nvizlib: fix indentation in position.c

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@46776 15284696-431f-4ddb-bdfa-cd5b030d7da7

lib/nviz/position.c

@@ -1,10 +1,10 @@
 /*!
    \file lib/nviz/position.c
-   
+
    \brief Nviz library -- Position, focus settings
-   
+
    Based on visualization/nviz/src/position.c
-   
+
    (C) 2008, 2010 by the GRASS Development Team
    This program is free software under the GNU General Public License
    (>=v2). Read the file COPYING that comes with GRASS for details.
@@ -20,21 +20,21 @@
 
    Set position to center of view
  */
-void Nviz_init_view(nv_data *data)
+void Nviz_init_view(nv_data * data)
 {
     GS_init_view();
-    Nviz_set_focus_state(1);   /* center of view */
-    
+    Nviz_set_focus_state(1);	/* center of view */
+
     /* set default lights (1 & 2) */
     Nviz_set_light_position(data, 1, 0.68, -0.68, 0.80, 0.0);
-    Nviz_set_light_bright(data,   1, 0.8);
-    Nviz_set_light_color(data,    1, 255, 255, 255);
-    Nviz_set_light_ambient(data,  1, 0.2);
+    Nviz_set_light_bright(data, 1, 0.8);
+    Nviz_set_light_color(data, 1, 255, 255, 255);
+    Nviz_set_light_ambient(data, 1, 0.2);
     Nviz_set_light_position(data, 2, 0.0, 0.0, 1.0, 0.0);
-    Nviz_set_light_bright(data,   2, 0.5);
-    Nviz_set_light_color(data,    2, 255, 255, 255);
-    Nviz_set_light_ambient(data,  2, 0.3);
-    
+    Nviz_set_light_bright(data, 2, 0.5);
+    Nviz_set_light_color(data, 2, 255, 255, 255);
+    Nviz_set_light_ambient(data, 2, 0.3);
+
     return;
 }
 
@@ -49,12 +49,12 @@ void Nviz_init_view(nv_data *data)
 int Nviz_set_focus_state(int state_flag)
 {
     if (state_flag == 1)
-        GS_set_infocus();   /* return center of view */
+	GS_set_infocus();	/* return center of view */
     else if (state_flag == 0)
-        GS_set_nofocus();   /* no center of view -- use viewdir */
+	GS_set_nofocus();	/* no center of view -- use viewdir */
     else {
-        G_warning(_("Unable to set focus"));
-        return 0;
+	G_warning(_("Unable to set focus"));
+	return 0;
     }
 
     return 1;
@@ -75,49 +75,51 @@ int Nviz_set_focus_state(int state_flag)
 int Nviz_set_focus_map(int type, int id)
 {
     if (GS_num_surfs() < 0 && GVL_num_vols() < 0) {
-        GS_set_nofocus();
-        return 0;
+	GS_set_nofocus();
+	return 0;
     }
 
     if (type == MAP_OBJ_UNDEFINED) {
-        int *surf_list, num_surfs, *vol_list;
-
-        if (GS_num_surfs() > 0) {
-            surf_list = GS_get_surf_list(&num_surfs);
-            id = surf_list[0];
-            G_free(surf_list);
-    
-            GS_set_focus_center_map(id);
-        }
-
-        if (GVL_num_vols() > 0) {
-            vol_list = GVL_get_vol_list(&num_surfs);
-            id = vol_list[0];
-            G_free(vol_list);
-    
-            GVL_set_focus_center_map(id);
-        }
-        return id;
+	int *surf_list, num_surfs, *vol_list;
+
+	if (GS_num_surfs() > 0) {
+	    surf_list = GS_get_surf_list(&num_surfs);
+	    id = surf_list[0];
+	    G_free(surf_list);
+
+	    GS_set_focus_center_map(id);
+	}
+
+	if (GVL_num_vols() > 0) {
+	    vol_list = GVL_get_vol_list(&num_surfs);
+	    id = vol_list[0];
+	    G_free(vol_list);
+
+	    GVL_set_focus_center_map(id);
+	}
+	return id;
     }
 
     if (type == MAP_OBJ_SURF) {
-        GS_set_focus_center_map(id);
+	GS_set_focus_center_map(id);
     }
     else if (type == MAP_OBJ_VOL) {
-        GVL_set_focus_center_map(id);
+	GVL_set_focus_center_map(id);
     }
 
     return id;
 }
+
 /*!
    \brief Get focus
 
    \param data nviz data
    \param x,y,z focus coordinates
  */
-int Nviz_get_focus(nv_data * data, float * x, float * y, float * z)
+int Nviz_get_focus(nv_data * data, float *x, float *y, float *z)
 {
     float realto[3];
+
     /* Get current center */
     GS_get_focus(realto);
     *x = realto[0];
@@ -129,6 +131,7 @@ int Nviz_get_focus(nv_data * data, float * x, float * y, float * z)
     return 1;
 
 }
+
 /*!
    \brief Set focus
 
@@ -149,6 +152,7 @@ int Nviz_set_focus(nv_data * data, float x, float y, float z)
     return 1;
 
 }
+
 /*!
    \brief Test focus
 
@@ -159,10 +163,11 @@ int Nviz_has_focus(nv_data * data)
     float realto[3];
 
     if (GS_get_focus(realto))
-        return 1;
+	return 1;
     else
-        return 0;
+	return 0;
 }
+
 /*!
    \brief Get xy range
 
@@ -170,8 +175,9 @@ int Nviz_has_focus(nv_data * data)
  */
 float Nviz_get_xyrange(nv_data * data)
 {
-   return data->xyrange;
+    return data->xyrange;
 }
+
 /*!
    \brief Get z range