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How to Hide/Unhide Command Line

August 21, 2009 in AutoCAD, CAD

Sometimes while doing our job in AutoCAD there is some instances that happens unexpectedly. And one of that is the accidental turning off of the command line, and with that, you are unable to see the command that you’re keying-in.

Fig.1

There is two way actually to hide the command window of AutoCAD or in these case to unhide. One of these is on the keyboard shortcut, by pressing CTRL+9. The other is at the Tools pulldown menu, then Command Line (fig.1). Alternatively if you are using AutoCAD Architecture 2008 and beyond, you can find the command line in Window pulldown menu as well (fig.2).

Fig.2

Thats all for now.

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Using Text Fit

July 22, 2009 in AutoCAD, CAD

TEXTFIT, is an AutoCAD express tools command that stretches or shrink text objects, by selecting a new start and end points for text. This command should be best use in a situation like, fitting a room label in an enclosed border by setting a new text width.

Text Fit, can be found under the Express pulldown menu, under the Text. Or alternatively at the command prompt, type-in, TEXTFIT.

text-fitpix2

Command: TEXTFIT
Select Text to stretch or shrink: Use an object selection method
Specify end point or [Start point]: Specify a new end point, or enter S to specify a new start point
Pick new starting point: Specify a new start point
ending point: Specify a new endpoint

text-fit-pix1

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by CADcaster

Using Object Snap (Osnap)

July 22, 2009 in AutoCAD, CAD

Object Snap or Osnap for short, is an AutoCAD command primarily use to specify precise locations on objects, from your drawing. Therefore this command works to make your drawing more accurate and reliable. For example, you can use an object snap to draw a line to the center of a circle, or to the midpoint or endpoint of any polyline segment.

Object Snap Toolbar

By default, a marker and a tooltip are displayed whenever you move the cursor over an object in your drawing. And from there you can specify a point, when AutoCAD prompt you for a point. To specify an Osnap at a prompt for a point, you can press SHIFT, and right click to display the Object Snap shortcut menu list. Or click an Object Snap button on the Object Snap toolbar. Or you can just key-in the name of an Object Snap at the command prompt. Just remember that Object Snap works only when AutoCAD ask you for a point, from any command that’s in effect. An error message will be displayed if you try to use an Osnap at the command prompt.

Object Snap

Importance of Object Snap

So, what’s the importance of Object Snap? a question that every AutoCAD users should ask. Object Snap or Osnap is essential to us AutoCAD users, for this function helps us makes our drawing more reliable, more accurate and exact, when it comes to doing our work we’ve been assigned to. Without Osnap in AutoCAD, or without knowing how to use this function your drawing will be more likely as a drawing without a real information.

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Free AutoLisp Routine (Text Transfer)

July 22, 2009 in AutoCAD, CAD

I think it is safe to say that, most of the advance AutoCAD users, knows how to use AutoLisp, they might even know how to do a routine by themselves as well. Just like some of my colleagues, back in the previous company that I’ve been work with. Some of my colleagues there are AutoLisp fanatics, they even develop an AutoLisp routine of their own. And I can even say that I know how to do a AutoLisp routine, albeit not that complex as some of my colleagues does.

Well, anyway I just like to share an AutoLisp routine that my colleagues shared with us back then. This routine called Text Transfer.

Text Transfer is an AutoLisp routine, that will allow you to copy a series of text content to one place to another. You’ll just have to select the text content that you want to be copied and transfer it to another location, by clicking the text on the selected location or the text you want to replace.

Copy the set of text below and save it to notepad, but make sure that you put (.lsp) as your file extension, or it wont work, then save it and put it on a folder that you can easily remember.

Text Transfer Lisp

(defun c:tt ( / A B)

(setq A (cdr (assoc 1 (entget (car (entsel “Select TEXT to be TRANSFER: “))))))

   (while (setq B (car (entsel “Select TEXT item to be REPLACE: “)))

    (setq C (entget B))

    (entmod (subst (cons 1 A)(assoc 1 C)C))

   (if (or (= (cdr (assoc 0 C)) “POLYLINE”)(= (cdr (assoc 0 C)) “INSERT”))

   (entupd B)))

(princ))

Then, at the command prompt, type APPLOAD, then a dialogue box will pop, then frome there select the routine that you saved, then click the Load button. then you’re all set.

