8 Replies Latest reply: Jul 6, 2015 5:21 AM by Laura8759 RSS

    Remove redundant points

    ja3754 Community Member

      Is there a way to remove redundant points whilst maintaining the exact shape of the path?

       

      After using Pathfinder or Expand there are often many redundant points which can't be removed using Simplify or Unite.

       

      The VectorScribe plugin has a Smart Remove Points feature which is exactly what I want. I'm presuming the only way I can get that feature is to buy the plugin.

       

      A simple example is shown below: The path is part of an exact circle and I need to remove one of the anchors.

       

      redundant_points.jpg

        • 1. Re: Remove redundant points
          JETalmage Community Member

          Nope. Nothing in Illustrator that does that reliably.

           

          JET

          • 2. Re: Remove redundant points
            Mylenium MVP

            The VectorScribe plug-in has a tool for this...

             

            Mylenium

            • 3. Re: Remove redundant points
              Steve Fairbairn Community Member

              You don't seem to comprehend the meaning of the word "redundant".

              The 4 anchors on a circle make the circle what it is and are therefore not redundant.

               

              If you want to draw a circle using only 3 anchors you can make a guide out of you existing circle and then trace in manually with the Pen tool.

              In such an instance Smart Guides are your friends.

              • 4. Re: Remove redundant points
                ja3754 Community Member

                I'm not trying to draw a circle with 3 anchors (there are 3 more anchors describing the rest of the circle cropped out of the screenshot). The post wasn't even about circles. My example was just a demonstration to show a redundant point. And one of the points shown is redundant.

                 

                To reproduce the problem, create a circle using the elipse tool, add an extra point using the pen tool, now try and get the path back to 4 anchors without distorting its shape.

                • 5. Re: Remove redundant points
                  JETalmage Community Member

                  You have to remember you're dealing with Bezier curves, not with circular radii and arcs. You cannot approximate a circle with three cubic Bezier curves quite as accurately as you can with four (although arguably—and demonstrably—you can come pretty close for most practical purposes.) So strictly speaking, simplifying a four-segment "circle" to three segments is not as good an example of "redundancy" as would be simplifying an eight-segment "circle" down to four segments. Try it:

                   

                  1. Ellipse tool: Draw a circle.

                  2. Object>Path>Add Anchor Points.

                  3. Object>Path>Simplify. Adjust the sliders and see if you can make it end up with 4 anchorPoints.

                   

                  So essentially, what's being sought is a more intelligent "simplify" command than the one that is built into Illustrator. Obviously, Illustrator's Simplify command is not more intelligent than it is, so the answer to the original query is no.

                   

                  3754 is already aware of the VectorScribe plug-in. He mentioned it in the original post. So in the end, it's a question of whether you want to build mission-critical (or merely habitual) dependency upon 3rd-party add-ons that may or may not keep pace with changes to the host program, deal with yet another software vendor, pay the extra cost, etc., etc. I personally avoid doing that like the plague. Other's don't. But in the end, it's just a matter of another Illustrator feature not really being up to par.

                   

                  JET

                  • 6. Re: Remove redundant points
                    ja3754 Community Member

                    I think I created a red herring by mentioning circles.

                     

                    My original screenshot showed an example of two anchor points close together with a large extension handle on one side and a very short one on the other. For all practical purposes the path could be shaped identically using only one anchor point. But any example of a path that contains more anchors than are needed to form the shape is what I meant by redundancy.

                     

                    Often after expanding an object or using pathfinder operations the resultant shape ends up with a whole bunch of anchors close together. This makes the path difficult and laborious to edit.

                     

                    It looks like the plugin is the only way to go, but I share JET's reservations.

                    • 7. Re: Remove redundant points
                      MillerClark Community Member

                      A redundant point is a point that is sitting directly on top of another point. What has been asked in the original post is really not about removing redundant points.

                      • 8. Re: Remove redundant points
                        Laura8759 Community Member

                        Thanks you very much man, problem solved