TAChart: Add sources of tutorial on logarithmic axis to folder tutorials/moores_law, update readme.txt

git-svn-id: trunk@39219 -
2025-04-18 10:09:32 +02:00 · 2012-11-01 12:18:08 +00:00 · 2012-11-01 12:18:08 +00:00 · 2999984266
commit 2999984266
parent d0904e069a
6 changed files with 319 additions and 0 deletions
--- a/.gitattributes
+++ b/.gitattributes
@ -3120,6 +3120,10 @@ components/tachart/tutorials/mandelbrot/main.lfm svneol=native#text/plain
 components/tachart/tutorials/mandelbrot/main.pas svneol=native#text/pascal
 components/tachart/tutorials/mandelbrot/mandelbrot.lpi svneol=native#text/plain
 components/tachart/tutorials/mandelbrot/mandelbrot.lpr svneol=native#text/pascal
+components/tachart/tutorials/moores_law/main.lfm svneol=native#text/plain
+components/tachart/tutorials/moores_law/main.pas svneol=native#text/pascal
+components/tachart/tutorials/moores_law/moore.lpi svneol=native#text/plain
+components/tachart/tutorials/moores_law/moore.lpr svneol=native#text/pascal
 components/tachart/tutorials/readme.txt svneol=native#text/plain
 components/tdbf/Makefile svneol=native#text/plain
 components/tdbf/Makefile.compiled svneol=native#text/plain
--- a/components/tachart/tutorials/moores_law/main.lfm
+++ b/components/tachart/tutorials/moores_law/main.lfm
@ -0,0 +1,112 @@
+object Form1: TForm1
+  Left = 244
+  Height = 356
+  Top = 193
+  Width = 552
+  Caption = 'Form1'
+  ClientHeight = 356
+  ClientWidth = 552
+  OnCreate = FormCreate
+  LCLVersion = '1.0.1.3'
+  object Chart1: TChart
+    Left = 0
+    Height = 356
+    Top = 0
+    Width = 552
+    AxisList = <    
+      item
+        Grid.Color = clSilver
+        Marks.Format = '%0:.0n'
+        Marks.Source = ListChartSource2
+        Marks.Style = smsCustom
+        Minors = <        
+          item
+            Grid.Visible = False
+            Intervals.Count = 9
+            Intervals.MinLength = 5
+            Intervals.Options = [aipUseCount]
+          end>
+        Title.LabelFont.Orientation = 900
+        Title.LabelFont.Style = [fsBold]
+        Title.Visible = True
+        Title.Caption = 'Number of transistors'
+        Transformations = ChartAxisTransformations1
+      end    
+      item
+        Grid.Color = clSilver
+        Intervals.MaxLength = 60
+        Alignment = calBottom
+        Minors = <>
+        Title.LabelFont.Style = [fsBold]
+        Title.Visible = True
+        Title.Caption = 'Year of market introduction'
+      end>
+    BackColor = clWhite
+    Foot.Alignment = taLeftJustify
+    Foot.Brush.Color = clBtnFace
+    Foot.Font.Color = clBlue
+    Foot.Text.Strings = (
+      'Source:'
+      'http://www.intel.com/pressroom/kits/quickreffam.htm'
+    )
+    Foot.Visible = True
+    Margins.Left = 24
+    Margins.Right = 24
+    Title.Brush.Color = clBtnFace
+    Title.Font.Color = clBlue
+    Title.Font.Style = [fsBold]
+    Title.Text.Strings = (
+      'Progress in Microelectronics'
+    )
