Re: Fast image markup?

[Dima K. <gn...@di...>]

Ethan A Merritt <me...@uw...> writes:

> On Monday, 13 April 2020 11:08:01 PDT Dima Kogan wrote:
>
>> >> I tried big images too. I THINK they work, but it's still really slow
>> >> compared to any image viewer. Is that expected? Should it be faster than
>> >> what "with rgbimage" does?
>> >
>> > "slow" when doing what?  rotating in 3D?
>> > Can you do that in a normal image viewer?
>>
>> Just the simplest usage: plot an image with some annotations. No 3d or
>> any transformations of anything. Compared to image viewers the speed
>> difference isn't subtle.
>
> I may be misunderstanding what you are doing (quite possible).
>
> For me using a large image (say a 1365x1024 jpg "wallpaper" photo)
> as a background introduces no noticeable delay at all using the wxt
> terminal.  Even for 3D rotation the response is instantaneous:
>
>     set term wxt size 1500,1000
>     set pixmap 1 at screen 0,0 size screen 1,1 behind '~/images/wallpaper/p1040193.jpg'
>     splot x*y with pm3d
>     [rotate/zoom/translate with mouse as normal]

That's a really good data point. Thanks. I got side-tracked into
something else, but let me come back to this later with some benchmarks,
and we can compare. It'd be great if there was something specific about
my setup that's slowing it down.