The first commit.

Enthaltene Umrechnungen:
- Leuchtkraft zu absoluter Helligkeit
- absolute Helligkeit zu Leuchtkraft

backup/astroCalc.lpi

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+<?xml version="1.0" encoding="UTF-8"?>
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+        <IsPartOfProject Value="True"/>
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+    <Target>
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+    <SearchPaths>
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+    </SearchPaths>
+    <Linking>
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+        </Win32>
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+    </Linking>
+  </CompilerOptions>
+  <Debugging>
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+</CONFIG>

backup/astroCalc.lps

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+<?xml version="1.0" encoding="UTF-8"?>
+<CONFIG>
+  <ProjectSession>
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+    <BuildModes Active="Default"/>
+    <Units Count="2">
+      <Unit0>
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+        <IsPartOfProject Value="True"/>
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+        <CursorPos Y="21"/>
+        <UsageCount Value="21"/>
+        <Loaded Value="True"/>
+      </Unit0>
+      <Unit1>
+        <Filename Value="unit1.pas"/>
+        <IsPartOfProject Value="True"/>
+        <ComponentName Value="Form1"/>
+        <HasResources Value="True"/>
+        <ResourceBaseClass Value="Form"/>
+        <UnitName Value="Unit1"/>
+        <IsVisibleTab Value="True"/>
+        <TopLine Value="95"/>
+        <CursorPos X="60" Y="107"/>
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+        <Loaded Value="True"/>
+        <LoadedDesigner Value="True"/>
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backup/unit1.lfm

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+object Form1: TForm1
+  Left = 269
+  Height = 240
+  Top = 152
+  Width = 320
+  Caption = 'Form1'
+  ClientHeight = 240
+  ClientWidth = 320
+  LCLVersion = '2.0.12.0'
+  object PageControl1: TPageControl
+    AnchorSideRight.Side = asrBottom
+    AnchorSideBottom.Side = asrBottom
+    Left = 0
+    Height = 248
+    Top = 0
+    Width = 320
+    ActivePage = TabSheet1
+    Align = alCustom
+    Anchors = [akTop, akLeft, akRight, akBottom]
+    TabIndex = 1
+    TabOrder = 0
+    OnChange = PageControl1Change
+    object ML: TTabSheet
+      Caption = 'M->L'
+      ClientHeight = 223
+      ClientWidth = 320
+      OnContextPopup = MLContextPopup
+      object LabeledEdit1: TLabeledEdit
+        Left = 248
+        Height = 29
+        Top = 24
+        Width = 48
+        EditLabel.Height = 17
+        EditLabel.Width = 189
+        EditLabel.Caption = 'Absolute Helligkeit M = '
+        EditLabel.ParentColor = False
+        LabelPosition = lpLeft
+        TabOrder = 0
+        Text = '0'
+        OnChange = LabeledEdit1Change
+      end
+      object LabeledEdit2: TLabeledEdit
+        Left = 192
+        Height = 29
+        Top = 112
+        Width = 104
+        EditLabel.Height = 17
+        EditLabel.Width = 166
+        EditLabel.Caption = 'rel. Leuchtkraft L* = '
+        EditLabel.Color = clHighlightText
+        EditLabel.ParentColor = False
+        LabelPosition = lpLeft
+        TabOrder = 1
+        OnChange = LabeledEdit2Change
+      end
+      object LabeledEdit3: TLabeledEdit
+        Left = 136
+        Height = 29
+        Top = 152
+        Width = 137
+        EditLabel.Height = 17
+        EditLabel.Width = 128
+        EditLabel.Caption = 'Leuchtkraft L = '
+        EditLabel.Color = clYellow
+        EditLabel.ParentColor = False
+        LabelPosition = lpLeft
+        TabOrder = 2
+        OnChange = LabeledEdit3Change
+      end
+      object BitBtn1: TBitBtn
+        Left = 72
+        Height = 30
+        Top = 72
+        Width = 164
+        Caption = 'Berechne'
+        OnClick = BitBtn1Click
+        TabOrder = 3
+      end
+      object Label1: TLabel
+        Left = 280
+        Height = 17
+        Top = 160
+        Width = 16
+        Caption = 'W'
+        ParentColor = False
+      end
+    end
+    object TabSheet1: TTabSheet
+      Caption = 'L->M'
+      ClientHeight = 223
+      ClientWidth = 320
+      object LabeledEdit4: TLabeledEdit
+        Left = 192
+        Height = 29
+        Top = 16
+        Width = 104
+        EditLabel.Height = 17
+        EditLabel.Width = 170
+        EditLabel.Caption = 'Rel. Leuchtkraft L* = '
+        EditLabel.ParentColor = False
+        LabelPosition = lpLeft
+        TabOrder = 0
+        Text = '1'
+        OnChange = LabeledEdit4Change
+        OnEditingDone = LabeledEdit4EditingDone
+      end
+      object LabeledEdit5: TLabeledEdit
+        Left = 144
+        Height = 29
+        Top = 56
+        Width = 128
+        EditLabel.Height = 17
+        EditLabel.Width = 128
+        EditLabel.Caption = 'Leuchtkraft L = '
+        EditLabel.ParentColor = False
+        LabelPosition = lpLeft
+        TabOrder = 1
+        Text = '3.828e26'
+        OnChange = LabeledEdit5Change
+        OnEditingDone = LabeledEdit5EditingDone
+      end
+      object Label2: TLabel
+        Left = 280
+        Height = 17
+        Top = 64
+        Width = 16
+        Caption = 'W'
+        ParentColor = False
+      end
+      object Button1: TButton
+        Left = 80
+        Height = 25
+        Top = 104
+        Width = 152
+        Caption = 'Berechne'
+        OnClick = Button1Click
+        TabOrder = 2
+      end
+      object LabeledEdit6: TLabeledEdit
+        Left = 208
+        Height = 29
+        Top = 152
+        Width = 88
+        EditLabel.Height = 17
+        EditLabel.Width = 189
+        EditLabel.Caption = 'Absolute Helligkeit M = '
+        EditLabel.ParentColor = False
+        LabelPosition = lpLeft
+        TabOrder = 3
+        OnChange = LabeledEdit6Change
+      end
+    end
+  end
+end

