From 1779ac75684ac6c2dcbece9258e5340d2bd35ee5 Mon Sep 17 00:00:00 2001
From: Since <ax20yhum@cip.cs.fau.de>
Date: Mon, 13 Nov 2017 18:42:30 +0100
Subject: [PATCH] Fix coordinate translation
off-by-one error witnessed by improved translation tests
in commit c503d9d778dc0d5ee8c053e56152fb4012b0d04e
---
translate.go | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/translate.go b/translate.go
index e8e7c05..9c9e864 100644
--- a/translate.go
+++ b/translate.go
@@ -49,8 +49,8 @@ func (c *Composite) calibrateProjection() {
// calibrate scaling
resx, resy := c.Translate(edgeBottom, edgeRight)
- c.Rx = resx / float64(c.Dx-1)
- c.Ry = resy / float64(c.Dy-1)
+ c.Rx = (resx) / float64(c.Dx)
+ c.Ry = (resy) / float64(c.Dy)
}
// Translate translates geographical coordinates (latitude north, longitude east) to the
--
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