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Prema

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  1. Dear colleagues, I've noticed that SMS 11.0 allows us to create a 'Roughness' dataset as an altrnative to using a constant Chezy coefficient. Is there any available documentation on this feature? Kind Regards, Prema Bhautoo
  2. TUFLOW

    Hi Tom and Eric, Thank you very much for your comments. I had also emailed Rusty Jones about this issue and he had given me the following advice -----Original Message----- > From: Rusty Jones [mailto:rjones@aquaveo.com] > Sent: Tuesday, 16 November 2010 9:28 AM > To: Prema Bhautoo > Cc: Technical Support > Subject: Re: Snapping CN nodes to BC layer > > Hi, > > Due to differences in how we store and work with data, SMS puts CN > lines and HX lines in separate coverages. > > For a CN line to be snapped to an HX line it has to be in the same > physical location, you can have SMS snap points from different > coverages together. They won't move together from then on and you will > need to resnap them if you move one or the other. > > To snap: > 1. Go to Edit | Preferences and make sure that snapping is on. > 2. Go to Display Options and make sure that inactive coverages are > being displayed. > 3. Create arcs or points or drag points, when dragging points you > should see a red plus sign at the point you are snapping to when you > get close. When clicking they may just appear to jump slightly. > > There is one more little trick. The BC coverage needs to know which > coverage to look into for its connection lines. You can right click on > the BC coverage and choose properties to select this coverage. If you > try to run a simulation where a BC coverage has HX lines and is not > associated with a 1D/2D connection coverage, SMS will ask for the > association so it generally gets filled in this way. > >> Cheers, > Rusty I have since tried it and it seems to work well. Thank you very much for your help, it was much appreciated. Prema.
  3. TUFLOW

    Hi all, I have recently started using TUFLOW and am having a few difficulties with a Map Data feature. I currently have water level (WL) data at two ends of a horizontal boundary condition (BC) line (please see attached image) and need to interpolate WL the along the BC line. To do so, i've created two CN nodes, at the two ends of the BC line and have converted the BC to a HX line, so that it reads the values from each CN node and interpolates along the line. However, i cannot snap the CN points to the BC line as they are in different coverages. They sometimes display in the BC coverage but are not linked. Has anyone faced this problem before? Any help would be much appreciated. Thanks, Prema.
  4. Hi all, I've just started using TUFLOW and have run through the tutorials but can't quite work out how to specify output points. is there something to the same effect of the Bouss 2D probe manager option in TUFLOW that allows the user to define output points as well as output parameters? Any help would be much appreciated. Thanks, Prema.
  5. Hi, I'm having difficulty viewing vectors overlain on contour plots in solution files. These are the steps I have been following: Run Bouss 2D or ST Wave (those are the two models i currently use); Load the corresponding solution file; Enable both Contours and Vectors in the display options menu In the Vectors tab, select display ‘on a grid’ and ‘Fixed length’; Click on 'Wave Height' in the Project Explorer toolbar to generate the resultant wave height contour plot; Click on ‘Wave Direction’ ; Select Data from Menu Bar and scroll to Data Set Toolbox; Select Scalar to Vector conversion, select Sig Wave height for Vx and Mean Wave Direction as Vy and choose the Magnitude and Direction option in the bottom right tab; Click on Compute to calculate and output the wave direction grid;and Select 'Wave Height' grid and ensure the ‘new data set’ is active. These steps have previously generated a wave height contour plot with wave direction displayed as vectors, overlain on the wave height image. On numerous occasions, I have found difficult to see the vectors as they seem to be displayed on a separate layer underneath the contours. I can see them more clearly if I reduce the transparency level of the contour dataset but this decreases the contour visibility. Would you please advise. Regards, Prema.
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