Re: [Gmsh] Visualising point data imported from MED files

[Tomasz Koziara]

Indeed, thank you, it worked:)
Tomek

On 18 May 2018 at 14:42, Christophe Geuzaine  wrote:

>
> Your file is almost correct: you just need to fix the node indices in the
> point elements (you start referencing nodes at index 0, while the nodes
> actually start at 1).
>
> (I have patched Gmsh to not crash anymore when the indices are incorrect.)
>
> Cheers,
>
> Christophe
>
>
> On 18 May 2018, at 09:20, Tomasz Koziara  wrote:
>
> Dear Christophe,
>
> Here is an output file with POINT1 elements exported using the previously
> quoted lines of code:
>
> https://www.dropbox.com/s/izu5o15b2ow8y9u/spring_system0rb_ele.med.gz?dl=0
>
> And here is a stack trace of the crush which I am getting on a OS X
> 10.10.5 when opening this file with Gmsh 3.0.6:
>
> https://www.dropbox.com/s/q4fdk6thv2woy7q/spring_system0rb_bug.txt.gz?dl=0
>
> If there is a better way of annotating the MED file with elements
> information in this case, I would appreciate an advice:)
>
> Best regards,
> Tomek
>
>
> On 17 May 2018 at 21:36, Christophe Geuzaine  wrote:
>
>>
>> HI Tomasz,
>>
>> I'm not sure that we have actually tested it, but looking back at our MED
>> reader we should handle the case. Don't hesitate to send your tentative MED
>> files with point elements in them - we'll have a look.
>>
>> Ch.
>>
>> On 17 May 2018, at 21:32, Tomasz Koziara  wrote:
>>
>> Ha, ha:) I tried that, but failed, for the time being:) I only have the
>> examples distributed with MED library to provide inspiration; That was the
>> code:
>>
>> std::vector conn;
>> for (i = 0; i < num; i ++)
>> {
>>   conn.push_back(i);
>> }
>>
>> ASSERT (MEDmeshElementConnectivityWr(fid, meshName, MED_NO_DT,
>> MED_NO_IT, 0., MED_CELL, MED_POINT1,
>> MED_NODAL, MED_FULL_INTERLACE, conn.size(), &conn[0]) >= 0,
>> "Could not write MED elements");
>>
>> which is just a minor modification of the standard output for volumetric
>> elements; do feel free to advice on a more suitable way of doing that:)
>> Thank You; Tomek
>>
>> On 17 May 2018 at 21:09, Christophe Geuzaine  wrote:
>>
>>>
>>> Gmsh displays all meshes and post-processing data based on elements: so
>>> indeed you will need to add "point elements" (1 point for each vertex) in
>>> the med file in order to visualize it.
>>>
>>> Christophe
>>>
>>>
>>> On 17 May 2018, at 14:56, Tomasz Koziara  wrote:
>>>
>>> Dear Christophe,
>>>
>>> Here: https://www.dropbox.com/s/ve8rm3qjyvew1uq/spring_syste
>>> m0rb.med.gz?dl=0
>>>
>>> Best regards,
>>> Tomek
>>>
>>>
>>>
>>> On 17 May 2018 at 08:50, Christophe Geuzaine  wrote:
>>>

 Can you send a (small) example file?

 On 14 May 2018, at 13:08, Tomasz Koziara  wrote:

 Hi,

 Continuing development of MED export in parmec
  I keep using Gmsh to test it. This time I
 am exporting nodes with time dependent scalar and vector fields attached to
 them. There are no elements or connectivity declared in the mesh. After
 import Gmsh shows all the views (per field) but I am not able to visualise
 anything. I would appreciate a helpful hint or comment:)

 Thank you,
 Tomek
 ___
 gmsh mailing list
 gmsh@onelab.info
 http://onelab.info/mailman/listinfo/gmsh



>>> ___
>>> gmsh mailing list
>>> gmsh@onelab.info
>>> http://onelab.info/mailman/listinfo/gmsh
>>>
>>>
>>>
>>
>>
>
>
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Re: [Gmsh] Visualising point data imported from MED files

