png unviewable when using ubuntu/chromium
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- Dominant language
- TypeScript
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Description
Chromium Version 71.0.3578.98 (Official Build) snap (64-bit)
Ubuntu 18.04.1
On https://map-printer.ddem.us, I was able to successfully download a png map with 10k x 10k px, which resulted in a 7.5MB file.

However, on my machine I was able to open it in Chromium, but I wasn't able to open the png file in other programs, like image viewer or firefox, getting this error:

Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Reproduce the PNG export at https://map-printer.ddem.us using Ubuntu 18.04.1 and Chromium 71, then test the downloaded 10k × 10k PNG in Chromium, Firefox, and an image viewer. Trace the export path from the browser entry point; done means the generated PNG opens in the other reported programs.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- typescript
- Domain
- frontend
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 30/100