# Can we rasterise/cache an Object in runtime

**URL:** <https://forum.lottiefiles.com/t/can-we-rasterise-cache-an-object-in-runtime/848>\
**Category:** Lottie in Web\
**Created:** [April 19, 2021, 8:25am UTC](https://forum.lottiefiles.com/t/can-we-rasterise-cache-an-object-in-runtime/848 "2021-04-19T08:25:21Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![gsarkhel](https://yyz2.discourse-cdn.com/flex030/user_avatar/forum.lottiefiles.com/gsarkhel/32/626_2.png) [@gsarkhel](https://forum.lottiefiles.com/u/gsarkhel)\
**Post date:** [April 19, 2021, 8:25am UTC](https://forum.lottiefiles.com/t/can-we-rasterise-cache-an-object-in-runtime/848/1 "2021-04-19T08:25:21Z")

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Hi,

I will give you a scenario. I have an animation of 2 dogs jumping and playing in a grass field having mountains in the backdrop. Now, 2 dogs can be vector elements but the backdrop can be converted into a raster object in runtime. By doing this, we can enhance the runtime performance on low processor devices.

I have achieved this already when I used EASEL.JS by caching the non-moving objects in runtime. So, is it possible to achieve anything similar in Lottie?