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The Casual Cartographer

[Newsletter Archives]

August 1998

A GIS Monthly Publication by Mentor Software, Inc.

IN THIS ISSUE

Your Email:

Attention All Programmers!
TralaineDLL 8.01 has just been released!  Download a 5 day full working demo and try it out with your programs.  TralaineDLL is a 32bit DLL and a Windows NT/95 executable. Use the DLL to add geographic coordinate conversion to your C, C++, MFC, Visual Basic, Dephi 2, or Optima++ applications.

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Take The Trivia Challenge
1. What 17 year-old invented the "least squares" technique? 
          
2. Who was the first person to figure out that earth was round?    
        
3.What is the center of the earth?
        
Answers at bottom of page.
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Your Comments Please...
Fill out our feedback form.  Let us know what you think about The Casual Cartographer or Mentor Software's Products.  Send us your GIS Tips, or Ask Norm a question.
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Trivia Answers:
1. Carl Friedrich Gauss.  Least Squares is a technique used to develop a mathematical model which "best fits" observed data.  "Best fit" in this case is "least" value of the sum of the "squares" of deviation from observed data.
2. Aristotle deduced this after observing the earth's shadow on the moon during an eclipse.
3. 0,0,0


Letter from Norm
-Software Bugs

Freebie of the Month
New --> Old Style Polyline Converter

GIS Tips
-Converting Coordinates Between Datums
1. Grid based Interpolation
2. Geocentric Coordinates
3. Analytical Formulas

Ask Norm?
-Which UTM Zone
for California?

GIS Resources
-GIS Links
-GIS Glossary Updated!
-Image Library

Products
Do you have the latest release?  Download the update.exe file.

-Tralaine 4.12 7/14/98
-Multric 14.04 8/10/98
-Hawkeye 14.13 7/14/98
-TralaineDLL 8.01 New!

 

We do NOT sell lists.  We will ONLY use your name/email address for The Casual Cartographer. 

©Copyright 1998 Mentor Software, Inc.  All rights reserved. 

Letters to editor, send email to: ann@rockware.com

 

 

 

 

 

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