LightWave 2018

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In no time, you’ll find yourself mastering LightWave’s intuitive interface. LightWave uses very few graphical icons. Instead, most functions are listed on the interface panels in plain text. Listed below are a few other conventions involved with the LightWave interface:

Throughout

LightWave Panels and Dialogs

LightWave’s panels and requesters are generally non-modal and can be left open even while you interact, say, with the Layout window and its controls.

Maths in Input Fields

Numeric input fields support basic maths operations (+, -, *, /, and ^) and algebraic equations. You can even mix units. Here is an example: (12ft+14m)^2+(3/5). The result, 312.3908 m, would appear after you press the Enter key. Note that the result is shown using the default unit; here, it is meters. Also, since we didn’t specify the unit of measure for the 3 and 5, the default is used.

Enter/Tab Keys with Input Fields

When you enter values into dialogs that have multiple input fields, the Tab and Enter keys have special functions to save you time. Pressing the Tab key stores the entered/current value and automatically advances you to the next input field. Shift + Tab moves to the previous field. The Enter key also stores value, dismisses the dialog, if appropriate.

Yes and No

Whenever a requester asks you a Yes or No question, pressing the Enter key is the same as selecting Yes, while pressing the Esc key is the same as selecting No. Likewise, an Error, Warning or Reminder requester with a choice of Continue or Cancel can use Esc for Cancel and Enter for Continue. For those requesters with only a Continue, pressing either Esc or Enter will close the panel.

Mini-Sliders

The mini-sliders to the right of numeric entry fields have particular properties. If a field is for a percentage percent steps are made in half-percent increments. For a field in Degrees, angles are in half-degrees, and the scalar and distance modes use a sliding scale so that has the value gets larger so does the step size.

There is a soft-limit on the numerical edit fields when in Percent mode. When the number is in the range of 0%-100% the mini-slider will stay within that range. Manually entering a number outside that range (if a hard limit has not been set) will allow the mini-slider to slide outside the 0%-100% range.

New Panel Hierarchies

New panels (like the Surface Editor, Render Properties window and others) have collapsible hierarchies. Holding down the Ctrl key when clicking will open or close all siblings, holding down the Alt key when clicking a closed hierarchy will open that group and shut others. Holding Alt when there are several hierarchies open will maintain the one clicked on and close the others.

Node Editors

Edit Nodes buttons in panels are accompanied by a check to activate nodal options and a clipboard icon that allows copying and pasting of node flows between node editors.

Dragging and Dropping

Many files can be loaded simply by dragging and dropping them onto LightWave's interface, including scene files, objects, images and animations.

Color Selection

Where you must select a certain color (e.g., surface color), there will be a three-number color component display and a color swatch box. You can also drag your mouse on each color component to change its value. By default, the standard RGB color space is displayed; however, if you right-click on the display, you may also use the Hue, Saturation, and Value (HSV) color space, if that is more familiar to you. HSV is based on the artist’s concepts of tint, shade, and tone. There are over 16.7 million possible color combinations.

Left: RGB, Right: HSV


Unlike RGB, HSV color components are not independent. For example, if Value is 0 (i.e., brightness is 0), you will not be able to change Hue (color) nor Saturation. Similarly, if Saturation is 0, you will not be able to change Hue. Moreover, reducing one component may cause another component to decrease.

 

Colors can be copied and pasted by clicking Ctrl RMB on the swatch, then Alt-clicking RMB on the target swatch. (On the Mac, use Option for Alt)

Ctrl right-clicking on the blue swatch, then Alt right-clicking on the green replaces it with blue.

Color Picker

LightWave’s default color picker has been renewed and given powerful new features. The color picker’s features are fully explained in the Surface and Render guide - Color Picker.

Standard List Windows

Windows that contain lists of items (surfaces, scene items, menu items, etc.) all have a slider bar to scroll through the list. If the list is hierarchical in nature, there will be arrowheads to the left of item names. If the arrowhead is facing to the right, then they are subordinate items to this parent item. Clicking the arrowhead will make it point downwards and also reveal the subordinate items.

Clicking the arrowhead expands and contracts hierarchies

If selection is appropriate, you can click on an item to select it. Ctrl + click will select non-contiguous items and Shift + Click will select a range of items.

List windows that are hierarchical in nature can be reorganized by dragging items around in the list. Where appropriate, multiple selection is supported.

Reorganizing Lists

In some list windows (e.g., menu configuration), you can reorganize entries by just dragging them in the window. Place your pointer over the entry and drag it up or down. You will see a thin line appear as you drag. This is the insert point. Releasing the mouse button will drop the entry here.

Now, if your pointer is at a position where the dropped item could be, say, a sub-item of an entry, the same level as the entry, or even the same level as the next entry, the length of the line would change as you drag. The position of the left end of the line determines the level of the drop.

Finding Assignments and Commands

If you have a command selected in the left window and click Find, the command, if any, on the right will become selected. Selecting a command in the right window and clicking Find will select the matching command in the left window.

Since a command can be assigned to more than one menu location, successive Find clicks will show the next assignment, if more than one exists.

Clicking Search allows you to type in a search phrase to find a command. Note that this will only find the first instance and it is case sensitive.

If you know the keyboard shortcut, but want to find the corresponding menu location, use the Find function on the Configure Keys Panel to determine the command name. Then, use the Find function on the Configure Menus Panel to see where it is assigned.

Deleting Menu Items

To delete a command/group, select it and click the Delete button.

Window Pop-up

The Window pop-up menu lets you select different menus to edit (e.g., Graph Editor), if available.

Maintaining Menu Sets

The Load and Save buttons let you retrieve and store menu sets that you develop. To restore the default menu configuration, choose Default from the Presets pop-up menu. If you’d like to have a menu set for Layout similar to previous versions these are also available, but tools newer than the version chosen will not be available in the menus. In Modeler’s Configure Menus tool you have similar options.

Arranging Menu Tabs

You can reorganize the main menu tabs by simply dragging them left or right on the main interface. Before you release the mouse button you will see an insertion point marker appear.

Keyboard Shortcuts

Keyboard shortcuts are displayed on the right side of buttons, if applicable. Keystrokes that need the Shift key are displayed in uppercase if they are letters. (e.g., A) Unshifted keystrokes are displayed in lowercase. (e.g., a) For example, M is Shift + M and & would be Shift + 7 on a US keyboard. This manual, however, always explicitly indicates when the Shift key should be used and shortcut letters are shown as upper case.

You need to be aware of the state of your Caps Lock. If this is active, it can affect upper and lowercase keyboard shortcuts.

Panel-Specific Shortcuts

Some panels have their own special keyboard shortcuts. To use them, you must have that panel active. (Click on it, if it isn’t already active.) If the panel is not active and that shortcut has another meaning for LightWave in general, the general function will be run. Moreover, if the panel is active, but doesn’t use the keyboard shortcut, it will be passed to the main interface.

Context Pop-up Menus

Both Layout and Modeler have special “context” pop-up menus that you display by holding Ctrl + Shift and clicking your LMB, MMB, or RMB with your mouse pointer over a viewport - there are different menus for each mouse button. This keyboard shortcut is hardcoded.

Left Mouse Button Menu

This menu contains commands for Loading and basic creation tools.

Middle Mouse Button Menu

In Layout, the MMB menu is concerned with character rigging and animation. In Modeler, the context menu for the middle mouse button exactly mirrors the group structure for commands, as found in the menu and key editing dialogs - including any plug-in commands added to the system. If you know where a command is located in the master groupings, you can find it in the middle button menu.

Right Mouse Button Menu

Contains settings tools and utility windows. For example, the Layout RMB menu contains commands to launch the Scene / Dope Editor, Graph Editor

and Preferences windows.

Glossary