[vtkusers] vtkPoints + InsertPoint

[Bill Chivas]

Maybe it has to do with the vtkPoints and how the memory is allocated?
I also tried the SetNumberOfPoints(2147483647), but i get runtime error.

2010/3/12 Bill Chivas <noo134 at googlemail.com>

> The range of integers (signed) is 2147483647 which is much bigger than my
> numbers (e.g. 60983688).
> That's why i can't understand the error...
>
> 2010/3/12 Rakesh Patil <rakeshthp at in.com>
>
>
>> Hi,
>>
>> According to me, InsertPoint()'s first parameter is of type vtkIdType
>> which is in turn typedef of integer..
>>
>> Being an integer variable, of 4 bytes, it has a limit of range... See this
>>
>> http://msdn.microsoft.com/en-us/library/s3f49ktz%28VS.80%29.aspx
>>
>> Thus, i guess, it goes out of the range and it produces this error.. As
>> you said, for small numbers it works fine, That should be the cause..
>>
>> Thanks
>>
>> Regards
>> Rakesh Patil
>>
>>
>> ---------- Original message ----------
>> From:Bill Chivas< noo134 at googlemail.com >
>> Date: 12 Mar 10 15:53:19
>> Subject: [vtkusers] vtkPoints + InsertPoint
>> To: vtkusers at vtk.org
>>
>> Hi all,
>>  i use
>>  vtkPoints *points = vtkPoints::New();
>> points->InsertPoint(60983688, x, y, z);
>> points->InsertPoint(60984688, x, y, z);
>> points->InsertPoint(60985688, x, y, z);
>> points->InsertPoint(60986688, x, y, z);
>> and so on (10 points)
>>  and i get the error: "ERROR: In c:\vtk\common\vtkDataArrayTemplate.txx,
>> line 358
>> vtkFloatArray (03A17E38): Unable to allocate 366022158 elements of size 4
>> bytes."
>>  I think it has to do with the fact i set as id a big number (NOT out of
>> range, though).
>> When i set small numbers as ids, i get no errors.
>>  Can anyone help?
>>  Thanks,
>> Bill
>>
>>
>
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