StackGenVis: Alignment of Data, Algorithms, and Models for Stacking Ensemble Learning Using Performance Metrics
https://doi.org/10.1109/TVCG.2020.3030352
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50 lines
1.6 KiB
50 lines
1.6 KiB
4 years ago
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gl-pointcloud2d
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============
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WebGL 2D point cloud for lots of points
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## Example
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... to be created
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## Install
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Using [npm](https://docs.npmjs.com/), you can install this module as follows:
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```
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npm i gl-pointcloud2d
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```
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## API
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### Constructor
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#### `var pointcloud = require('gl-pointcloud2d')(plot, options)`
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Creates a new 2D point cloud.
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* `plot` is a reference to a `gl-plot2d` object
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* `options` is a JSON object containing the parameters which are passed to the object when it is updated.
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`options` has the following properties:
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* `data` is a packed 2*n length array of the unrolled xy coordinates of the points (required) - buffering is significantly faster if it's of type Float32Array
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* `idToIndex` is an optional array of length n where `idToIndex[i] = i` - buffering is significantly faster if it's supplied and of type Int32Array
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* `color` is the color of a marker as a length 4 RGBA array (default `[1,0,0,1]`)
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* `borderSize` is the ratio of the border around each point (default `0`)
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* `borderColor` is the color of the border of each point (default `[0,0,0,1]`)
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* `blend` determines if `gl` blending is enabled for a translucency effect on overlaps; enabling it lowers draw speed somewhat (default `false`)
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**Returns** A new point cloud plot object, which is also registered to `plot`
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### Methods
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#### `pointcloud.update(options)`
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Updates the point cloud plot.
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* `options` is an object with the same properties as in the point cloud plot constructor
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#### `pointcloud.dispose()`
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Destroys the point cloud plot and all associated resources.
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## License
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(c) 2015 Mikola Lysenko. MIT License
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Development supported by plot.ly
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