Altium Designer 文档
Retired Documentation No Longer Applicable to a Later Version of Altium Designer
Retired Documentation - Preferences
原理图 - 栅格
This document is no longer available beyond version 21. Information can now be found here: Schematic - Grids Preferences for version 25
The Schematic - Grids page of the Preferences dialog
Summary
The Schematic – Grids page of the Preferences dialog provides the settings for the grid configuration in the schematic editor.
Access
This page is part of the main Preferences dialog that is accessed by clicking the 
control in the upper-right corner of the application window then selecting the Grids entry under the Schematic folder.
Options/Controls
Grid Options
- Grid - select an option from the drop-down list to set the style of the visible grid for schematic documents. The following options are available:
- Dot Grid - the grid is shown as dotted lines.
- Line Grid - the grid is shown as solid lines.
- Grid Color - this field shows the current color used to draw the visible grid on schematic sheets. Click the color sample box to open a dialog in which you can change the visible grid color.
Imperial Grid Presets
The table contains lists of imperial values (in mils) for the Snap Grid, Snap Distance, and Visible Grid for schematic sheets. The values can be modified or the checkboxes can be enabled/disabled to toggle the visibility of each grid.
- Altium Presets - click this button to select from a sub-menu of grid presets to restore the presets for the Snap Grid, Snap Distance, and Visible Grid.
Metric Grid Presets
The table contains lists of metric values (in mm) for the Snap Grid, Snap Distance, and Visible Grid for schematic sheets. The grid values can be modified or the checkboxes can be enabled/disabled to toggle the visibility of each grid.
- Altium Presets - click this button to select from a sub-menu of grid presets to restore the presets for the Snap Grid, Snap Distance, and Visible Grid.