## Start the editor

From file manager ( for Windows 3.1 or Windows NT ) or explorer ( for Windows 95 ) click on rted.exe file. The program will start and you will see this:

All is divided in four view windows: front, top, side, preview.

Any view window shows the scene from a different point of view.

Front: seen in the plane X-Z.

Top: seen in the plane X-Y.

Side: seen in the plane Y-Z.

Preview : like in the final rendering.

All the views are empty except for an object in the centre of each one. This object is the default camera.

The camera may appear differently from the picture, if you have modified the camera shape.

If you move the mouse onto it and click with the left button you will select the camera. The camera will change the color (it could became green) and some strange symbols will be visible.

These symbols describe the view of the scene in the final rendering. They are:

The VRP

VRP is the center of the image window ( the final image rendered ) .

The VUP

This symbol shows the "up" of the view.

The VPN

This symbol shows the direction where you look the scene.

The IMAGE PLANE is the base of the yellow pyramid.

The PRP

This symbol defines the position of the observer.

If you click with left button of the mouse far from the camera, you deselect it and all will became as when starting.

To modify the view you should change the position of the VRP, the VUP, the VPN.

To modify the VRP:

1) click on the VRP symbol with left button of the mouse. In the status bar you should read "VRP"

2) move the cursor in the new position for the VRP

3) press `m' key and you will move it (`m' for move)

To make camera able to view your scene you have to SET it.

You should click onto camera with right button and you will see this: