AutoCAD 2008 and higher versions

In my first article, I have explained what the annotative entities are and how scaling works out. We started with the simplest example of hatch. And in this article, I will explain about the line styles and texts.

As you know, texts are one of the most important components that are used in layouts. If these components could have been updated according to drawings scale would be of great use. However, let’s not forget that ANNOTATION SCALE only works within the MODEL SPACE. For this reason, when we are taking printouts by using LAYOUT method, then the texts that we draw in PAPER SPACE will not be affected by scale changing.

Figure 1

You can see MODELSPACE and PAPERSPACE in Figure 1. MODELSPACE is and MVIEW window and it represents the black window. And PAPERSPACE represents layout space. Due to the fact that each LAYOUT already has its own plot scale, the important point is plot scale of MVIEW windows. You can find articles related to this subject by following the links at the end of this article. Now, let’s start by writing a simple text in MODELSPACE (Fig. 2).

Figure 2

Select this text and enter its properties. Change its properties as I explained in the previous article (Fig. 3).

Figure 3

After changing Annotative = Yes, let’s add 1:10, 1:20 ( default ) values to Annotative scale list. By the time, what you see as “Paper text height = 17.9” is the base value taken as 1 unit = xx mm plot scale. As you can see; we accept as 1=10 mm ( CM units ), so MODELSPACE value becomes 35.8, thus two times its original value, for 1:20. You can find more detailed information about these scales in article Scaling in Autocad drawings and layouts. I know you are really confused, but the situation is really simple. For example, you are making your drawing by accepting cm. Let’s say that you are going to take 1:50 prints. You must select 1:50 from ANNOTATION SCALE list. If you want the text height to be 5 mm in 1:50 print, then you make text height 25 units. Then, you make the text ANNOTATIVE, and you add the other scales for which you would like to take print out to the scale list, that’s all. Now, go to LAYOUT screen and add a NVIEW to your PAPERSPACE (Advanced plotting using Layouts). Let’s see how the general toolbar looks like when you are inside the MVIEW window (Fig. 4).

Figure 4

When you enter 1/5XP ( 1:50 scale ) by using ZOOM command, then it will be VP SCALE = 1:500 ( let’s remembers that 1=10mm), ANNO SCALE = 1:50. And when you enter 1/2XP ( 1:20 scale ) by using ZOOM command, then it will be VP SCALE = 1:200 and ANNO SCALE = 1:20. The logic is same when creating a text style. Only difference is that, in addition to the previous one, you have to set text style as ANNOTATIVE (Fig. 5) and all the texts that are created by using this style will have scale property.
 

Figure 5

Before finishing the article, I would like to explain about the ANNOAUTOSCALE variable. Here is a table which explains the values that can be assigned to it.

Figure 6

Actually, this variable is a turn ON-OFF variable and the value that you enter manually ( 1/-1, 2/-2, 3/-3, 4/-4  ) can be changed from general toolbar by one click ( Fig. 7 ).
 

Figure 7

Related Articles: Annotation Objects in AutoCAD 2008 - 1, Understanding scale concept and units in Autocad, Scaling in Autocad drawings and layouts, Advanced plotting using Layouts

Technorati Tags: AutoCAD 2008, annotation, block, scale, layout

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Similar Posts

• Annotation Objects in AutoCAD 2008 - 1
• Annotation Objects in AutoCAD 2008 - 3
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• Complex viewports inside layouts.
• Advanced plotting using Layouts

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Annotation, AutoCAD 2008, Blocks, Printout