I am using SuperMap iPortal to create a dashboard. One of the key insights I want to visualize is the number of features grouped by a specific column.
For example, I have the following data:
| No | Status | Type |
| 1 | Good | A |
| 2 | Bad | A |
| 3 | Good | B |
| 4 | Good | B |
| 5 | Good | A |
I would like to create a visualization that summarizes this data, such as a text indicator, bar chart, or pie chart, displaying:
- Status: Good = 4, Bad = 1
- Type: A = 60%, B = 40%
I want to generate this information directly from a single data source, without the need to preprocess or separate the data.
Issue I Am Facing:
When creating visualizations in iPortal using line-based data (which includes length attributes), I encountered the following limitations:
1. I can select Status as the Category Field.
2. However, for the Value Field, I can only choose from columns such as `SMID`, `SMUserID`, `SMLength`, `SMTopoError`, or `SMGeoParam`.
3. As a result, the chart does not display the total number of features per category.
- If I choose `SMLength`, the chart does not sum up the total length of all features within a category. Instead, it simply displays the individual length of each feature, which does not provide the aggregated count I need.
- If I choose `SMID`, each feature is displayed as an individual value instead of an aggregated total.
Questions:
1. How can I display the total count of features per category in a bar chart, pie chart, or text indicator in iPortal?
2. If iPortal does not have a built-in feature for this, what alternative solutions can be used to achieve this visualization?
Thank you!
