Update view docs (visgl#2947)

Author: Pessimistress

docs/api-reference/deck.md

@@ -209,7 +209,7 @@ The `onViewStateChange` callback is fired when the user has interacted with the
 
 `onViewStateChange({viewState})`
 
-* `viewState` - An updated [view state](/docs/developer-guide/view-state.md) object containing parameters such as `longitude`, `latitude`, `zoom` etc.
+* `viewState` - An updated [view state](/docs/developer-guide/views.md) object containing parameters such as `longitude`, `latitude`, `zoom` etc.
 
 Returns:
 

docs/api-reference/first-person-state.md

@@ -23,31 +23,13 @@ The `position` vector will then be interpreted as meter offsets from this anchor
 For more information on using `View` classes, consult the [Views](/docs/developer-guide/views.md) article.
 
 
-## Usage
-
-Creating a new `FirstPersonView`
-
-```js
-const viewport = new FirstPersonView({
-  // Projection parameters (perspective projection)
-  fov: 45,
-});
-```
-
 ## Constructor
 
 ```js
 new FirstPersonView({...});
 ```
 
-`FirstPersonView` takes the same parameters as the [View](/docs/api-reference/view.md) superclass constructor, with the following additions:
-
-Projection matrix arguments:
-
-* `fov` (Number, optional) - Field of view covered by camera. Default `75`.
-* `near` (Number, optional) - Distance of near clipping plane. Default `0.1`.
-* `far` (Number, optional) - Distance of far clipping plane. Default `1000`.
-
+`FirstPersonView` takes the same parameters as the [View](/docs/api-reference/view.md) superclass constructor.
 
 ## Methods
 

docs/api-reference/first-person-view.md

@@ -198,13 +198,13 @@ Specifies how layer positions and offsets should be geographically interpreted.
 
 The default is to interpret positions as latitude and longitude, however it is also possible to interpret positions as meter offsets added to projection center specified by the `coordinateOrigin` prop.
 
-See the article on Coordinate Systems for details.
+See the article on [Coordinate Systems](/docs/developer-guide/coordinate-systems.md) for details.
 
 ##### `coordinateOrigin` ([Number, Number], optional)
 
 Required when the `coordinateSystem` is set to `COORDINATE_SYSTEM.METER_OFFSETS`.
 
-Specifies a longitude and a latitude from which meter offsets are calculated. See the article on Coordinate Systems for details
+Specifies a longitude and a latitude from which meter offsets are calculated. See the article on [Coordinate Systems](/docs/developer-guide/coordinate-systems.md) for details.
 
 ##### `wrapLongitude` (Boolean, optional)
 
@@ -220,7 +220,7 @@ An optional 4x4 matrix that is multiplied into the affine projection matrices us
 
 Allows local coordinate system transformations to be applied to a layer, which is useful when composing data from multiple sources that use different coordinate systems.
 
-Note that the matrix projection is applied after the non-linear mercator projection calculations are resolved, so be careful when using model matrices with longitude/latitude encoded coordinates. They normally work best with non-mercator viewports or meter offset based mercator layers
+Note that the matrix projection is applied after the non-linear mercator projection calculations are resolved, so be careful when using model matrices with longitude/latitude encoded coordinates. They normally work best with non-mercator viewports or meter offset based mercator layers.
 
 
 ### Data Properties

docs/api-reference/layer.md

@@ -22,19 +22,12 @@ For more information on using `View` classes, consult the [Views](/docs/develope
 
 The default controller of a `MapView` is [MapController](/docs/api-reference/map-controller.md).
 
-## Usage
+## Constructor
 
 ```js
-const viewport = new MapView({id: 'primary-map'});
+const view = new MapView({...});
 ```
 
-
-## Constructor
-
-Creates a new `MapView` instance.
-
-`new MapView({id, ...});`
-
 `MapView` takes the same parameters as the [View](/docs/api-reference/view.md) superclass constructor.
 
 

docs/api-reference/map-view.md

@@ -23,7 +23,7 @@ For more information on using `View` classes, consult the [Views](/docs/develope
 ## Constructor
 
 ```js
-new OrbitView({...});
+const view = new OrbitView({...});
 ```
 
 `OrbitView` takes the same parameters as the [View](/docs/api-reference/view.md) superclass constructor.

docs/api-reference/orbit-view.md

@@ -23,14 +23,6 @@ new PerspectiveView({..., fov: 45});
 
 `PerspectiveView` takes the same parameters as the [View](/docs/api-reference/view.md) superclass constructor.
 
-
-Projection matrix arguments:
-
-* `fov` (Number, optional) - Field of view covered by camera. Default to `75`.
-* `near` (Number, optional) - Distance of near clipping plane. Default to `1`.
-* `far` (Number, optional) - Distance of far clipping plane. Default to `100`.
-
-
 ## Methods
 
 Inherits all [View methods](/docs/api-reference/view.md#methods).

docs/api-reference/perspective-view.md

@@ -22,37 +22,14 @@ The `position` vector will then be interpreted as meter offsets from this anchor
 For more information on using `View` classes, consult the [Views](/docs/developer-guide/views.md) article.
 
 
-## Usage
-
-```js
-const view = new ThirdPersonView({
-  // Projection parameters (perspective projection)
-  fov: 45
-});
-```
-
-
 ## Constructor
 
 ```js
-new ThirdPersonView({fov: 45, width: 500, height: 500, ...});
+new ThirdPersonView({...});
 ```
 
 `ThirdPersonView` takes the same parameters as the [View](/docs/api-reference/view.md) superclass constructor.
 
-Parameters:
-
-* `opts` (Object) - Third person view options
-
-  projection matrix arguments:
-
-  + `fov` (Number, optional) - Field of view covered by camera. Default to `75`.
-  + `near` (Number, optional) - Distance of near clipping plane. Default to `1`.
-  + `far` (Number, optional) - Distance of far clipping plane. Default to `100`.
-  + `aspect` (Number, optional) - Aspect ratio. Default to the view's `width/height`.
-
-See [View constructor](/docs/api-reference/view.md#constructor) for additional parameters, especially for specifying alternate projection matrices, geospatial anchor etc.
-
 
 ## Methods