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| GeoCommunity Mailing List |
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| Mailing List Archives |
| Subject: | GISList: Variable Width Buffering? |
| Date: |
04/03/2003 03:15:01 PM |
| From: |
Smith Travis G Civ 56 RMO/GIS |
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Hi Listers,
Does anyone out there have experience in conducting variable width buffering
using ArcView 3.x and/or ArcGIS 8.x? I have a project where I need to create
some buffers from simple existing line segments. However, the resulting
buffers require different widths from segment to segment. Additionally, the
widths vary from segment to segment on the right and left sides of the arc
respectively. It appears, these programs handle uniform width buffering well
via the Buffer Wizards, however I don't see any tools for variable widths.
The only idea I can come up with is to create a bunch of different little
buffers per segment, and then perform some clipping and appending (creating
a lot more work). It also appears that the ESRI 3.x/8.x products also no
longer offer the parameter selection of selecting 'Left' vs. 'Right' when
buffering the segment: as ArcInfo Workstation does.
Here's an example of a single route (line):
Arc Segment/Buffer Distance
Point A to Point B: 5 miles
Point B to Point C: 4 miles
Point C to Point D: 2.5 miles on Left & 4 miles on Right
Point D to Point E: 3 miles
Point E to Point F: 5 miles on Left & 2.5 miles on Right
Point F to Point G: 4 miles
Thanks in advance for any ideas or suggestions anyone might have.
Travis
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