[Tomasz Koziara]

Dear Christophe,

Here is an output file with POINT1 elements exported using the previously
quoted lines of code:

https://www.dropbox.com/s/izu5o15b2ow8y9u/spring_system0rb_ele.med.gz?dl=0

And here is a stack trace of the crush which I am getting on a OS X 10.10.5
when opening this file with Gmsh 3.0.6:

https://www.dropbox.com/s/q4fdk6thv2woy7q/spring_system0rb_bug.txt.gz?dl=0

If there is a better way of annotating the MED file with elements
information in this case, I would appreciate an advice:)

Best regards,
Tomek


On 17 May 2018 at 21:36, Christophe Geuzaine  wrote:

>
> HI Tomasz,
>
> I'm not sure that we have actually tested it, but looking back at our MED
> reader we should handle the case. Don't hesitate to send your tentative MED
> files with point elements in them - we'll have a look.
>
> Ch.
>
> On 17 May 2018, at 21:32, Tomasz Koziara  wrote:
>
> Ha, ha:) I tried that, but failed, for the time being:) I only have the
> examples distributed with MED library to provide inspiration; That was the
> code:
>
> std::vector conn;
> for (i = 0; i < num; i ++)
> {
>   conn.push_back(i);
> }
>
> ASSERT (MEDmeshElementConnectivityWr(fid, meshName, MED_NO_DT, MED_NO_IT,
> 0., MED_CELL, MED_POINT1,
> MED_NODAL, MED_FULL_INTERLACE, conn.size(), &conn[0]) >= 0, "Could
> not write MED elements");
>
> which is just a minor modification of the standard output for volumetric
> elements; do feel free to advice on a more suitable way of doing that:)
> Thank You; Tomek
>
> On 17 May 2018 at 21:09, Christophe Geuzaine  wrote:
>
>>
>> Gmsh displays all meshes and post-processing data based on elements: so
>> indeed you will need to add "point elements" (1 point for each vertex) in
>> the med file in order to visualize it.
>>
>> Christophe
>>
>>
>> On 17 May 2018, at 14:56, Tomasz Koziara  wrote:
>>
>> Dear Christophe,
>>
>> Here: https://www.dropbox.com/s/ve8rm3qjyvew1uq/spring_syste
>> m0rb.med.gz?dl=0
>>
>> Best regards,
>> Tomek
>>
>>
>>
>> On 17 May 2018 at 08:50, Christophe Geuzaine  wrote:
>>
>>>
>>> Can you send a (small) example file?
>>>
>>> On 14 May 2018, at 13:08, Tomasz Koziara  wrote:
>>>
>>> Hi,
>>>
>>> Continuing development of MED export in parmec
>>>  I keep using Gmsh to test it. This time I
>>> am exporting nodes with time dependent scalar and vector fields attached to
>>> them. There are no elements or connectivity declared in the mesh. After
>>> import Gmsh shows all the views (per field) but I am not able to visualise
>>> anything. I would appreciate a helpful hint or comment:)
>>>
>>> Thank you,
>>> Tomek
>>> ___
>>> gmsh mailing list
>>> gmsh@onelab.info
>>> http://onelab.info/mailman/listinfo/gmsh
>>>
>>>
>>>
>> ___
>> gmsh mailing list
>> gmsh@onelab.info
>> http://onelab.info/mailman/listinfo/gmsh
>>
>>
>>
>
>
___
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Re: [Gmsh] Visualising point data imported from MED files

[Christophe Geuzaine]

Your file is almost correct: you just need to fix the node indices in the point 
elements (you start referencing nodes at index 0, while the nodes actually 
start at 1).

(I have patched Gmsh to not crash anymore when the indices are incorrect.)

