At the Command prompt, loads, sets, and modifies linetypes.
LTSCALE is an add-on for AutoCAD with new commands for scale modification for LINETYPE and HATCH, registration of mileage in BLOCKs, modification of longitudinal profiles, 3D axis and roadside. If you are using AutoCAD 2011 or newer, the linetype definitions have an option within them to remain UP (readable). This is represented in the linetype file (.lin file) as 'u=0'. If you need to have a linetype that is reversible, simply change the u to an r. When you make the linetype using MKLTYPE command AutoCAD creates a.lin file which contains the data required to create the linetype. To insert this linetype type LT and press enter. The linetype you enter becomes the current linetype. All new objects are drawn with this linetype, regardless of the current layer. If the linetype you request is not loaded, the program searches for its definition in the LIN file. If the linetype cannot be found, the program displays a message and returns you to the Command prompt.
The following prompts are displayed.
Displays the Select Linetype File dialog box (a standard file selection dialog box). After you select an LIN file, the linetypes available in the file are listed.
Creates a new linetype and stores it in an LIN file.
The Create or Append Linetype File dialog box (a standard file selection dialog box) is displayed. Specify the file to which you want the linetype added.
You cannot create complex linetypes with LINETYPE. (Not applicable to AutoCAD LT.)
Enter a linetype description up to 47 characters long. The description can be a comment or a series of underscores, dots, dashes, and spaces to show a simple representation of the linetype pattern.
Enter a pattern definition as a series of numbers separated by commas. Enter positive values to specify lengths of dashes, and enter negative values to specify lengths of spaces. Use a zero to represent a dot.
The 'A' in the pattern definition prompt specifies the pattern alignment used at the ends of individual lines, circles, and arcs. Only A-type alignment is supported. With A-type alignment, lines and arcs are guaranteed to start and end with a dash. The A is automatically included in the definition. If you use a text editor to create a linetype, you must enter a at the beginning of the definition.
After creating a linetype, you must load it to make it accessible.
- AutoCAD: acad.lin
- AutoCAD LT: acadlt.lin
The Select Linetype File dialog box (a standard file selection dialog box) is displayed. Enter or select the file in which the linetype you want to load is stored.
Sets the current linetype for objects that will be drawn subsequently. You can control the linetype of objects individually or by layer.
The linetype you enter becomes the current linetype. All new objects are drawn with this linetype, regardless of the current layer. If the linetype you request is not loaded, the program searches for its definition in the LIN file. If the linetype cannot be found, the program displays a message and returns you to the Command prompt.
Enter ? to list all loaded linetype names. If you enter bylayer, new objects inherit the linetype associated with the layer on which the object is drawn. If you enter byblock, new objects are drawn using the CONTINUOUS linetype until they are grouped into a block. Whenever you insert that block, the objects inherit the linetype of the block.
The feature of reversing the direction of an object was introduced in AutoCAD 2010 version. In most of the cases reversing the direction of an arc, line or polyline may seem useless because the symmetry makes it practically impossible to distinguish between original and reversed object.
But take an example of linetype containing text as shown in the image below. In this case, the reversing of direction suddenly starts to make sense as a reversed linetype will have text in the correct orientation.
Direction reversal will also have a visible effect on polylines having varying widths at its end points.
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This article will help you in understanding direction reversal tool of AutoCAD, I will explain this tool with the help of linetype shown in the image above.
Reversing direction of linetype:
Autocad Linetype Library
To start Reverse command Select reverse tool from expanded modify panel of the home tab or use its command equivalent REVERSE and click on the line which you want to reverse and press enter.
The direction of the line will be reversed as shown in the image above. The reversal of direction would mean the reversal of order in which line was made.
You can repeat the same method with arc, polyline, spline and helix as well. But if you try to use this command on a polyline with varying width at its ends then you may not get expected results.
Reversing direction of Polyline:
On reversing a polyline like the one shown below the order will be changed but not the direction of the polyline. To change order as well as the direction of this polyline you need to change the PLINEREVERSEWIDTHS system variable to 1, by default its value will be set to 0.
Once you have changed this system variable the reverse command will reverse order as well as the direction of your polyline curve, as shown in the image below.
Linetype Command Autocad For Mac Os
You can also use the reverse tool from polyline edit command. For using reverse option double click on polyline and select reverse from the command line as shown in the image below.
Do you have questions related to this tip? Let me know in comments below.
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Linetype Command Autocad For Mac Installer
