PlotPanel/zh CN: what changed
Revision 0 to 1. Removed lines have a minus sign; added lines have a plus sign.
Title: PlotPanel/zh CN
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| 1 | + | ## Plotpanel | |
| 2 | + | ||
| 3 | + | *目前,PlotPanel不在积极开发和维护,只提供兼容性。* | |
| 4 | + | ||
| 5 | + | *请考虑使用 [[TAChart/zh CN|TAChart]] 包中的[[TAChart documentation|相应功能]]。* | |
| 6 | + | ||
| 7 | + | PlotPanel是Lazarusk中用来代替(或多或少)TChart的组件。 通过一些修改可以在Kylix、Delphi 5、6、7中使用。 | |
| 8 | + | ||
| 9 | + | PlotPanel可以画线、点和条形图。也可以做动画图形。 | |
| 10 | + | ||
| 11 | + | 软件没有任何书面保证,所以使用时需要您自担风险。 | |
| 12 | + | ||
| 13 | + | ### 屏幕截图 | |
| 14 | + | ||
| 15 | + | <figure> | |
| 16 | + | <img src="Plotpanel2.png" title="Plotpanel2.png" /> | |
| 17 | + | <figcaption>Plotpanel2.png</figcaption> | |
| 18 | + | </figure> | |
| 19 | + | ||
| 20 | + | ## 安装 | |
| 21 | + | ||
| 22 | + | 在Lazarus中安装PlotPanel,你需要做到以下几点: | |
| 23 | + | ||
| 24 | + | - 下载PlotPanel包 (plotpanel.zip) 在:http://science4all.nl/?Programming:MICAM:Lazarus 或 [Lazarus CCR SourceForge 站点](http://sourceforge.net/project/showfiles.php?group_id=92177&package_id=181065)。 | |
| 25 | + | - 解压plotpanel.zip到你选择的目录中。 | |
| 26 | + | - 打开Lazarus | |
| 27 | + | - 执行安装包时所必须的操作 (参看 [[Install Packages/zh CN|安装包]]). | |
| 28 | + | ||
| 29 | + | 当你完成上面的操作后,palet组件会在组件工具栏“Extra(额外)”选项卡里。 现在,您可以使用Plotpanel了。 | |
| 30 | + | ||
| 31 | + | 运行PlotPanelDemo 来探索PlotPanel新功能。N.B.你可以尝试在没有安装PlotPanel 组件的情况下,运行TryPlotPanel! | |
| 32 | + | ||
| 33 | + | **Plotpanel在Lazarus 0.9.28.x上有个问题** | |
| 34 | + | ||
| 35 | + | **在我的网站上 (http://science4all.nl/?Programming::Lazarus) 你可以找到更新的版本: PlotPanel-0.97** | |
| 36 | + | ||
| 37 | + | ## PlotPanel组件描述 | |
| 38 | + | ||
| 39 | + | 这是一个欠佳的组件描述。示例将演示如何使用组件。 | |
| 40 | + | ||
| 41 | + | PlotPanel 组件来源于 TCustomPanel组件。 | |
| 42 | + | ||
| 43 | + | 面板绘图功能被添加。 | |
| 44 | + | ||
| 45 | + | ## 属性继承自TCustomPanel | |
| 46 | + | ||
| 47 | + | ||
| 48 | + | Align, Anchors, Autosize, BevelInner / Outer / Width | |
| 49 | + | ||
| 50 | + | Borderspacing, BorderStyle, Borderwidth | |
| 51 | + | ||
| 52 | + | Color is the color of the border of the plot | |
| 53 | + | ||
| 54 | + | Constraints, Cursor, Dragmode, Enabled | |
| 55 | + | ||
| 56 | + | Font is the font of the title of the plot | |
| 57 | + | ||
| 58 | + | Height, HelpContext, HelpKeyword, HelpType, Hint | |
| 59 | + | ||
| 60 | + | Left, Name, ParenColor, Parentfont, ParentShowHint | |
| 61 | + | ||
| 62 | + | PopupMenu, ShowHint, TabOrder, TabStop | |
| 63 | + | ||
| 64 | + | Tag, Top, Visible, Width | |
| 65 | + | ||
| 66 | + | ## 添加以下属性 | |
| 67 | + | ||
| 68 | + | ||
| 69 | + | **BackColor** 绘图区域的背景颜色 | |
| 70 | + | ||
| 71 | + | **GridColor** 网格颜色,当和背景色相同时,会看不到网格 | |
| 72 | + | ||
| 73 | + | **LayerOption** 对于容易绘制的单层可以设置为假,它是不可能被直接设置为真(参见方法) | |
| 74 | + | ||
| 75 | + | **Margin** 绘图区边框宽度(单位:像素)。 | |
| 76 | + | ||
| 77 | + | **PlotMode** 三种模式: pmBar, pmLine 和 pmDot | |
| 78 | + | ||
| 79 | + | **PlotPen** Properties of the plotting pen. If LayerOption is False, then all sub-properties can be set. If LayerOption is True, then information about the plotting penis transferred via the LayerOptions method (methods) | |
| 80 | + | ||
| 81 | + | ~~绘图笔属性。如果LayerOption为False,那么所有的子属性可以设置。如果LayerOption为True,则有关绘图笔信息通过LayerOptions方法转移(方法)~~ | |
| 82 | + | ||
| 83 | + | **Title** 标题在图的顶部居中位置,并使用Font属性 | |
| 84 | + | ||
