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Color Brewer has an option for color bind safe colrs.

Mark Zito, GISP, CFM | GIS Specialist / Local Team Leader | CDM Smith

75 State Street| Suite 701 | Boston, MA 02109

Dir. 617-452-6811 | Cell 857-719-5692 |[log in to unmask] | cdmsmith.com

From: Northeast Arc Users Group [mailto:[log in to unmask]] On Behalf Of Justin Richardson
Sent: Wednesday, May 11, 2016 12:42 PM
To: [log in to unmask]
Subject: Re: color blind friendly mapping

Instead of having a unique color represent each of the 10+ zones you could rely heavily on Labeling and for zoning symbology you can use the Four Color Theorem. This is a very popular method of creating a map of the States. Only using 4 colors, but adjacent states with the same color never touch each other.

Just an thought.

Justin D. Richardson, GISP

GIS Coordinator

Kennebunk, Kennebunkport

and Wells Water District

92 Main Street, P.O. Box 88

Kennebunk, Maine 04043

Tel: 207-985-3385

Fax: 207-985-3102

Cell: 207-604-8092

www.kkw.org

From: Northeast Arc Users Group [mailto:[log in to unmask]] On Behalf Of Adam Kurowski
Sent: Wednesday, May 11, 2016 12:33 PM
To: [log in to unmask]
Subject: color blind friendly mapping

The Project:

To replace a black and white, paper zoning map that is designed with hatch, line, and marker symbols with a colored version made with GIS that easy to keep updated.

The Problem:

One of the main staff members who will use the map is color blind. The map would require 10+ colors and the color blind friendly color ramps, can't handle that many variations in relation to this person's type of color blind. I have looked at many resources and they have helped, but the number of zones and overlays still make the map hard to distinguish for the color blind person. I would love to make one all-inclusive product, but that may not be possible.

The Questions:

1. Does any have experience or advice to help make this municipal zoning map color blind friendly?

2. Can anyone offer a creative solution, simple or high-tech, that could help this one staff member access the zoning information in another manner?

2a. Is that an acceptable alternative and is it maintainable?

3. Should I follow the KISS rules and just convert the map to GIS and stick with a black and white hatch, line, symbol map?

Thanks! I'll compile and share the results.

Adam

-------------------

Adam Kurowski, Systems Analyst / Director of GIS

Town of Arlington

730 Massachusetts Ave

Arlington, MA 02476

phone: 781-316-3385

email: [log in to unmask]

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