pablin.me

pablin.me: apps, websites and write-ups by Pablo Miranda

Apps

For iPhone, iPad and the Mac, newest first. Each is free to start on the App Store.

Lodemate Chess, with magnets under the board. iPhone & iPad · Game Cosset A cosy room for every pet. iPhone & iPad Hola PDF Paper in, clean PDF out. iPhone, iPad & Mac Hindcast How sure is the forecast? iPhone, iPad & Watch Sharp Many shots. One picture. iPhone & iPad Replay Breakdown Shoot it. Step through every frame. iPhone & iPad Chinagraph Everything around the edit. Mac Rake Plus Change the photo after the shot. iPhone & iPad

Websites

Nothing to install: Hola PDF, Sharp and Hindcast on any computer, the courses, Ray Kiln with its playground and shader linter, and the rates of Ecuador's banks.

Series

Longer technical write-ups, grouped by topic. All series

Depth & Light II

Depth & Light continued: Rake rebuilt from what survived of it, and the tools added to it — fog, dehaze and refocus by depth, a grade by distance, weather, window light, and a photograph that moves.

3 posts · Swift · Metal

Shot More Than Once

How Sharp 1.2 was built and measured: the first runs on a real iPad, rotation in the aligner, choosing the detail size by eye, exposure blending, stacking in slabs, and retouches that can be reopened.

6 posts · Swift

Depth & Light

How relighting a photograph works: the depth a Portrait photo carries, turning it into surfaces, and lighting them with three lights that cast real shadows.

7 posts · Photography & rendering

Multithreading

Five small C# programs from 2019 on making threads work together: signals, a parallel search, matrix products, a producer and its consumers, and prioritised groups.

5 posts · C#

Parallel Computing

OpenCL and OpenMP from a first kernel to an LU decomposition, then the same decomposition with SSE intrinsics, each version timed.

7 posts · OpenCL · OpenMP

Simulation & Statistics

Twelve C# and Windows Forms programs from 2020: random events, Poisson and Wiener processes, Markov chains, the chi-square test and a bank simulated event by event.

12 posts · C#