Function setAllCategoriesVisibility

setAllCategoriesVisibility(layerId, thematicId, visibility): void
JMap.Layer.Thematic.setAllCategoriesVisibility

Shows or hides all thematic categories of a layer on the map
Parameters
- layerId: JId
  The JMap layer id
- thematicId: JId
  The thematic id
- visibility: boolean
  true to show, false to hide
Returns void
Throws
Error if layer or thematic is not found, or if an invalid param is provided

Example
```
// Hide all categories of thematic id=3 of layer id=7
JMap.Layer.Thematic.setAllCategoriesVisibility(
   layerId: 7,
   thematicId: 3,
   visibility: false
 )
```