home *** CD-ROM | disk | FTP | other *** search
Text File | 1987-05-11 | 9.8 KB | 209 lines | [TEXT/ttxt] |
- What ChemIntosh Desk Accessory Can Do
-
- Introduction
-
- ChemIntosh Desk Accessory is a powerful drawing tool for chemists.
- It simplifies the creation of chemical structure diagrams. It can be
- used with word processors and other applications for drawing. With
- a word processor, draw the diagram in ChemIntosh DA and then copy
- it into your document. You can combine the graphics produced by this
- desk accessory with other object-oriented drawing programs, such as
- MacDraw or SuperPaint. These applications can be used to include
- your structural diagrams in complex figures for later inclusion in a
- word processing document.
-
- ChemIntosh DA operates much like other Macintosh drawing
- applications. You will often be able to guess how the palette tools
- work if you are familar with MacDraw. The brief description below
- will provide you with more details. The question mark icon in the
- palette will give you on-screen help. Click the icon and then one or
- more other palette icons to display the help messages. When you’re
- finished, click the question mark icon again to exit the help mode.
-
- To use the demo desk accessory, install the file “Demo ChemIntosh” in
- the system file with Font/DA Mover and put a copy of the file
- “ChemIntosh” in the system folder.
-
- The introductory price for ChemIntosh DA is $149 through
- 31 July 1987 ($295 after). A simpler desk accessory for drawing
- chemical structures, ChemPanion DA, is priced at $75 through
- 31 July 1987 ($149 after). For more information, call SoftShell
- Company at 716-334-7150 or write to us at PO Box 632,
- Henrietta, NY, 14467.
-
- The ChemIntosh Window
-
- The desk accessory is operated by using palette tools which are
- positioned along the left edge in two columns. A second set of
- palette tools appears when the caps-lock key is down. A panel
- appears just below the title bar to create, edit, and display chemical
- symbol strings prior to placing them in the work area.
-
- The Edit Menu
-
- The standard commands in the edit menu — undo, cut, copy, and
- paste — can be invoked within ChemIntosh. Any operation that
- changes, deletes, or adds objects can be undone except those for
- editing text.
-
- Bonds
-
- The palettes contain several tools for drawing bonds — wedge, bold,
- hashed wedge, hash, wavy, dashed, plus single, double, and triple
- bonds with the same tool. New bonds are created by dragging the
- mouse. A line showing the location of the bond to be created follows
- the mouse movement. In normal operation, the length for the bond is
- fixed and the angle is forced to a multiple of 15°. The constraint on
- the length of a bond is removed by holding the shift key down. The
- constraint on the angle is removed by holding the option key down.
- The type or direction of a bond is changed by a click at the center.
-
- To start bonds with an endpoint at an existing atom, the desk
- accessory provides a margin for error — a hit box — in accessing the
- existing atom’s coordinates. If you press or release the mouse button
- when the atom’s hit box is visible, the coordinates of the atom rather
- than the cursor are used.
-
- The standard bond length, angle, and hit box size are changed with the
- palette tool which customizes ChemIntosh. In addition, the
- characteristics for many other objects can be changed with this tool.
-
- Rings
-
- The two palettes contain several tools for rings. New rings are
- created by dragging the mouse. The length and orientation of the
- first bond determine the size and orientation of the ring. As with
- bonds, the length is fixed and the angle is forced to a multiple of 15°.
- Holding down the shift and option keys removes these constraints.
-
- Benzene rings are formed with a tool that automatically places a
- circle within the hexagon. Dragging over a bond in an existing
- cyclohexane ring adds a circle to the center. If any atom in the ring
- is deleted or any bond is deleted or changed, the circle is deleted.
- Five-membered unsymmetrical rings are formed with two palette
- tools. The desk accessory selects the starting bond for these rings,
- either the left or the right, to keep the ring orientation consistent
- with the palette symbol. The chair and boat conformations of
- cyclohexane are simple to create with palette tools.
-
- Chemical Symbol Strings
-
- The standard Macintosh text editing techniques are used to create
- chemical symbol strings in the symbol-string panel before the string
- is placed in the work area with the palette tool (the icon is an ether
- moeity). Chemical symbol strings are placed in the work area in
- several different ways with this tool. Click any number of atoms to
- replace them with a single heteroatom in the panel. Individual atoms
- can also be replaced by symbol strings containing more than one atom.
- The string is automatically positioned away from the adjacent atoms.
- The automatic placement can be overriden as required. Symbol strings
- can be placed in the work area without replacing an existing atom.
