[Blindtlk] Use of the SVGDraw01 drawing program in STEM courses
T. Joseph Carter
tjcarter at spiritsubstance.com
Tue Sep 20 21:22:39 UTC 2011
I use a Mac. It has a built-in screen reader that costs nothing.
A Java application should run on the Mac with little or no change
(though with no changes it's likely to feel a bit foreign to Mac
users for a variety of small, fixable reasons). And any standard
Java controls will be accessible to VoiceOver. So it's quite
possible that this app works already—I'll have to check it out in the
next few days—my plate's a bit full right now.
Joseph
On Mon, Sep 19, 2011 at 04:38:54PM -0400, Chris Nusbaum wrote:
>Hi Joseph,
>
>Well, would it only work with JAWS? I didn't see that in the email.
>What screen reader are you using?
>
>Chris Nusbaum
>
>"The real problem of blindness is not the loss of eyesight. The real
>problem is the misunderstanding and lack of education that exists.
>If a blind person has the proper training and opportunity, blindness
>can be reduced to a mere physical nuisance." -- Kenneth Jernigan
>(President of the National Federation of the Blind, 1968-1986.)
>
> Visit the I C.A.N. Foundation online at: www.icanfoundation.info
>for
>information on our foundation and how it helps blind and visually
>impaired children in MD say "I can!"
>
>
>Sent from my BrailleNote
>
>----- Original Message -----
>From: "T. Joseph Carter" <tjcarter at spiritsubstance.com
>To: Blind Talk Mailing List <blindtlk at nfbnet.org
>Date sent: Sun, 18 Sep 2011 22:27:29 -0700
>Subject: Re: [Blindtlk] Use of the SVGDraw01 drawing program in STEM
>courses
>
>Didn't I say on this very list, not so terribly long ago, that SVG
>could allow a blind person to design graphics if only someone would
>write the software to let them easily define them?
>
>I probably can't be much help testing it out, since my computers are
>fruit-flavored and it'll be a cold day someplace generally not cold
>before I even consider paying $1200+ for JAWS!
>
>Still, I'm pretty excited by Dick Baldwin's efforts which surely
>must've preceded my comments by many months.
>
>Joseph
>
>
>On Sun, Sep 18, 2011 at 10:01:41PM -0500, David Andrews wrote:
>
>From: Richard Baldwin <baldwin at dickbaldwin.com
>Date: Sat, 17 Sep 2011 16:29:46 -0500
>To: BlindMath Mailing List <blindmath at nfbnet.org
>Subject: [Blindmath] Use of the SVGDraw01 drawing program in STEM
>courses
>
>This message is intended mainly for teachers of blind or visually
>impaired
>students in STEM courses. Of course, this is a public forum and
>everyone is
>welcome to read the message and provide comments as appropriate.
>
>Having been the sighted teacher of a blind student for several years,
>I
>firmly believe that making it possible for blind and visually
>impaired
>people, and particularly blind and visually impaired students in STEM
>courses, to communicate using accurate printed and tactile graphics
>will
>improve the quality of life and the likelihood of academic success
>for those
>students.
>
>I have written a computer program that makes it possible, for the
>first time
>in history, for blind and visually impaired people to create such
>graphics
>in an accessible and user-friendly way.
>
>Version 0.0.8 of my drawing program for blind students is now posted
>and
>available for free and immediate download at:
>
>http://www.austincc.edu/baldwin/SWT-SVG/SVGDraw01.zip
>
>Three components are necessary to accomplish the goal of widespread
>graphics
>communication among blind and visually impaired students and their
>teachers:
>
> - Availability of a robust and universally accepted graphics
>standard.
> - Availability of a robust, accessible, and user-friendly drawing
>program
> that allows blind people to take advantage of the SVG standard.
> - Availability of high-quality, economical, and readily available
> graphics embossing equipment.
>
>A robust graphics standard - SVG
>
>A robust and universally accepted graphics standard is already
>available in
>the form of Scalable Vector Graphics (SVG). See Scalable Vector
>Graphics
>(SVG) 1.1 (Second Edition) <http://www.w3.org/TR/SVG/
>An accessible and user-friendly drawing program - SVGDraw01
>
>I have written and provided, free of charge, a drawing program that
>blind
>and visually impaired people can use to draw pictures. To the best
>of my
>knowledge, no other existing program provides that capability. (If
>such a
>program exists, it is a well-kept secret.) Thus, for the first time
>in
>history, your students can express themselves using graphics.
>
>While many drawing programs exist, they are written for use by
>sighted
>people and not for use by blind people. My program is designed and
>written
>specifically for use by blind and visually impaired people.
>
>Even though my program is still under development, it already
>provides the
>capability for STEM students to create graphics that mirror many of
>the
>figures and diagrams typically found in STEM textbooks.
>A graph board on steroids
>
>As a teacher of blind or visually impaired students, you might think
>of this
>program as bringing the old-fashioned graph board into the computer
>age.
>Students and others using this program can create both printed and
>tactile
>graphics using many of the same thought processes that they would use
>when
>constructing a "drawing" on a graph board using pushpins, rubber
>bands, a
>protractor, and a measuring stick.
>
>For example, one student might use this program to create and send an
>SVG
>file to a friend with the message "Take a look at the cool floor plan
>of my
>new apartment."
>
>Another student might use this program to create and send an SVG file
>to a
>college professor with the message "This is a free body diagram
>showing the
>magnitude and directions of forces F21 and F23 caused by the
>interactions
>among charges q1, q2, and q3."
>Getting an immediate visual output
>
>I will be adding new capabilities over time. However, I probably
>won't add
>capabilities that would not be useful to blind and visually impaired
>users.
>For example, the program does not, by default, produce an immediate
>visual
>output. The primary output is intended to be a printer, a graphics
>embosser,
>or both. But, if you are sighted, or if you are blind and using the
>vOICe
>sonification software to view the progress of your drawing, you can
>use a
>procedure described in the attached file to view your drawing as it
>progresses.
>High-quality, economical, and readily-available graphics embossing
>equipment
>
>This is the area where we fall short relative to achieving our
>widespread
>graphics communications goal. Although high-quality embossing
>equipment is
>available in the marketplace, it is not economical (by computer
>standards)
>nor is it readily available for the personal use of most blind
>students.
>
>I view this as a supply and demand problem. Prior to the release of
>my
>program, there were no robust, accessible, and user-friendly tools
>that made
>it possible for blind people to create accurate graphics for use
>with a
>high-quality embosser. Thus, the demand for such embossing equipment
>has
>been very limited. My hope is that by making it possible for all
>blind
>people to create accurate graphics, the demand for such embossing
>equipment
>will go up and the costs for the equipment will come down.
>
>Even today, however, many schools, colleges, and other organizations
>own
>high-quality graphics embossing equipment that they can make
>available to
>their blind and visually impaired clientele on some basis. In those
>cases,
>there is no reason for blind people to hold back from learning to
>communicate using graphics.
>
>My drawing program is freely available for you and your students to
>use. As
>a teacher, it is up to you to connect your blind and visually
>impaired
>students to those available hardware embossing resources.
>
>The attached HTML file is the User-Instruction file for my drawing
>program
>named SVGDraw01.
