Commit afa3727d authored Jun 11, 2026 by vertighel

Fix teccam loop: squeeze matrix before viridis broadcast



Mako.matrix returns (H,W,1) for mono cameras; passing it through
_apply_viridis produces (H,W,1,3) which array_to_png cannot unpack.
Squeeze to 2D in _run_loop and in STX Camera.matrix.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

parent 26bd8150

noctua/api/fits_image.py

+1 −1

Original line number	Diff line number	Diff line
		@@ -200,7 +200,7 @@ async def _run_loop(device, exposure: float, station: str, camera: str):

		data = await ev.run_in_executor(None, lambda: device.matrix)
		if data is not None:
		await streamer._broadcast_preview(station, camera, data)
		await streamer._broadcast_preview(station, camera, np.squeeze(data))

		if not is_stx:
		# Mako: broadcast first frame immediately, then wait before next

noctua/devices/stx.py

+2 −2

Original line number	Diff line number	Diff line
		@@ -206,7 +206,7 @@ class Camera(STX):

		@property
		def matrix(self):
		"""Fetch the current image as a float32 numpy array without writing to disk."""
		"""Fetch the current image as a 2-D float32 numpy array without writing to disk."""
		self._wait_if_needed()
		try:
		res = requests.get(f"{self.addr}/{self.element}.FIT", timeout=self.timeout)
		@@ -217,7 +217,7 @@ class Camera(STX):
		data = hdul[0].data
		if data is None:
		return None
		return data.astype(np.float32)
		return np.squeeze(data).astype(np.float32)

		def download(self, filepath=None):
		"""