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Re: idlgrbuffer draw :create_instance and draw_instance question.... [message #80914 is a reply to message #80858]

Mon, 23 July 2012 15:43

George Millward
Messages: 29
Registered: February 2000

Junior Member

On Monday, July 23, 2012 7:28:13 AM UTC-6, nata wrote:
> Hi George,
>
> I use the CREATE_INSTANCE and DRAW_INSTANCE a lot but not in the IDLgrBuffer. I use it in the IDLgrWindow These 2 keywords are very useful when you have a lot of graphical objects in your view and you don't need render all of them.
>
> What I do is separate the graphical objects in 2 models. One containing the static components (the objects that won't change) and another model containing the dynamic objects.
> The dynamic objects are those ones that change in time, position, color, etc. and you have to render all the time.
>
> Then, if you want to speed things up (and if I remember correctly), you can proceed that way :
>
> dynamic_model->SetProperty, /HIDE
> window->Draw, view, /CREATE_INSTANCE
>
> static_model->SetProperty, /HIDE
> view->SetProperty, /TRANSPARENT
> dynamic_model->SetProperty, HIDE=0
>
> After this, the command window->Draw, view, /DRAW_INSTANCE will only render the dynamic objects contained in the dynamic model and everything will be less computationally intense.
>
> Hope it will be useful to you !
> nata

Nata,

Very interesting - I'll give it a go and report back how this works with the idlgrbuffer.

Cheers

George.

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[Message index]

		idlgrbuffer draw :create_instance and draw_instance question.... By: George Millward on Thu, 19 July 2012 15:07
		Re: idlgrbuffer draw :create_instance and draw_instance question.... By: George Millward on Mon, 23 July 2012 15:43
		Re: idlgrbuffer draw :create_instance and draw_instance question.... By: natha on Mon, 23 July 2012 06:28

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