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How to create a rectangle buffer around a point feature ?

christianpaluschek

Hello community,

I know how to create a buffer or multiple buffers around a point feature. But then you always get a ring buffer. How can I create a rectangle buffer ? Can I use a tool or a python script ?

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DanLee

The ENVELOPE geometry type in Minimum Bounding Geometry tool gives the same result.

HelgeAasen

Thank you. I just found a solution (from Aaron at http://gis.stackexchange.com):

1. Buffer your point feature (ArcToolbox > Analysis Tools > Proximity > Buffer). Make sure to select the correct distance in the linear unit box.
2. Input your newly created buffers into the Feature Envelope to Polygon tool (Data Management Tools > Features > Feature Envelope to Polygon). Make sure to select the "Create multpart features" box if you have multiple points.

original posted can be found here: http://gis.stackexchange.com/questions/29337/creating-a-square-buffer-around-a-point-feature-in-arcmap

DanLee

No. The minimum bounding rectangle by width or by area is unique in its orientation; so you don't have control over the alignment of the rectangles. A bounding rectangle in a different orientation may not be minimum bounding rectangle by width or by area.

HelgeAasen

Using the Minimum Bounding Geometry tool (ArcGIS 10) to get a square/rectanble from the buffer polygons is a good idea. The RECTANGLE_BY_WIDTH and RECTANGLE_BY_AREA options are available for ArcView license.

Thanks,

Is there a way I can define the alignment of the rectangles?

DanLee

Using the Minimum Bounding Geometry tool (ArcGIS 10) to get a square/rectanble from the buffer polygons is a good idea. The RECTANGLE_BY_WIDTH and RECTANGLE_BY_AREA options are available for ArcView license.

Thanks,

christianpaluschek

I am new in phyton. I know how to load this script into arcgis but I do not know how to use it. Can you help me with this ? I tried it. thx

christianpaluschek

Hey,
thanks for the answers. I will try this. 🙂

AndrewMcClune

I suppose one way of getting around this problem is to create the buffers then use the minimum bounding geometry tool to create a rectangle. Not sure if this is the best or most logical way but you would certainly get a square/rectangular area around the point.

Hope this helps

DanPatterson_Retired

A sample script exists in the help topic
http://help.arcgis.com/en/arcgisdesktop/10.0/help/index.html#//002z0000001v000000.htm
which you could modify to suit your purposes.

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