader
>> mapping.
>> The default list is in
>> Qt/Components/Resources/XML/ParaViewReaders.xml. When you load a
>> reader type plugin that list is extended by any new extensions from
>> the reader's xml.
>> When there is more than one reader that recognizes the same file
>> extension, the reader that comes last in the list is used, or more
>> specifically tried, first.
>> I say tried because readers _can_ have a CanReadFile method, in which
>> the reader snoops the file to determine if it really can read it. If
>> that call returns false, the next reader gets a chance and so on.
>>
>> David E DeMarle
>> Kitware, Inc.
>> R&D Engineer
>> 28 Corporate Drive
>> Clifton Park, NY 12065-8662
>> Phone: 518-371-3971 x109
>>
>>
>>
>> On Sun, Nov 8, 2009 at 11:17 AM, Fred Fred <stan1313 at hotmail.fr> wrote:
>> > My problem is I have a Fluent data file with extension .cas and this
>> > file is
>> > not displayed in the list of available files if I select Fluent in the
>> > list.
>> > I have another file that is detected though, so I wonder if PV reads the
>> > header of all files suspected of being read before decidig to offer them
>> > as
>> > valid choices to the user? Or is the issue anywhere else?
>> >
>> >
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