Created
January 14, 2023 01:35
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Overlay displaying 640x75 and 640x150 areas for Raspberry v2 camera raspiraw capturing at 1007fps (with 640x75 and 640x150_s tools)
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| #!/usr/bin/python3 | |
| import numpy as np | |
| from picamera import PiCamera | |
| win = 100, 100, 640, 480 | |
| picam = PiCamera() | |
| picam.resolution = (640, 480) | |
| picam.preview_window = win | |
| picam.preview_fullscreen = False | |
| picam.start_preview() | |
| overlay = np.zeros((480, 640, 4), dtype=np.uint8) | |
| col = (0xFF, 0xFF, 0x00) | |
| overlay[0 , : ] = (col) + (0xFF,) | |
| overlay[74 , : ] = (col) + (0x80,) | |
| overlay[149 , : ] = (col) + (0xFF,) | |
| overlay[:150, :1] = (col) + (0xFF,) | |
| overlay[:150, 639: ] = (col) + (0xFF,) | |
| o = picam.add_overlay(overlay, layer=3, alpha=64) | |
| o.window = win | |
| o.fullscreen = False | |
| input("Press Enter to continue ...") | |
| picam.remove_overlay(o) |
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Above screenshot was on legacy Raspberry PiOS (Buster).
This is on 32bit Busllseye in legacy camera mode (different default background):