>
>Richard Baldwin
>Professor of Computer Information Technology
>Austin Community College
>baldwin at austincc.edu
>http://www.austincc.edu/baldwin/
>
>Content-Type: text/html; charset=US-ASCII; name="Instructions.htm"
>Content-Disposition: attachment; filename="Instructions.htm"
>X-Attachment-Id: f_gsp41hv40
>
> Brief instructions for using the program named SVGDraw01
>
> Updated 09/17/11
>
> At any time, you can tab down to the button labeled "Press this
>button to
> return to the Action List," and use that button to abandon this
> Instructional document and return to the Action List. Do not press
>the Esc
> key.
>
>Index
>
> * [1]Purpose
>
> * [2]A robust graphics standard - SVG
> * [3]An accessible and user-friendly drawing program
>SVGDraw01
> * [4]High-quality, economical, and readily-available
>graphics
> embossing equipment
>
> * [5]A note about drawing orientation
> * [6]Program startup
> * [7]General user instructions
>
> * [8]Selecting actions from the Action List
> * [9]Performing the action
> * [10]Pressing the Esc key
> * [11]Text field objects
> * [12]Checkbox objects
> * [13]Button objects
> * [14]Message box objects
> * [15]Polylines, polygons, and paths
> * [16]The name and path of the output file
> * [17]Rotation, translation, and scaling
> * [18]A note about page size
>
> * [19]Action items
>
> * [20]User instructions
> * [21]Open existing drawing
> * [22]Start a new drawing
> * [23]Draw a line
> * [24]Draw a rectangle
> * [25]Draw a circle
> * [26]Draw an ellipse
> * [27]Draw a polyline, a polygon, or a path
>
> * [28]A csv file
> * [29]A path file
> * [30]Sample files
>
> * [31]Draw line of text
> * [32]Rotate shapes
> * [33]Translate shapes
> * [34]Scale shapes
> * [35]Delete shapes
> * [36]Stop program
> * [37]Write drawing file
>
> * [38]Please provide feedback
>
>Purpose
>
> Select [39]A note about drawing orientation to skip this section
>and go
> directly to the next major section.
>
> I firmly believe that making it possible for blind and visually
>impaired
> people, and particularly blind and visually impaired students in
>Science,
> Technology, Engineering, and Mathematics (STEM) to communicate
>using
> accurate printed and tactile graphics will improve the quality of
>life for
> those people. The purpose of this program is to make it possible
>for blind
> and visually impaired people to create such graphics in an
>accessible and
> user-friendly way.
>
> Three components are necessary to accomplish that [40]goal:
>
> * Availability of a robust and universally accepted [41]graphics
> standard.
> * Availability of an accessible and user-friendly [42]drawing
>program
> that allows blind people to take advantage of that standard.
> * Availability of high-quality, economical, and readily available
> graphics [43]embossing equipment.
>
> A robust graphics standard - SVG
>
> A robust and universally accepted graphics standard is already
>available
> in the form of Scalable Vector Graphics (SVG). See [44]Scalable
>Vector
> Graphics (SVG) 1.1 (Second Edition)
>
> An accessible and user-friendly drawing program - SVGDraw01
>
> This program is my attempt to provide, free of charge, a drawing
>program
> that makes it possible for blind and visually impaired people to
>take
> advantage of many of the capabilities of SVG. Even though the
>program is
> still under development, it already makes it possible for STEM
>students to
> create graphics that mirror many of the figures and diagrams
>typically
> found in STEM textbooks.
>
> A graph board on steroids
>
> One might think of this program as bringing the old-fashioned graph
>board
> that uses pushpins and rubber bands to convey graphic information
>into the
> computer age. Students and others using this program can create
>both
> printed and tactile graphics using much the same thought processes
>that
> they would use when constructing a "drawing" on a graph board using
> pushpins, rubber bands, a protractor, and a measuring stick.
>
> For example, one person might use this program to create and send
>an SVG
> file to a friend with the message "Take a look at the cool floor
>plan of
> my new apartment."
>
> Another person might use this program to create and send an SVG
>file to a
> college professor with the message "This is a free body diagram
>showing
> the magnitude and directions of forces F21 and F23 caused by the
> interactions among charges q1, q2, and q3."
>
> Getting an immediate visual output
>
> I will be adding new capabilities over time. However, I probably
>won't add
> capabilities that would not be useful to blind users. For example,
>the
> program does not, by default, produce a visual output. But, if you
>are
> sighted, or if you are a blind user using the vOICe sonification
>software
> to view the progress of your drawing, you can use the following
>procedure
> to create a visual output.
>
> Start the program and select the following two actions in sequence
>in the
> Action List:
>
> 1. "Start a new drawing"
> 2. "Write drawing file"
>
> Provide the requested information for both actions including the
>path and
> file name for the output SVG file.
>
> Then open the output SVG file in Firefox or IE9 (earlier versions
>of IE
> won't work) . You should see an empty drawing in the browser
>window.
>
> Return to the Action List and start drawing shapes. Each time you
>want to
> see an updated drawing, select and process "Write drawing file" and
>then
> refresh your browser. Your updated drawing should appear in the
>browser
> window. You should be able to continue adding shapes and viewing
>them so
> long as you don't select "Open existing drawing" or "Start a new
>drawing."
>
> High-quality, economical, and readily-available graphics embossing
>equipment
>
> This is the area where we fall short relative to achieving the
> [45]communications goal. Although high-quality embossing equipment
>is
> available, it is neither economical nor readily available for the
>majority
> of blind people.
>
> I view this as something of a supply and demand problem. Prior to
>the
> release of the developmental versions of this program, to the best
>of my
> knowledge, there have been no readily-available tools that make it
> possible for blind people to create accurate graphics for use with
>a
> high-quality embosser. Thus, the demand for such equipment has
>been very
> limited. My hope is that by making it possible for all blind
>people to
> create accurate graphics, the demand for such equipment will go up
>and the
> costs for the equipment will come down.
>
> Even today, however, many schools, colleges, and other
>organizations own
> high-quality graphics embossing equipment that they can make
>available to
> their clientele on some basis. In those cases, there is no reason
>for
> blind people to hold back from learning to communicate using
>accurate
> graphics.
>
>A note about drawing orientation
>
> In most STEM courses , you typically learn to draw graphs and other
> diagrams with the 0,0 origin in the lower-left corner of the
>drawing.
> Positive values along the y-axis go up the page and positive values
>along
> the x-axis go to the right.
>
> Unfortunately, in SVG, and most other computer graphics programming
> systems, the situation is reversed insofar as the y-axis is
>concerned. In
> SVG, and in this program as well, the 0,0 origin is at the top-left
>corner
> of the drawing and positive values along the y-axis go down the
>page.
>
> This not only has an impact on the physical locations of shape
>objects in
> your drawings, it also has an impact on the orientation of those
>objects.
> for example, this causes the reference corner for a rectangle to be
>the
> upper-left corner. It causes the location of the y-coordinate
>values for
> all shapes to be measured down from the top of the drawing instead
>of up
> from the bottom of the drawing.
>
> Note, however, that it does not change the fact that the reference
> location for a line of text is at the lower-left corner of the
>first
> character in the line.
>
> At some point, I may attempt to correct this issue arithmetically.
>In the
> meantime, however, you will simply need to get used to an
>upside-down
> coordinate system, and unfortunately, you may need to refer your
>teacher
> or professor to this section in this document.
