# Loading tiles

**URL:** <https://community.cesium.com/t/loading-tiles/7301>\
**Category:** CesiumJS\
**Created:** [August 15, 2018, 1:58pm UTC](https://community.cesium.com/t/loading-tiles/7301 "2018-08-15T13:58:01Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Kacem\_Yacine](https://sea2.discourse-cdn.com/cesium/user_avatar/community.cesium.com/kacem_yacine/32/9463_2.png) [@Kacem\_Yacine](https://community.cesium.com/u/Kacem_Yacine)\
**Post date:** [August 15, 2018, 1:58pm UTC](https://community.cesium.com/t/loading-tiles/7301/1 "2018-08-15T13:58:01Z")

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Hi,

I want to load progressively tile but without using the viewerRequestVolume I  
can’t get it work properly, all the tiles load at the same time like the first  
video : [https://www.youtube.com/watch?v=WoUHERZVTvQ](https://www.youtube.com/watch?v=WoUHERZVTvQ)

When  
I use the viewerRequestVolume it works properly but not with all points of view  
like the second video :

[https://www.youtube.com/watch?v=WoUHERZVTvQ](https://www.youtube.com/watch?v=WoUHERZVTvQ)

b3dm files : [https://mega.nz/#!GwFxWYwA!OdiDOM644Rv1j63nSV5xBYpbwHrDcaJMYDsoXPjhfW8](https://mega.nz/#!GwFxWYwA!OdiDOM644Rv1j63nSV5xBYpbwHrDcaJMYDsoXPjhfW8)

Cesium  
1.47, Windows 10 x64, Opera 54 x64

Thanks in advance for your helps

[tileset.json](https://community.cesium.com/uploads/short-url/zbxql8TpH9Ye6Ynfc1JJhwJVf08.json) (215 KB)

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<div class="post-metadata">

**Author:** ![Gabby\_Getz](https://sea2.discourse-cdn.com/cesium/user_avatar/community.cesium.com/gabby_getz/32/7838_2.png) [@Gabby\_Getz](https://community.cesium.com/u/Gabby_Getz)\
**Post date:** [August 20, 2018, 8:53pm UTC](https://community.cesium.com/t/loading-tiles/7301/2 "2018-08-20T20:53:24Z")

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You’ll probably need to take a looking at the Bounding Volumes and Geometric Error. I would suggest you take a look at the 3D Tiles spec: [https://github.com/AnalyticalGraphicsInc/3d-tiles/tree/master/specification#geometric-error](https://github.com/AnalyticalGraphicsInc/3d-tiles/tree/master/specification#geometric-error)

Thanks,

Gabby