backup/unit1.pas

@@ -0,0 +1,194 @@
+unit Unit1;
+
+{$mode objfpc}{$H+}
+
+interface
+
+uses
+  Classes, SysUtils, Forms, Controls, Graphics, Dialogs, ComCtrls, ExtCtrls,
+  Buttons, StdCtrls, Math, Types;
+
+type
+
+  { TForm1 }
+
+  TForm1 = class(TForm)
+    BitBtn1: TBitBtn;
+    Button1: TButton;
+    Label1: TLabel;
+    Label2: TLabel;
+    LabeledEdit1: TLabeledEdit;
+    LabeledEdit2: TLabeledEdit;
+    LabeledEdit3: TLabeledEdit;
+    LabeledEdit4: TLabeledEdit;
+    LabeledEdit5: TLabeledEdit;
+    LabeledEdit6: TLabeledEdit;
+    PageControl1: TPageControl;
+    ML: TTabSheet;
+    TabSheet1: TTabSheet;
+    procedure BitBtn1Click(Sender: TObject);
+    procedure Button1Click(Sender: TObject);
+    procedure LabeledEdit1Change(Sender: TObject);
+    procedure LabeledEdit2Change(Sender: TObject);
+    procedure LabeledEdit3Change(Sender: TObject);
+    procedure LabeledEdit4Change(Sender: TObject);
+    procedure LabeledEdit4EditingDone(Sender: TObject);
+    procedure LabeledEdit5Change(Sender: TObject);
+    procedure LabeledEdit5EditingDone(Sender: TObject);
+    procedure LabeledEdit6Change(Sender: TObject);
+    procedure MLContextPopup(Sender: TObject; MousePos: TPoint;
+      var Handled: Boolean);
+    procedure PageControl1Change(Sender: TObject);
+  private
+    function CalcAbsMFromL(L: Double): Double;
+    function CalcLstarFromAbsM(M: Double): Double;
+    function CalcLFromAbsM(M: Double): Double;
+    function CalcLFromLstar(Lstar: Double): Double;
+    function CalcLstarFromL(L: Double): Double;
+  public
+
+  end;
+const
+  c = 299792458;
+  Msun = 4.84;
+  Lsun = 3.828e26;
+var
+  Form1: TForm1;
+
+implementation
+
+{$R *.lfm}
+
+{ TForm1 }
+
+procedure TForm1.PageControl1Change(Sender: TObject);
+begin
+
+end;
+
+procedure TForm1.LabeledEdit2Change(Sender: TObject);
+begin
+
+end;
+
+procedure TForm1.LabeledEdit1Change(Sender: TObject);
+begin
+
+end;
+
+procedure TForm1.BitBtn1Click(Sender: TObject);
+var M, Lstar, L: Double;
+begin
+  try
+    M := StrToFloat(LabeledEdit1.Text);
+  except
+    ShowMessage('keine Fließkommazahl');
+    M := 0;
+  end;
+  Lstar := CalcLstarFromAbsM(M);//Power(10, (M-Msun)/(-2.5));
+  L := CalcLFromLstar(Lstar);
