From 56c95e762f7dbe93b335fd3c07459f5749813ad3 Mon Sep 17 00:00:00 2001
From: Petr Krysl <pkrysl@ucsd.edu>
Date: Thu, 11 Apr 2024 14:22:33 -0700
Subject: [PATCH] speed up searching of elements with a box

---
 Project.toml               | 2 +-
 README.md                  | 2 +-
 src/MeshSelectionModule.jl | 4 +++-
 3 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/Project.toml b/Project.toml
index 64104cbb..2bad7f0e 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "FinEtools"
 uuid = "91bb5406-6c9a-523d-811d-0644c4229550"
 authors = ["Petr Krysl <pkrysl@ucsd.edu>"]
-version = "8.0.13"
+version = "8.0.14"
 
 [deps]
 ChunkSplitters = "ae650224-84b6-46f8-82ea-d812ca08434e"
diff --git a/README.md b/README.md
index 127d38e6..8dd72d39 100644
--- a/README.md
+++ b/README.md
@@ -25,7 +25,7 @@ The package supports application packages, for instance:
 
 ## News
 
-
+- 04/11/2024: Speed up box selection of elements.
 - 03/21/2024: Implement element coloring.
 - 03/12/2024: Move parallel functionality to FinEtoolsMultithreading.
 - 02/19/2024: Implement mesh reordering.
diff --git a/src/MeshSelectionModule.jl b/src/MeshSelectionModule.jl
index 1e69d278..9d5cf9df 100644
--- a/src/MeshSelectionModule.jl
+++ b/src/MeshSelectionModule.jl
@@ -512,11 +512,13 @@ function selectelem(fens::FENodeSet, fes::ET; kwargs...) where {ET<:AbstractFESe
     allinvalue = (allin === nothing) || ((allin !== nothing) && (allin))
     # Select elements whose nodes are in the selected node list
     nodelist = selectnode(fens; kwargs...)
+    node_selected = fill(false, count(fens))
+    node_selected[nodelist] .= true
     nper = nodesperelem(fes)
     for i in eachindex(fes.conn)
         found = 0
         for nd in fes.conn[i]
-            if nd in nodelist
+            if node_selected[nd]
                 found = found + 1
             end
         end