Allow zero distance between the elements and calclulate the number of...

Allow zero distance between the elements and calclulate the number of tetrahedrals to rotate with nnz

Utilities/Geometries/MATLAB/Functions/rcvGeo.m

@@ -3,7 +3,7 @@
 % Author: Achilles Kappis
 % e-mail: axilleaz@protonmail.com
 %
-% Date: 15/12/2024 (DD/MM/YYYY)
+% Date: 13/02/2025 (DD/MM/YYYY)
 %
 % Copyright: MIT
 % --------------------------------------------------
@@ -216,7 +216,7 @@ function [omniPos, fig8Pos, triPos, boxPos, box2DPos, tetPos, fig8Vec, triVec, b
     end
 
     if nargin > 2 && ~isempty(elemDist)
-        validateattributes(elemDist, "numeric", {'scalar', 'real', 'positive', 'nonnan', 'finite'}, mfilename, "Array inter-element distance", 3);
+        validateattributes(elemDist, "numeric", {'scalar', 'real', 'nonnegative', 'nonnan', 'finite'}, mfilename, "Array inter-element distance", 3);
     else
         elemDist = 0.1;
     end
@@ -327,7 +327,7 @@ function [omniPos, fig8Pos, triPos, boxPos, box2DPos, tetPos, fig8Vec, triVec, b
         switch lower(gType)
             case "ula"
                 % Rotate the tetrahedrals on the positive side of the y-axis
-                rotIdx = sum(omniPos(1, :) > 0); % Calculate how many tetrahedrals we have to rotate
+                rotIdx = nnz(omniPos(1, :) > 0); % Calculate how many tetrahedrals we have to rotate
 
                 % Go through the tetrahedrals
                 for measPosIdx = size(omniPos, 2):-1:1