.Altium Designer1.AD 技巧-PCB设计基础:方格与格点的切换:View-Grids-Toggle Visible Grid Kind源点:Edit-Origin-Set边界的定义:Keep Out Layer-Utility Tools-Place Line 按TAB可定义线宽选取元件:PCB-PCB Filter-IS Component逐个放置元件:TOOLS-Component Placement-Reposition Selected Components自动布局:ToolS-Component PlacementArrange Within Room自动布局器:ToolS-Component PlacementAuto Placer元件排列(居中居左居右等):选中元件右键Align-或Alignment Tools元件在层之间的快速切换:拖动元件的过程按L键让焊盘放在格点上:选中元件,右键-Component Actions-Move Component Origin To Grid移动元件的远近