echarts-bot[bot] commented on issue #17145:
URL: https://github.com/apache/echarts/issues/17145#issuecomment-1144265380

   @biankaiwen111 It seems you are not using English, I've helped translate the 
content automatically. To make your issue understood by more people and get 
helped, we'd like to suggest using English next time. 🤗
   <details><summary><b>TRANSLATED</b></summary><br>
   
   **TITLE**
   
   [Bug] Heat maps produce blank images in the case of some legitimate data
   
   **BODY**
   
   ### Version
   
   5.2.2 and before
   
   ### Link to Minimal Reproduction
   
   _No response_
   
   ### Steps to Reproduce
   
   For the following settings, the heatmap can be drawn correctly
   ````
   option={
       "dataset": [
           {
               "id": "raw",
               "dimensions": [
                   "Survived",
                   "Pclass",
                   "CountOfRecords",
                   "Gender"
               ],
               "source": [
                   [1, 3, 47, "male"],
                   [1, 2, 17, "male"],
                   [1, 1, 45, "male"],
                   [0, 3, 300, "male"],
                   [0, 2, 91, "male"],
                   [0, 1, 77, "male"]
               ]
           },
           {
               "fromDatasetIndex": 0,
               "id": "sorting",
               "transform": {
                   "type": "sort",
                   "config": {
                       "dimension": "Pclass",
                       "order": "asc"
                   }
               }
           }
       ],
       "xAxis": {
           "type": "category",
           "name": "Pclass",
       },
       "yAxis": {
           "type": "category",
           "name": "Survived",
       },
       "series": [
           {
               "type": "heatmap",
               "datasetIndex": 1,
               "encode": {
                   "x": "Pclass",
                   "y": "Survived"
               }
           }
       ],
       "visualMap": [
           {
               "dimension": "CountOfRecords",
               "min": 17,
               "max": 300,
               "calculable": true,
               "orient": "vertical",
               "bottom": "50%",
               "right": "1%"
           }
       ]
   }
   ````
   
![1654126937858](https://user-images.githubusercontent.com/51461951/171519081-d18f5201-7bdc-4540-b770-635421b9971d.png)
   
   But when I exchanged two columns in the original data (exchanged "Gender" to 
the first column), the heat map could not be drawn. Here, the x and y axes are 
confirmed by the column names.
   ````
   option={
       "dataset": [
           {
               "id": "raw",
               "dimensions": [
                   "Gender",
                   "Survived",
                   "Pclass",
                   "CountOfRecords"
               ],
               "source": [
                   ["male", 1, 3, 47],
                   ["male", 1, 2, 17],
                   ["male", 1, 1, 45],
                   ["male", 0, 3, 300],
                   ["male", 0, 2, 91],
                   ["male", 0, 1, 77]
               ]
           },
           {
               "fromDatasetIndex": 0,
               "id": "sorting",
               "transform": {
                   "type": "sort",
                   "config": {
                       "dimension": "Pclass",
                       "order": "asc"
                   }
               }
           }
       ],
       "xAxis": {
           "type": "category",
           "name": "Pclass",
       },
       "yAxis": {
           "type": "category",
           "name": "Survived",
       },
       "series": [
           {
               "type": "heatmap",
               "datasetIndex": 1,
               "encode": {
                   "x": "Pclass",
                   "y": "Survived"
               }
           }
       ],
       "visualMap": [
           {
               "dimension": "CountOfRecords",
               "min": 17,
               "max": 300,
               "calculable": true,
               "orient": "vertical",
               "bottom": "50%",
               "right": "1%"
           }
       ]
   }
   ````
   
![1654127714539](https://user-images.githubusercontent.com/51461951/171520141-ccef7ed2-111d-48a2-9e46-2f1274bcb135.png)
   
   
   ### Current Behavior
   
   Heatmap result is empty
   
   ### Expected Behavior
   
   The heatmap should still draw the image correctly
   
   ### Environment
   
   ````markdown
   - OS: macOS
   - Browser: Chrome
   - Framework:
   ````
   
   
   ### Any additional comments?
   
   _No response_
   </details>


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