From d7e8f527b452cd728600ba334466ad9153ad4182 Mon Sep 17 00:00:00 2001
From: zhangyi <zhangyi462002@gmail.com>
Date: Tue, 5 Nov 2019 08:56:07 +0800
Subject: [PATCH] feat(polar) about ISSUE 11452

---
 src/chart/bar/BarView.js        | 4 ++--
 src/chart/gauge/GaugeSeries.js  | 1 -
 src/coord/polar/polarCreator.js | 2 +-
 test/polar-rounded.html         | 2 +-
 4 files changed, 4 insertions(+), 5 deletions(-)

diff --git a/src/chart/bar/BarView.js b/src/chart/bar/BarView.js
index 80a518598..c421918ad 100644
--- a/src/chart/bar/BarView.js
+++ b/src/chart/bar/BarView.js
@@ -424,8 +424,8 @@ function updateStyle(
 
     el.useStyle(zrUtil.defaults(
         {
-            fill: color,
-            opacity: opacity
+            fill: layout.startAngle === layout.endAngle ? 'transparent' : color,
+            opacity: layout.startAngle === layout.endAngle ? 0 : opacity
         },
         itemStyleModel.getBarItemStyle()
     ));
diff --git a/src/chart/gauge/GaugeSeries.js b/src/chart/gauge/GaugeSeries.js
index 3097bc860..1b8f10429 100644
--- a/src/chart/gauge/GaugeSeries.js
+++ b/src/chart/gauge/GaugeSeries.js
@@ -19,7 +19,6 @@
 
 import createListSimply from '../helper/createListSimply';
 import SeriesModel from '../../model/Series';
-import * as zrUtil from 'zrender/src/core/util';
 
 var GaugeSeries = SeriesModel.extend({
 
diff --git a/src/coord/polar/polarCreator.js b/src/coord/polar/polarCreator.js
index 670776b6b..156f97fba 100644
--- a/src/coord/polar/polarCreator.js
+++ b/src/coord/polar/polarCreator.js
@@ -50,7 +50,7 @@ function resizePolar(polar, polarModel, api) {
 
     var radius = polarModel.get('radius');
     if (radius == null) {
-        radius = [0, "100%"];
+        radius = [0, '100%'];
     }
     else if (!zrUtil.isArray(radius)) {
         // r0 = 0
diff --git a/test/polar-rounded.html b/test/polar-rounded.html
index d01b49226..cce697b73 100644
--- a/test/polar-rounded.html
+++ b/test/polar-rounded.html
@@ -186,7 +186,7 @@ under the License.
                 },
                 series: [{
                     type: 'bar',
-                    data: [1],
+                    data: [0],
                     coordinateSystem: 'polar',
                     name: 'A',
                     roundCap: true,
-- 
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