>
>Program startup
>
> When the program starts, you will land in an Action List that
>provides the
> following actions:
>
> * [46]User instructions - opens this HTML file containing
>instructions
> in a browser window.
> * [47]Open existing drawing - opens a drawing file that was
>previously
> created and saved using SVGDraw01.
> * [48]Start a new drawing - starts fresh and creates a new
>drawing.
> * [49]Draw a line - draw a straight line segment between two
>specified
> points.
> * [50]Draw a rectangle - draw a rectangle at a specified location
>with a
> specified width and height.
> * [51]Draw a circle - draw a circle at a specified location with
>a
> specified radius.
> * [52]Draw an ellipse - draw an ellipse at a specified location
>with
> specified width and height.
> * [53]Draw a polyline, a polygon, or a path - draw a polyline, a
> polygon, or a path based on csv data or path data that is
>imported
> into the program.
> * [54]Draw a line of text - draw a line of text at a specified
>location
> with a specified point size and other parameters as well.
> * [55]Rotate shapes - rotate any one or more shapes by a
>specified angle
> in degrees clockwise around a specified center of rotation.
>See
> [56]Rotation, translation, and scaling below for cautions
>regarding
> the use of this action.
> * [57]Translate shapes - translate any one or more shapes by a
>specified
> distance along both the x-axis and the y-axis. See
>[58]Rotation,
> translation, and scaling below.
> * [59]Scale shapes - Multiply the coordinate values that make up
>one or
> more shapes by a scale factor to enlarge or shrink the shape.
>See
> [60]Rotation, translation, and scaling below.
> * [61]Delete shapes - delete one or more shapes from the current
> drawing.
> * [62]Stop program - just what it says. Be sure to write your
>drawing
> into an output file before selecting this action.
> * [63]Write drawing file - write the current drawing into an SVG
>file.
>
> The first action that you select should be "User Instructions",
>"Open
> existing drawing", or "Start a new drawing." You should always
>select
> either "Open existing drawing" or "Start a new drawing" and provide
>the
> requested information before selecting any of the actions below
>those two
> with the possible exception of the action titled "Stop program."
>
>General user instructions
>
> If you are reading this document from inside the program, you must
>have
> already opened this HTML document in an SWT browser widget. If so,
>keep
> reading.
>
> On the other hand, you may also have opened this document in a
>standard
> browser without running the program named SVGDraw01. If so, keep
>reading.
>
> Selecting actions from the Action List
>
> With the exception of the action named "Stop program", when you
>select an
> item in the Action List and press the Enter key, an action page
>will open
> containing labels, text fields, check boxes, radio buttons, push
>buttons,
> and other Graphical User Input (GUI) objects. That action page
>will
> enable you to provide the information needed and to perform the
>steps
> necessary to execute that action.
>
> Navigate down through those GUI objects with the tab key. Navigate
>up
> through the objects with the shift-tab key combination.
>
> Navigate through radio buttons and the items in lists using the
>arrow
> keys. Press the tab key to escape from a set of radio buttons or
>from a
> list without making a selection.
>
> Performing the action
>
> With the exception of the action labeled "Stop the program," there
>is a
> button on each Action Page that you must press to cause the action
>to be
> performed. If you tab past that button and return to the Action
>List, the
> selected action will not have been performed.
>
> Pressing the Esc key
>
> If you press the Esc key when any read/write object on any page has
>the
> focus, the current action will be abandoned and focus will return
>to the
> Action List where you can select another action.
>
> This html viewer is a read-only object and does not behave well if
>you
> press the Esc key. If you do accidentally press the Esc key while
>reading
> this document, use the tab key to work your way back to the Action
>List.
>
> A few of the other objects are read-only objects and do not respond
>at all
> to the Esc key. They only respond to the tab key.
>
> Text field objects
>
> Press the tab key to accept the default value in a text field. To
>change
> the value in the field, type the new value and press the tab key.
> Normally, it should not be necessary for you to delete the current
> contents of a text field in order to change it. However, you may
>find
> situations where it is necessary for you to delete the current
>contents so
> be on the lookout for those situations.
>
> Checkbox objects
>
> You must press the space bar to check or uncheck a check box. (The
>Enter
> key won't do the job.)
>
> Button objects
>
> You can press either the space bar or the Enter key to activate a
>button
> when it has the focus.
>
> Message box objects
>
> A message box will appear to announce the completion of those
>actions
> where completion is not obvious such as writing the output file,
>for
> example.
>
> Most errors will also result in the appearance of a message box.
>In most
> cases, you can press either the space bar or the Enter key to
>dismiss a
> message box. However, in some cases you must select one of two
>buttons
> labeled Yes and No.
>
> If you discover errors that do not result in a message box, please
>let me
> know.
>
> Polylines, polygons, and paths
>
> The polyline, the polygon, and the path are by far the most
>versatile
> shapes that you can draw with this program. For example, if you
>need to
> plot a function such as y = x^2, the polyline shape or the path
>shape are
> probably your best choices.
>
> I will explain how to draw these three types of shapes in more
>detail
> [64]later.
>
> The name and path of the output file
>
> When you select "Write Drawing File" in the Action List, you will
>be
> prompted to enter a file name for the output file. If you are
>running the
> program from an executable jar file, you should provide both a path
>and a
> file name, or you probably won't be able to find your output file
>on your
> disk.
>
> Rotation, translation, and scaling
>
> These three features, which fall in the general category of SVG
> transforms, are relatively easy to use as long as you don't combine
>them
> on a single shape. However, once you combine them, the topic of
>SVG
> transforms becomes an advanced topic and will probably require
>outside
> study on your part for proper use.
>
> Among other things, when you apply a combination of rotation,
>translation,
> and/or scaling transforms, the order in which you perform the
>operations
> is critically important to the outcome. A good understanding of
>the use of
> transforms in SVG is needed in order to understand those outcomes.
>
> A note about page size
>
> Your printer is probably not capable of printing from the extreme
>left
> edge to the extreme right edge, or from the extreme top edge to the
> extreme bottom edge of the largest paper size that it is advertised
>to
> accommodate. For example my HP Deskjet 6940 printer advertises
>"Borderless
> Printing up to 8.5 x 24 in." However, the largest rectangle that it
>will
> actually print is 8.14 x 10.63 inches on a sheet of paper that is
>8.5
> inches wide and 11 inches high. Therefore, you should probably
>allow for
> some loss of print width and print height on the right side and the
>bottom
> of the page.
>
> If you plan to emboss your drawing on a tactile graphics embosser,
>you may
> also need to purposely leave a margin on both sides of your drawing
>to
> accommodate the width of the mechanical embossing mechanism. Check
>the
> specifications of the embosser that you plan to use to determine
>what
> those margins need to be..
>
>Action items
>
> As mentioned earlier, when you first start the program you will
>land in an
> [65]Action List that allows you to select and perform any one of
>more than
> one dozen different drawing actions. I will discuss each of those
>actions
> in this section so that you will know what to expect when you
>select one
> of them.
>
> User instructions
>
> If you select "User instructions" in the Action List and press the
>Enter
> key, you will land on a page containing a button labeled "Press
>this
> button to open instructions in a browser." When you press that
>button,
> this HTML document will open in a separate browser window. Note
>that the
> browser window is an SWT Widget, and may appear to be different in
>some
> respects from your standard browser. However, you should be able
>to
> navigate and read the document just like you would read any other
>HTML
> document in a browser window.
