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Remove unneeded moves from basic stack

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Update tests with better comments

Test a stack with both backlash compensation and offset
This commit is contained in:
jaknapper 2026-02-24 12:35:41 +00:00 • committed by Julian Stirling
parent c28afe30ab
commit 565204da59
2 changed files with 129 additions and 35 deletions
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19
src/openflexure_microscope_server/things/autofocus.py
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@ -777,15 +777,16 @@ class AutofocusThing(lt.Thing):
target_offset = 0
# Apply backlash correction: overshoot and move back
# Overshoot past the starting position
self._stage.move_relative(
z=target_offset - stack_parameters.backlash_correction
)
# Move back to the exact starting point
self._stage.move_relative(z=stack_parameters.backlash_correction)
overshoot = target_offset - stack_parameters.backlash_correction
if overshoot != 0:
self._stage.move_relative(z=overshoot)
# Move back to starting point if needed
if stack_parameters.backlash_correction != 0:
self._stage.move_relative(z=stack_parameters.backlash_correction)
# Capture images_to_save images
for _ in range(stack_parameters.images_to_save):
for move_count in range(stack_parameters.images_to_save):
time.sleep(stack_parameters.settling_time)
capture = self.capture_stack_image(
@ -794,7 +795,9 @@ class AutofocusThing(lt.Thing):
captures.append(capture)
z_positions.append(capture.position["z"])
self._stage.move_relative(z=stack_parameters.stack_dz)
# Only move stage if not on the last image
if move_count < stack_parameters.images_to_save - 1:
self._stage.move_relative(z=stack_parameters.stack_dz)
# Save all captures
for capture in captures: