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ChemOffice.Com - CambridgeSoft

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Administrator<br />

The following table describes the objects in the<br />

Model window.<br />

Object<br />

Model area<br />

Active Window<br />

tab<br />

Rotation Bars<br />

Chem3D 9 introduces dynamic (auto-hide) rotation<br />

bars. The rotation bars only appear on your screen<br />

when you are actually using them. To view the<br />

dynamic rotation bars you must do two things:<br />

• Activate rotation mode by selecting the<br />

Trackball tool.<br />

• “Mouse over” the rotation bar area.<br />

Bond axis<br />

Description<br />

The workspace where a<br />

molecular model is viewed, built,<br />

edited, or analyzed. The origin<br />

of the Cartesian axes (0,0,0) is<br />

always located at the center of<br />

this window, regardless of how<br />

the model is moved or scaled.<br />

The Cartesian axes do not move<br />

relative to the window.<br />

Chem3D 9 can open multiple<br />

models simultaneously. The tab<br />

selects the active window.<br />

Z-axis<br />

Y-axis<br />

X-axis<br />

Click on a bar and drag to rotate a model around<br />

that axis. The “Rotate About a Bond” bar is only<br />

active when a bond or dihedral is selected.<br />

Freehand rotation is accomplished by dragging in<br />

the main window. The cursor changes to a hand<br />

when you are in freehand rotation mode.<br />

You can turn off the display (but not the function)<br />

of the bars with the Show Mouse Rotation Zones<br />

checkbox on the GUI tab of the Preferences dialog<br />

box (File > Preferences).<br />

Menus and Toolbars<br />

All Chem3D commands and functions can be<br />

accessed from the menus or toolbars. The toolbars<br />

contain icons that offer shortcuts to many<br />

commonly used functions. You can activate the<br />

Toolbars you want from the Toolbars submenu of<br />

the View menu.<br />

Toolbars can be attached to any side of the GUI, or<br />

can be “torn off ” and placed anywhere on the<br />

screen for convenience.<br />

TIP: Most Toolbar commands are duplicated from the<br />

menus, and are intended as a convenience. If you only use a<br />

command infrequently, you can save clutter by using the menu<br />

commands.<br />

The File Menu<br />

In addition to the usual File commands, you use the<br />

File menu to access the Chem3D Templates and<br />

Preferences, and the Model Settings.<br />

• Import File—Import MOL2 and SD files into<br />

Chem3D a document. The import utility<br />

accurately preserves model coordinates.<br />

• Model Settings—Displays the Settings dialog<br />

box. Set defaults for display modes and colors,<br />

model building, atom and ligand display, atom<br />

labels and fonts, movie and stereo pair settings,<br />

and atom/bond popup label information.<br />

10 •Chem3D Basics <strong>CambridgeSoft</strong><br />

The Graphical User Interface

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