nav[aria-label="Primary Navigation"] { padding: 0; & ul { list-style: none; width: 100%; display: flex; flex-direction: row; justify-content: start; align-items: start; gap: 30px; padding: 0; & li { margin: 0; } & ul li { list-style: none; } } }

ImageElement api cannot display transparent png in mapview

Lzy

Hello

I found a problem when using the ImageElement api, using MediaLayer ImageElement in the mapview api to add a transparent png image to the map, the white color does not achieve the transparent effect.

It is found that the problem occurs in the bit depth. The bit depth of the png image is 8, and the bit depth of the png image is 32, which cannot be displayed normally.

Hope it will be resolved in the next version.

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Accepted answers

UndralBatsukh

Hi there,

This issue will be fixed at version 4.25 which will be released in October. In meantime, you can test the fix by pointing your app to our `next` version: https://github.com/Esri/feedback-js-api-next

-Undral

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Lzy

Hello, I have seen the optimization of the media layer in 4.25, and I would like to see if the resolution of the media layer can be increased later, for example, 30000 * 30000

Lzy

Thanks!

UndralBatsukh

Hi there,

This issue will be fixed at version 4.25 which will be released in October. In meantime, you can test the fix by pointing your app to our `next` version: https://github.com/Esri/feedback-js-api-next

-Undral

Lzy

Okay, thanks

UndralBatsukh

Hi there,

Ah should have realized that. I am able to reproduce the issue. We are tracking this issue and will update you as soon as it is fixed. Thanks for bringing this issue to our attention.

-Undral

Lzy

I'm sorry. I think I didn't express myself clearly. 32-bit PNG images are opaque .The 8-bit PNG image is normal

UndralBatsukh

Hi there,

I tested the MediaLayer with a 8 bit png with a transparent background and was not able to reproduce the issue you described. Here is the image I used: https://i.stack.imgur.com/RPEQQ.png

The one with red background is added as img on a div with a red background. The one on the map is added to the MediaLayer. The transparency is working expected.

Screen Shot 2022-07-28 at 11.01.00 AM.png

If you see issue can you please provide a reproducible case?

Thanks

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