[vtkusers] vtkGlyph3D problem?

[Bill Chivas]

Hi Jerome,

good argument!
I use glyph mechanism in order to represent the points on the grid. Can you
think of other way to do that?
Again, it seems to me impossible that there is no way with vtk to visualize
the points and the grid at the same time!

Bill

2010/4/13 Jérôme <jerome.velut at gmail.com>

> Hi,
> The "not able to allocate..." message is the usual one when you don't have
> enough memory.
> Don't forget that your sphere will be copied at each input point. Thus the
> final number of
> points will be:
>    number_of_sphere_points * number_of_input_points
>
> eg. 20x20 spheres = 400 points * 75k = 30M
>
> each input point data is copied over each sphere point. It multiplies the
> amount of needed
> memory as well (fo instance, a tensor multiplies by 9, if it's double data
> it is 4 octets
> more, etc.)
>
> HTH
> Jerome
>
>
> 2010/4/13 Sebastian Gatzka <sebastian.gatzka at stud.tu-darmstadt.de>
>
>>  I'm experiencing the same problem!
>>
>> Any ideas? Lack of memory?
>>
>> Am 13.04.2010 10:27, schrieb Bill Chivas:
>>
>> Hi all,
>>
>> i use vtkGlyph3D with source a vtkSphereSource and input a
>> vtkunstructuredgrid.
>> Grids with small number of vertices (approximately <10K ) are glyphed ok.
>> But large grids (e.g. vertices==75K) are not glyphed! A vtk message
>> appears saying "not able to allocate...something" (i can't read the whole).
>>
>> What is the problem? Large grids with many vertices can't be glyphed?
>>
>> Bill
>>
>>
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