From 5d93759072fc58f2e55f4bac147ec809a0106fda Mon Sep 17 00:00:00 2001
From: pissang <bm2736892@gmail.com>
Date: Thu, 20 Feb 2020 22:49:58 +0800
Subject: [PATCH] fix(radar): optimize ticks calculation when min/max is not
 defined.

Fix value may excced min caused by https://github.com/apache/incubator-echarts/pull/11841
---
 src/coord/radar/Radar.js | 12 +++++-------
 1 file changed, 5 insertions(+), 7 deletions(-)

diff --git a/src/coord/radar/Radar.js b/src/coord/radar/Radar.js
index aebc896bc..818e036a0 100644
--- a/src/coord/radar/Radar.js
+++ b/src/coord/radar/Radar.js
@@ -195,6 +195,7 @@ Radar.prototype.update = function (ecModel, api) {
         var fixedMax = axisModel.getMax();
         var interval = scale.getInterval();
 
+
         if (fixedMin != null && fixedMax != null) {
             // User set min, max, divide to get new interval
             scale.setExtent(+fixedMin, +fixedMax);
@@ -230,13 +231,10 @@ Radar.prototype.update = function (ecModel, api) {
             if (nicedSplitNumber > splitNumber) {
                 interval = increaseInterval(interval);
             }
-            // PENDING
-            var center = Math.ceil((rawExtent[0] + rawExtent[1]) / 2 / interval) * interval;
-            var halfSplitNumber = Math.round(splitNumber / 2);
-            scale.setExtent(
-                numberUtil.round(center - halfSplitNumber * interval),
-                numberUtil.round(center + (splitNumber - halfSplitNumber) * interval)
-            );
+            // TODO
+            var max = Math.ceil(rawExtent[1] / interval) * interval;
+            var min = numberUtil.round(max - interval * splitNumber);
+            scale.setExtent(min, max);
             scale.setInterval(interval);
         }
     });
-- 
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