Every command I describe below has a long format and a short format. So you see that value for offset is 5 and you can either set a new value by typing it into the command line or using the Tool Options toolbar or you can start drawing parallel entities. When there is some value already set and valid, for example when you use command offset, the current value is in sharp brackets, like so: Specify distance or select entity or. You can do that by typing on the command line or by clicking on buttons on the context toolbar called Tool Options.
This means that the program is expecting a point (from the command line or by clicking on drawing area), or you can select the Undo or Close option. For example if you type command polyline and draw at least two segments you get prompted Specify next point or. They tell you what input they expect - a point for example - and list other possibilities in the square bracket. Many commands prompt you on the command line asking for further input. If you type too short a segment of a command, such as c and press Tab, the command output will show "ch, circle, cut" because the command segment you typed in isn't unique. It is possible to enter a partial command, like cir and press Tab to have the command completed to circle. You press the Escape key to leave the command line and another Escape to cancel what you have written on the command line. So now when you press a key you are entering commands. When the command line is active the "Command:" (left of where input appears) turns blue. Using the Command line You can press the Space-bar or to activate the command line. LibreCAD is designed with emphasis on mouse-clicking input, and some options can be at the moment only selected by clicking, not by typing on command line. This can be faster and/or more precise than drawing using exclusively a mouse and tool bars.
1 Introduction This is intended for people that want to draw by entering commands.
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