SpectraMap

17 September 2026 Corner pin or mesh warp? Let the surface decide A four-corner pin and a mesh warp both make an image land where you want it. They are answering different questions, and reaching for… 3 September 2026 What to save before you leave site The rig worked. The client was happy. In four months the same event runs again, probably in the same venue, and the only record… 6 August 2026 Multi-screen playback from one Mac: the honest limits The spec sheet says the machine supports four displays. The spec sheet is describing a desktop — four monitors showing windows, mostly static, occasionally… 11 June 2026 Pixel pitch, viewing distance, and how many pixels you actually need An LED wall's resolution is not a number you choose. It is arithmetic performed for you by whichever panels the hire company had in… 28 May 2026 DeckLink output from a Mac: the parts that bite SDI is refreshingly binary. Either the switcher locks to your signal or it does not, and there is no "it's mostly working". That makes… 14 May 2026 Getting ProPresenter onto a second surface without a second Mac The room has a main screen and now it has an LED wall down the side, or a foyer display, or a stage-left panel… 16 April 2026 What an LED processor actually wants from your Mac You have built a canvas that matches the wall exactly. It is 3840 × 1152, because that is what the panels add up to.… 2 April 2026 Projection mapping on a Mac, from an empty room Most introductions to projection mapping start with content — here is a nice loop, here is how to warp it onto a wall. That… 5 March 2026 We Started Building Tools for Ourselves. Now We Want to Share Them. There's a particular kind of professional frustration that lives at the intersection of "this should already exist" and "apparently I'm the only person annoyed… 5 February 2026 You’ve Got the Content. Now What? The LED Wall Mapping Problem Nobody Talks About. Nobody in a production meeting ever says "the LED mapping was the highlight of the show." They say the content was great. The energy…