GitHub user dosubot[bot] added a comment to the discussion: Deck.gl map change
style directly on dashboard
<!-- Answer -->
To dynamically change a query based on user input in a Superset dashboard using
the `MaskExtension` from deck.gl, you would typically follow these steps:
1. **State Management**: Use a state management approach to capture user
inputs. In Superset's frontend, this is often handled using Redux or React
hooks like `useState` and `useEffect`. This allows you to track changes in user
inputs and update the state accordingly.
2. **Update Parameters**: Modify the parameters passed to the `MaskExtension`
based on the captured user inputs. This involves updating the properties of the
deck.gl layer that uses the `MaskExtension` to reflect the new state.
3. **Trigger Re-render**: Ensure that changes in the state trigger a re-render
of the deck.gl layer. This can be achieved by using the `renderTrigger`
property in the control configuration, which ensures that the visualization
updates automatically when the state changes.
4. **Example Integration**: In the context of the `MaskExtension`, you might
have a control that allows users to select a time window or animation speed.
You would capture these inputs and update the corresponding properties in the
deck.gl layer configuration.
Here's a simplified example of how you might set this up in a React component:
```jsx
import React, { useState, useEffect } from 'react';
import { DeckGL } from 'deck.gl';
import { MaskExtension } from '@deck.gl/extensions';
const MyDeckGLComponent = () => {
const [timeWindow, setTimeWindow] = useState(30); // Default to last 30
minutes
// Update the query or parameters based on user input
const handleTimeWindowChange = (newTimeWindow) => {
setTimeWindow(newTimeWindow);
};
// Define the layer with MaskExtension
const layers = [
new SomeLayer({
data: myData,
extensions: [new MaskExtension()],
mask: true,
parameters: {
timeWindow,
},
}),
];
return (
<div>
<input
type="number"
value={timeWindow}
onChange={(e) => handleTimeWindowChange(e.target.value)}
/>
<DeckGL layers={layers} />
</div>
);
};
export default MyDeckGLComponent;
```
In this example, the `timeWindow` state is updated based on user input, and the
deck.gl layer is configured to use this state in its parameters. Adjust the
specifics to fit your application's architecture and the exact functionality
you need.
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GitHub link:
https://github.com/apache/superset/discussions/32149#discussioncomment-12867088
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