+
+  Lstar := RoundTo(Lstar, -4);
+  L := RoundTo(L,23);
+  LabeledEdit2.Text := FloatToStr(Lstar);
+  LabeledEdit3.Text := FloatToStr(L);
+end;
+
+procedure TForm1.Button1Click(Sender: TObject);
+var L, M: Double;
+begin
+  try
+    if LabeledEdit5.Text = '' then L := Lsun
+    else
+      L := StrToFloat(LabeledEdit5.Text);
+  except
+    ShowMessage('keine Fließkommazahl');
+    L := Lsun;
+  end;
+  M := CalcAbsMFromL(L);
+  LabeledEdit6.Text := FormatFloat('#.##',M);
+end;
+
+procedure TForm1.LabeledEdit3Change(Sender: TObject);
+begin
+
+end;
+
+procedure TForm1.LabeledEdit4Change(Sender: TObject);
+begin
+
+end;
+
+procedure TForm1.LabeledEdit4EditingDone(Sender: TObject);
+var L, Lstar: Double;
+begin
+  try
+    if LabeledEdit4.Text = '' then Lstar := 1
+    else
+      Lstar := StrToFloat(LabeledEdit4.Text);
+  except
+    ShowMessage('keine Fließkommazahl');
+    Lstar := 1;
+  end;
+  L := CalcLFromLstar(Lstar);
+  LabeledEdit5.Text := FormatFloat('0.000E+00',L);
+end;
+
+procedure TForm1.LabeledEdit5Change(Sender: TObject);
+begin
+
+end;
+
+procedure TForm1.LabeledEdit5EditingDone(Sender: TObject);
+var L, Lstar: Double;
+begin
+  try
+    if LabeledEdit5.Text = '' then L := Lsun
+    else
+      L := StrToFloat(LabeledEdit5.Text);
+  except
+    ShowMessage('keine Fließkommazahl');
+    L := Lsun;
+  end;
+  Lstar := CalcLStarFromL(L);
+  LabeledEdit4.Text := FormatFloat('#.##',Lstar);
+end;
+
+procedure TForm1.LabeledEdit6Change(Sender: TObject);
+begin
+
+end;
+
+procedure TForm1.MLContextPopup(Sender: TObject; MousePos: TPoint;
+  var Handled: Boolean);
+begin
+
+end;
+
+function TForm1.CalcAbsMFromL(L: Double): Double;
+begin
+  CalcAbsMFromL := -2.5 * Log10( L / Lsun )+ Msun;
+end;
+
+function TForm1.CalcLstarFromAbsM(M: Double): Double;
+begin
+  CalcLstarFromAbsM :=  Power(10, (M-Msun)/(-2.5));
+end;
+
+function TForm1.CalcLFromAbsM(M: Double): Double;
+begin
+  CalcLFromAbsM :=  Lsun * Power(10, (M-Msun)/(-2.5));
+end;
+
+function TForm1.CalcLFromLstar(Lstar: Double): Double;
+begin
+  CalcLFromLstar := Lstar * Lsun;
+end;
+
+function TForm1.CalcLstarFromL(L: Double): Double;
+begin
+  CalcLstarFromL := L / Lsun;
+end;
+
+end.
+