» Calibrate and Re-Project
This site relies heavily on Javascript. You should enable it if you want the full experience. Learn more.

Calibrate and Re-Project

tool workshop projection-mapping projection projector calibration tutorial
Credits: joreg, robotanton, emarao

about

Semi-automatically calibrate your projector and throw generated content on to your physical object. These are convenience patches providing a simple workflow for using the projector-calibration that is coming with the ImagePack.

It was presented at Mapping Festival, Gray Area Festival and CGEvent in 2016.

Two Patches are explaining the techniques and show how to use the modules:

  • Step01_CalibrateProjector.v4p
  • Step02_ReProjectionSetup.v4p
Projector Calibration
  1. Place your projector anywhere and point it to a physical object (your "screen") you want to project on to.
  2. Measure several physical points on your "screen" and type their positions into the patch.
  3. Match the points in the projection to the measured points with a few simple clicks.
  4. Hit 'Solve' to get the View/Projection matrices needed for the Renderer.
Re-Projection
  1. Create a 3d Content and render it from the spectator's point of view.
  2. Project. For more about this projection mapping technique, see: Projection Mapping Primer.
Requirements
Known issues

ATI cards
There is a known problem with the ImagePack and Radeon graphic cards.
The solution was proposed by tekcor:

  1. Download "nvcuda.dll": http://www.symbioticcube.com/Downloads/nvcuda.dll
  2. Place it in your ImagePack's nodes/plugins/dependencies/opencv/x86/ folder.

At the moment only 32bit version of the pack is working on my ATI machine.

Foldable model by Emarao based on A4 dimensions

download

vvvv_Calibrate-And-Re-Project_v1_0.zip
22.02.17 [21:06 UTC] by robotanton | 416 downloads
Initial Release

anonymous user login

Shoutbox

~20h ago

sagishi: any vvvv wizardry going on at ADAF in athens this week?

~20h ago

vux: Freshly released, DirectX11 v1.3 directx11-1.3-update

~2d ago

weareallclowns: has anyone used avr-gcc with vvvv? thinking about uploading a vvvv sketch to arduino

~3d ago

motzi: @udo2013: you can't change the resolution of the standard DX11 renderer (res=window size). use temptarget renderer + preview instead

~3d ago

Tamoeba Kale: Is it possible that i am missing thew whole "animation" category nodes? how?

~4d ago

udo2013: hello. is there a way to change the fullscreen resolution of renderer dx11? found no possibility + can not be opened.

~4d ago

tekcor: @joreg vl.glTF loader looks intense inside, but is red in b36.

~5d ago

MultiNIL: @joreg sure!

~5d ago

joreg: @MultiNIL supa! can we have this as a gallery entry? 24

~5d ago

MultiNIL: forgot to share: our very first vvvv project, digital-hybrid-airhockey-table: https://vimeo.com/210617286 making of: https://vimeo.com/269974764