Hacker News: CarVac

New comment by CarVac in "Filing the corners off my MacBooks"

CarVac — Sat, 11 Apr 2026 11:21:41 +0000

https://en.wikipedia.org/wiki/Acid_mantle

New comment by CarVac in "Bitmap fonts make computers feel like computers again"

CarVac — Thu, 09 Apr 2026 20:23:13 +0000

I made a bitmap font for the PhobGCC project for use in its video output but I don't know how to make it into a bitmap font for use on computers.

New comment by CarVac in "Show HN: I built a Cargo-like build tool for C/C++"

CarVac — Thu, 09 Apr 2026 19:12:57 +0000

Gentoo binaries aren't shipped that way

New comment by CarVac in "A database of analog cameras that can be 3D printed"

CarVac — Wed, 08 Apr 2026 02:21:25 +0000

I have an abomination that I printed years ago that adapts an Instax SQ1 to Hasselblad lenses (and has an RB67 focusing screen on a viewfinder next to the Instax for composing and focusing).

It's sooooo impractical but the results are so fun.

The process is to compose, focus, put ND filter on, swap from finder to film body, half-fire the shutter, pull out the dark slide, fully fire the shutter, push in the dark slide, eject the film, rewind the shutter, and go back to the finder.

New comment by CarVac in "Build123d: A Python CAD programming library"

CarVac — Mon, 30 Mar 2026 15:46:29 +0000

I like Build123d but I really want a hybrid mouse/code CAD built around it. I want to be able to click on entities and have them show up in the code editor instead of blindly trying to select edges.

New comment by CarVac in "Claude Code runs Git reset –hard origin/main against project repo every 10 mins"

CarVac — Mon, 30 Mar 2026 00:58:25 +0000

double hyphens –

triple hyphens —

New comment by CarVac in "Landmark L.A. jury verdict finds Instagram, YouTube were designed to addict kids"

CarVac — Thu, 26 Mar 2026 13:41:09 +0000

We can't raise other people. We can prohibit the addicting things like newsfeeded Facebook.

New comment by CarVac in "I quit editing photos"

CarVac — Thu, 26 Mar 2026 00:33:02 +0000

Yeah, the default is alright with perhaps a little exposure adjustment.

Bump the drama and lower the white clipping point a little if you want a bit more local contrast.

New comment by CarVac in "I quit editing photos"

CarVac — Thu, 26 Mar 2026 00:31:37 +0000

I've got iq180 and iq4 150mp working… it doesn't like iq3 100mp though.

New comment by CarVac in "Microbenchmarking Chipsets for Giggles"

CarVac — Wed, 25 Mar 2026 15:57:18 +0000

USB latency and jitter would be useful.

New comment by CarVac in "I Quit Editing Photos"

CarVac — Tue, 24 Mar 2026 17:00:08 +0000

I need to fix Phase One support in Filmulator. LibRaw has some additional processing steps required that I didn't manage to figure out last time I worked on it.

New comment by CarVac in "I quit editing photos"

CarVac — Tue, 24 Mar 2026 15:35:05 +0000

I'm always glad to hear that people are enjoying Filmulator. I don't track downloads or anything so I have no idea how many people out there use it.

New comment by CarVac in "I quit editing photos"

CarVac — Tue, 24 Mar 2026 15:10:14 +0000

It really depends on the person.

I do not take photos for the memories, I take photos for art and I do go back and look at them.

New comment by CarVac in "I Quit Editing Photos"

CarVac — Tue, 24 Mar 2026 15:06:20 +0000

Yes, it properly supports monochrome DNG and disables (and hides) tools that are not applicable such as demosaicing, CA correction, highlight recovery, white balance, etc.

I didn't know such firmware hacking was available. I'd been waiting for the GR Monochrome for years but it's a bit expensive for me.

New comment by CarVac in "I quit editing photos"

CarVac — Tue, 24 Mar 2026 14:55:52 +0000

It's not GPU-native… that's a goal but it'll certainly take some time. Back when I was last working heavily on it there commonly wasn't enough vram but now there should be on most machines.

33 megapixels is not a lot. I'd consider that fast on my 9800X3D gaming machine but moderate on my older 2700X dev machine. But of course, what you consider fast depends on your computer and your expectations.

Zooming and panning is much faster on Filmulator than most other software because it caches full-res images throughout much of the pipeline. On my gaming monitor I can rapidly zoom in and out at a buttery-smooth 240Hz refresh rate.

But actually changing settings is a bit slower.

The earliest settings are the slowest to respond since they only operate on full resolution raw data, but they're non-creative, technical decisions on highlight recovery and demosaicing and such that do not need tweaking. Additionally, you get early feedback from these in the form of early-pipeline histograms interspersed among the tools, helping you tune these settings quickly.

Noise reduction adds a lot of processing time but once you figure that out the full-res image gets cached and doesn't interfere with later steps.

It has fast (~100ms) screen-resolution response to sliders in the filmulation tools mid-pipeline but it'll take a second or two for the full resolution image to process.

Late pipeline editing (post-filmulation) is near instant even for the full resolution.

So is it fast? Yes and no. But it tries to always be responsive and provide useful information as quickly as possible.

New comment by CarVac in "I quit editing photos"

CarVac — Tue, 24 Mar 2026 14:28:07 +0000

I got tired of in depth fiddly editing and wrote Filmulator to minimize the decision-making and streamline editing. I rarely spend more than 20-30 seconds per image.

You get a clean, basic look, no weird colors or overly creative "looks", but with adjustability and great highlight handling that JPEG doesn't get you.

https://filmulator.org

The current builds there are quite old but we've got new ones coming.

New comment by CarVac in "PC Gamer recommends RSS readers in a 37mb article that just keeps downloading"

CarVac — Mon, 23 Mar 2026 00:56:37 +0000

Not using Chrome. Mobile Firefox has adblocking on Android.

New comment by CarVac in "Nightingale – open-source karaoke app that works with any song on your computer"

CarVac — Wed, 18 Mar 2026 19:06:32 +0000

Was that a songbird followup?

New comment by CarVac in "OpenRocket"

CarVac — Wed, 18 Mar 2026 18:58:20 +0000

OpenRocket has a little optimizer built in but of course it neglects structural integrity which it knows nothing of…

New comment by CarVac in "OpenRocket"

CarVac — Wed, 18 Mar 2026 18:53:47 +0000

I helped out with a user interface redesign of OR many years ago. It was pretty incredibly unintuitive back then, and many hobby rocketeers paid for Rocksim instead.