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usage:howto [2020/09/08 21:27] – 'fake' circular dimension jack_spratusage:howto [2020/09/08 21:49] (current) – [How to 'fake' a circular dimension...] jack_sprat
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-[[usage:howto|How to]]====== How to ======+[[usage:howto|How to]] 
 +====== How to ======
  
 This section describes how to perform some tasks in addition to //User Manual// and //User Guides//. This section describes how to perform some tasks in addition to //User Manual// and //User Guides//.
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   * [[usage:howto#How to add radius circle tangent to two lines ?|How to add radius circle tangent to two lines ?]]   * [[usage:howto#How to add radius circle tangent to two lines ?|How to add radius circle tangent to two lines ?]]
   * [[usage:howto#How to convert from mm to inches ?|How to convert from mm to inches ?]]   * [[usage:howto#How to convert from mm to inches ?|How to convert from mm to inches ?]]
 +  * [[usage:howto#How to fake a circular dimension|How to fake a circular dimension]]
  
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 ===== How to 'fake' a circular dimension... ===== ===== How to 'fake' a circular dimension... =====
-In essence, we use one of the existing dimension tools, and then manually edit the label.+There isn't a circular dimension tool for annotating arcs, but we can use one of the existing dimension tools, and then manually edit the label.
  
-This really only works convincingly on segments of circles, although the approach could be applied to a continuous string of line entities, at a push.+This really only works convincingly on segments of circles, although the approach could be applied to a continuous string of line entities, at a push, maybe with the ''Dimension: Aligned'' tool.
  
 **Step-by-step example:** **Step-by-step example:**
-  - draw a circle, centred on a grid point (**Circle: Center, Point** tool) +  - draw a circle, centred on a grid point :: ''Circle: Centre, Point'' tool 
-  - draw two lines, from centre to perimeter, to define a segment (**Line: 2 Points** tool) +  - draw two lines, from centre to perimeter, to define a segment :: ''Line: 2 Points'' tool 
-  - divide the circle at the two lines, to create an arc (two, actually) (Modify: Divide tool)+  - divide the circle at the two lines, to create an arc (two, actually) :: ''Modify: Divide'' tool
   - select the arc to find its length in the status bar   - select the arc to find its length in the status bar
-  - create an angular dimension annotation between the two lines (**Dimension: Angular** tool) +  - create an angular dimension annotation between the two lines :: ''Dimension: Angular'' tool 
-  - edit the dimension properties, defining a new label with the length of the arc (**Modify: Properties** tool)+  - edit the dimension properties, defining a new label with the length of the arc :: ''Modify: Properties'' tool
  
 {{ :usage:lc_circulardimension.png?650 }} {{ :usage:lc_circulardimension.png?650 }}
  
-**Hint:** you can find the centre of an arc with the **Dimension: Radial** tool; you can even use two radial dimensions as temporary construction lines from which to create the angular dimension.+**Hint:** in addition to ''Snap: Centre'', you can find the centre of an arc with the ''Dimension: Radial'' tool; you can then use two radial dimensions as temporary construction lines from which to create the angular dimension.
  
usage/howto.1599600479.txt.gz · Last modified: 2020/09/08 21:27 by jack_sprat

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