>
> When you get to the end of the document, pressing the tab key will
>land
> you on a button labeled "Press this button to return to the Action
>List."
> As the name implies, pressing the button will cause the browser
>window to
> close and focus will return to the Action List where you can make
>another
> selection.
>
> Almost every page has an "Action" button near the end. If you
>simply tab
> past that button and don't press it, focus will return to the
>Action List
> and the action will not be performed
>
> Open existing drawing
>
> Selecting this Action and pressing the Enter key will land you on a
>page
> from which you can open a previously-saved drawing file that was
>created
> using this program.
>
> (SVG drawing files created using other program may or may not work,
>so
> don't be surprised if you open a drawing file that was created
>using a
> different program and you experience errors.)
>
> Be aware that any work that you may have been doing on a new
>drawing will
> be lost unless you save that work by selecting [66]Write drawing
>file
> before executing this action.
>
> The Action page for this Action is relatively simple. You will be
> presented with a text field and asked to "Enter name and path of
>drawing
> file to open." The existing drawing will have an extension of .svg.
>Once
> you have entered the requested information, press the tab key and
>you will
> land on a button labeled "Press to open drawing file."
>
> Pressing that button will cause a Message Box to pop up containing
> information about the search for the existing drawing file. Press
>the OK
> button on that Message Box and the search will begin. You may have
>to be
> very patient at this point. Sometimes it takes a quite a while on
>my
> computer for the program to find and open the existing drawing
>file.
>
> If the file is not found, a Message Box will pop up with that
>information.
> Press OK to dismiss the Message Box and focus will return to the
>Action
> List.
>
> If the file is found and opened, a Message Box will pop up with
>that
> information as well. When you press the OK button on that Message
>Box,
> focus will return to the Action List.
>
> Start a new drawing
>
> Select this action to start a new drawing. When you select this
>action and
> press the Enter key, you will land on a page from which you can
>provide
> the information required for a new drawing.
>
> The first two text fields allow you to enter a title and a
>description for
> your new drawing. If you simply tab past those two fields, a
>default title
> and a default description will be recorded for your new drawing.
>
> You will be asked to enter the width and height in inches of your
>new
> drawing in the next two text fields. If you simply tab past those
>two
> fields, default values will be assigned for width and height.
>
> A very important point
>
> This is where I need to explain a very important point. You
>specify the
> width and height of your new drawing in inches, such as 8.5 inches
>and 11
> inches. However, just enter the numbers. Don't enter the units.
>The units
> of inches are understood by the program.
>
> After you establish the width and height of your new drawing in
>inches by
> executing this action, you will be asked later to provide
>coordinate
> and/or dimensional information for many other actions. In those
>cases, you
> will provide the information in units of 0.01 inch, or 100 units
>per inch.
> For example, if you later decide to draw a rectangle that is 8.5
>inches
> wide and 11 inches high, you will specify the width as 850 and you
>will
> specify the height as 1100.
>
> The Action button
>
> Like most other Action pages, this page has an Action button near
>the end
> that is labeled "Press to start drawing." When you press that
>button, a
> Message Box will pop up to acknowledge that the new drawing is
>started.
> Pressing the OK button on the Message Box will return the focus to
>the
> Action List.
>
> Draw a line
>
> Selecting this action and pressing the Enter key will land you on a
>page
> from which you can draw a line segment between any two points in
>your
> drawing.
>
> The title and description fields
>
> On this page, as on may other pages, the first two fields allow you
>to
> enter a title and description for the line object. If you tab
>through
> these two fields, a default title and a default description will be
> assigned to the object. Because this is essentially the same on
>all pages,
> I won't mention it with respect to Action pages that I discuss in
>the
> remaining sections of this document.
>
> Coordinate-value fields
>
> You will be asked to enter the x and y coordinate values for one
>end of
> the line in the next two fields. As usual, the fields already
>contain
> default values that you can accept by simply tabbing through the
>fields.
>
> You will then be asked to enter the x and y coordinate values for
>the
> other end of the line in the next two fields.
>
> Stroke width and opacity
>
> You will be asked to enter the stroke width and opacity in the next
>two
> fields. You will encounter these same two fields on many action
>pages and
> the meaning will always be the same. Therefore, I will explain the
>meaning
> here and then ignore it for the remainder of this document.
>
> The stroke width
>
> The stroke width is the width or thickness of the line that will be
>drawn.
> If you are planning to emboss the drawing, the stroke width should
> probably be at least as wide as the distance between two dots on
>the
> embosser. If the embosser supports 20 dots per inch, the stroke
>width
> should probably be at least 5, which represents 0.05 inch or the
>distance
> between the dots on a 20 dot per inch embosser.
>
> If the embosser supports 16 dots per inch, the stroke width should
> probably be at least 6.25, which represents 0.0625 inch or the
>distance
> between the dots at 16 dots per inch.
>
> You may find that those values aren't sufficient to provide
>high-quality
> embossing and you may may need to make the stroke width even wider
>than
> the values suggested above.
>
> The opacity
>
> If we were talking about color, opacity would be a complicated
>topic.
> However, since we are only talking about white, black, and gray,
>the
> concept of opacity is fairly simple.
>
> You will be asked to enter a value between 0 and 1 for the stroke
>opacity.
> The line will be drawn pure black for a value of 1.
>
> The line will essentially not be drawn and therefore will be
>invisible for
> a value of 0.
>
> The line will be drawn with a shade of gray that is half way
>between
> between white and black for a value of 0.5.
>
> The greater the opacity value, the darker will be the line. The
>smaller
> the opacity value, the lighter will be the line.
>
> On an embosser with variable dot height, a value of 1 will produce
>dots
> with the maximum height. For lower stroke opacity values, the
>height of
> the dots will be lower.
>
> (Also see [67]The fill checkbox and fill opacity later.)
>
> Draw a rectangle
>
> Selecting this action and pressing the Enter key will land you on a
>page
> from which you can draw a rectangle whose sides are parallel to the
> horizontal and vertical axes. If you need a rectangle whose sides
>are not
> parallel to the horizontal and vertical axes, you can draw it with
>this
> action and then [68]rotate it later or draw it as a [69]polygon or
>as a
> [70]path.
>
> Using this action, you specify the x and y coordinates of the
>upper-left
> corner of the rectangle and the width and the height of the
>rectangle. As
> before, you also specify the stroke width and the stroke opacity.
>
> The fill checkbox and fill opacity
>
> This action, along with several of the other actions to be
>discussed
> later, introduces a new parameter - fill. I will explain it here
>and then
> ignore it when discussing actions in subsequent sections.
>
> Because this is a closed geometric shape, you can cause it to be
>filled
> with a color ranging from black through gray to white.
>
> Before you reach the action button while navigating down this
>action page,
> you will come to a checkbox labeled "Check this box for black
>fill." You
> can check (and uncheck) the box by pressing the space bar while the
> checkbox has the focus.
>
> If you check the box, a new text field will be exposed between the
> checkbox and the action button. You will be asked to "Enter value
>between
> 0 and 1 for fill opacity." Opacity has the same meaning here that
>it has
> for stroke opacity discussed earlier, except that this time it
>doesn't
> simply apply to a line. Rather, it applies to an entire area
>defined by a
> line.
