# Viewer Surface Window

This window provides a 3D view of the dataset and each part of the window has a different popup menu associated with the right mouse button. The DRAW and DRAPE commands provide nearly identical behaviour so are described below together highlighting where they are different.

## Main Content Window

This is the top part of the window with the surface view in it.

Left Mouse Button: Does nothing.

Right Mouse Button: A pop up menu is appears to provide greater selection options. The main ones of interest are

1. control the direction of viewing (VIEWING menu item). SAVE MACRO saves the current view to a file. When you call APPLY MACRO it will transform your data, (e.g. orientatino, colours, etc) so its looks the same as when SAVE MACRO was last called.
2. control the resolution of the picture (RENDERING menu item).
3. control the lighting type, lighting direction, and shadows on the model (LIGHTING menu item)
4. animation of a series of RST2 files. Set up the picture so that yoou like the view, then click on this option, select the range of files to animate, and presto. TO SCREEN means that VIEWER will do the animation. If you wish more control TO IMAGE FILES and each image in the animation will be output to a .BMP file. You can read this into your favourite movie maker package (e.g. Quicktime Professional, Moviemaker) where you have much greater control over speed of animatino etc. WARNING: for a large animation the IMAGE files can consume a large amount of disk space (e.g. 2000 images will be more than you can fit on CD).

Numeric Keypad: the + zooms in, - zooms out. The left and right arrow keys (also 4 and 6) rotate the image around the vertical axis, the up and down arrows(also 2 and 8) tilt the image up/down, and the up and down arrows with the CTRL held (also 7 and 9) tilt the image left/right.

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## Colour Bar Window

This is the bottom left part of the window with the colour bar in it.

Left Mouse Button: If you click once the numbers you bring up a dialog to change the scale options for the colour bar. If you click on the square coloured boxes mou bring up a dialog to control the colour scheme for low,mid-point, top values of the colour bar.

Right Mouse Button:A pop up menu is appears with a variety of standard colour schemes. In addition, there are a number of special options. LOW BLOCK colours everything below the low value on the colour bar black. HIGH WHITE colours everything above the high value on the colour bar white. OVERLAY CONTOURS overlays some simple psuedo-contour colour schemes.

## Manipulator Window

This is the bottom right part of the window with the colour bar in it.

Left Mouse Button: If you click once on a point on the arrows the plan is moved by an increment in that direction.. If you click once in the circle you zoom in. If you hold down the CTRL key while pressing in the circle then you zoom out. Full control of translation is available through the key pad in the main content window (see above)

Right Mouse Button: A pop up menu appears to provide control over the movement and zooming.

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