From 74a0dbbecbd118937e5b7c44008eb97d12b8c592 Mon Sep 17 00:00:00 2001
From: 2211567 <ruben.seitz@kiteit.de>
Date: Sun, 15 Jun 2025 21:05:07 +0200
Subject: [PATCH] IMplemented a working switch

---
 scripts/main.jl      |  5 +----
 src/fhn_solver.jl    | 15 +++++++++------
 src/visualization.jl |  8 +++++++-
 3 files changed, 17 insertions(+), 11 deletions(-)

diff --git a/scripts/main.jl b/scripts/main.jl
index 394dc86..d4ec92f 100644
--- a/scripts/main.jl
+++ b/scripts/main.jl
@@ -1,12 +1,9 @@
-include("../src/utils/constants.jl")
-#include("../src/fhn_solver.jl")
-include("../src/gray_scott_solver.jl")
 include("../src/visualization.jl")
 
 using Observables
 using GLMakie
 
-using .Constants
+using .Visualization.Constants
 using .Visualization
 
 # GSParams AND FHNParams
diff --git a/src/fhn_solver.jl b/src/fhn_solver.jl
index 835872f..31dbc87 100644
--- a/src/fhn_solver.jl
+++ b/src/fhn_solver.jl
@@ -73,14 +73,17 @@ function step_fhn!(U, V, params_obs::Observable; dx=1)
 
     params = params_obs[]
 
-    Δu = reshape(Laplacian.laplacian(U, params.N, params.dx), params.N, params.N)
-    Δv = reshape(Laplacian.laplacian(V, params.N, params.dx), params.N, params.N)
+    Δu = laplacian(U, params.dx)
+    Δv = laplacian(V, params.dx)
 
-    fu = params.Du * Δu .+ U .- (U .^ 3) ./ 3 .- V
-    fv = params.Dv * Δv .+ params.ϵ .* (U .+ params.a .- params.b .* V)
+    u = U[2:end-1, 2:end-1]
+    v = V[2:end-1, 2:end-1]
 
-    U .+= 0.1 .* fu
-    V .+= 0.1 .* fv
+    fu = params.Du .* Δu .+ u .- (u .^ 3) ./ 3 .- v
+    fv = params.Dv .* Δv .+ params.ϵ .* (u .+ params.a .- params.b .* v)
+
+    U[2:end-1, 2:end-1] .+= 0.1 .* fu
+    V[2:end-1, 2:end-1] .+= 0.1 .* fv
 
     return U
 end
diff --git a/src/visualization.jl b/src/visualization.jl
index 6dd6548..5c73a69 100644
--- a/src/visualization.jl
+++ b/src/visualization.jl
@@ -1,4 +1,5 @@
 module Visualization
+
 include("../src/utils/constants.jl")
 include("gray_scott_solver.jl")
 include("fhn_solver.jl")
@@ -57,7 +58,12 @@ function param_box!(grid, row, labeltxt, observable::Observable)
 end
 
 function rebuild_param_boxes!(grid, model_type::Symbol, param_obs_map::NamedTuple)
-    empty!(grid)
+    for pos in keys(grid.content)
+        if isa(pos, Tuple) && length(pos) == 2
+            i, j = pos
+            grid[i, j] = nothing
+        end
+    end
 
     param_box!(grid, 1, "Du", param_obs_map.Du)
     param_box!(grid, 2, "Dv", param_obs_map.Dv)