[vtk-developers] [vtkusers] 3D line and coordinate system

[Yumin Yuan]

Which version of VTK is this?

You can try to add the following after setting the two line points.

line->Update();

Yumin

On Thu, Jan 10, 2013 at 3:47 AM, Pengdong Xiao <xiaopd at hotmail.com> wrote:
> Hi Yumin,
>
> Thank you very much for your e-mail. After I change the following:
>
> display1[2] = 0 ;
>
> the problem still exists. After I click mouse, a line will be drawn, but it
> isn't perpendicular to the screen; and each time the length is different.
> Any other suggestions? Many thanks.
>
> Best regards,
> Pengdong
>
>> Date: Wed, 9 Jan 2013 10:31:29 -0500
>> Subject: Re: [vtkusers] 3D line and coordinate system
>> From: yumin.yuan at kitware.com
>> To: xiaopd at hotmail.com
>> CC: vtkusers at vtk.org; vtk-developers at vtk.org
>
>>
>> The VTK display coordinates' z range is 0 to 1, try this:
>>
>> display1[2] = 0 ;
>>
>> HTH,
>> Yumin
>>
>> On Mon, Jan 7, 2013 at 9:16 PM, Pengdong Xiao <xiaopd at hotmail.com> wrote:
>> > display1[2] = -1 ;