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Article View: comp.os.msdos.programmer
Article #6545

Graphics tablet coordinates

#6545
From: Tina Lastuka
Date: Fri, 18 Dec 1992 22:46
32 lines
1911 bytes
I have ported a QuickBasic program from the Macintosh that measures
bone lengths from hand x-rays using a digitizing pad. The problem that
I am having is that on the macintosh, the program could read the
coordinates fromt the digitizing tablet using the QuickBasic MOUSE
function with a reasonable degree of accuracy. I have downloaded
QBasic libraries from simtel that allow me to take coordinates from
the tablet's mouse driver (I'm using QuickBasic 4.5 on my pc), but the
resolution that I can achieve using this method is pathetic. The
digitizing tablet that I am using is a Summagraphics Summasketch II
Plus (connected to com1). It comes with a microsoft compatible mouse
driver, as well as a program called mmtest.exe that prints a stream of
xy coordinates and button positions to the screen.

I have ordered a technical manual from Summagraphics (this is the only
help they would give), but if anyone has experience programming with a
Summasketch tablet, I would appreciate any help you could give (I am
not a programmer).

Please send email to:  peter@ach.ucalgary.ca

Peter Faris
Data Analyst
Alberta Children's Hospital
Calgary, Alberta




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          * TINA THE HAPPY LITTLE OPERATOR *      lastuka@acs.ucalgary.ca
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From: lastuka@acs.ucalgary.ca (Tina Lastuka)
Subject: Graphics tablet coordinates
Sender: news@acs.ucalgary.ca (USENET News System)
Message-ID: <92Dec18.224656.25787@acs.ucalgary.ca>
Date: Fri, 18 Dec 92 22:46:56 GMT
Nntp-Posting-Host: acs3.acs.ucalgary.ca
Organization: The University of Calgary, Alberta
Followup-To: peter@ach.ucalgary.ca
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