The Viewport type exposes the following members.
Fields
| Name | Description | |
|---|---|---|
 | _controlSize |
Represents the OpenGL control size measured in pixels
It changes if there is a window resize event
|
| _displaySizeInPx |
Represents the display size measured in pixels.
This field states the ratio milimeters/pixel between OpenGL world and window world
Usually it doesn't change.
|
| _maxv |
Maximum size of the viewport (OpenGl restrictions)
|
| _pan |
it is the pan
|
| _paralax |
it is the paralax: it´s positive with z positive
|
| _zoom |
it is the zoom
|