Cheers,

Christophe

> On 18 May 2018, at 09:20, Tomasz Koziara  wrote:
> 
> Dear Christophe,
> 
> Here is an output file with POINT1 elements exported using the previously 
> quoted lines of code:
> 
> https://www.dropbox.com/s/izu5o15b2ow8y9u/spring_system0rb_ele.med.gz?dl=0 
> 
> 
> And here is a stack trace of the crush which I am getting on a OS X 10.10.5 
> when opening this file with Gmsh 3.0.6:
> 
> https://www.dropbox.com/s/q4fdk6thv2woy7q/spring_system0rb_bug.txt.gz?dl=0 
> 
> 
> If there is a better way of annotating the MED file with elements information 
> in this case, I would appreciate an advice:)
> 
> Best regards,
> Tomek
> 
> 
> On 17 May 2018 at 21:36, Christophe Geuzaine  > wrote:
> 
> HI Tomasz,
> 
> I'm not sure that we have actually tested it, but looking back at our MED 
> reader we should handle the case. Don't hesitate to send your tentative MED 
> files with point elements in them - we'll have a look.
> 
> Ch.
> 
>> On 17 May 2018, at 21:32, Tomasz Koziara > > wrote:
>> 
>> Ha, ha:) I tried that, but failed, for the time being:) I only have the 
>> examples distributed with MED library to provide inspiration; That was the 
>> code:
>> 
>> std::vector conn;
>> for (i = 0; i < num; i ++)
>> {
>>   conn.push_back(i);
>> }
>> 
>> ASSERT (MEDmeshElementConnectivityWr(fid, meshName, MED_NO_DT, MED_NO_IT, 
>> 0., MED_CELL, MED_POINT1,
>> MED_NODAL, MED_FULL_INTERLACE, conn.size(), &conn[0]) >= 0, "Could 
>> not write MED elements");
>> 
>> which is just a minor modification of the standard output for volumetric 
>> elements; do feel free to advice on a more suitable way of doing that:) 
>> Thank You; Tomek
>> 
>> On 17 May 2018 at 21:09, Christophe Geuzaine > > wrote:
>> 
>> Gmsh displays all meshes and post-processing data based on elements: so 
>> indeed you will need to add "point elements" (1 point for each vertex) in 
>> the med file in order to visualize it.
>> 
>> Christophe
>> 
>> 
>>> On 17 May 2018, at 14:56, Tomasz Koziara >> > wrote:
>>> 
>>> Dear Christophe,
>>> 
>>> Here: 
>>> https://www.dropbox.com/s/ve8rm3qjyvew1uq/spring_system0rb.med.gz?dl=0 
>>> 
>>> 
>>> Best regards,
>>> Tomek
>>> 
>>> 
>>> 
>>> On 17 May 2018 at 08:50, Christophe Geuzaine >> > wrote:
>>> 
>>> Can you send a (small) example file?
>>> 
 On 14 May 2018, at 13:08, Tomasz Koziara >>> > wrote:
 
 Hi,
 
 Continuing development of MED export in parmec  
 I keep using Gmsh to test it. This time I am exporting nodes with time 
 dependent scalar and vector fields attached to them. There are no elements 
 or connectivity declared in the mesh. After import Gmsh shows all the 
 views (per field) but I am not able to visualise anything. I would 
 appreciate a helpful hint or comment:)
 
 Thank you,
 Tomek
 ___
 gmsh mailing list
 gmsh@onelab.info 
 http://onelab.info/mailman/listinfo/gmsh 
 
>>> 
>>> 
>>> ___
>>> gmsh mailing list
>>> gmsh@onelab.info 
>>> http://onelab.info/mailman/listinfo/gmsh 
>>> 
>> 
>> 
> 
> 

___
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Re: [Gmsh] Visualising point data imported from MED files

[Tomasz Koziara]

Ha, ha:) I tried that, but failed, for the time being:) I only have the
examples distributed with MED library to provide inspiration; That was the
code:

std::vector conn;

for (i = 0; i < num; i ++)

{

  conn.push_back(i);

}


ASSERT (MEDmeshElementConnectivityWr(fid, meshName, MED_NO_DT, MED_NO_IT,
0., MED_CELL, MED_POINT1,

