[Gmsh] Error : Something wrong in edge loop computation Error : Surface 3 is transfinite but has -1 holes

[Daniel Brauss]

   Hi all,

>
>> I have a problem with a mesh that I am trying to create for a torus.
>> Specifically, it is a problem with a quadrilateral on the surface.
>
> I copied it out of the torus file and put it in the .geo file below
>>
>>
>> //----------------------------------------------------------
>>
>> Point(200) = {0.47099,0,0.19509,l};
>> Point(0)={0.509796,0,0,l};
>> Point(1)={0.548601,0.191342,0,l};
>> Point(201)={0.506842,0.191342,0.209941,l};
>>
>> Line(400) = {200,201};
>> Line(0)={0,1};
>> Line(200)={0,200};
>> Line(201)={1,201};
>>
>> Transfinite Line{0,200,201,400} = 5;
>>
>> Line Loop(3) = {0,201,-400,-200};
>> Ruled Surface(3) = {3};
>> Transfinite Surface{3} = {0, 1, 201, 200};
>> Recombine Surface{3} = 45;
>>
>> //---------------------------------------------------
>>
>> I am getting the error
>>
>> Error   : Something wrong in edge loop computation
>> Error   : Surface 3 is transfinite but has -1 holes
>>
>> Could anybody tell me what this error means and what
>> I can do to alleviate it.
>>
>> This is part of the surface of a 3d mesh I am trying to make for a torus
>> using hexahedrons.  I am trying to make "nice"
>> quadrilaterals on the surfaces like this one (just like in the hex.geo
>> file)
>
> so that I can get nice hexhadrons for the 3d mesh, but I am running into
>>
> this problem.
>>
>>
>> Thanks for your time,
>> Dan
>>
>
>
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