LOGO-L> Re: Geomland

[mikedoyle@cix.compulink.co.uk (Mike Doyle)]

In-Reply-To: <27 May 97 19:49:22@omsd.cerf.fred.org>
I am hoping for Email information from Sophia (Bulgaria) on the current 
status of Geomland and its general availability outside that country.

Geomland has been described in papers at Eurologo conferences since 1989. 
The publication EUROLOGOS contains reviews etc. in issues 1 & 2. The 
latest was in 1994. The Proceedings of EUROLOGO'95 has a short piece.
(I can send you this print material bundle for UKP 20 inc postage.)

Goemland is an object oriented implementation of Logo that has as a domain 
plane geometry (plus some LogoWriter-like text handling primitives). In 
1994 though Geomland used windows, these were not like MS-Windows. The 
vocabulary, though sympathetic to LCSI/MIT dialects, is different. The 
following Logo sequence draws 150 circles randomly over the screen:

>INITPLANE
>CSC POINT 300 155 ;(sets origin in corner of screen)
>REPEAT 150 [COLOR 1 + RANDOM 15 DRAWV CIRCLE POINT RANDOM 600 RANDOM 320 
10 + RANDOM 15] ;(150 circles of radius between 10 & 25 at any point 
between 0,0 and 600, 320
>STOPCOMM

The primitive OBJECT is used to make a plane drawing into a linked object. 
OBJECT is used like MAKE but assigns a name to an object rather than a 
variable. When the value of the object is changed it will affect all 
linked objects (like grouped graphic elements in a drawing program). Thus, 
a change in angle or line length will alter a whole shape accordingly.

The address on my 1994 copy is: ComseD, Sofia, Bulgaria. Contact Bojidar 
Sendov, 5 James Bouchier Blvd., 1126 Sofia, PO Box 48, Bulgaria. Tel/fax 
+395 2 687188.



Micheal O Duill
EuroLogo Scientific Committee Chairman

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