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(* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is TurboPower SysTools
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*
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* The Initial Developer of the Original Code is
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* TurboPower Software
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*
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* Portions created by the Initial Developer are Copyright (C) 1996-2002
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* ***** END LICENSE BLOCK ***** *)
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unit EclipseU;
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interface
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uses
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Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs, StdCtrls,
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StBase, StDate, StList, StEclpse;
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type
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TForm1 = class(TForm)
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Memo1: TMemo;
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Button1: TButton;
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YearEF: TEdit;
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procedure Button1Click(Sender: TObject);
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procedure FormCreate(Sender: TObject);
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private
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{ Private declarations }
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public
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{ Public declarations }
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procedure WriteLunarData(Eclipse : TStEclipseRecord; SL : TStrings);
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procedure WriteSolarData(Eclipse : TStEclipseRecord; SL : TStrings);
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end;
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var
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Form1: TForm1;
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implementation
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{$R *.DFM}
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procedure TForm1.FormCreate(Sender: TObject);
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begin
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YearEF.Text := '1998';
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end;
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{-----------------------------------------------------------------------------}
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procedure TForm1.Button1Click(Sender: TObject);
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var
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I : integer;
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Data : TStEclipses;
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Eclipse : TStEclipseRecord;
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begin
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Memo1.Clear;
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Data := TStEclipses.Create(TStListNode);
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try
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Data.FindEclipses(StrToInt(YearEF.Text));
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for I := 0 to pred(Data.Count) do begin
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Eclipse := TStEclipseRecord(Data.Eclipses[I]^);
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if (Eclipse.Etype in [etLunarPenumbral, etLunarPartial, etLunarTotal]) then
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WriteLunarData(Eclipse, Memo1.Lines)
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else
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WriteSolarData(Eclipse, Memo1.Lines);
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end;
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finally
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Data.Free;
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end;
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end;
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{-----------------------------------------------------------------------------}
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procedure TForm1.WriteLunarData(Eclipse : TStEclipseRecord; SL : TStrings);
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var
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S : string[255];
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begin
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case Eclipse.EType of
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etLunarPenumbral : SL.Add('Lunar - Penumbra');
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etLunarPartial : SL.Add('Lunar - Partial');
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etLunarTotal : SL.Add('Lunar - Total');
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end;
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Str(Eclipse.Magnitude : 5 : 3, S);
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SL.Add('Mag: ' + S);
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SL.Add('Penumbral Starts: ' + DateTimeToStr(Eclipse.LContacts.UT1));
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SL.Add('First Contact: ' + DateTimeToStr(Eclipse.LContacts.FirstContact));
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SL.Add('Second Contact: ' + DateTimeToStr(Eclipse.LContacts.SecondContact));
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SL.Add('Mid Eclipse ' + DateTimeToStr(Eclipse.LContacts.MidEclipse));
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SL.Add('Third Contact: ' + DateTimeToStr(Eclipse.LContacts.ThirdContact));
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SL.Add('Fourth Contact: ' + DateTimeToStr(Eclipse.LContacts.FourthContact));
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SL.Add('Penumbral Ends: ' + DateTimeToStr(Eclipse.LContacts.UT2));
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SL.Add('');
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SL.Add('');
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SL.Add('');
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end;
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{-----------------------------------------------------------------------------}
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procedure TForm1.WriteSolarData(Eclipse : TStEclipseRecord; SL : TStrings);
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var
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I : integer;
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S,
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P : string[255];
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LL : TStLongLat;
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begin
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case Eclipse.EType of
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etSolarPartial : begin
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SL.Add('Solar - Partial');
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Str(Eclipse.Magnitude : 5 : 3, S);
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SL.Add('Mag: ' + S);
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if Eclipse.Hemisphere = htNorthern then
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SL.Add('Hemisphere: Northern')
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else
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SL.Add('Hemisphere: Southern');
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SL.Add('Mid Eclipse: ' +
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DateTimeToStr(Eclipse.LContacts.MidEclipse));
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end;
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etSolarTotal : begin
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SL.Add('Solar - Total');
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SL.Add('Mag: N/A');
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if Eclipse.Hemisphere = htNorthern then
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SL.Add('Hemisphere: Northern')
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else
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SL.Add('Hemisphere: Southern');
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SL.Add('Mid Eclipse: ' +
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DateTimeToStr(Eclipse.LContacts.MidEclipse));
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end;
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etSolarAnnularTotal : begin
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Str(Eclipse.Magnitude : 5 : 3, S);
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SL.Add('Mag: N/A');
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if Eclipse.Hemisphere = htNorthern then
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SL.Add('Hemisphere: Northern')
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else
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SL.Add('Hemisphere: Southern');
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SL.Add('Mid Eclipse: ' +
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DateTimeToStr(Eclipse.LContacts.MidEclipse));
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end;
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etSolarAnnular : begin
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SL.Add('Solar - Annular');
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SL.Add('Mag: N/A');
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if Eclipse.Hemisphere = htNorthern then
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SL.Add('Hemisphere: Northern')
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else
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SL.Add('Hemisphere: Southern');
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SL.Add('Mid Eclipse: ' +
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DateTimeToStr(Eclipse.LContacts.MidEclipse));
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end;
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end;
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if Assigned(Eclipse.Path) then begin
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for I := 0 to pred(Eclipse.Path.Count) do begin
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LL := TStLongLat(Eclipse.Path.Items[I].Data^);
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P := ' ' + DateTimeToStr(LL.JD) + ' ';
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Str(LL.Longitude : 7 : 2, S);
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P := P + S + ' ';
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Str(LL.Latitude : 6 : 2, S);
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P := P + S + ' ';
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Str(LL.Duration : 4 : 2, S);
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P := P + S;
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SL.Add(P);
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end;
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end;
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SL.Add('');
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SL.Add('');
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SL.Add('');
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end;
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end.
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