Hi
The Addon I use for chests is "Map pins". It will display chest locations you have already visited if you have the filter ticked on the map display. It also has a lot of other useful locations.

Have fun

Soarora wrote: »

Maybe harvestmap? I have two different addons showing chests but I’m not sure which is which or why I have two. But I know with harvestmap you can download the data.

as far as im aware harvest map does track the chests, but it doesnt display the 3d pins in group dungeons and trials (unless they added some setting to bypass that)

Baertram wrote: »

overwriting the group markers with different icons (Ody Support e.g.)

Unfortunately, that's not how it works.

It is true that the API for drawing things in the 3D space is disabled in dungeons and trials, which is why Harvest Map's 3D pins will not show up in those places.

This API restriction was put in place when these APIs were first introduced, and ZOS stated that these restrictions were added to prevent addons from drawing things on the ground to aid mechanics.

But ZOS left unrestricted functions that can calculate where a point in 3D space would appear in the current camera perspective. This information, coupled with some math, can allow an addon to position an element in the 2D UI space in such a way that it gives off the illusion that it's in a fixed position in 3D space.

And this is what Ody's Support Icons does. OSI is basically a clever hack to use this loophole to position textures in the 2D UI space so that they emulate things in the 3D space. It's quite hackish, and it involves OSI recalcuating positions and constantly moving those textures many times per second.

A more troubling matter is that there are an increasing number of addons that use OSI's hack to draw things on the ground to aid in mechanics, which is in direct contravention of the reason behind the restriction of the 3D APIs in dungeons and trials. (I personally think that addons that do this are crossing a line that should not be crossed.)