From a7b48b591ebd4298984fdfcf36b2cf6350f587ad Mon Sep 17 00:00:00 2001
From: Michiel Cottaar <michiel.cottaar@ndcn.ox.ac.uk>
Date: Fri, 9 Feb 2024 15:41:33 +0000
Subject: [PATCH] Do not add scanner constraints if no scanner is provided
---
src/building_blocks.jl | 11 ++++++++++-
1 file changed, 10 insertions(+), 1 deletion(-)
diff --git a/src/building_blocks.jl b/src/building_blocks.jl
index 80a6b87..77f3fe8 100644
--- a/src/building_blocks.jl
+++ b/src/building_blocks.jl
@@ -312,7 +312,16 @@ Adds the gradient strength and slew rate constraints from a specific [`Scanner`]
This is applied iteratively to each part of a `Sequence`.
"""
-scanner_constraints!(building_block::BuildingBlock) = scanner_constraints!(building_block, global_scanner())
+function scanner_constraints!(building_block::BuildingBlock)
+ try
+ scanner_constraints!(building_block, global_scanner())
+ catch e
+ if occursin("No valid scanner", e.msg)
+ return
+ end
+ rethrow()
+ end
+end
function scanner_constraints!(building_block::BuildingBlock, scanner::Scanner)
for func in [gradient_strength, slew_rate]
--
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