- Click twice in the work area to desposit the string at the second click.
- Symbol-string substituents can be attached to an existing structure
- with a single bond in one step by accessing an atom and then dragging
- the mouse. The font, size, or style is set for chemical symbol strings
- with a palette tool.
-
- Straight Arrows
-
- The palettes contain several tools for drawing straight arrows.
- Straight arrows are created and modified by using operations identical
- to those for bonds.
-
- Circles, Ovals, Arcs, and Arcs with Arrows at the Endpoints
-
- A tool in the main palette, represented by a curved arrow and circle,
- is used to draw circles, ovals, arcs, and arcs with arrows at the ends.
- A complementary tool is used to create dashed versions of the same
- objects. Drag the mouse in the work area to draw a circle. Dragging
- in the horizontal direction changes the size. The constraint forcing
- the object to be a circle rather than an oval is released by holding the
- shift key down. When the mouse button is released, handles are drawn
- at the corners. These handles indicate that the object can be deleted,
- repositioned, resized, or changed to a different object. An active
- object can be deleted with the backspace key. An object is
- repositioned by dragging it. An object is resized by dragging a corner.
- An arc is an extension of a circle or an oval. An active circle or oval is
- changed to an arc by dragging the mouse in the work area. Arrows are
- added or removed at the endpoints of an arc with just a click at an
- endpoint. The tool also has a feature for creating arrows which move
- electrons between bonds of the same atom.
-
- Other Objects
-
- Large brackets for enclosing repeating groups are created with a tool
- by dragging the mouse. A dot for representing stereochemistry is
- placed on atoms with a click by using a tool. Dots are removed with
- a second click. The text palette tool represented by a “T” is used to
- create and edit blocks of text. The tool uses conventional Macintosh
- text editing features. ChemIntosh DA accepts “pictures” created with
- MacDraw, MacDraft, SuperPaint, and other applications by using the
- paste command in the edit menu.
-
- The Selection Tool
-
- The selection tool, represented by an arrow icon, functions in a manner
- similar to the selection tool in MacDraw. Objects are selected with a
- click. The selection is extended with a shift-click. Several nearby
- objects can be selected at once with the selection rectangle.
-
- One or more selected objects can be repositioned by pressing the
- mouse within the rectangle framed by the handles for an object and
- dragging the framed outline of the objects. The selected objects are
- duplicated and repositioned by holding the option key down when the
- mouse button is released at the end of the drag.
-
- One or more selected objects can be resized by pressing the mouse
- within a handle for an object and dragging the framed outline of the
- objects to resize them. The selected objects are duplicated and
- resized by holding the option key down when the mouse button is
- released.
-
- The selection tool has a few other uses. The font characteristics for
- a selected text block are changed by selecting a new font, style, or
- size with the font tool, representing by an “F”. Selected objects can
- be copied to the clipboard with the cut or copy commands in the edit
- menu.
-
- Deleting Objects
-
- The backspace key and the clear command in the edit menu delete
- selected objects. Objects can also be deleted with a single click by
- using the eraser tool. Atoms are deleted by clicking within the hit
- box. The adjacent bonds are deleted in the same step. Bonds are
- deleted by clicking within their hit box too.
-
- Page Layout
-
- Three tools are helpful for page layout. Clicking the alignment tool
- displays a dialog box to choose how to align previously selected
- objects. If the option key is down when the icon is clicked, the
- previously selected alignment option is used to align the objects.
- To determine your position within the document, click the ruler icon in
- the caps-lock-down palette. Click the highlighted icon to remove the
- rulers. The show-full-page palette item is useful for positioning
- objects within the document too. When the icon is clicked, the work
- area is moved to the right and a view of the entire document is
- depicted on the left. Click the highlighted icon to remove the full-page
- view.
-
- Printing
-
- Documents can be printed on either ImageWriter or LaserWriter
- printers.
-
- Saving and Opening Documents
-
- A document is saved by clicking the save icon, represented by an
- arrow pointing into the disk. The document is saved under a new name
- by clicking the icon with the option key down. A document is opened
- by clicking the open icon, represented by an arrow pointing out of
- the disk.
-
- ©1987 SoftShell Company. All rights reserved. ChemIntosh and
- ChemPanion are trademarks of SoftShell Company. Macintosh is a
- trademark of McIntosh Laboratory, Inc., licensed to Apple Computer,
- Inc., and is used with express permission of its owner. MacDraw,
- ImageWriter, and LaserWriter are registered trademarks of Apple
- Computer, Inc.
-