From 84aed002bd8227fc75744a1882bc2a1c2e26173c Mon Sep 17 00:00:00 2001
From: parkrrrr <parkrrrr@f51c46e8-681c-474f-0cfe-069cfd0219fb>
Date: Mon, 8 Mar 2004 17:46:38 +0000
Subject: [PATCH] Added 'all' option to position filter

---
 gpsbabel/README     |  2 ++
 gpsbabel/position.c | 13 +++++++++++++
 2 files changed, 15 insertions(+)

diff --git a/gpsbabel/README b/gpsbabel/README
index 5f47e9ce5..84cea124f 100644
--- a/gpsbabel/README
+++ b/gpsbabel/README
@@ -543,6 +543,8 @@ DATA FILTERS
 	would remove multiple points that are within 1 foot of each other,
 	leaving just one.
 
+	You can also specify the "all" option, which would remove all 
+	of the points rather than leaving one.
 
     RADIUS
 
diff --git a/gpsbabel/position.c b/gpsbabel/position.c
index f1100bcfa..e5273ed2e 100644
--- a/gpsbabel/position.c
+++ b/gpsbabel/position.c
@@ -29,6 +29,7 @@ extern queue waypt_head;
 
 static double pos_dist;
 static char *distopt;
+static char *purge_duplicates = NULL;
 static char *latopt;
 static char *lonopt;
 static char *exclopt;
@@ -44,6 +45,7 @@ static
 arglist_t position_args[] = {
 	{"distance", &distopt, "Maximum positional distance",
 		ARGTYPE_FLOAT | ARGTYPE_REQUIRED },
+	{"all", &purge_duplicates, "Suppress all points close to other points", ARGTYPE_BOOL }, 
 	{0, 0, 0, 0}
 };
 
@@ -125,6 +127,7 @@ position_process(void)
 	waypoint ** comp;
 	double dist;
 	int i, wc;
+	int del = 0;
 
 	wc = waypt_count();
 
@@ -151,7 +154,17 @@ position_process(void)
 		if (dist <= pos_dist) {
 			waypt_del(comp[i]);
 			waypt_free(comp[i]);
+			del = !!purge_duplicates;
 		}
+		else if (del ) {
+			waypt_del(comp[i]);
+			waypt_free(comp[i]);
+			del = 0;
+		}
+	}
+	if ( del ) {
+		waypt_del(comp[wc-1]);
+		waypt_free(comp[wc-1]);
 	}
 
 	if (comp)
-- 
2.30.2