I have a point layer and a polygon layer (created from the point layer using local convex hull isopleths). I would like to be able to select only those points laying within the multiple polygons (all in same layer).

Is there a way to mask a point layer with a polygon layer?

Even if I can just select the points inside I can then export them to a new layer.

ArcMap 9.3.1


You can select the points that fall within a polygon by using the Select By Location tool. On the Main Menu toolbar, go to Selection>Select by Location. You'll want to select features from your point layer are within your polygon layer.

  • Thanks very much! I had a feeling it might be something straight forward, but a classic example of you only know when you know.... Thanks again. – elusival Feb 28 '11 at 16:13

From the ArcMap menu: Selection-->Select By Location.

We're looking for long answers that provide some explanation and context. Don't just give a one-line answer; explain why your answer is right, ideally with citations. Answers that don't include explanations may be removed.

  • Looks like Zachary beat me to it :) – MaryBeth Feb 28 '11 at 13:27

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Not the answer you're looking for? Browse other questions tagged or ask your own question.