Calc:格式化三维图表
出自OOo 中文指南手册翻译
菜单项 格式 > 三维视图 用于细调三维图表的效果。三维视图 对话框有三个设置页，分别用于改变透视角度、使用简单还是逼真的填充图案及投影的光源位置。 Use Format > 3D view to fine tune 3D charts. The 3D View dialog has three pages, where you can change the perspective of the chart, whether the chart uses the simple or realistic schemes, or your own custom scheme, and the illumination which controls where the shadows will fall.
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[编辑] 旋转与透视角度 Rotation and perspective
请在三维视图 对话框中的 透视 设置页中修改各轴的数值来旋转三维图表，并设置透视程度。 To rotate a 3D chart or view it in perspective, enter the required values on the Perspective page of the 3D View dialog. You can also rotate 3D charts interactively.
下面列出了使用 透视 设置页的一些建议： Some hints for using the Perspective page:
- 设置各个角度为0时可以得到主视图，饼图和圆环图显示为同心圆。 Set all angles to 0 for a front view of the chart. Pie charts and donut charts are shown as circles.
- 当勾选 直角坐标轴 时只能调整 X 轴和 Y 轴两个方向的旋转角度，即平行于图表的边框。 With Right-angled axes enabled, you can rotate the chart contents only in the X and Y direction; that is, parallel to the chart borders.
- 当 X 的值设置为 90，Y 和 Z 的值设置为 0 时，得到的是俯视图；当 X 的值设置为 -90，Y 和 Z 的值设置为 0 时，得到的是底视图。 An x value of 90, with y and z set to 0, provides a view from the top of the chart. With x set to –90, the view is from the bottom of the chart.
- 旋转的顺序是先 X 方向，然后是 Y 方向，最后是 Z 方向。 The rotations are applied in the order x first, then y, and z last.
- 当启用阴影时，光源也跟着旋转，即与图表的位置固定。 When shading is enabled and you rotate a chart, the lights are rotated as if they are fixed to the chart.
- 与一些绘图软件不同的是，旋转轴是相对于页面，而不是图表的轴。 The rotation axes always relate to the page, not to the chart’s axes. This is different from some other chart programs.
- 勾选 透视 选项后，图表显示为通过一个摄影机的镜头看的中央透视图，而不是平行投影图。 Select the Perspective option to view the chart in central perspective as through a camera lens instead of using a parallel projection.
通过修改焦距的数值能调整透视视图的效果。当设置为 100% 时，远端的图形宽度大约是近端的一半。 Set the focus length with the spin button or type a number in the box. 100% gives a perspective view where a far edge in the chart looks approximately half as big as a near edge.
注：旧版本的 OpenOffice.org 的透视设置与本版本的百分比不同。 Note: Older versions of OpenOffice.org cannot display the percentage of perspective the same way as the current version.
[编辑] 外观 Appearance (15)
使用外观页面对一个三维图表的外观的一些方面进行修改。 Use the Appearance page to modify some aspects of a 3D chart’s appearance. (16)
从列表框中选择一个方案。当选择一个方案后，相应的选项和光源就设置好了。如果您标记或取消标记逼真或简单方案所给定的选项组合，就是创建一个自定义方案。 Select a scheme from the list box. When you select a scheme, the options and the light sources are set accordingly. If you mark or unmark a combination of options that is not given by the Realistic or Simple schemes, you create a Custom scheme. (18)
选择底纹用古罗方法渲染表面，否则就使用一个简单的方法。简单的方法为每个多边形设置单一颜色和亮度。边缘是可见的，柔和渐变和射灯则不可能。古罗方法使用渐变使外观更平滑、更真实。关于底纹的更多细节请参考Draw指南。 Select Shading to use the Gouraud method for rendering the surface, otherwise a flat method is used. The flat method sets a single color and brightness for each polygon. The edges are visible, soft gradients and spot lights are not possible. The Gouraud method applies gradients for a smoother, more realistic look. Refer to the Draw Guide for more details on shading. (19)
选择对象边框沿边缘画出线条。 Select Object Borders to draw lines along the edges. (20)
选择圆角边缘使箱形状的边缘产生光滑过渡。在有些情况下此选项不可用。 Select Rounded Edges to smooth the edges of box shapes. In some cases this option is not available. (21)
[编辑] 照明 Illumination (22)
使用照明页面设置3D视图的光源。有关设置照明的更多细节请参考Draw指南。 Use the Illumination page to set the light sources for the 3D view. Refer to the Draw Guide for more details on setting the illumination. (23)
点击8个开关按钮中的任何一下，打开或关闭一个相应的直射光源。默认情况下，第二个光源是打开的。这是7个正常、均匀光源中的第一个。第一个光源投射一个带光亮点的镜面光源。 Click any of the eight buttons to switch a directed light source on or off. By default, the second light source is switched on. It is the first of seven normal, uniform light sources. The first light source projects a specular light with highlights. (25)
对于选定的光源，你可以从8个按钮下方的列表中选择一个颜色和强度。所有灯的亮度值都相应增加，所以您启用多个灯光时，使用暗色系列。 For the selected light source, you can then choose a color and intensity in the list just below the eight buttons. The brightness values of all lights are added, so use dark colors when you enable multiple lights. (26)
此页内的预览有两个小的滑块，用于设置选定光源的垂直和水平位置。光源总是朝着对象的中间。 The small preview inside this page has two sliders to set the vertical and horizontal position of the selected light source. The light source always aims to the middle of the object. (27)
在小预览框的角落里的按钮，将内部的光照模型在一个球和立方体之间切换。 The button in the corner of the small preview switches the internal illumination model between a sphere and a cube. (28)
使用环境光线列表，确定了环境光线，它在各个方向有均匀的发光强度。 Use the Ambient light list to define the ambient light which shines with a uniform intensity from all directions. (29)
[编辑] 交互旋转3D图表 Rotating 3D charts interactively (30)
除了使用三维视图对话框的透视页，还可以交互方式旋转三维图表。 In addition to using the Perspective page of the 3D View dialog to rotate 3D charts, you can also rotate them interactively. (31)
选择图表墙，然后将鼠标指针悬停于一个角落控点或出现在图表上某个地方的旋转符号上。光标变化成一个旋转图标。 Select the Chart Wall, then hover the mouse pointer over a corner handle or the rotation symbol found somewhere on the chart. The cursor changes to a rotation icon. (32)
按住鼠标左键并向期望的方向拖动相应的角落。拖动过程中图表的轮廓以虚线显示，以帮助预览达到的效果。 Press and hold the left mouse button and drag the corner in the direction you wish. A dashed outline of the chart is visible during dragging, to help you see how the result will look. (33)