MED_NODAL, MED_FULL_INTERLACE, conn.size(), &conn[0]) >= 0, "Could
not write MED elements");

which is just a minor modification of the standard output for volumetric
elements; do feel free to advice on a more suitable way of doing that:)
Thank You; Tomek

On 17 May 2018 at 21:09, Christophe Geuzaine  wrote:

>
> Gmsh displays all meshes and post-processing data based on elements: so
> indeed you will need to add "point elements" (1 point for each vertex) in
> the med file in order to visualize it.
>
> Christophe
>
>
> On 17 May 2018, at 14:56, Tomasz Koziara  wrote:
>
> Dear Christophe,
>
> Here: https://www.dropbox.com/s/ve8rm3qjyvew1uq/spring_syste
> m0rb.med.gz?dl=0
>
> Best regards,
> Tomek
>
>
>
> On 17 May 2018 at 08:50, Christophe Geuzaine  wrote:
>
>>
>> Can you send a (small) example file?
>>
>> On 14 May 2018, at 13:08, Tomasz Koziara  wrote:
>>
>> Hi,
>>
>> Continuing development of MED export in parmec
>>  I keep using Gmsh to test it. This time I am
>> exporting nodes with time dependent scalar and vector fields attached to
>> them. There are no elements or connectivity declared in the mesh. After
>> import Gmsh shows all the views (per field) but I am not able to visualise
>> anything. I would appreciate a helpful hint or comment:)
>>
>> Thank you,
>> Tomek
>> ___
>> gmsh mailing list
>> gmsh@onelab.info
>> http://onelab.info/mailman/listinfo/gmsh
>>
>>
>>
> ___
> gmsh mailing list
> gmsh@onelab.info
> http://onelab.info/mailman/listinfo/gmsh
>
>
>
___
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Re: [Gmsh] Visualising point data imported from MED files

[Christophe Geuzaine]

HI Tomasz,

I'm not sure that we have actually tested it, but looking back at our MED 
reader we should handle the case. Don't hesitate to send your tentative MED 
files with point elements in them - we'll have a look.

Ch.

> On 17 May 2018, at 21:32, Tomasz Koziara  wrote:
> 
> Ha, ha:) I tried that, but failed, for the time being:) I only have the 
> examples distributed with MED library to provide inspiration; That was the 
> code:
> 
> std::vector conn;
> for (i = 0; i < num; i ++)
> {
>   conn.push_back(i);
> }
> 
> ASSERT (MEDmeshElementConnectivityWr(fid, meshName, MED_NO_DT, MED_NO_IT, 0., 
> MED_CELL, MED_POINT1,
> MED_NODAL, MED_FULL_INTERLACE, conn.size(), &conn[0]) >= 0, "Could 
> not write MED elements");
> 
> which is just a minor modification of the standard output for volumetric 
> elements; do feel free to advice on a more suitable way of doing that:) Thank 
> You; Tomek
> 
> On 17 May 2018 at 21:09, Christophe Geuzaine  > wrote:
> 
> Gmsh displays all meshes and post-processing data based on elements: so 
> indeed you will need to add "point elements" (1 point for each vertex) in the 
> med file in order to visualize it.
> 
> Christophe
> 
> 
>> On 17 May 2018, at 14:56, Tomasz Koziara > > wrote:
>> 
>> Dear Christophe,
>> 
>> Here: https://www.dropbox.com/s/ve8rm3qjyvew1uq/spring_system0rb.med.gz?dl=0 
>> 
>> 
>> Best regards,
>> Tomek
>> 
>> 
>> 
>> On 17 May 2018 at 08:50, Christophe Geuzaine > > wrote:
>> 
>> Can you send a (small) example file?
>> 
>>> On 14 May 2018, at 13:08, Tomasz Koziara >> > wrote:
>>> 
>>> Hi,
>>> 
>>> Continuing development of MED export in parmec  
>>> I keep using Gmsh to test it. This time I am exporting nodes with time 
>>> dependent scalar and vector fields attached to them. There are no elements 
>>> or connectivity declared in the mesh. After import Gmsh shows all the views 
>>> (per field) but I am not able to visualise anything. I would appreciate a 
>>> helpful hint or comment:)
>>> 
>>> Thank you,
>>> Tomek
>>> ___
>>> gmsh mailing list
>>> gmsh@onelab.info 
>>> http://onelab.info/mailman/listinfo/gmsh 
>>> 
>> 
>> 
>> ___
>> gmsh mailing list
>> gmsh@onelab.info 
>> http://onelab.info/mailman/listinfo/gmsh 
>> 
> 
> 

