- 修复bug：「value=0」也会上色，这不对

    - 现在直接过滤到「x<0.01」的值，不参与上色任务，直接显示nodata

Author: Cyan

provisioning/dashboards/dashboard.json

@@ -47,7 +47,7 @@
           },
           "refId": "A",
           "scenarioId": "csv_content",
-          "csvContent": "time,value\n2026-02-28T00:30:00Z,1\n2026-02-28T16:30:00Z,2\n2026-02-28T23:30:00Z,3\n2026-02-27T00:30:00Z,4\n2026-02-27T16:30:00Z,5\n2026-02-27T23:30:00Z,6\n2026-02-26T00:30:00Z,7\n2026-02-26T16:30:00Z,8\n2026-02-26T23:30:00Z,9"
+          "csvContent": "time,value\n2026-02-14T00:00:00Z,1\n2026-02-15T00:00:00Z,2\n2026-02-16T00:00:00Z,3\n2026-02-17T00:00:00Z,4\n2026-02-18T00:00:00Z,5\n2026-02-19T00:00:00Z,0\n2026-02-20T00:00:00Z,0\n2026-02-21T00:00:00Z,8\n2026-02-22T00:00:00Z,9\n2026-02-23T00:00:00Z,10\n2026-02-24T00:00:00Z,11\n2026-02-25T00:00:00Z,12\n2026-02-26T00:00:00Z,13\n2026-02-27T00:00:00Z,14\n2026-02-28T00:00:00Z,15"
         }
       ],
       "title": "Calendar Heatmap Panel (Timezone test)",
@@ -74,8 +74,8 @@
     "list": []
   },
   "time": {
-    "from": "2026-02-25T00:00:00Z",
-    "to": "2026-03-02T00:00:00Z"
+    "from": "2026-02-14T00:00:00Z",
+    "to": "2026-03-01T00:00:00Z"
   },
   "timepicker": {},
   "timezone": "",

src/types.ts

@@ -45,12 +45,6 @@ export interface CalendarHeatmapOptions {
 
   bucketMode: 'auto' | 'custom';
 
-  /**
-   * Values < minColoredValue are treated as empty (blank).
-   * Requirement: empty is [0, minColoredValue), and >= minColoredValue is colored.
-   */
-  minColoredValue: number;
-
   /**
    * Custom bucket edges for bucketMode=custom.
    * Must be 4 numbers, strictly increasing, and include 0.

src/utils/dataProcessor.ts

@@ -38,6 +38,13 @@ export function processTimeSeriesData(series: DataFrame[], aggregation: Aggregat
 
   dailyData.forEach((values, date) => {
     const count = aggregate(values, aggregation);
+
+    // 把 [0, 0.01) 当作 “没有数据”：不生成 heatmap cell
+    // 这样可以保证 0 不会落入任何颜色 bucket（避免被渲染成浅绿/浅蓝）
+    if (count >= 0 && count < 0.01) {
+      return;
+    }
+
     result.push({ date, count: Math.round(count * 100) / 100 });
   });