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Hi all, I come back with many questions... i want to devellop a procedure to estimate hydro potential in a area. My procedure : - 1)import surface
- 2)draw river with surface tools (with a first criteria of min flow)
- 3)find the potential sites with slopes criteria and draw a point
4)calculate upstream area with Surface tools for the point drawing before5) calculate the potential using meteo data for discharge and drop.I have no problemes for 1 and 5 my problemes : 2) the calculation are quite long depanding on the surface it is possible do see the calculation code to optimize? 3) how can i create my point (maybe by using VB.NET) in picture 1 4) is it possible to automitize the entire processus? Thank you in advance! Attachments: Pic 1.PNG
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yes, this is easy to script in 8. However, I do agree, the upstream contributing area stuff does take time when you have a large watershed. For the point, I guess the question is, what is it you want to do? Do you want to digitize a point? Do you already have point locations? Addresses? The key is that you will have to snap that point to the river. art
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thanks for your answer! Where i can find tutorial for script in manifold? For the point i want creat new point in fonction of the slope ( see in pic1) in fact this point should be my potential intake. Attachments: Pic 1.PNG
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You can search the forum for lots of examples. But, a very fast way to get up and running would be to go through the gisadvisor.com training here.
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Thank you! And do you have any idea about the points?
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If it is based on some slope criteria then that should not be difficult at all. You can simply get those pixels and return the X,Y coordinates of them.
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thank you for your help i will try that :)
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