+    Title.Visible = True
+    Align = alClient
+    ParentColor = False
+    object Chart1LineSeries1: TLineSeries
+      Marks.Format = '%2:s'
+      Marks.LinkPen.Color = clGray
+      Marks.Style = smsLabel
+      AxisIndexY = 0
+      LineType = ltNone
+      Pointer.Brush.Color = clRed
+      Pointer.Style = psCircle
+      ShowPoints = True
+      Source = ListChartSource1
+    end
+    object Chart1FitSeries1: TFitSeries
+      AxisIndexX = 1
+      AxisIndexY = 0
+      FitEquation = feExp
+      OnFitComplete = Chart1FitSeries1FitComplete
+      ParamCount = 2
+      Source = ListChartSource1
+    end
+  end
+  object ListChartSource1: TListChartSource
+    DataPoints.Strings = (
+      '1972|2300|?|4004'
+      '1974|6000|?|8080'
+      '1978|29000|?|8086'
+      '1982|134000|?|80286'
+      '1986|275000|?|80386'
+      '1989|1200000|?|80486'
+      '1993|3100000|?|Pentium'
+      '1997|7500000|?|Pentium II'
+      '2001|42000000|?|Xeon'
+      '2006|152000000|?|Core Duo'
+      '2009|731000000|?|Core i7'
+    )
+    left = 240
+    top = 40
+  end
+  object ChartAxisTransformations1: TChartAxisTransformations
+    left = 243
+    top = 96
+    object ChartAxisTransformations1LogarithmAxisTransform1: TLogarithmAxisTransform
+      Base = 10
+    end
+  end
+  object ListChartSource2: TListChartSource
+    left = 243
+    top = 176
+  end
+end
--- a/components/tachart/tutorials/moores_law/main.pas
+++ b/components/tachart/tutorials/moores_law/main.pas
@ -0,0 +1,73 @@
+unit main;
+
+{$mode objfpc}{$H+}
+
+interface
+
+uses
+  Classes, SysUtils, FileUtil, TAGraph, TASeries, TASources, Forms, Controls,
+  Graphics, Dialogs, TACustomSource, TATransformations, TAFuncSeries;
+
+type
+
+  { TForm1 }
+
+  TForm1 = class(TForm)
+    Chart1: TChart;
+    Chart1FitSeries1: TFitSeries;
+    Chart1LineSeries1: TLineSeries;
+    ChartAxisTransformations1: TChartAxisTransformations;
+    ChartAxisTransformations1LogarithmAxisTransform1: TLogarithmAxisTransform;
+    ListChartSource1: TListChartSource;
+    ListChartSource2: TListChartSource;
+    procedure Chart1FitSeries1FitComplete(Sender: TObject);
+    procedure FormCreate(Sender: TObject);
+  private
+    { private declarations }
+  public
+    { public declarations }
+  end;
+
+var
+  Form1: TForm1;
+
+implementation
+
+{$R *.lfm}
+
+uses
+  Math;
+
+{ TForm1 }
+
+procedure TForm1.FormCreate(Sender: TObject);
+const
+  MIN = 0;
+  MAX = 12;
+var
+  i: Integer;
+  value: double;
+begin
+  for i := MIN to MAX do begin
+    value := IntPower(10, i);
+    ListChartSource2.Add(value, value);
+  end;
+end;
+
+procedure TForm1.Chart1FitSeries1FitComplete(Sender: TObject);
+begin
+  {
+  with Chart1FitSeries1 do
+    ShowMessage(Format(
+      'Fit result: a = %.9g, b = %.9g',
+      [Param[0], Param[1]]
+    ));
+  }
+  Chart1.Title.Text.Add(Format(
+    'The number of transistors doubles every %.0f years',
+    [ln(2) / Chart1FitSeries1.Param[1]]
+  ));
+end;
+
+end.
