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Creating flow arrows sized by quantity in the directions they are going from a point feature

March 19 2009 | 0 comments
Categories: ArcGIS Methods

I am trying to create arrows from circles that show different size arrows for the different values for each direction they are going out of the circle. Example: See attached PDF. It shows a point feature with a value and that value is split 3 ways to show different values going out in three directions. If the value is small, I want the size of the arrow to be small and going in that direction, if big, the arrow needs to be big, and so on. I would prefer to have the arrows attached to the circle and filled in with the same color as the circle. I've seen maps like this, but have never had to do one myself till now and can't find information about it as of yet. Any help is greatly appreciated.

Mapping Center Answer:

There's nothing that will automatically produce what you want.  Essentially this falls into the category of illustration.  That said, there's no reason you cannot create a polygon feature class and digitize these polygons.  Then in your map you'd set that layer to be something like 75% transparent.  We did a blog entry nearly two years ago on flow arrows that explains exactly how to do this.

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