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Math Help - My graphics

  1. #1
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    Joined
    May 2006
    From
    Lexington, MA (USA)
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    My graphics

    Hello, everyone!

    Someone asked how I did my diagrams.
    I do it the old-fashioned way . . . go into CODE-mode and type the diagrams.

    Since the characters do not line up nicely, the result is often unpredictable.
    So I type a "grid" to work on.

    I start with something like:
    Code:
    . . . - - - - - - - - - - - -
    . . . - - - - - - - - - - - -

    Then I use COPY and PASTE to make some "graph paper".
    Code:
    . . . - - - - - - - - - - - -
    . . . - - - - - - - - - - - -
    . . . - - - - - - - - - - - -
    . . . - - - - - - - - - - - -
    . . . - - - - - - - - - - - -
    . . . - - - - - - - - - - - -
    . . . - - - - - - - - - - - -
    . . . - - - - - - - - - - - -
    . . . - - - - - - - - - - - -
    . . . - - - - - - - - - - - -
    . . . - - - - - - - - - - - - 
    . . . - - - - - - - - - - - - 
    . . . - - - - - - - - - - - -
    . . . - - - - - - - - - - - -
    . . . - - - - - - - - - - - -

    I can insert a set of coordinate axes . . .
    Code:
    . . . - - - - - | - - - - - -
    . . . - - - - - | - - - - - -
    . . . - - - - - | - - - - - -
    . . . - - - - - | - - - - - -
    . . . - - - - - | - - - - - -
    . . . - - - - - | - - - - - -
    . . . - - - - - | - - - - - -
    . . ------------+------------
    . . . - - - - - | - - - - - -
    . . . - - - - - | - - - - - -
    . . . - - - - - | - - - - - - 
    . . . - - - - - | - - - - - - 
    . . . - - - - - | - - - - - -
    . . . - - - - - | - - - - - -
    . . . - - - - - | - - - - - -

    Then, for example, I've designed a pretty nice circle.
    Code:
    . . . - - - - - | - - - - - -
    . . . - - - - * * * - - - - -
    . . . - - * - - | - - * - - -
    . . . - * - - - | - - - * - -
    . . . -*- - - - | - - - -*- -
    . . . - - - - - | - - - - - -
    . . . * - - - - | - - - - * -
    . . --*---------+---------*--
    . . . * - - - - | - - - - * -
    . . . - - - - - | - - - - - -
    . . . -*- - - - | - - - -*- - 
    . . . - * - - - | - - - * - - 
    . . . - - * - - | - - * - - -
    . . . - - - - * * * - - - - -
    . . . - - - - - | - - - - - -

    As we type in symbols to replace the hyphens,
    . . the array gets out-of-line.

    It looks like this on your screen:

    . . . - - - - - | - - - - - -
    . . . - - - - * * * - - - - -
    . . . - - * - - | - - * - - -
    . . . - * - - - | - - - * - -
    . . . -*- - - - | - - - -*- -
    . . . - - - - - | - - - - - -
    . . . * - - - - | - - - - * -
    . . --*---------+---------*--
    . . . * - - - - | - - - - * -
    . . . - - - - - | - - - - - -
    . . . -*- - - - | - - - -*- -
    . . . - * - - - | - - - * - -
    . . . - - * - - | - - * - - -
    . . . - - - - * * * - - - - -
    . . . - - - - - | - - - - - -

    so, I do some serious counting when I work
    . . and PREVIEW it often.


    The last step is the removal of the unwanted hyphens.
    My fingers automatically press: \boxed{\text{space}}\;\boxed{\text{delete}}\;\boxe  d{\rightarrow}

    And this is the final result:
    Code:
                    |
                  * * *
              *     |     *
            *       |       *
           *        |        *
                    |
          *         |         *
        --*---------+---------*--
          *         |         *
                    |
           *        |        *
            *       |       *
              *     |     *
                  * * *
                    |

    It's a lot of work, but the results are most rewarding.
    . . Give it a try!
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  2. #2
    Member
    Joined
    Nov 2006
    Posts
    126
    Wow I did not know so much effort goes into it! You truly are the most helpful member of the forum soroban!
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