>
> A word of caution is in order here. I have been told that if you
>plan to
> emboss your graphic using an embosser with variable dot height, you
>should
> avoid filling large areas with large opacity values. I have been
>told that
> this can cause undesirable paper buckling when the embosser
>attempts to
> emboss a large area with high dots. It was suggested that low
>opacity
> values should be used when filling.
>
> The Action button for the rectangle
>
> Finally, you will come to an action button labeled "Press to draw
> rectangle." As usual, pressing the button will cause the rectangle
>object
> to become a part of your drawing and focus will return to the
>Action List.
>
> Draw a circle
>
> Selecting this action and pressing the Enter key will land you on a
>page
> from which you can draw a circle at a given location with a given
>radius.
>
> You won't find anything new on this page. You will be asked to
>enter the x
> and y coordinates for the circle along with the radius of the
>circle.
>
> Draw an ellipse
>
> Selecting this action and pressing the Enter key will land you on a
>page
> from which you can draw an ellipse at a given location with a given
>radius
> along the horizontal axis and a different radius along the vertical
>axis.
> As with the rectangle, you may need to [71]rotate the shape later
>if the
> default orientation is not what you need.
>
> In case you aren't familiar with this shape, an ellipse is like a
>squashed
> circle. It is a smooth closed shape, but its radius may be larger
>along
> one axis than it is along the other axis.
>
> Once again, you won't find anything new on this action page. This
>page is
> much like the page for drawing a circle except that on this page,
>you will
> be asked to provide both a horizontal radius and a vertical radius.
>If you
> enter the same value for both of the radii, you will end up with a
>circle.
>
> Draw a polyline, a polygon, or a path
>
> Selecting this action and pressing the Enter key will land you on a
>page
> from which you can draw a polyline, a polygon, or a path.
>
> Polyline and polygon
>
> For either a polyline or a polygon, you provide the x and y
>coordinate
> values for a set of points. (I will provide and example later.)
>The points
> are connected by straight line segments in the order that you
>define the
> points. The only difference between the two is that when you draw
>a
> polygon, the last point is automatically connected to the first
>point
> creating a closed shape.
>
> A path
>
> A path is a different kind of animal altogether. It can be used to
>draw
> something as simple as a straight line segment, and can also be
>used to
> draw something as complex as a cubic Bezier curve or an elliptical
>arc.
>
> To use this feature of the program, you will probably need to first
>study
> SVG paths. The best material that I have found on the topic is a
>tutorial
> located at [72]https://developer.mozilla.org/en/SVG/Tutorial/Paths.
> Hopefully, it will be sufficiently accessible that you can read it.
>
> To draw a path, you provide a string of characters consisting of
>both SVG
> path commands and coordinate information. I will provide an
>example later.
>
> The action page
>
> The action page for this action is relatively straightforward. The
>first
> new thing on the page is a set of three radio buttons by which you
>specify
> that you want to draw one of the following three shapes:
>
> * Polyline
> * Polygon
> * Path
>
> Then you are asked to provide the name and path of a file to import
>that
> contains the information from which the shape will be drawn. When
>you
> enter that information and press the tab key, you land on a button
>labeled
> "Press this button to import data file."
>
> If you selected either the Polyline or the Polygon radio button,
>you will
> need to provide a [73]csv file containing the data. This file must
>have an
> extension of .csv or it will be rejected.
>
> If you selected the Path radio button, you will need to provide a
>[74]path
> file containing the data. This file must have an extension of .pth
>or it
> will be rejected.
>
> A csv file
>
> A csv file is a simple text file containing x,y coordinate value
>pairs
> with no spaces and with each value followed by a comma. You can
>put one or
> more values on each line so long as you are careful to follow each
>value
> with a comma. You can omit the comma at the end of the line if you
>wish.
> As mentioned above, the file must have an extension of .csv or it
>will be
> rejected.
>
> Here are the contents of a simple csv file that can be used to draw
>either
> a polyline or a polygon
>
>200,200
>600,200
>400,400
>
> If you were to use this data to draw a polyline, the program would
>draw
> two sides of a triangle. If you were to use it to draw a polygon,
>the
> program would draw all three sides of the same triangle.
>
> A path file
>
> A path file contains the actual SVG code for the path that you want
>to
> draw. For example, a file containing the following characters will
>cause a
> cubic Bezier curve to be drawn:
>
>M130 110 C 120 140, 180 140, 170 110
>
> You will find an explanation of this SVG code in the section on
>Bezier
> curves at [75]https://developer.mozilla.org/en/SVG/Tutorial/Paths.
>
> Sample files
>
> The executable jar file containing this program contains some
>sample csv
> files and some sample path files in a folder named Samples. You
>can
> extract those files using a program like WinZip and use them to
>experiment
> with the data import feature for drawing polylines, polygons, and
>paths.
>
> Many programs, including Microsoft Excel, produce csv files as a
>standard
> output. You can also create your own csv files using a text
>editor.
>
> I have never seen a program that produces path files as a standard
>output
> format. Therefore, if you use them, you will probably need to
>create them
> using a text editor. Although that may sound like a daunting task,
>you may
> find it worth your while because you can squeeze a lot of graphic
> information into a path file once you understand SVG paths.
>
> For example, assume that you frequently need to draw curves in a
>Cartesian
> coordinate system with an x-axis, a y-axis, and tic marks along
>each axis,
> or maybe you need to draw grid lines instead of tic marks. You
>could
> create a path file for that basic structure. Then whenever you
>need to
> draw a graph, you could begin by importing the path file for the
>axes and
> then draw your data points within those axes.
>
> Draw line of text
>
> Selecting this action and pressing the Enter key will land you on a
>page
> from which you can draw a single line of text at a given location
>with a
> given font face (such as Arial) and a given point size. You have
>three
> choices for the font style (normal, italic, or oblique). You also
>have
> four choices for the font weight (normal, bold, bolder, or
>lighter).
>
> If you have worked through the discussions of the action pages in
>the
> previous sections of this document, you shouldn't find anything new
>on
> this action page.
>
> The starting x and y coordinate values specify the location of the
> lower-left corner of a rectangle that fully encloses the first
>character
> in the line of text.
>
> A point size of 72 will probably produce an upper-case "T" that is
> approximately one-half inch from top to bottom on your printer.
>Other
> point sizes produce text that is proportionally larger or smaller.
>
> Rotate shapes
>
> The first few actions in the [76]Action List discussed earlier deal
>with
> getting instructions and either starting a new drawing or opening
>an
> existing drawing. After that, the next several actions in the
>[77]Action
> List, which were also discussed earlier, deal with drawing specific
>shapes
> such as lines, rectangles, circles, paths, etc.
>
> Beginning with this section, the next several actions in the
>[78]Action
> List deal with actions that you can perform on shapes that you have
> already drawn. The first of these actions is the "Rotate shapes"
>action.
>
> Selecting the "Rotate shapes" action and pressing the Enter key
>will land
> you on a page from which you can select one or more existing shapes
>and
> cause them to be rotated about a specific point by a specific angle
>in
> degrees clockwise. (Negative angles rotate counter-clockwise.)
