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CMU ARC 48568 - AutoCAD 2D Tutorial

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AutoCAD 2D Tutorial - 186 - Chapter 25 Advanced Selection CommandsAutoCAD 2D Tutorial - 187 - Selection Modes 25.1 1. Choose Tools, Options... 2. Choose the Selection TAB from the following dialog. 3. Change the settings as desired. Noun/Verb Selection Allows you to select an object before starting a command. The command affects the previously selected object or objects. You can also set this option by using the PICKFIRST system variable. Use Shift to Add to Selection Adds or removes an object to the selection set when you press SHIFT and select an object. Press and Drag Draws a selection window by selecting a point and dragging the pointing device to a second point.AutoCAD 2D Tutorial - 188 - Implied Windowing Initiates the drawing of a selection window when you select a point outside an object. Object Grouping Selects all objects in a group when you select one object in that group. With GROUP you can create and name a set of objects for selection. Associative Hatch Determines which objects are selected when you select an associative hatch. If this option is selected, boundary objects are also selected when you select an associative hatch.AutoCAD 2D Tutorial - 189 - Groups 25.2 1. Type GROUP at the command prompt. Command: GROUP 2. Type a name for a new group. 3. Choose the New button under Create Group. 4. Pick objects to be included in the group. 5. Press ENTER when done choosing objects. 6. Pick OK. Lines in a group Turning Groups ON/OFF At any time, toggle group selection on and off by pressing either CTRL+H or SHIFT+CTRL+A.AutoCAD 2D Tutorial - 190 - Object Selection Cycling 25.3 It is difficult to select objects that are close together or lie directly on top of one another. The following example shows two lines and a circle that all lie within the selection pickbox 1. Press the CTRL key before choosing objects at the Select Objects prompt. 2. Pick repeatedly in the area where multiple objects are located. AutoCAD will cycle through all objects that were touching the pickbox. 3. Press ENTER when the desired object highlights. 4. Press ENTER again. Objects touching pickbox First object selected highlights Second object selectedAutoCAD 2D Tutorial - 191 - Draw Order 25.4 1. Choose Tools, Display Order. or 2. Click the Draworder Icon from the Modify II Toolbar. or 3. Type DRAWORDER at the command prompt. Command: DRAWORDER Select objects: pick an object.AutoCAD 2D Tutorial - 192 - Object Filters 25.5 1. Type FILTER at the Command prompt. 2. Select Line in the Object Selection Filters dialog box under Select Filter. 3. Choose Add to List. 4. Choose Apply. 5. Type ALL at the Select Objects prompt or select a window. Command: FILTER Applying filter to selection. Select objects: all 6 found 3 were filtered out.AutoCAD 2D Tutorial - 193 - Quick Select 25.6 1. Type QSELECT at the command prompt. Command: QSELECT 2. Enter the selection criteria (i.e. TEXT HEIGHT < .5) 3. Choose OK. TIP: AutoCAD puts those object(s) into a selection set. Use the ā€œPā€ previous option to select these objects.AutoCAD 2D Tutorial - 194 - Layer Filters 25.7 1. Choose the layer dialog box. 2. Choose the three dots (...) to invoke the filter dialog for layers. 3. Choose the type of filter you would like to use (e.g. layer name = 1st*)AutoCAD 2D Tutorial - 195 - Point Filters 25.8 AutoCAD point filters allow the user to specify one coordinate, such as the X, with one pick and a second coordinate, such as the Y, with another pick. The point filters are .X, .Y, .XY,.XZ and .YZ. Only .X and .Y are used for two dimensional drawings. 1. Type A command that asks for a point. Command:CIRCLE 2. Type .X when AutoCAD asks for a point. 3P/2P/TTR/<center point>: .X 3. Pick The point to filter (HINT: use osnaps) of MID of point on x axis 4. Pick The next point to filter (need YZ) MID of point on y axis 5. Pick A diameter or radius Diameter/<radius>: Pick or type a diameter X point filter Y point filter Circle center is placed at the intersection of the


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CMU ARC 48568 - AutoCAD 2D Tutorial

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