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| GeoCommunity Mailing List |
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| Mailing List Archives |
| Subject: | GISList: Creating Cross Section Lines Along Channel Centerline |
| Date: |
04/30/2003 07:50:01 AM |
| From: |
Morgan, John |
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Dear Lists,
I apologize for the cross postings.
I have multiple stream channel centerlines for some existing hydraulic
models that I have entered into ArcView and created a shape file for the
line work. The hydraulic model gives the distance between the cross
sections along the stream channel centerline. I have the total width of the
cross section and can determine how much is left and right of the centerline
fairly easily. I need the locations to assist in flood plain mapping and to
identify where the existing cross sections are located to assist in
identifying new cross section locations. I have approximately 120 channel
centerlines that I need to do this for.
I am looking for advice and/or scripts for ArcView 3.x or 8.x that will
allow me to create cross section lines perpendicular to the stream channel
centerline in an automated fashion. The cross section line ideally would
have the total length and left and right overbank lengths equal to what I
determine from the hydraulic model. I can create a table of the lengths and
distances between cross sections for this. I can live without the length of
the cross section line being done automatically since I will need to adjust
a number of the lines after the entry.
Thank you in advance for your help. I will summarize the responses to the
list.
John G. Morgan
Consoer Townsend Envirodyne Engineers, Inc.
303 East Wacker Drive
Suite 600
Chicago, IL 60601
Phone (312) 938-0300 ext. 4315
Fax (312) 938-1109
e-mail john.morgan@cte-eng.com
"Only a fool tests the depth of the water with both feet." - African Proverb
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