From f078c62f87da56da62fc3200b88010f29f1ea0cb Mon Sep 17 00:00:00 2001
From: plainheart <yhen@all-my-life.cn>
Date: Wed, 5 Jan 2022 19:15:04 +0800
Subject: [PATCH 1/2] fix(polar): fix symbols are clipped unexpectedly for the
 tiny offset.

---
 src/coord/polar/Polar.ts |  5 +++--
 test/clip.html           | 13 +++++++++++++
 2 files changed, 16 insertions(+), 2 deletions(-)

diff --git a/src/coord/polar/Polar.ts b/src/coord/polar/Polar.ts
index 912f6c7777..e7b9db6cce 100644
--- a/src/coord/polar/Polar.ts
+++ b/src/coord/polar/Polar.ts
@@ -228,7 +228,8 @@ class Polar implements CoordinateSystem, CoordinateSystemMaster {
                 // Start angle and end angle don't matter
                 const dx = x - this.cx;
                 const dy = y - this.cy;
-                const d2 = dx * dx + dy * dy;
+                // minus a tiny value 1e-4 to avoid being clipped unexpectedly
+                const d2 = dx * dx + dy * dy - 1e-4;
                 const r = this.r;
                 const r0 = this.r0;
 
@@ -265,4 +266,4 @@ interface PolarArea extends CoordinateSystemClipArea {
     clockwise: boolean
 }
 
-export default Polar;
\ No newline at end of file
+export default Polar;
diff --git a/test/clip.html b/test/clip.html
index 00ccf44770..a560d071b5 100644
--- a/test/clip.html
+++ b/test/clip.html
@@ -116,6 +116,19 @@
                     data1.push([Math.random() * 10, Math.random() * 360]);
                 }
 
+                data1.push({
+                    value: [5, 82],
+                    name: 'This point shouldn\'t be clipped',
+                    itemStyle: {
+                        color: 'red'
+                    },
+                    label: {
+                        show: true,
+                        formatter: '👆{b}👆',
+                        position: 'bottom'
+                    }
+                });
+
                 var option = {
                     polar: {},
                     angleAxis: {

From f64d1ebf9fec1b7d4f682965c19baa18976ca144 Mon Sep 17 00:00:00 2001
From: plainheart <yhen@all-my-life.cn>
Date: Wed, 5 Jan 2022 19:25:13 +0800
Subject: [PATCH 2/2] test: tweak test title.

---
 test/clip.html | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/test/clip.html b/test/clip.html
index a560d071b5..165e3f73f3 100644
--- a/test/clip.html
+++ b/test/clip.html
@@ -150,7 +150,7 @@
                     }]
                 };
                 var chart = testHelper.create(echarts, 'scatter-clip-polar', {
-                    title: 'Scatter Clip on Polar',
+                    title: ['Scatter Clip on Polar', 'Shrink the page, this red point shouldn\'t be clipped'],
                     option: option,
                     height: 400,
                     buttons: makeToggleChartButtons(function (clip) {