From c2979ce5ab5dc7cba0a92d3e94f09d4e26e0abc2 Mon Sep 17 00:00:00 2001
From: Alexander Rose <alex.rose@rcsb.org>
Date: Tue, 24 Sep 2019 12:06:55 -0700
Subject: [PATCH] StructureSequence, handle empty coarse hierarchies
---
src/mol-model/structure/model/properties/sequence.ts | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/src/mol-model/structure/model/properties/sequence.ts b/src/mol-model/structure/model/properties/sequence.ts
index 547be8179..aa0970fad 100644
--- a/src/mol-model/structure/model/properties/sequence.ts
+++ b/src/mol-model/structure/model/properties/sequence.ts
@@ -24,6 +24,8 @@ namespace StructureSequence {
readonly sequence: Sequence
}
+ const Empty: StructureSequence = { byEntityKey: {}, sequences: [] }
+
function merge(...entitySeqs: StructureSequence[]): StructureSequence {
const sequences: StructureSequence.Entity[] = []
const byEntityKey: { [key: number]: StructureSequence.Entity } = {}
@@ -37,7 +39,7 @@ namespace StructureSequence {
export function fromHierarchy(entities: Entities, atomicHierarchy: AtomicHierarchy, coarseHierarchy: CoarseHierarchy, modResMap?: ReadonlyMap<string, string>): StructureSequence {
const atomic = fromAtomicHierarchy(entities, atomicHierarchy, modResMap)
- const coarse = fromCoarseHierarchy(entities, coarseHierarchy)
+ const coarse = coarseHierarchy.isDefined ? fromCoarseHierarchy(entities, coarseHierarchy) : Empty
return merge(atomic, coarse)
}
--
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