Getting started with Markers and Overlays

[bafs84]

I'm fascinated by the library and the functionality. great work!
Now I'd like to add markers and make the photo squere more interactive, but I struggle to find the right positions. How do others solve this? With an external tool or am I missing an obvious integrated feature?

[mistic100]

Use the "click" event to get the coordinates of where you click.

            viewer.addEventListener('click', ({ data }) => {
                console.log('click', data);
            });

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or ask a LLM :) Gemini gives good results

I have an equirectangular texture of a sphere of 6000 by 3000 pixels
I need to know the spherical coordinates of specific points in the texture, knowing that the horizontal axis (yaw) ranges from -Pi to Pi and the vertical axis (pitch) from Pi/2 to -Pi/2
explain how you do the computation and give the results in an table

point 1 x=3100px y=1200px
point 2 x=5200px y=1550px

[mistic100]

By the way you don't need to use spherical coordinates at all because the "position" of a marker has this type https://photo-sphere-viewer.js.org/api/types/Core.ExtendedPosition.html which can be textureX+textureY

https://photo-sphere-viewer.js.org/plugins/markers.html#position-required-for-all-but-polygons-polylines