# Reducing loading time for image update

**URL:** <https://community.plotly.com/t/reducing-loading-time-for-image-update/45775>\
**Category:** Dash Python\
**Created:** [October 7, 2020, 9:22am UTC](https://community.plotly.com/t/reducing-loading-time-for-image-update/45775 "2020-10-07T09:22:59Z")\
**Posts on this page:** 1\
**Showing post:** 3

<div class="post-metadata">

**Author:** ![guidocioni](https://sea2.discourse-cdn.com/flex024/user_avatar/community.plotly.com/guidocioni/32/31836_2.png) [@guidocioni](https://community.plotly.com/u/guidocioni)\
**Post date:** [October 7, 2020, 9:47am UTC](https://community.plotly.com/t/reducing-loading-time-for-image-update/45775/3 "2020-10-07T09:47:43Z")

</div>

Because I need to do filled contour on different map projections; as far as I know there is no such capability in `plotly` (see e.g. [here](https://community.plotly.com/t/plot-a-contour-over-a-satellite-map/16924/4)).  
This is a sample of the plot that I’m doing in mpl

 ![it_gph_t_850_2020100700_111](https://us1.discourse-cdn.com/flex024/uploads/plot/original/2X/b/b1666d35d0b518b94819640f44145392de989f1e.png) ![euratl_gph_t_850_2020100700_013](https://us1.discourse-cdn.com/flex024/uploads/plot/original/2X/2/297f9fe59d39d2429cfa069d1820686434df5cf5.png)

---

_[View the full topic](https://community.plotly.com/t/reducing-loading-time-for-image-update/45775)._