LOGO-L> names for turtles

[john wood]

I'm working with PC Logo 2.0 for MSW. I am just starting to work with
creating my own shapes for the turtles. I have found that 'left-mouse' adds
a 'pixcel' to the shape and 'right-mouse' removes a pixcel.

I have found that I can load a set of shapes from the file such as:
SEAHORSE and I can see the turtle as a seahorse when I go SETSHAPE
:SEAHORSE. My question is how do I easily return to the turtle shape?

And how do I really know that I have a shape of a seahorse other than to
look at it? Is there a way of the computer telling the operator the name of
the shape if it is known?

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[Terrapin]

You can always return to the original turtle shape with (SETSHAPE).
(SETSHAPE command surrounded by parentheses.) Turtle shapes are
Logo names. PONS (Print Out Names) will list all the Logo names
currently in your workspace.

Bill

****************************************************************
Harvard Associates & makers of PC Logo and LogoPLUS
Terrapin Software Internet: in...@terrapinlogo.com
10 Holworthy Street phone: (617) 492-0660
Cambridge, MA 02138 USA fax: (617) 492-4610
World Wide Web: www.terrapinlogo.com
****************************************************************

-----Original Message-----
From: john wood <jlwo...@hotmail.com>
To: in...@www.terrapinlogo.com <in...@www.terrapinlogo.com>
Cc: log...@gsn.org <log...@gsn.org>
Date: Wednesday, July 07, 1999 12:27 PM
Subject: LOGO-L> names for turtles

>
>I'm working with PC Logo 2.0 for MSW. I am just starting to work with
>creating my own shapes for the turtles. I have found that 'left-mouse'
adds
>a 'pixcel' to the shape and 'right-mouse' removes a pixcel.
>
>I have found that I can load a set of shapes from the file such as:
>SEAHORSE and I can see the turtle as a seahorse when I go SETSHAPE
>:SEAHORSE. My question is how do I easily return to the turtle shape?
>
>And how do I really know that I have a shape of a seahorse other than to
>look at it? Is there a way of the computer telling the operator the name
of
>the shape if it is known?
>

[George Mills]

Sorry, I could not help comment on the use of parentheses for some
new Logo programers.

Each Logo command has a default number of arguments.
When using the default number of arguments no parens are required.

But many commands take a variable number of arguments which could be
more or less than the default.

What Bill has said to do here is basically call SETSHAPE with no
arguments. If you left the parens off it would assume the next
argument existed (the default of one argument).

By using parens you force the number of arguments you want to be used,
including no arguments. Not all commands allow this.

Terrapin wrote:
>
> You can always return to the original turtle shape with (SETSHAPE).
> (SETSHAPE command surrounded by parentheses.) Turtle shapes are
> Logo names. PONS (Print Out Names) will list all the Logo names
> currently in your workspace.
>
> Bill
>
> ****************************************************************
> Harvard Associates & makers of PC Logo and LogoPLUS
> Terrapin Software Internet: in...@terrapinlogo.com
> 10 Holworthy Street phone: (617) 492-0660
> Cambridge, MA 02138 USA fax: (617) 492-4610
> World Wide Web: www.terrapinlogo.com
> ****************************************************************

--
===============================================================
George Mills
email: mi...@softronix.com
http://www.softronix.com
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