From 79e8da1f46d7f1fcf07d260f5d547c2a356cd04f Mon Sep 17 00:00:00 2001
From: jaseg <git-bigdata-wsl-arch@jaseg.de>
Date: Mon, 24 May 2021 20:50:53 +0200
Subject: Fix phys2doc/doc2phys for image export

---
 svg-flatten/include/geom2d.hpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/svg-flatten/include/geom2d.hpp b/svg-flatten/include/geom2d.hpp
index 80b47df..fa5c545 100644
--- a/svg-flatten/include/geom2d.hpp
+++ b/svg-flatten/include/geom2d.hpp
@@ -99,11 +99,11 @@ namespace gerbolyze {
             };
 
             double doc2phys_dist(double dist_doc) {
-                return xx * dist_doc;
+                return dist_doc * sqrt(xx*xx + xy * xy);
             }
 
             double phys2doc_dist(double dist_doc) {
-                return xx * dist_doc;
+                return dist_doc / sqrt(xx*xx + xy * xy);
             }
 
             d2p doc2phys(const d2p p) {
-- 
cgit