Up: Component summary
Up: Component summary
Component
AlphaShapeTakes a list of points and returns the alpha shape. Create the perimeter image with CSV2Image.
| Version | 1.1 |
|---|---|
| Bundle | anima |
| Categories | Data Analysis |
| Authors | Ville Rantanen (ville.rantanen@helsinki.fi) |
| Issue tracker | View/Report issues |
| Requires | R ; alphahull (R-package) |
| Source files | component.xml as.r |
| Usage | Example with default values |
Inputs| Name | Type | Mandatory | Description |
|---|---|---|---|
| in | CSV | Mandatory | A CSV file of coordinates and a label for image name. (e.g. from ImageLocalMaxima component) |
Outputs| Name | Type | Description |
|---|---|---|
| out | CSV | Resulting linked list of edge coordinate points. |
Parameters| Name | Type | Default | Description |
|---|---|---|---|
| alpha | float | 10 | Alpha shape radius |
| cCols | string | "X,Y" | Comma separated list of column names for point coordinates. The first is always assumed to be horizontal direction. Only 2D supported. |
| lCol | string | "File" | Column name for file name (or label) |
Test cases| Test case | Parameters▼ | IN in |
OUT out |
|---|---|---|---|
| case1_normal | (missing) | in | out |