>
> The action page
>
> The action page for this action is relatively straightforward.
>First you
> press a button labeled "Press to get list of shapes in your
>drawing" to
> populate a physical list with identifying information about each
>shape
> that you have thus far created in your drawing. You can navigate
>up and
> down that list using the arrow keys.
>
> Each shape in the list is identified as follows:
>
>Title {Description} [Unique identifier]
>
> The first two items in the identifying information are the title
>and
> description that you assigned to the shape when you created it, or
>a
> default title and description if you didn't enter a title or
>description.
>
> The third item is a unique identifier that was created by the
>program when
> the shape was created. This identifier can be used to
>differentiate among
> different shapes having the same titles and descriptions.
>
> Embedded instructions
>
> Instructions are embedded among the GUI components on many of the
>action
> pages. On this page, after you press the button to populate the
>list, you
> will see the following instructions:
>
> "When you press the tab key, you will land in a Combo List Box
>containing
> one item for each shape in your drawing. You can mark a shape for
>rotation
> by selecting the shape using the arrow keys and then pressing the
>'r' key.
> Press the tab key to move out of the Combo List Box."
>
> After using the arrow keys and the 'r' key to mark all of the
>shapes that
> you want to rotate around a common point, you can press the tab
>key, enter
> the coordinates of the common rotation point, and enter the
>rotation angle
> in degrees clockwise.
>
> Finally, you can press a button labeled "Press to rotate shapes" to
>cause
> the rotation to be performed. This is the point where your drawing
>is
> actually modified. If you tab past this button and return the
>focus to the
> Action List, your drawing will not have been modified.
>
> Before using the rotation feature, you should read the cautions in
>the
> [79]Rotation, translation, and scaling section.
>
> Translate shapes
>
> Selecting the "Translate shapes" action and pressing the Enter key
>will
> land you on a page from which you can select one or more existing
>shapes
> and cause them to be translated (moved) by specific distances along
>the
> horizontal and vertical axes.
>
> The procedure for performing this action is essentially the same as
>the
> procedure for rotating shapes. The differences are:
>
> * In this case, you specify translation distances instead of the
> rotation point and rotation angle required by rotation.
> * In this case, you mark the shapes that are to be translated
>using the
> 't' key instead of the 'r' key.
>
> If you understand how to rotate shapes, you should have no problem
>using
> this action to translate shapes.
>
> Once again, however, before using the translation feature, you
>should read
> the cautions in the [80]Rotation, translation, and scaling section.
>
> Scale shapes
>
> Selecting the "Scale shapes" action and pressing the Enter key will
>land
> you on a page from which you can select one or more existing shapes
>and
> cause them to be scaled (made larger or smaller) by applying
>specific
> multiplicative scale factors along the horizontal and vertical
>axes.
>
> The procedure for performing this action is essentially the same as
>the
> procedure for rotating shapes. The differences are:
>
> * In this case, you specify multiplicative scale factors instead
>of the
> rotation point and rotation angle required by rotation.
> * In this case, you mark the shapes that are to be scaled using
>the 's'
> key instead of the 'r' key.
>
> If you understand how to rotate shapes, you should have no problem
>using
> this action to scale shapes.
>
> Before using the scaling feature, you should read the cautions in
>the
> [81]Rotation, translation, and scaling section.
>
> Delete shapes
>
> Selecting the "Delete shapes" action and pressing the Enter key
>will land
> you on a page from which you can select one or more existing shapes
>and
> cause them to be deleted from your drawing.
>
> The procedure for deleting shapes is similar to but simpler than
>the
> procedure for rotating shapes. The differences are:
>
> * In this case, there are no coordinate values to be provided.
>Instead,
> you simply mark the shapes that are to be deleted and press the
>button
> labeled "Press to delete shapes."
> * In this case, you mark the shapes that are to be deleted by
>pressing
> the 'Delete' key. Note, however, that the shapes are not
>actually
> deleted from your drawing until you press the button labeled
>"Press to
> delete shapes" later. Once again, if you tab past that button
>and
> return the focus to the Action List, the shapes that you marked
>will
> not be deleted from your drawing.
>
> If you understand how to rotate shapes, you should have no problem
>using
> this action to delete shapes.
>
> Stop program
>
> As the name implies, selecting the "Stop program" action and
>pressing the
> Enter key will cause the program to be terminated. Make sure that
>you have
> performed the [82]Write drawing file action before performing this
>action
> if you want to save your drawing.
>
> Write drawing file
>
> Selecting this action and pressing the Enter key will land you on a
>page
> from which you can save your drawing with a specific file and path
>name.
> The extension .svg will be automatically appended to the file name
>that
> you specify so you should not include it when you enter the path
>and file
> name.
>
> Each time you perform this action, the current state of your
>drawing will
> be saved in the specified file. It might be a good idea to perform
>this
> action often while creating a drawing so that if you make a mistake
>(or
> you have a power failure), you can re-open the most recent good
>version of
> the drawing file.
>
>Please provide feedback
>
> Please let me know if you find errors in these instructions, or you
>find
> areas that deserve a more thorough explanation.
>
> I would also like to hear about it if there are features that you
>would
> like to see added to this program.
>
> Dick Baldwin
> baldwin at dickbaldwin.com
>
>References
>
> Visible links
> 1.
>file:///var/folders/PO/POq4Tg5bH%2byUDGqlRkdWZ%2b%2b%2b%2bTI/-Tmp
>-/Instructions.htm#Purpose
> 2.
>file:///var/folders/PO/POq4Tg5bH%2byUDGqlRkdWZ%2b%2b%2b%2bTI/-Tmp
>-/Instructions.htm#A_robust_graphics_standardSVG
> 3.
>file:///var/folders/PO/POq4Tg5bH%2byUDGqlRkdWZ%2b%2b%2b%2bTI/-Tmp
>-/Instructions.htm#An_accessible_and_userfriendly_drawing_program
> 4.
>file:///var/folders/PO/POq4Tg5bH%2byUDGqlRkdWZ%2b%2b%2b%2bTI/-Tmp
>-/Instructions.htm#High-quality,_economical,_and_readilyavailable
>_graphics_embossing_equipment
> 5.
>file:///var/folders/PO/POq4Tg5bH%2byUDGqlRkdWZ%2b%2b%2b%2bTI/-Tmp
>-/Instructions.htm#Orientation
> 6.
>file:///var/folders/PO/POq4Tg5bH%2byUDGqlRkdWZ%2b%2b%2b%2bTI/-Tmp
>-/Instructions.htm#Program_startup
> 7.
>file:///var/folders/PO/POq4Tg5bH%2byUDGqlRkdWZ%2b%2b%2b%2bTI/-Tmp
>-/Instructions.htm#User_instructions
> 8.
>file:///var/folders/PO/POq4Tg5bH%2byUDGqlRkdWZ%2b%2b%2b%2bTI/-Tmp
>-/Instructions.htm#Selecting_action_items
> 9.
>file:///var/folders/PO/POq4Tg5bH%2byUDGqlRkdWZ%2b%2b%2b%2bTI/-Tmp
>-/Instructions.htm#Performing_the_action
> 10.
>file:///var/folders/PO/POq4Tg5bH%2byUDGqlRkdWZ%2b%2b%2b%2bTI/-Tmp
>-/Instructions.htm#Pressing_the_Esc_key
> 11.
