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Beginner here. How do I draw a dashed line?


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Posted

I have created a layer for the dashed lines, but they continue to be solid lines. Please help.

Posted (edited)

Have you changed the line type in the layer properties manager?

Is the dashed line available in your linetype list?

Is your dashed lines layer current, in other words, are you drawing on the proper layer?

 

If those things are true, then look at your Line type scale. If the scale is small in relation to how large your drawing is, then the dashes might be too small to see on the screen. Zoom way, way, all the way in on the line to see if the dashes are there. The default linetype scale is 1.0. Changing the scale to 2.0 will make the dashes and spaces 2 times bigger than the default, 3, 3 times bigger and so on. You can of course, change it to a decimal factor as well, .8 is 8 tenths as big, .5 half as big, etc. No, it doesn't have anything to do with units. Think of it as a proportional relationship. The line types were drawn up somewhere else, and who knows what the units were.

 

To change the line type scale, select your line, right click, click Properties, then it'll be in the 4th line down under General.

OR, Select your line, and while it is selected, type ltscale either into the command line or into dynamic input if you use it. You can then change the line scale factor. You can change the other dashed lines by using the match properties function and a selection window to get a bunch at a time. Turn off all but the dashed layer to make this easier.

 

The line type scaling is usefull to change the appearance of line types that carry graphic segments, which is pretty much every line type except for continuous.

 

If you have to "LOAD" the dashed line type, this is how. In the layer properties manager, click on the current line type for any layer, or from the linetype dropdown on the toolbar or ribbon click Other, then click load. A dialog box will appear to allow changing the line type. If the type you want is not shown, there are 4 buttons at the bottom of the dialog box. Click the "LOAD" button. This will display a list of line types available in the design center database. Scroll up or down until you find a line type that fits your needs. There are several different dashed line types available there. Once you find the one you like, click on it, and Bob's yer uncle.

 

Now, when you get to setting up a layout to plot, you will have to think about your line type scale again. Now is the time to figure out what scale you will be plotting in, not then, and scale your linetype accordingly. If you will be plotting full size, 1:1 then don't worry about it. If your plot will be scaled down, then you may have to scale your linetypes up so the segments won't plot too small. If you plot at 1:2, then your linetype scale may have to be doubled to appear as you want it.

Edited by Dana W
Posted

Sounds like a linetype scaling problem which is pretty common to those who use both model and paper space.

 

MSLTSCALE, LTSCALE and PSLTSCALE are all culprits in one way or the other so check all the settings. You can also refer to similar posts below.

Posted

I'm a newbie too, but can you not cheat and hatch a line to pattern ISO15W100 ? Thats what I'd do :D

Posted

Sounds like an unusual way to solve a simple problem.

Posted

The mind boggles a bit when thinking of hatching a line. :shock:

 

It just shows there are plenty of different ways of doing something in AutoCAD, some more efficient than others. :D

Posted

And some that are just plain inefficient.:lol:

Posted
I'm a newbie too, but can you not cheat and hatch a line to pattern ISO15W100 ? Thats what I'd do :D

 

Only if you want your graphics memory to fill up and the drawing to need regening every 10 seconds.

Posted

I got a drawing from an outside vendor where the dashed lines were a series of separate lines with spaces between! Must have got his CAD training at the DMV.

Posted
I got a drawing from an outside vendor where the dashed lines were a series of separate lines with spaces between! Must have got his CAD training at the DMV.

 

 

wonder if he/she used the array command, or copied it over and over and over at a specified distance...

Posted
I got a drawing from an outside vendor where the dashed lines were a series of separate lines with spaces between! Must have got his CAD training at the DMV.

 

Probably drawn with another CAD programme and "translated" to AutoCAD :unsure:

Posted
I got a drawing from an outside vendor where the dashed lines were a series of separate lines with spaces between!

 

I've seen people explode a linetype before for various reasons. There used to be a bug in LDT where custom linetypes would not show up in an xref, so we have been known to explode linetypes towards the end of the job so that they would show up correctly in other drawings.

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