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Applying constraints to text rotation

From: AutoCAD 2011 New Features

Video: Applying constraints to text rotation

We can apply parametric constraints to our text in AutoCAD 2011. This means we can create dynamic labels that follow our geometry if our design changes. In this lesson, we are going to learn how to create parametrically constrained text objects. On my screen I have a civil engineering example. This is a drawing of a cul-de- sac in a proposed subdivision. Let's zoom in a little bit. This green line work represents the location of the proposed sanitary sewer design. These blocks at the endpoints represent the location of the sanitary manholes.

Applying constraints to text rotation

We can apply parametric constraints to our text in AutoCAD 2011. This means we can create dynamic labels that follow our geometry if our design changes. In this lesson, we are going to learn how to create parametrically constrained text objects. On my screen I have a civil engineering example. This is a drawing of a cul-de- sac in a proposed subdivision. Let's zoom in a little bit. This green line work represents the location of the proposed sanitary sewer design. These blocks at the endpoints represent the location of the sanitary manholes.

As you can see, I have already added several labels to this geometry. Let's zoom in on one of these. If I select this, we can see it's a simple single line text object. My label contains a couple of carets that represent the direction of flow inside the pipe. I also have my pipe length, my diameter, the composition of my pipe, and my pipe slope. Now, it never fails. Once you have finished labeling your entire drawing, your design changes. For instance, I am going to back up a little bit.

Let's select this line and we will select this manhole. I will click the grip at the endpoint and I will place it to the endpoint of this lot line. When I am finished, I will hit Escape. Notice my label stayed put. In the old days I would now have to move this label down and try and rotate it and realign it to this geometry. In AutoCAD 2011, I can create a parametric relationship between this label and this line. To do that, I am going to go to the Parametric tab and we will start by creating a coincident constraint.

I will select my line. Make sure and select towards the middle so that you get the midpoint constraint. Then I will select my text. Now, before I click this, take a look at the constraint location. That's the insertion point of this text. When I created this label, I used a bottom-center insertion point. As soon as I click the text object, it locks that point to the midpoint of this line. Now we will move up and we will create a parallel constraint. Once again, I will select my line and then I will select my text. And that's it.

This label is now locked to this line. Let's make another design change. I will select my geometry and the manhole. I will select the grip and we will place it to the endpoint of this line. As fast as my design changes, my labels change as well. One thing that isn't changing is this length. I am going to have to update that manually. Since my Dynamic Input toggle is turned on, if I select this line and hover over the grid, I can see this line is approximately 134 feet long.

So let's hit Escape. I will double-click my text and I will change this to 134. I will hit Enter. Then we will hit Escape to exit the text editor. Just think of how many times you align text labels to your geometry. If you can apply your labels using geometric constraints, any time your design changes, your labels will automatically go along for the ride.

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This video is part of

Image for AutoCAD 2011 New Features
AutoCAD 2011 New Features

39 video lessons · 4076 viewers

Jeff Bartels
Author

 
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  1. 2m 4s
    1. Welcome
      1m 28s
    2. Using the exercise files
      36s
  2. 14m 2s
    1. Adapting to the updated Drawing window
      4m 4s
    2. Introducing the Navigation bar
      5m 28s
    3. Accessing the web-based help system
      4m 30s
  3. 27m 36s
    1. Understanding the new visibility controls
      3m 5s
    2. Selecting objects that have similar properties
      3m 24s
    3. Creating new geometry based on existing objects
      2m 20s
    4. Making selections when entities overlap
      4m 11s
    5. Applying transparency to objects
      5m 44s
    6. Controlling text alignment within linetypes
      8m 52s
  4. 16m 38s
    1. Automating the creation of geometric constraints
      5m 35s
    2. Applying constraints to text rotation
      3m 8s
    3. Using the updated Parameters Manager
      7m 55s
  5. 38m 40s
    1. Streamlining hatch creation
      5m 56s
    2. Editing hatch objects dynamically
      4m 36s
    3. Editing polylines using multifunctional grips
      6m 14s
    4. Creating splines using fit points or control vertices
      10m 30s
    5. Editing splines using intuitive grip menus
      8m 17s
    6. Using the JOIN command to connect contiguous geometry
      3m 7s
  6. 18m 56s
    1. Exploring the updated 3D working environment
      6m 50s
    2. Simplifying the creation and editing of solid models
      5m 59s
    3. Introducing new tools to edit mesh models
      6m 7s
  7. 1h 25m
    1. Introducing surfaces
      2m 50s
    2. Understanding associative surfaces
      7m 9s
    3. Creating composite models using surfaces and solids
      9m 3s
    4. Producing a smooth blend between surfaces
      7m 20s
    5. Trimming and extending surfaces
      10m 55s
    6. Projecting geometry onto a surface
      5m 29s
    7. Filleting the edge between two surfaces
      6m 37s
    8. Creating offset and network surfaces
      8m 45s
    9. Pushing and pulling surfaces into freeform shapes
      10m 52s
    10. Analyzing surface continuity
      6m 15s
    11. Assembling the composite model
      10m 40s
  8. 22m 2s
    1. Introducing the new Materials Browser
      6m 10s
    2. Applying materials to an assembly
      6m 2s
    3. Customizing render materials
      5m 17s
    4. Creating a high-resolution image
      4m 33s
  9. 16s
    1. Goodbye
      16s

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