Welcome, Guest
Username: Password: Remember me
  • Page:
  • 1
  • 2

TOPIC: Shoreline tracing with Google Earth (Add Polygon)

Shoreline tracing with Google Earth (Add Polygon) 11 years 7 months ago #3598

  • JAM
  • JAM's Avatar
  • Offline
Hello all,

I am getting ready to start working on a map for a 12000 acre lake. I recently did a 4100 acre lake and it took almost 4 hours and I had issues. Thanks to the fine support of Matt I was able to salvage it.


There has to be quicker, easier way to do this. Any tips or advise would be GREATLY appreciated!

Thank you,
Joel
Last Edit: 11 years 7 months ago by JAM.
The administrator has disabled public write access.

Shoreline tracing with Google Earth (Add Polygon) 11 years 7 months ago #3599

  • AnglingCharts
  • AnglingCharts's Avatar
  • Offline
Plenty of coffee and make no plans for the evenings for the next 3 weeks. Some lakes take months to get right, so your 4 hours isn't particularly bad. The more time you put into getting it right the better it will be.
Save your work as you go along........
Personally I'd use another source of imagery and a proper GIS program to construct the shoreline, but thats entirely up to you.

T
http://www.anglingcharts.com/

Mucking about in boats
The administrator has disabled public write access.

Shoreline tracing with Google Earth (Add Polygon) 11 years 7 months ago #3600

  • JAM
  • JAM's Avatar
  • Offline
Understood.. Thanks for the reply and advice.
Last Edit: 11 years 7 months ago by JAM.
The administrator has disabled public write access.

Shoreline tracing with Google Earth (Add Polygon) 11 years 7 months ago #3601

  • hermes
  • hermes's Avatar
  • Offline
if you wanted a fairly low resolution and rough coastline, you could try the free World Vector Shoreline at www.ngdc.noaa.gov/mgg/shorelines/shorelines.html. They sometimes include lakes (especially the bigger ones), but its primarily for coastline.

Haven't really come across other more detailed coastlines so ended up doing quite a bit of clicking myself!
The administrator has disabled public write access.

Shoreline tracing with Google Earth (Add Polygon) 11 years 7 months ago #3602

  • JAM
  • JAM's Avatar
  • Offline
I will definitely check that out. Thank you hermes.
The administrator has disabled public write access.

Shoreline tracing with Google Earth (Add Polygon) 11 years 7 months ago #3607

  • JAM
  • JAM's Avatar
  • Offline
Do any of you use graphic tablets for this? If so what should I look for? Seems like this might be the 'easier' way than a traditional mouse and PC.
The administrator has disabled public write access.

Shoreline tracing with Google Earth (Add Polygon) 11 years 7 months ago #3608

  • Walleye_Fisherman
  • Walleye_Fisherman's Avatar
  • Offline
AnglingCharts wrote:
Personally I'd use another source of imagery and a proper GIS program to construct the shoreline, but thats entirely up to you.

T

What would you recommend then?
With some lakes I'm having diffelculties with the shorelines because the google earth images are not updated recently and the shoreline has changed in the meantime. So I can't get a correct shoreline.
Last Edit: 11 years 7 months ago by Walleye_Fisherman.
The administrator has disabled public write access.

Shoreline tracing with Google Earth (Add Polygon) 11 years 7 months ago #3609

  • Team Colibri
  • Team Colibri's Avatar
  • Offline
It might just have been our luck, but in Norway the national waterauthority has a lot of shorelines already drawn up. Dan and I got about shorelines for 600 or so lakes from them. Most of them are pretty rough, but they can be improved in Google Earth or directly in Reefmaster.

So it might be worth your time to send out a few emails to literally test the water. :)
Last Edit: 11 years 7 months ago by Team Colibri.
The administrator has disabled public write access.

Shoreline tracing with Google Earth (Add Polygon) 11 years 7 months ago #3610

  • Matt
  • Matt's Avatar
  • Offline
Also take a look at the National Hydrography Dataset. This holds shorelines for just about every water body (of any size) in the US, in a format that can used directly in RM. There is a detailed description of how to use this data in this post.

Having said that, the site doesn't seem to be working properly at the moment. Hopefully just a temporary glitch!
The administrator has disabled public write access.

Shoreline tracing with Google Earth (Add Polygon) 11 years 7 months ago #3611

  • Walleye_Fisherman
  • Walleye_Fisherman's Avatar
  • Offline
And what option(s) does a guy who lives in The Netherlands has? ;-)
The administrator has disabled public write access.

Shoreline tracing with Google Earth (Add Polygon) 11 years 7 months ago #3612

  • DannyGeysen
  • DannyGeysen's Avatar
  • Offline
Walleye_Fisherman wrote:
And what option(s) does a guy who lives in The Netherlands has? ;-)

GlobalMapper has some really nice features to draw shorelines almost automatically, but unfortunately, it is not free software.
Lowrance ProStaff
The administrator has disabled public write access.

Shoreline tracing with Google Earth (Add Polygon) 11 years 7 months ago #3613

  • Ankfoot
  • Ankfoot's Avatar
  • Offline
Walk the shoreline and logging? :)
The administrator has disabled public write access.
  • Page:
  • 1
  • 2
SCROLL TO TOP