[Squeakland] Re: Displaying a calculation in a text box

Tim Andrews timoandrews at yahoo.com
Thu Feb 19 06:35:10 PST 2004


Not Sure why you didn't get the text but here it is(I Hope).  I love
technology:

 

Here's a simple approach in the picture below - many will work.  I've taken
a rectangle and a text morph out of the supplies flap.  From the text
morph's viewer drag out the 'numeric value' arrow from the basic category.
Then you can drag your length X width calculation into the script as I've
done using the length and width of the rectangle. Clicking the '!' in the
script will calculate the area once; if you set the script to ticking it
will update anytime the inputs vary, so you can change the size of the
rectangle and watch the result as you do so.  Hope that helps.

 

Tim Andrews

 

 

-----Original Message-----
From: squeakland-bounces at squeakland.org
[mailto:squeakland-bounces at squeakland.org] On Behalf Of Phil Firsenbaum
Sent: Wednesday, February 18, 2004 9:42 PM
To: squeakland at squeakland.org
Subject: [Squeakland] Re: Displaying a calculation in a text box

 


I took Andreas' advice and it worked. I created a new variable, which i
called area and set its value (in a new script) as the product of length
times width. then I created a detailed watcher for area and, sure enough,
the area was displayed in the watcher.
With that said, I would also like to be able to do what Tim did...have a
separate (text) box which displays the value which is what was visible in
the screen shot that Tim attached. Unfortunately, there was no text
accompanying Tim's message, so I still don't know what he did. Look forward
to reading Tim's description.


On Feb 18, 2004, at 12:57 PM, squeakland-request at squeakland.org wrote:

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Today's Topics:

1. Displaying a calculation in a text box (Phil Firsenbaum)
2. Re: Displaying a calculation in a text box (Andreas Raab)
3. RE: Displaying a calculation in a text box (Tim Andrews)

From: Phil Firsenbaum <tacmanphil at mac.com>
Date: February 18, 2004 10:47:37 AM EST
To: squeakland at squeakland.org
Subject: [Squeakland] Displaying a calculation in a text box


I'm working on a project which will generate the area of a given geometric
figure. There are a number of approaches I'm considering, however, I'm stuck
when it comes to displaying a given calculation. For example, if I use
variables for length and width, I want to be able to display the results of
lengthXwidth.
Thanks,
Phil



From: "Andreas Raab" <andreas.raab at squeakland.org>
Date: February 18, 2004 11:36:40 AM EST
To: "Phil Firsenbaum" <tacmanphil at mac.com>, <squeakland at squeakland.org>
Subject: Re: [Squeakland] Displaying a calculation in a text box


Hi Phil,

The easiest way to do this is to make a ticking script which computes the
computed value and then have a readout for this value. For example:

<ticking>
foo's result <- foo's length * foo's width

and then the "result" readout will show the resulting value.

Cheers,
- Andreas

----- Original Message ----- 
From: "Phil Firsenbaum" <tacmanphil at mac.com>
To: <squeakland at squeakland.org>
Sent: Wednesday, February 18, 2004 4:47 PM
Subject: [Squeakland] Displaying a calculation in a text box



I'm working on a project which will generate the area of a given geometric

figure. There are a number of approaches I'm considering, however, I'm stuck
when it comes to displaying a given calculation. For example, if I use
variables for length and width, I want to be able to display the results of
lengthXwidth.

Thanks,
Phil
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From: "Tim Andrews" <timoandrews at yahoo.com>
Date: February 18, 2004 11:45:46 AM EST
To: <squeakland at squeakland.org>
Subject: RE: [Squeakland] Displaying a calculation in a text box


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