[Paraview] Attach arrows onto streamlines/stream tubes more smoothly

[Andy Bauer]

I think it is because you have set the Shaft radius to 0. The start of the
arrow doesn't appear because of this and I'm suspecting that the start of
the arrow is centered along the streamline. Maybe try using using either a
non-zero value for the Shaft radius that is bigger than the Tube radius or
use the Cone glyph type instead.

On Wed, Mar 15, 2017 at 5:59 PM, Liang Wang <frank0734 at gmail.com> wrote:

> Hi Andy,
>
> The results are similar if I apply glyph on streamlines directly (see the
> attached image).
>
> I guess the difficulty part is that arrow heads are not easily centered on
> lines/tubes?
>
> On Wed, Mar 15, 2017 at 5:50 PM, Andy Bauer <andy.bauer at kitware.com>
> wrote:
>
>> Hi,
>>
>> How does it look if you Glyph the streamlines themselves instead of the
>> tubes?
>>
>> On Wed, Mar 15, 2017 at 5:40 PM, Liang Wang <frank0734 at gmail.com> wrote:
>>
>>> By using the arrow glyph filter on the lines/tubes, the arrows are often
>>> slightly dislocated (and thus slightly misaligned) from the tubes
>>> themselves (see the attached image).
>>>
>>> In comparison, I am trying to get images like
>>> http://www.tecplot.com/wp-content/uploads/2016/01/fstream.jpg or
>>> https://i.stack.imgur.com/z8nkm.png
>>>
>>> Logically, the arrows could have been an attribute of the
>>> streamlines/stream tubes?
>>>
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