LOGO-L> slideshow

[KERRB@Magill.UniSA.edu.au]

Preparing a slideshow in MicroWorlds is not a new idea but I would like to 
mention a real success I have had with it recently.
 
I wanted my students (Year 9's) to do a MW Project on the theme of Australian 
aboriginal culture. The existing shapes in MW are inadequate for this theme. 

So I did an Internet search and downloaded a lot of graphics on this topic 
(many sites allow you to use their graphics for educational purposes) and then 
used PaintShopPro to convert them to *.pcx format so they could be loaded in 
MicroWorlds (I still use version 1 since our school hasn't upgraded the network 
to Win95). 

One problem here was that I found that the graphics had to be in 256 colour 
mode before MW version 1 could read them. That seemed to mean that I had to 
convert some coloured graphics into grey scale. That was OK but please tell me 
if there is a better way to do it.

I then found to my delight that with just one procedure I could load all the 
graphics into a MW file and then with just one other procedure I could convert 
them into a slide show. This made all the difference because it was quick for 
me to do it and quick for the kids to peruse the graphics in valuable lesson 
time with limited computer access. 

>From memory the procedures went something like this:-

to load :list
ht
loadpict first :list
newpage
load bf :list
end

then type
load pictlist
in the command centre.

to slides :no
getpage word "page :no
wait 20
if :no = 15 [getpage "page1]  ;assuming you have 15 slides
slides :no + 1
end

to slideshow
slides 1
end

then put a button called slideshow on page 1.

The kids can then:-
a) view the slides, write down the page nos. they want
b) open their project
c) type merge "pics "pagex where pics is the name of the slideshow file,
and the page they want will be merged into their project. They can then use 
running ants in paint-tools to cut and paste the graphic to where ever they 
want.

I also found out that you can use running ants in Paint tools to expand / 
contract a graphic to the size you want. This was handy for converting a small 
pic of Ayers Rock to a full page background.


 Bill Kerr
 Paralowie R12 School
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