Arc Fit Arcs

Introduction

This topic will explain the Arc Fit Arcs function, will explain whereto find the function, and explain the options found in it.This topicwill also give a brief description of Dynamic Drawing, the Snap Incrementfunction, explain creation with quick steps and an example, and provide links to relatedtopics.

The Arc Fit Arcs Function

The Fit Arcs function converts a selected geometry curve into arc segmentsusing a defined tolerance value.

To open Fit Arcs:

  • In the Entity group, of the Create 2D ribbon, click the down arrow under Arc, and select Fit Arcs.

The parameters display in the Data Entry Manager.

The Data Entry Parameters

Creation Option

Entity Selection

Tolerance- sets the amount of variation allowed when creating the fit arcs.

Selected Geometry

 

(Delete) - removes the highlighted item from the Selected Geometry list.

(Delete All) - removes all entities from the Selected Geometry list.
The list will display all entities currently selected for the function.



  • OK - creates the activearc entity after using data entry.

  • Cancel - closes theData Entry Manager.

Quick Steps - Arc Fit Arcs

  1. Open the function and setthe tolerance to use for the creation of the arcs.

  2. Select the items in the graphicsarea to apply the Fit Arc function to.



    The items are added to the Selected Geometry list.

  3. ClickOK.



    The Results dialog displays with a report on the number of arcs created.

  4. ClickOK to close the Result dialog.

  5. Repeatthis process as needed.

  6. Toclose the function, click Cancel.

Example

This example will demonstrate how to use the Fit Arcs function.


Note: In theimages below, both the Show Axis X-Yand Show Gnomon toggles have beendisabled in the Axis X-Y groupof the Settings Part > Displaydialog.

  1. In the Shapes group, of the Create 2D ribbon, clickthe Shape Library icon.

    The Data Entry Manager is populated with the parameters of the Disk.

  2. In the Data Entry Manager, click on the image of the Disk.

    The Shape Library dialog launches, allowing you to select from the library shapes.

  3. Select the (Polygon Inner) icon and click OK.

    The parameters open in the Data Entry manager, and the Preview displays.



  4. Enter 20 forthe Number of Sides value.

    The Preview updates.



  5. Click OK toconfirm the settings and placement of the Polygon Inner.

    The Polygon Inner is created in the graphics area, and the PolygonInner feature is added to the CAD Tree.

  6. In the Entity group, of the Create 2D ribbon, click the down arrow under Arc, and select Fit Arcs.

  7. Notice the Tolerance value is set 0.0004.

    Click anywhere in the graphics area to give it focus, and press Ctrl+A on your keyboard to use theshortcut for Select All.



    The entities are selected.

  8. Click OK to confirm.

    A dialog appears with the message: Arcfit result will return more entities than started with, you may wantto increase the tolerance, would you like to continue?

  9. Click Yes.

    The Results dialog appears showing:Arcs Created14

  10. Click OK.



    The result displays in the graphics area.In this case, the resultsare not obvious.

  11. Click anywhere in the graphics area to give it focus, and pressCtrl+Z on your keyboard toUndo the Arc Fit.

Note: Ifthe Undo command is used one too many times, the Polygon Inner will beundone as well.If this occurs, simply use CTRL+Y(Redo) to bring it back.

  1. Change the Tolerance valueto 0.0040.

    Click anywhere in the graphics area to give it focus, and pressCtrl+A on your keyboard touse the shortcut for Select All.



    The entities are selected.

  2. Click OK to confirm.

    A dialog appears with the message: Arcfit result will return more entities than started with, you may wantto increase the tolerance, would you like to continue?

  3. Click Yes.

    The Results dialog appears showing: ArcsCreated   1

  4. Click OK.



    Again, the result displays in the graphics area.The results are stillnot obvious.

  5. Click anywhere in the graphics area to give it focus, and pressCtrl+Z on your keyboard toUndo the Arc Fit.

  6. Change the Tolerance valueto 0.040.

  7. Click anywhere in the graphics area to give it focus, and pressCtrl+A on your keyboard touse the shortcut for Select All.



    The entities are selected.

  8. Click OK to confirm.

    The Results dialog appears showing: ArcsCreated   1

  9. Click OK.



    The result displays in the graphics area, and this time we can seea single arc has been created.

  10. To end the function, click Cancel.

This concludes the example.

Related Topics

The CADOverview