Why not?

1 files changed, 28 insertions, 0 deletions

diff --git a/src/cmd/map/libmap/newyorker.c b/src/cmd/map/libmap/newyorker.c
new file mode 100644
index 00000000..370e3b37
--- /dev/null
+++ b/src/cmd/map/libmap/newyorker.c
@@ -0,0 +1,28 @@
+#include <u.h>
+#include <libc.h>
+#include "map.h"
+
+static double a;
+
+static int
+Xnewyorker(struct place *place, double *x, double *y)
+{
+	double r = PI/2 - place->nlat.l;
+	double s;
+	if(r<.001)	/* cheat to plot center */
+		s = 0;
+	else if(r<a)
+		return -1;
+	else
+		s = log(r/a);
+	*x = -s * place->wlon.s;
+	*y = -s * place->wlon.c;
+	return(1);
+}
+
+proj
+newyorker(double a0)
+{
+	a = a0*RAD;
+	return(Xnewyorker);
+}