>file:///var/folders/PO/POq4Tg5bH%2byUDGqlRkdWZ%2b%2b%2b%2bTI/-Tmp
>-/Instructions.htm#Text_field_objects
> 12.
>file:///var/folders/PO/POq4Tg5bH%2byUDGqlRkdWZ%2b%2b%2b%2bTI/-Tmp
>-/Instructions.htm#Checkbox_objects
> 13.
>file:///var/folders/PO/POq4Tg5bH%2byUDGqlRkdWZ%2b%2b%2b%2bTI/-Tmp
>-/Instructions.htm#Button_objects
> 14.
>file:///var/folders/PO/POq4Tg5bH%2byUDGqlRkdWZ%2b%2b%2b%2bTI/-Tmp
>-/Instructions.htm#Message_box_objects
> 15.
>file:///var/folders/PO/POq4Tg5bH%2byUDGqlRkdWZ%2b%2b%2b%2bTI/-Tmp
>-/Instructions.htm#Polylines_and_polygons
> 16.
>file:///var/folders/PO/POq4Tg5bH%2byUDGqlRkdWZ%2b%2b%2b%2bTI/-Tmp
>-/Instructions.htm#The_name_and_path_of_the_output_file
> 17.
>file:///var/folders/PO/POq4Tg5bH%2byUDGqlRkdWZ%2b%2b%2b%2bTI/-Tmp
>-/Instructions.htm#Rotation_translation_and_scaling
> 18.
>file:///var/folders/PO/POq4Tg5bH%2byUDGqlRkdWZ%2b%2b%2b%2bTI/-Tmp
>-/Instructions.htm#A_note_about_page_size
> 19.
>file:///var/folders/PO/POq4Tg5bH%2byUDGqlRkdWZ%2b%2b%2b%2bTI/-Tmp
>-/Instructions.htm#Specific_user_instructions
> 20.
>file:///var/folders/PO/POq4Tg5bH%2byUDGqlRkdWZ%2b%2b%2b%2bTI/-Tmp
>-/Instructions.htm#userInstructions2
> 21.
>file:///var/folders/PO/POq4Tg5bH%2byUDGqlRkdWZ%2b%2b%2b%2bTI/-Tmp
>-/Instructions.htm#Open_existing_drawing
> 22.
>file:///var/folders/PO/POq4Tg5bH%2byUDGqlRkdWZ%2b%2b%2b%2bTI/-Tmp
>-/Instructions.htm#Start_a_new_drawing
> 23.
>file:///var/folders/PO/POq4Tg5bH%2byUDGqlRkdWZ%2b%2b%2b%2bTI/-Tmp
>-/Instructions.htm#Draw_a_line
> 24.
>file:///var/folders/PO/POq4Tg5bH%2byUDGqlRkdWZ%2b%2b%2b%2bTI/-Tmp
>-/Instructions.htm#Draw_a_rectangle
> 25.
>file:///var/folders/PO/POq4Tg5bH%2byUDGqlRkdWZ%2b%2b%2b%2bTI/-Tmp
>-/Instructions.htm#Draw_a_circle
> 26.
>file:///var/folders/PO/POq4Tg5bH%2byUDGqlRkdWZ%2b%2b%2b%2bTI/-Tmp
>-/Instructions.htm#Draw_an_ellipse
> 27.
>file:///var/folders/PO/POq4Tg5bH%2byUDGqlRkdWZ%2b%2b%2b%2bTI/-Tmp
>-/Instructions.htm#Draw_a_polyline,_a_polygon,_or_a_path
> 28.
>file:///var/folders/PO/POq4Tg5bH%2byUDGqlRkdWZ%2b%2b%2b%2bTI/-Tmp
>-/Instructions.htm#A_csv_file
> 29.
>file:///var/folders/PO/POq4Tg5bH%2byUDGqlRkdWZ%2b%2b%2b%2bTI/-Tmp
>-/Instructions.htm#A_path_file
> 30.
>file:///var/folders/PO/POq4Tg5bH%2byUDGqlRkdWZ%2b%2b%2b%2bTI/-Tmp
>-/Instructions.htm#Sample_csv_files
> 31.
>file:///var/folders/PO/POq4Tg5bH%2byUDGqlRkdWZ%2b%2b%2b%2bTI/-Tmp
>-/Instructions.htm#Draw_line_of_text
> 32.
>file:///var/folders/PO/POq4Tg5bH%2byUDGqlRkdWZ%2b%2b%2b%2bTI/-Tmp
>-/Instructions.htm#Rotate_shapes
> 33.
>file:///var/folders/PO/POq4Tg5bH%2byUDGqlRkdWZ%2b%2b%2b%2bTI/-Tmp
>-/Instructions.htm#Translate_shapes
> 34.
>file:///var/folders/PO/POq4Tg5bH%2byUDGqlRkdWZ%2b%2b%2b%2bTI/-Tmp
>-/Instructions.htm#Scale_shapes
> 35.
>file:///var/folders/PO/POq4Tg5bH%2byUDGqlRkdWZ%2b%2b%2b%2bTI/-Tmp
>-/Instructions.htm#Delete_shapes
> 36.
>file:///var/folders/PO/POq4Tg5bH%2byUDGqlRkdWZ%2b%2b%2b%2bTI/-Tmp
>-/Instructions.htm#Stop_program
> 37.
>file:///var/folders/PO/POq4Tg5bH%2byUDGqlRkdWZ%2b%2b%2b%2bTI/-Tmp
>-/Instructions.htm#Write_drawing_file
> 38.
>file:///var/folders/PO/POq4Tg5bH%2byUDGqlRkdWZ%2b%2b%2b%2bTI/-Tmp
>-/Instructions.htm#Please_provide_feedback
> 39.
>file:///var/folders/PO/POq4Tg5bH%2byUDGqlRkdWZ%2b%2b%2b%2bTI/-Tmp
>-/Instructions.htm#Orientation
> 40.
>file:///var/folders/PO/POq4Tg5bH%2byUDGqlRkdWZ%2b%2b%2b%2bTI/-Tmp
>-/Instructions.htm#to_communicate
> 41.
>file:///var/folders/PO/POq4Tg5bH%2byUDGqlRkdWZ%2b%2b%2b%2bTI/-Tmp
>-/Instructions.htm#A_robust_graphics_standardSVG
> 42.
>file:///var/folders/PO/POq4Tg5bH%2byUDGqlRkdWZ%2b%2b%2b%2bTI/-Tmp
>-/Instructions.htm#An_accessible_and_userfriendly_drawing_program
> 43.
>file:///var/folders/PO/POq4Tg5bH%2byUDGqlRkdWZ%2b%2b%2b%2bTI/-Tmp
>-/Instructions.htm#High-quality,_economical,_and_readilyavailable
>_graphics_embossing_equipment
> 44. http://www.w3.org/TR/SVG/
> 45.
>file:///var/folders/PO/POq4Tg5bH%2byUDGqlRkdWZ%2b%2b%2b%2bTI/-Tmp
>-/Instructions.htm#to_communicate
> 46.
>file:///var/folders/PO/POq4Tg5bH%2byUDGqlRkdWZ%2b%2b%2b%2bTI/-Tmp
>-/Instructions.htm#userInstructions2
> 47.
