GEOrient & GeoCalculator Bug Fixes

Author:
	Dr R.J.Holcombe
        Department of Earth Sciences
        University of Queensland
        Queensland, 4072, Australia
        Phone: (07) 3365 2178; 3377 2375
        FAX: (07) 3365 1277
	email: rodh@earthsciences.uq.edu.au
	http://www.earthsciences.uq.edu.au/~rodh/
	
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GEOrient History:
        Version 1 [STEREO] - originally written in GWBasic by 
				R.J.Holcombe, 1985
        Version 2 [STEREO10,STEREO20] - menu system modified by P.R.Murphy
		Queensland Department of Mines, 14/12/87
        Version 3 [STEREO40] - remodified by R.J.Holcombe, 4/7/89
        Version 1 [ORIENT - R.J.Holcombe, completely rewritten
           	and expanded for QUICKBASIC 4.5, March, 1990
        Version 2 [ORIENT] expanded January, 1991  to a format of
                CHAINED overlay programs requiring the BRUN45.EXE
                runtime module to preserve COMMON variables.
        Version 3 [ORIENT] Post-1991 modified and corrected version.
        Version 4.0 [originally called GEOLPLOT] Nov.-1992 
		Windows version written in Visual Basic 1.0
        Version 4.0 [GEOrient v.4 renamed from GEOPLOT]
                Feb-May,1993 rewritten for Visual Basic 2.0
      	Version 4.1 October, 1993 re-compiled in VB ver. 3.0
        	26/1/1994:  Released for shareware distribution
	Version 4.2 January, 1996 Addition of Length-Azimuth 
		Rose Diagram option. Required changes to .gpx binary 
		files but compatibility with earlier versions built-in
 		except for the trivial case where the number of points 
		in a saved plot is 1.

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BugFixes (youngest to oldest):
(Note dates in day/month/year)

24/7/1996:
    	Bugfix - RH rule conventions were not being read properly
7/1/1996:
	Minor bug fix accompanying change to Version 4.2.
	Fixed a problem with directions in Quadrant notation in which a 
	direction of 9 (eg.,N9W) was treated as invalid data.
10/12/1995:
	Slight cosmetic change
	Orientations given by mouse position now displayed in toolbar 
	textbox using custom conventions
29/11/1995: 
	Slight bug fix 
	Fitted Girdle Great circle was not being copied to clipboard 
	correctly or being replotted on screen after a copy-to-clipboard 
	edit.

21/10/1995: 
	Slight bug fix 
	Great circle girdles of 88-89 were not being plotted because 
	of small aperture [fixed by setting dips of 88=87 & 89=90].

22/9/1995:  
	Bug fix 
	Initial datasets in overlayed data that were plotted as 
	cyclographicplots were not being preserved as such in replots.

13/8/1995:  
	Slight bug fix 
	Correct error in manual addition of points that represent planes.
	Change font property of statistics and Description boxes back 
	to MS Sans Serif.

25/2/1995:  
	Slight bug fix 
	To plot great circles properly for dips > 80 degrees.

23/12/1994: 
	Slight bug fix 
	Datatype dialog box when using directions only.

9/9/1994:  
	Bug fix 
	Set up keypress options in Datatype and File Format forms.

10/9/1994:  
	Bug fix 
	Corrected problem that, when reading and writing to binary *.gpx 
	file, it dropped the last point.

15/8/1994:  
	Bug fix 
	Second tier Rose toolbar buttons not activated.

10/8/1994:  
	Bug fix 
	/F and /D embedded options didn't work.

2/7/1994:   
	Bug fix 
	Manually fitted girdle routine not working properly.
	Didn't load Overlay files correctly after one had been deleted.

19/3/1994:  
	Bug fix 
	Gave error if no default printer set up in win.ini and didn't 
	respond immediately to the printer setup changes.

25/2/1994:  
	Bug fix 
	Wasn't reading strike and dip input correctly.
                           
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GeoCalculator history:

    Code prepared in Visual Basic 3.0
    Version 1.0 [GEOCALC]  written in Visual Basic 3.0 - November  1993


GeoCalculator Bug Fixes:

4-6-95  - incorrect file input for pitches and hades.
20-2-95 - incorrect calculation in Apparent Dips.
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