From: jsimomaa <jani.simomaa@gmail.com>
Date: Fri, 31 Jan 2020 09:59:32 +0000 (+0200)
Subject: Diagram element calculateScaleRecip should never return 0
X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=commitdiff_plain;h=017bf2dd0e6f23bb8a03608cb3f9a9fa6194bab4;p=simantics%2Fdistrict.git

Diagram element calculateScaleRecip should never return 0

gitlab #78

Change-Id: Ie8a71822f7b0a8d2d8a0d9720a825fc8a59cf51f
(cherry picked from commit 6b176202f7acfdbea0d23b4b1d56737cdc41a624)
---

diff --git a/org.simantics.district.network.ui/src/org/simantics/district/network/ui/nodes/DistrictNetworkNodeUtils.java b/org.simantics.district.network.ui/src/org/simantics/district/network/ui/nodes/DistrictNetworkNodeUtils.java
index 09224291..182176d2 100644
--- a/org.simantics.district.network.ui/src/org/simantics/district/network/ui/nodes/DistrictNetworkNodeUtils.java
+++ b/org.simantics.district.network.ui/src/org/simantics/district/network/ui/nodes/DistrictNetworkNodeUtils.java
@@ -49,6 +49,8 @@ public class DistrictNetworkNodeUtils {
 
     public static double calculateScaleRecip(AffineTransform tr) {
         int zoomLevel = MapScalingTransform.zoomLevel(tr);
+        if (zoomLevel == 0)
+            zoomLevel = 1;
         return 1.0 / (getScale(tr) * Math.sqrt(zoomLevel));
     }