From f16eadb698600b9fd5800053ffcf016faf08691e Mon Sep 17 00:00:00 2001
From: CoolSummer <147201214@qq.com>
Date: Tue, 3 Mar 2020 23:08:42 +0800
Subject: [PATCH] feat(bar): in polar axis provide negative values. close
 #12109

---
 src/layout/barPolar.js | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/src/layout/barPolar.js b/src/layout/barPolar.js
index 2aebd930b0..1266d530bc 100644
--- a/src/layout/barPolar.js
+++ b/src/layout/barPolar.js
@@ -82,10 +82,17 @@ function barLayoutPolar(seriesType, ecModel, api) {
         var clampLayout = baseAxis.dim !== 'radius'
             || !seriesModel.get('roundCap', true);
 
-        var valueAxisStart = valueAxis.getExtent()[0];
-
+        var valueAxisStart;
+        if(valueAxis.model.option.min){
+            valueAxisStart = valueAxis.model.option.min;
+        }else{
+            valueAxisStart = valueAxis.getExtent()[0];
+        }
         for (var idx = 0, len = data.count(); idx < len; idx++) {
             var value = data.get(valueDim, idx);
+            if(seriesModel.seriesIndex !== 0){
+                value += valueAxisStart;
+            }
             var baseValue = data.get(baseDim, idx);
 
             var sign = value >= 0 ? 'p' : 'n';