Making linear dimensions act like aligned dimensions

Video: Making linear dimensions act like aligned dimensions

When dimensioning a distance in AutoCAD we have two options: Aligned and Linear. An aligned dimension will label the true distance between two points whereas a linear dimension will label the horizontal or vertical distance between two points. That is, if you rely on the default settings. In reality, a linear dimension can do anything that an aligned dimension can do and linear dimensions are much easier to edit. In this lesson, we are going to learn how to create aligned dimensions using the Linear tool. On my screen I have a mechanical part.

Making linear dimensions act like aligned dimensions

When dimensioning a distance in AutoCAD we have two options: Aligned and Linear. An aligned dimension will label the true distance between two points whereas a linear dimension will label the horizontal or vertical distance between two points. That is, if you rely on the default settings. In reality, a linear dimension can do anything that an aligned dimension can do and linear dimensions are much easier to edit. In this lesson, we are going to learn how to create aligned dimensions using the Linear tool. On my screen I have a mechanical part.

I am going to zoom in on the upper left corner. Let's center this on screen. And let's say that I'd like to dimension the length of this line. Now typically, we would use an aligned dimension to do this so I'm going to launch the Aligned command and then I'll pick my two endpoints and I'll pull my dimension out to here. Now, this works great, until I have to edit the extension lines. For instance, I'd like to show a gap, right here, so that my extension line doesn't run over the top of the part.

If I select this dimension and then grab of the grip and pull it out to this endpoint. Notice that my measurement changes. That's because by definition an aligned dimension labels the distance between two points. One of the points is moved so the dimension is no incorrect. I am going to press Delete to erase this. And let's label this distance using a linear dimension instead. I'll launch the Linear command. I'll grab the same two endpoints. And notice that by default, AutoCAD is wanting to measure the horizontal or vertical distance. However, if I right- click, I can select Rotated and then I can pick two points to define the direction of the extension lines.

I'm going to pick this endpoint and this one and I'll pull my dimension out to here. Now, if I select this dimension and come back and edit this grip, you can see the measurement stays the same. Let's add one more. I am going to you push this up. I'd like to dimension the distance from the center point to this edge. Once again we'll launch the Linear option. I'll grab the center of this circle, I'll dimension to the endpoint here, then I'll right-click and select Rotated and I'd like to define the direction of the extension lines by selecting the endpoint and this one and I'll pull my dimension out to here.

When it comes right down to it, lLinear dimension could be used to label all of your distances and in some cases the Linear tool does a better job with aligned measurements than using the dedicated aligned dimensioning tool.

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This video is part of

AutoCAD: Tips, Tricks, and Industry Secrets

66 video lessons · 8103 viewers

Author

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1. Introduction

1m 28s
1. Welcome
53s
2. Using the exercise files
35s
2. 1. Interface

47m 11s
1. Adding relevant data to Quick Properties and tooltips
5m 38s
2. Creating custom ribbon tabs and panels
8m 55s
3. Creating macro-enabled tools
10m 29s
4. Increasing speed with command aliases
4m 44s
5. Finding commands and system variables using Auto Complete
2m 35s
6. Optimizing the size of palettes
3m 17s
7. Accessing drawings using Favorites
2m 25s
2m 24s
9. Restoring hidden messages
3m 53s
10. Following a blog from within AutoCAD
2m 51s
3. 2. Drawing Tools

1h 0m
1. Disabling mode settings on the fly
3m 28s
2. Finding hatch boundaries in busy drawings
3m 32s
3. Generating boundaries from difficult shapes
2m 20s
4. Calculating the overall length of multiple entities
6m 16s
5. Calculating the area of multiple shapes
4m 42s
6. Flattening geometry to a single elevation
4m 0s
7. Trimming all entities to one side of an object
2m 42s
8. Eliminating duplicated geometry
5m 10s
9. Creating true offsets
3m 44s
10. Finding errors when joining multiple entities
6m 48s
11. Moving and copying entities using Windows shortcuts
2m 24s
12. Solving expressions using the command prompt calculator
5m 1s
13. Using the Calculator palette
10m 25s
4. 3. Text

21m 17s
1. Bringing all text objects to the front
1m 20s
2. Underlining single-line text
1m 21s
3. Managing numbered and lettered lists
3m 36s
4. Creating superscript and subscript text
3m 18s
5. Removing formatting from MTEXT
3m 26s
6. Using fields to identify who revised a drawing
3m 10s
7. Squeezing text into tight spaces
3m 5s
8. Hiding extra annotative scales
2m 1s
5. 4. Dimensions

16m 55s
1. Creating "one-click" dimensions
1m 52s
2. Dimensioning angles greater than 180 degrees
1m 40s
3. Creating dynamic dimension breaks
2m 20s
4. Making linear dimensions act like aligned dimensions
2m 44s
5. Finding dimensions with false values
1m 38s
6. Creating parent/child dimension styles
4m 45s
7. Making dimensions easier to read
1m 56s
6. 5. Blocks and References

14m 40s
1. Making global edits to attribute data
4m 1s
2. Clipping references using curved geometry
2m 21s
3. Exchanging one block symbol for another
3m 3s
4. Using drag-and-drop to insert content
3m 17s
5. Creating a block library in two clicks
1m 58s
7. 6. Layers

10m 42s
1. Making global changes to layer names
3m 19s
2. Converting all object properties to BYLAYER
1m 43s
3. Navigating layer lists using the keyboard
2m 5s
4. Producing a hard copy of the layer settings
1m 34s
5. Removing stubborn layers
2m 1s
8. 7. Layouts

25m 1s
1. Accessing viewports within viewports
3m 21s
2. Creating viewports with islands
6m 5s
3. Creating legends using the Change Space tool
3m 55s
4. Rotating viewport content to match layout
4m 55s
5. Importing layouts from template files
2m 3s
6. Visualizing multiple design alternates
4m 42s
9. 8. Miscellaneous Tools

30m 18s
1. Consolidating backup files into a single folder
2m 48s
2. Launching applications from within AutoCAD
3m 53s
3. Creating custom linetypes
5m 9s
4. Incorporating symbols into custom linetypes
2m 48s
5. Salvaging data from a corrupt drawing
3m 57s
6. Applying hyperlinks to drawing objects
3m 34s
7. Converting drawings from name-based to color-based plot styles
2m 0s
8. Identifying the owner of a drawing
1m 18s
9. Incorporating drawings into PowerPoint presentations
4m 51s

31s
1. Goodbye
31s

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