| 85 | + | **PlotBMP** 这是一个位图的整体图(见演示使用) | |
| 86 | + | ||
| 87 | + | **x轴属性:** | |
| 88 | + | ||
| 89 | + | ||
| 90 | + | **XLabel** X轴标签 | |
| 91 | + | ||
| 92 | + | **XMarks** 为真时,X轴标记 | |
| 93 | + | ||
| 94 | + | **XMarksFont** 标记字体 | |
| 95 | + | ||
| 96 | + | **XMarksInterval** 网络线间隔(适用于线性标尺) | |
| 97 | + | ||
| 98 | + | **XMax** X最大可见值 | |
| 99 | + | ||
| 100 | + | **XMin** X最小可见值 | |
| 101 | + | ||
| 102 | + | **XScaleLog** When TRUE the scale is logarithmic (the interval is determined by the component). | |
| 103 | + | ||
| 104 | + | ~~如果为真线性是对数(间隔由组件来确定)~~ | |
| 105 | + | ||
| 106 | + | **y轴的相同应用。** | |
| 107 | + | ||
| 108 | + | ## 方法 | |
| 109 | + | ||
| 110 | + | **AddXY(X,Y:Extended)** | |
| 111 | + | ||
| 112 | + | 使用这这个方法,你可以绘制点或线。 | |
| 113 | + | ||
| 114 | + | 示例 | |
| 115 | + | ||
| 116 | + | ``` pascal | |
| 117 | + | for i:= -10 to 10 do | |
| 118 | + | PlotPanel1.AddXY(i,i*i) | |
| 119 | + | ``` | |
| 120 | + | ||
| 121 | + | This plots a parbola .The line is plotted with the PlotPen properties. | |
| 122 | + | ||
| 123 | + | ~~此绘制了parbola ,PlotPen 属性绘制线。注意你只能绘制单层。~~ | |
| 124 | + | ||
| 125 | + | **AddXY(X,Y:Extended, Color:Tcolor,Layer:Integer)** | |
| 126 | + | ||
| 127 | + | 用这种方法,可以绘制多达8条不同颜色的线,plotmodes和penwidths(见LayerOptions如何设置线宽和plotmodes) | |
| 128 | + | ||
| 129 | + | **LayerOptions(Layer:Integer;PlotMode:TPlotMode;PenWidth:Integer)** | |
| 130 | + | ||
| 131 | + | 每一层可以使用不同的Plotmode和PenWidth当你调用这个方法LayerOPtion将被设置为TRUE。 | |
| 132 | + | ||
| 133 | + | 当你想再次使用单层你必须设置LayerOption为假! | |
| 134 | + | ||
| 135 | + | **Autoscale(Layer:Integer)** | |
| 136 | + | ||
| 137 | + | 有了这个方法,可以自动调整图形大小。 | |
| 138 | + | ||
| 139 | + | **ClearData** | |
| 140 | + | ||
| 141 | + | 清除绘图数据 | |
| 142 | + | ||
| 143 | + | **ConvertS2W(x,y: Extended; var WX,WY : Extended)** | |
| 144 | + | ||
| 145 | + | 转换屏幕坐标X,Y为实际坐标WX,WY。当X和Y超出边界时,函数返回False,否则真。 | |
| 146 | + | ||
| 147 | + | **Freeze(Boolean)** | |
| 148 | + | ||
| 149 | + | When Freeze(True) is executed all plotting is done on a invisible bitmap. | |
| 150 | + | ||
| 151 | + | ~~当Freeze(True)时执行所有绘图上完成一个无形位图。~~ | |
| 152 | + | ||
| 153 | + | After a Freeze(False) the whole plot is displayed. This produces flicker-free animations. | |
| 154 | + | ||
| 155 | + | ~~当Freeze(False)时,将显示整个绘图。这将产生无闪烁的动画。~~ | |
| 156 | + | ||
| 157 | + | **HideLayer(Layer:Integer)** | |
| 158 | + | ||
| 159 | + | 使用这个隐藏单层绘图 | |
| 160 | + | ||
| 161 | + | **UnHideLayer(Layer:Integer)** | |
| 162 | + | ||
| 163 | + | 显示隐藏层 N.B. When you add points to a hidden layer, the old layer is deleted and the new points are the only points in this layer! | |
| 164 | + | ||
| 165 | + | ~~当指向一个隐藏层,老层被删除,新点也是唯一的点在这一层!~~ | |
| 166 | + | ||
| 167 | + | **Paint** | |
| 168 | + | ||
| 169 | + | 重绘整图(必要时由系统自动完成) | |
| 170 | + | ||
| 171 | + | Marien van Westen | |
| 172 | + | ||
| 173 | + | --- | |
| 174 | + | *From the Free Pascal wiki, page "PlotPanel/zh CN", as it stood on 2020-02-23 after a change by Trev, out of the wiki's dump of 2024-05-26. Copyright stays with the author who wrote it, according to the old wiki's [[Licensing]] page. If you have concerns about this material, [message the admin](/wiki-contact).* | |
| 175 | + | Category: Charting/zh CN | |
| 176 | + | Category: Components/zh CN | |
| 177 | + | Category: Graphics/zh CN | |
| 178 | + | Category: zh |