>file:///var/folders/PO/POq4Tg5bH%2byUDGqlRkdWZ%2b%2b%2b%2bTI/-Tmp
>-/Instructions.htm#Open_existing_drawing
> 48.
>file:///var/folders/PO/POq4Tg5bH%2byUDGqlRkdWZ%2b%2b%2b%2bTI/-Tmp
>-/Instructions.htm#Start_a_new_drawing
> 49.
>file:///var/folders/PO/POq4Tg5bH%2byUDGqlRkdWZ%2b%2b%2b%2bTI/-Tmp
>-/Instructions.htm#Draw_a_line
> 50.
>file:///var/folders/PO/POq4Tg5bH%2byUDGqlRkdWZ%2b%2b%2b%2bTI/-Tmp
>-/Instructions.htm#Draw_a_rectangle
> 51.
>file:///var/folders/PO/POq4Tg5bH%2byUDGqlRkdWZ%2b%2b%2b%2bTI/-Tmp
>-/Instructions.htm#Draw_a_circle
> 52.
>file:///var/folders/PO/POq4Tg5bH%2byUDGqlRkdWZ%2b%2b%2b%2bTI/-Tmp
>-/Instructions.htm#Draw_an_ellipse
> 53.
>file:///var/folders/PO/POq4Tg5bH%2byUDGqlRkdWZ%2b%2b%2b%2bTI/-Tmp
>-/Instructions.htm#Draw_a_polyline,_a_polygon,_or_a_path
> 54.
>file:///var/folders/PO/POq4Tg5bH%2byUDGqlRkdWZ%2b%2b%2b%2bTI/-Tmp
>-/Instructions.htm#Draw_line_of_text
> 55.
>file:///var/folders/PO/POq4Tg5bH%2byUDGqlRkdWZ%2b%2b%2b%2bTI/-Tmp
>-/Instructions.htm#Rotate_shapes
> 56.
>file:///var/folders/PO/POq4Tg5bH%2byUDGqlRkdWZ%2b%2b%2b%2bTI/-Tmp
>-/Instructions.htm#Rotation_translation_and_scaling
> 57.
>file:///var/folders/PO/POq4Tg5bH%2byUDGqlRkdWZ%2b%2b%2b%2bTI/-Tmp
>-/Instructions.htm#Translate_shapes
> 58.
>file:///var/folders/PO/POq4Tg5bH%2byUDGqlRkdWZ%2b%2b%2b%2bTI/-Tmp
>-/Instructions.htm#Rotation_translation_and_scaling
> 59.
>file:///var/folders/PO/POq4Tg5bH%2byUDGqlRkdWZ%2b%2b%2b%2bTI/-Tmp
>-/Instructions.htm#Scale_shapes
> 60.
>file:///var/folders/PO/POq4Tg5bH%2byUDGqlRkdWZ%2b%2b%2b%2bTI/-Tmp
>-/Instructions.htm#Rotation_translation_and_scaling
> 61.
>file:///var/folders/PO/POq4Tg5bH%2byUDGqlRkdWZ%2b%2b%2b%2bTI/-Tmp
>-/Instructions.htm#Delete_shapes
> 62.
>file:///var/folders/PO/POq4Tg5bH%2byUDGqlRkdWZ%2b%2b%2b%2bTI/-Tmp
>-/Instructions.htm#Stop_program
> 63.
>file:///var/folders/PO/POq4Tg5bH%2byUDGqlRkdWZ%2b%2b%2b%2bTI/-Tmp
>-/Instructions.htm#Write_drawing_file
> 64.
>file:///var/folders/PO/POq4Tg5bH%2byUDGqlRkdWZ%2b%2b%2b%2bTI/-Tmp
>-/Instructions.htm#Draw_a_polyline,_a_polygon,_or_a_path
> 65.
>file:///var/folders/PO/POq4Tg5bH%2byUDGqlRkdWZ%2b%2b%2b%2bTI/-Tmp
>-/Instructions.htm#actionItemListInToc
> 66.
>file:///var/folders/PO/POq4Tg5bH%2byUDGqlRkdWZ%2b%2b%2b%2bTI/-Tmp
>-/Instructions.htm#Write_drawing_file
> 67.
>file:///var/folders/PO/POq4Tg5bH%2byUDGqlRkdWZ%2b%2b%2b%2bTI/-Tmp
>-/Instructions.htm#The_fill_checkbox_and_fill_opacity
> 68.
>file:///var/folders/PO/POq4Tg5bH%2byUDGqlRkdWZ%2b%2b%2b%2bTI/-Tmp
>-/Instructions.htm#Rotate_shapes
> 69.
>file:///var/folders/PO/POq4Tg5bH%2byUDGqlRkdWZ%2b%2b%2b%2bTI/-Tmp
>-/Instructions.htm#Draw_a_polyline,_a_polygon,_or_a_path
> 70.
>file:///var/folders/PO/POq4Tg5bH%2byUDGqlRkdWZ%2b%2b%2b%2bTI/-Tmp
>-/Instructions.htm#Draw_a_polyline,_a_polygon,_or_a_path
> 71.
>file:///var/folders/PO/POq4Tg5bH%2byUDGqlRkdWZ%2b%2b%2b%2bTI/-Tmp
>-/Instructions.htm#Rotate_shapes
> 72. https://developer.mozilla.org/en/SVG/Tutorial/Paths
> 73.
>file:///var/folders/PO/POq4Tg5bH%2byUDGqlRkdWZ%2b%2b%2b%2bTI/-Tmp
>-/Instructions.htm#A_csv_file
> 74.
>file:///var/folders/PO/POq4Tg5bH%2byUDGqlRkdWZ%2b%2b%2b%2bTI/-Tmp
>-/Instructions.htm#A_path_file
> 75. https://developer.mozilla.org/en/SVG/Tutorial/Paths
> 76.
>file:///var/folders/PO/POq4Tg5bH%2byUDGqlRkdWZ%2b%2b%2b%2bTI/-Tmp
>-/Instructions.htm#Specific_user_instructions
> 77.
>file:///var/folders/PO/POq4Tg5bH%2byUDGqlRkdWZ%2b%2b%2b%2bTI/-Tmp
>-/Instructions.htm#Specific_user_instructions
> 78.
>file:///var/folders/PO/POq4Tg5bH%2byUDGqlRkdWZ%2b%2b%2b%2bTI/-Tmp
>-/Instructions.htm#Specific_user_instructions
> 79.
>file:///var/folders/PO/POq4Tg5bH%2byUDGqlRkdWZ%2b%2b%2b%2bTI/-Tmp
>-/Instructions.htm#Rotation_translation_and_scaling
> 80.
>file:///var/folders/PO/POq4Tg5bH%2byUDGqlRkdWZ%2b%2b%2b%2bTI/-Tmp
>-/Instructions.htm#Rotation_translation_and_scaling
> 81.
>file:///var/folders/PO/POq4Tg5bH%2byUDGqlRkdWZ%2b%2b%2b%2bTI/-Tmp
>-/Instructions.htm#Rotation_translation_and_scaling
> 82.
>file:///var/folders/PO/POq4Tg5bH%2byUDGqlRkdWZ%2b%2b%2b%2bTI/-Tmp
>-/Instructions.htm#Write_drawing_file
>
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