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| author | jaseg <jaseg@jaseg.net> | 2014-02-18 21:36:35 +0100 |
|---|---|---|
| committer | jaseg <jaseg@jaseg.net> | 2014-02-18 21:36:35 +0100 |
| commit | bd5b1b6267ff6db530c657b5adb61edeea18e14b (patch) | |
| tree | 8bc8955c71093a62861c6ef85ae145282de6a9fe | |
| parent | 03bf7d9d49956fc06744bb1898c492ba35d34367 (diff) | |
| download | matelight-bd5b1b6267ff6db530c657b5adb61edeea18e14b.tar.gz matelight-bd5b1b6267ff6db530c657b5adb61edeea18e14b.tar.bz2 matelight-bd5b1b6267ff6db530c657b5adb61edeea18e14b.zip | |
added variables for brightness and gamma factor
| -rw-r--r-- | host/matelight.py | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/host/matelight.py b/host/matelight.py index cf5eff5..91a158f 100644 --- a/host/matelight.py +++ b/host/matelight.py @@ -13,6 +13,12 @@ DISPLAY_HEIGHT = CRATES_Y*CRATE_HEIGHT CRATE_SIZE = CRATE_WIDTH*CRATE_HEIGHT*3 FRAME_SIZE = DISPLAY_WIDTH*DISPLAY_HEIGHT +# Gamma factor +GAMMA = 2.5 + +# Brightness of the LEDs in percent. 1.0 means 100%. +BRIGHTNESS = 0.2 + dev = usb.core.find(idVendor=0x1cbe, idProduct=0x0003) def sendframe(framedata): @@ -22,7 +28,7 @@ def sendframe(framedata): channel is ignored. """ # Gamma correction - framedata = (((framedata/255) ** 2.5) * 255).astype(np.uint8) + framedata = (((framedata/255) ** GAMMA) * BRIGHTNESS * 255).astype(np.uint8) for cx, cy in product(range(CRATES_X), range(CRATES_Y)): datar = framedata[cy*CRATE_HEIGHT:(cy+1)*CRATE_HEIGHT, cx*CRATE_WIDTH:(cx+1)*CRATE_WIDTH, :3] data = datar.flat |