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Some tiles not loading within div. OK fullscreen

claire_france

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  • "claire_france" started this thread

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Location: Glasgow

Occupation: Virtual Tours, Photography, PHP & mySQL

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Thursday, May 18th 2017, 1:51pm

Some tiles not loading within div. OK fullscreen

I've been encountering a problem when loading krpano into a div.
It seems that not all the tiles load, giving the effect of shards of the image missing as the tour rotates. The attached image shows the problem.

or it can be viewed here:
http://stephen.imageweavers.co.uk/tours/…plot17/div.html


The same tour viewed fullscreen displays no problem.

Can anyone tell me how to stop this from happening.

Many thanks,
Claire

klaus.krpano

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Friday, May 19th 2017, 9:29am

Hi,

what you see in your screenshot is not a loading error, it's the buggy Chrome CSS3D software rendering.

When Chrome can't use your graphics card (for some reason), the only left available browser API for rendering 3D graphics would be 'CSS-3D-transforms', but without graphics-hardware-support needs to render that via its own software code - and that code is fundamentally buggy in Chrome (they now about that for years but don't care, there are several bug-reports at Google about this).

In the latest krpano releases I have therefore blocked the CSS3D-only situation. That means you using the latest krpano version you would get an error about an unsupported browser.

The only solutions on such systems would be manually disabling the GPU-blacklisting from Chrome by this setting:

Source code

 
1

chrome://flags/#ignore-gpu-blacklist


Best regards,
Klaus

claire_france

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  • "claire_france" started this thread

Posts: 18

Location: Glasgow

Occupation: Virtual Tours, Photography, PHP & mySQL

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Friday, May 19th 2017, 10:08am

Thank you Klaus,

I have set that flag and it does indeed eliminate the problem for my browser.

Prior to this I noticed that when I use the skin skin/vtourskin_design_ultra_light.xml, it significantly reduced the effect.

Is that simply co-incidence, or is there something in that that I could use to help minimise this problem for my users?

Thanks again.

Claire

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