At the command prompt, type Text Transfer or TT, then select the text to be transfer, after selecting, select text item to be replace. Then voila!!…

How to Change Dimension Text in AutoCAD

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by CADcaster

Creating Regions by using Boundary Command

July 22, 2009 in AutoCAD, CAD

Regions are two-dimensional enclosed areas that have physical properties such as centroids or centers of mass. Two or more existing regions can be combine into a single, complex region to calculate an area.

A region can be created from an bojects that form closed loops. Loops can be a combinations of lines, polylines, circles, arcs, ellipses, elliptical arcs, aand splices. Regions can be used for, applying hatch and shading. Regions can also be used in analyzing properties, such as area by using command Massprop and List. Regions can as well be used in extracting design information, such as centroid.

Boundary dialogue box

There are lot of ways in AutoCAD to create regions,but the easiest way I know of creating regions are by using Boundary command. This command can be found under the Draw pulldown menu. Or at the command prmopt, type Boundary or BO for shortcut. After keying-in Boundary command, a dialogue box will appear, just click the Region or Polyline on Object type, then click Pick points, and the n select the internal point you want to be created as region.

Selected Boundary

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by CADcaster

Using Baseline Dimension

July 22, 2009 in AutoCAD, CAD

A multi-faceted object on your drawing, will consumed most of your time dimensioning it, if you don’t know the techniques, or the commands that can be use to dimension it continuosly and automatically.

Just in case you encounter such object in your drawing, you can use the command Baseline Dimension and Continue Dimension. You can find these commands, under Dimension Pulldown menu, or at the Dimension Toolbar. Alternatively at the command prompt, type DIMBASELINE or DIMCONTINUE.

baseline_dimension_toolbar

Baseline Dimension or DIMBASELINE, is a AutoCAD command that creates multiple dimension measured from the same baseline. While Continue Dimension or DIMCONTINUE, is an AutoCAD command that creates a multiple dimension placed end to end. To create a baseline dimension continued dimension you should create first a linear, aligned, or an angular dimension to serve as a starting point, or click any extension line from any existing dimensions from your drawing.

Baseline Dimension

Continue Dimension

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using Dimension Space

July 22, 2009 in AutoCAD, CAD

Dimension presentation is vital in a drawing, a drawing plans cannot be use if the dimension is not readable. Thats why it is important for us AutoCAD Drafters and Architects that we assure that, the dimensions are shown in a nice and in a readable way. But sometimes, in an unavoidable situation like rushing up yourself to finish your drawing and eventually making it to submission day. This is the time when your drawing presentation might suffer, specially the dimension presentation.

Goodthing, AutoCAD has this routine, that can automatically adjust existing parallel linear and angualr dimension in a drawing, so they are equally spaced or aligned at the dimension line with each other.

(fig.1)

This routine called, the Dimension Space, or DIMSPACE, you can find this routine at the Dimension Pulldown menu, Dimension Space, you can also find it at the dimension toolbar (fig.1). Alternatively, at the command prompt, type DIMSPACE, then ENTER, then select the dimensions you want to adjust. The dimension that to be selected must be linear or angular, of the same type (rotated or aligned), parallel or concentric to one another, and on the extension line of each other. See the example below (fig.2 and fig.3).

(fig.2)

(fig.3)

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How to Add Breakline Symbol in Dimension Line

July 22, 2009 in AutoCAD, CAD

How to add a breakline symbol to a dimension line?, that’s the question. Sometimes in a AutoCAD Draftsman’s career, they will encounter such drawing that has an object that needs to be shown with breakline symbol in order to fit the drawing inside the drawing area. And ofcourse a drawing cannot be called as a working drawing if the drawing has no Annotations, Title, and specially if no Dimensisons.

In a drawing that has an object that shown with breakline symbol, it is recommended that it must come up also with a dimensioning with a breakline symbol or jog symbol. And that’s the time, the command DIMJOGLINE will be needed. You can find the DIMJOGLINE command at the Dimension Toolbar, or at the Dimension pulldown menu, Jogged Linear. Alternatively, you can just type DIMJOGLINE at the command prompt.

dim-toolbar-jog

DIMJOGLINE is an AutoCAD command that can create a breakline symbol like object, that can be use in a linear dimension line. Jog symbol are used to represent a dimension value that does not the actual measurement of an object. Typically, the actual measurement value of the dimension is smaller than the displayed value. Once you already made the JOG symbol you can modify it’s position by using GRIPS.

dimension_jog

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