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1

Wednesday, March 11th 2020, 11:26pm

l1 and l2 loading simoultaneously on default fov

Hello,

Title says pretty much all, is this the expected behaviour? The levels 1 and 2 are being queried on the initial load of the image. So removing the l1/l2 level makes the initial load a bit faster and I'm not seeing any real impact on performance/image quality, is there a place in documentation I'm missing where this is explained with more detail?

I also checked the examples, ie. paris multires, and the same thing occurs.


Thanks!

Regards,


Agustin Barg

2

Thursday, March 12th 2020, 8:38am

did u disable the cache for your tests? *squint*

3

Thursday, March 12th 2020, 8:50pm

Hi,

yes, this is an expected behavior.

It works that way:
- first the tiles of the current/best-fitted resolution are requested (for the current viewing range)
- during the loading of these tiles also tiles from lower-resolution levels are requested
- this is done because one lower-res tile might get loaded quicker than all the hi-res tiles and one lower-res tile would cover a large viewing area than one higher-res tile
- this way the current view is quicker 'filled' with useful content
- the total load time might be a bit longer, but the visual loading experience should be better

But in the end it depends on the actual example, if the pano itself is not really hi-res, it could be an option not to use the lower-res levels. You can setup any behavior you want.

Best regards,
Klaus