+
--- a/components/tachart/tutorials/moores_law/moore.lpi
+++ b/components/tachart/tutorials/moores_law/moore.lpi
@ -0,0 +1,97 @@
+<?xml version="1.0"?>
+<CONFIG>
+  <ProjectOptions>
+    <Version Value="9"/>
+    <PathDelim Value="\"/>
+    <General>
+      <SessionStorage Value="InProjectDir"/>
+      <MainUnit Value="0"/>
+      <Title Value="moore"/>
+      <ResourceType Value="res"/>
+      <UseXPManifest Value="True"/>
+    </General>
+    <i18n>
+      <EnableI18N LFM="False"/>
+    </i18n>
+    <VersionInfo>
+      <StringTable ProductVersion=""/>
+    </VersionInfo>
+    <BuildModes Count="1">
+      <Item1 Name="Default" Default="True"/>
+    </BuildModes>
+    <PublishOptions>
+      <Version Value="2"/>
+      <IncludeFileFilter Value="*.(pas|pp|inc|lfm|lpr|lrs|lpi|lpk|sh|xml)"/>
+      <ExcludeFileFilter Value="*.(bak|ppu|o|so);*~;backup"/>
+    </PublishOptions>
+    <RunParams>
+      <local>
+        <FormatVersion Value="1"/>
+      </local>
+    </RunParams>
+    <RequiredPackages Count="2">
+      <Item1>
+        <PackageName Value="TAChartLazarusPkg"/>
+      </Item1>
+      <Item2>
+        <PackageName Value="LCL"/>
+      </Item2>
+    </RequiredPackages>
+    <Units Count="2">
+      <Unit0>
+        <Filename Value="moore.lpr"/>
+        <IsPartOfProject Value="True"/>
+        <UnitName Value="moore"/>
+      </Unit0>
+      <Unit1>
+        <Filename Value="main.pas"/>
+        <IsPartOfProject Value="True"/>
+        <ComponentName Value="Form1"/>
+        <HasResources Value="True"/>
+        <ResourceBaseClass Value="Form"/>
+        <UnitName Value="main"/>
+      </Unit1>
+    </Units>
+  </ProjectOptions>
+  <CompilerOptions>
+    <Version Value="11"/>
+    <PathDelim Value="\"/>
+    <SearchPaths>
+      <IncludeFiles Value="$(ProjOutDir)"/>
+      <UnitOutputDirectory Value="lib\$(TargetCPU)-$(TargetOS)"/>
+    </SearchPaths>
+    <CodeGeneration>
+      <SmartLinkUnit Value="True"/>
+    </CodeGeneration>
+    <Linking>
+      <Debugging>
+        <StripSymbols Value="True"/>
+      </Debugging>
+      <LinkSmart Value="True"/>
+      <Options>
+        <Win32>
+          <GraphicApplication Value="True"/>
+        </Win32>
+      </Options>
+    </Linking>
+    <Other>
+      <CompilerMessages>
+        <UseMsgFile Value="True"/>
+      </CompilerMessages>
+      <CompilerPath Value="$(CompPath)"/>
+    </Other>
+  </CompilerOptions>
+  <Debugging>
+    <Exceptions Count="3">
+      <Item1>
+        <Name Value="EAbort"/>
+      </Item1>
+      <Item2>
+        <Name Value="ECodetoolError"/>
+      </Item2>
+      <Item3>
+        <Name Value="EFOpenError"/>
+      </Item3>
+    </Exceptions>
+  </Debugging>
+</CONFIG>
--- a/components/tachart/tutorials/moores_law/moore.lpr
+++ b/components/tachart/tutorials/moores_law/moore.lpr
@ -0,0 +1,20 @@
+program moore;
+
+{$mode objfpc}{$H+}
+
+uses
+  {$IFDEF UNIX}{$IFDEF UseCThreads}
+  cthreads,
+  {$ENDIF}{$ENDIF}
+  Interfaces, // this includes the LCL widgetset
+  Forms, main, tachartlazaruspkg
+  { you can add units after this };
+
+{$R *.res}
+
+begin
+  Application.Initialize;
+  Application.CreateForm(TForm1, Form1);
+  Application.Run;
+end.
+
--- a/components/tachart/tutorials/readme.txt
+++ b/components/tachart/tutorials/readme.txt
@ -13,6 +13,19 @@ topic:
 - legend
 - axis titles

+--------------------------------------------------------------------------------
+folder "moores_law"
+--------------------------------------------------------------------------------
+tutorial
+  http://wiki.lazarus.freepascal.org/TAChart_Tutorial:_ListChartSource,_Logarithmic_Axis,_Fitting
+  
+topics
+- enter data at design-time
+- point series
+- series marks
+- logarithmic axis
+- fitting
+
 --------------------------------------------------------------------------------
 folder "func_series"
 --------------------------------------------------------------------------------