From 28994509cc11ac6a5443054dfae1fedfb69039bc Mon Sep 17 00:00:00 2001
From: rsc <devnull@localhost>
Date: Wed, 21 Apr 2004 22:19:33 +0000
Subject: Why not?

---
 src/cmd/map/libmap/cylindrical.c | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 src/cmd/map/libmap/cylindrical.c

(limited to 'src/cmd/map/libmap/cylindrical.c')

diff --git a/src/cmd/map/libmap/cylindrical.c b/src/cmd/map/libmap/cylindrical.c
new file mode 100644
index 00000000..4d01bc23
--- /dev/null
+++ b/src/cmd/map/libmap/cylindrical.c
@@ -0,0 +1,19 @@
+#include <u.h>
+#include <libc.h>
+#include "map.h"
+
+int
+Xcylindrical(struct place *place, double *x, double *y)
+{
+	if(fabs(place->nlat.l) > 80.*RAD)
+		return(-1);
+	*x = - place->wlon.l;
+	*y = place->nlat.s / place->nlat.c;
+	return(1);
+}
+
+proj
+cylindrical(void)
+{
+	return(Xcylindrical);
+}
-- 
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