doc: add series.heatmap.strictlyAligned

en/option/partial/strictly-aligned.md

@@ -0,0 +1,10 @@
+
+{{ target: partial-strictly-aligned }}
+
+## strictlyAligned(boolean) = false
+
+force straight lines to align. It is valid with [coordinateSystem](~series-heatmap.coordinateSystem) of 'cartesian2d' value.
+
+**Notice**: When big data and this option are enabled, performance issues may occur.
+
+<ExampleUIControlEnum options="false,true" />

en/option/series/heatmap.md

@@ -112,6 +112,10 @@ Configurations of select state. Available when [selectedMode](~series-heatmap.se
     version = '5.0.0'
 ) }}
 
+## strictlyAligned(boolean) = false
+
+{{ use: partial-strictly-aligned() }}
+
 ## data(Array)
 
 {{ use: partial-2d-data-desc() }}

zh/option/partial/strictly-aligned.md

@@ -0,0 +1,9 @@
+{{ target: partial-strictly-aligned }}
+
+## strictlyAligned(boolean) = false
+
+强制线条对齐，在笛卡尔坐标系([coordinateSystem](~series-heatmap.coordinateSystem): 'cartesian2d')上有效。
+
+**注意**：此配置生效后，在数据量很大时可能会有性能问题。
+
+<ExampleUIControlEnum options="false,true" />

zh/option/series/heatmap.md

@@ -163,6 +163,10 @@ option = {
     version = '5.0.0'
 ) }}
 
+## strictlyAligned(boolean)
+
+{{ use: partial-strictly-aligned }}
+
 ## data(Array)
 
 {{ use: partial-2d-data-desc() }}