From: hackbard <hackbard@sage.physik.uni-augsburg.de>
Date: Mon, 11 Jul 2011 11:38:08 +0000 (+0200)
Subject: feature to del atoms outside a spherical volume
X-Git-Url: https://hackdaworld.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8e2583bfb346f0f054cf0f2ca35f25cd20a6f8d4;p=physik%2Fposic.git

feature to del atoms outside a spherical volume
---

diff --git a/mdrun.c b/mdrun.c
index 76e6c4d..fb1cbe0 100644
--- a/mdrun.c
+++ b/mdrun.c
@@ -803,18 +803,35 @@ int del_atoms(t_moldyn *moldyn,t_mdrun *mdrun) {
 	t_del_atoms_params *delp;
 	int i;
 	t_3dvec dist;
-	
+	u8 outer;
+
+	outer=0;	
 	stage=mdrun->stage.current->data;
 	delp=stage->params;
 
+	if(delp->r<0)
+		outer=1;
+
 	for(i=0;i<moldyn->count;i++) {
 		v3_sub(&dist,&(delp->o),&(moldyn->atom[i].r));
 //printf("%d ----> %f %f %f = %f | %f\n",i,dist.x,dist.y,dist.z,v3_absolute_square(&dist),delp->r*delp->r);
 		if(v3_absolute_square(&dist)<=(delp->r*delp->r)) {
-			del_atom(moldyn,moldyn->atom[i].tag);
-			printf("%s atom deleted: %d %d %d\n",ME,
-                               moldyn->atom[i].tag,moldyn->atom[i].element,
-			       moldyn->atom[i].brand);
+			if(!outer) {
+				del_atom(moldyn,moldyn->atom[i].tag);
+				printf("%s atom deleted: %d %d %d\n",ME,
+		                       moldyn->atom[i].tag,
+				       moldyn->atom[i].element,
+			 	       moldyn->atom[i].brand);
+			}
+		}
+		else {
+			if(outer) {
+				del_atom(moldyn,moldyn->atom[i].tag);
+				printf("%s atom deleted: %d %d %d\n",ME,
+             	  	               moldyn->atom[i].tag,
+				       moldyn->atom[i].element,
+				       moldyn->atom[i].brand);
+			}
 		}
 	}