___
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Re: [Gmsh] Visualising point data imported from MED files

[Christophe Geuzaine]

Gmsh displays all meshes and post-processing data based on elements: so indeed 
you will need to add "point elements" (1 point for each vertex) in the med file 
in order to visualize it.

Christophe

> On 17 May 2018, at 14:56, Tomasz Koziara  wrote:
> 
> Dear Christophe,
> 
> Here: https://www.dropbox.com/s/ve8rm3qjyvew1uq/spring_system0rb.med.gz?dl=0 
> 
> 
> Best regards,
> Tomek
> 
> 
> 
> On 17 May 2018 at 08:50, Christophe Geuzaine  > wrote:
> 
> Can you send a (small) example file?
> 
>> On 14 May 2018, at 13:08, Tomasz Koziara > > wrote:
>> 
>> Hi,
>> 
>> Continuing development of MED export in parmec  I 
>> keep using Gmsh to test it. This time I am exporting nodes with time 
>> dependent scalar and vector fields attached to them. There are no elements 
>> or connectivity declared in the mesh. After import Gmsh shows all the views 
>> (per field) but I am not able to visualise anything. I would appreciate a 
>> helpful hint or comment:)
>> 
>> Thank you,
>> Tomek
>> ___
>> gmsh mailing list
>> gmsh@onelab.info 
>> http://onelab.info/mailman/listinfo/gmsh 
>> 
> 
> 
> ___
> gmsh mailing list
> gmsh@onelab.info
> http://onelab.info/mailman/listinfo/gmsh

___
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Re: [Gmsh] Visualising point data imported from MED files

[Tomasz Koziara]

Dear Christophe,

Here: https://www.dropbox.com/s/ve8rm3qjyvew1uq/spring_system0rb.med.gz?dl=0

Best regards,
Tomek



On 17 May 2018 at 08:50, Christophe Geuzaine  wrote:

>
> Can you send a (small) example file?
>
> On 14 May 2018, at 13:08, Tomasz Koziara  wrote:
>
> Hi,
>
> Continuing development of MED export in parmec  I
> keep using Gmsh to test it. This time I am exporting nodes with time
> dependent scalar and vector fields attached to them. There are no elements
> or connectivity declared in the mesh. After import Gmsh shows all the views
> (per field) but I am not able to visualise anything. I would appreciate a
> helpful hint or comment:)
>
> Thank you,
> Tomek
> ___
> gmsh mailing list
> gmsh@onelab.info
> http://onelab.info/mailman/listinfo/gmsh
>
>
>
___
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Re: [Gmsh] Visualising point data imported from MED files

[Christophe Geuzaine]

Can you send a (small) example file?

> On 14 May 2018, at 13:08, Tomasz Koziara  wrote:
> 
> Hi,
> 
> Continuing development of MED export in parmec  I 
> keep using Gmsh to test it. This time I am exporting nodes with time 
> dependent scalar and vector fields attached to them. There are no elements or 
> connectivity declared in the mesh. After import Gmsh shows all the views (per 
> field) but I am not able to visualise anything. I would appreciate a helpful 
> hint or comment:)
> 
> Thank you,
> Tomek
> ___
> gmsh mailing list
> gmsh@onelab.info
> http://onelab.info/mailman/listinfo/gmsh

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