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walkington

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walkington last won the day on December 10 2010

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About walkington

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    Liverpool, UK
  1. Nodal Corrections

    Hi, I am trying to obtain a set of tidal constituents from an ADCIRC model run. It is easy enough to generate all the input and output data from the tides for the constituents in the tidal database, but these don't include the overtides. I can calculate the data I need for these but I don't know at what lat the corrections are calculated at. How does SMS choose this value as it doesn't seem to be the CPP projection lat? I can then calculate the value using T_Tide for the overtides that I want. Thanks Ian
  2. Import of .asc file format

    Hi, I have been trying to import .asc file data and having some trouble. It will allow me to open the file as a raster but falls over when I try as a scatter set. Having played around with this it turns out the problem is the NODATA_value line which is optional in the file spec and is happily treated as such by the raster but is required by the scatter set. You may want to make this regular between the two so that it conforms to the standard of the line being optional as my .asc file is quite large and it is taking a while to open, edit and save to add the one line. Thanks Ian
  3. Map File Issues

    It's OK. I have found the problem and fixed it. Obviously it is with my code The issue was that it was writing NaN values which I guess SMS doesn't know how to deal with. It does make it fall over though Thanks Ian
  4. Map File Issues

    Hi, I am needing to generate new grid outlines for some civil engineering works and I wrote a matlab code to convert the basic data into a map file which can be read by SMS. This used to work, ie when I first wrote it, but now I am using 11.1 it now has a rather major problem. After reading the file when I try and add a new node point it puts it at some strange point which I cannot edit without crashing the code. Has the map file format been changed since v10? Thanks Ian
  5. Convert Mesh to Scatter Set v11.1.6 64bit

    Hi Alan, I am importing 5 constituents and only the fort.53 file. It seems that when I load it in I can see the phase data correctly for the final constituent. In fact I can only see this data until I select the first dataset in the Harmonics section and then that is the only dataset I can see. I could upload the 2 files if you want, but the grid file is 10MB and the 53 file is 35MB. Thanks Ian
  6. Hi, Having just updated to this version I first want to say thanks for fixing the tidal data input issue, it has helped make my life, and a student's of mine, easier. However I have just tried to convert a mesh data set to a scatter set so that I can use this run to provide boundary conditions to a smaller model and found that for some reason the conversion routine now only converts the elevation dataset and the first dataset in the harmonic datasets file. There also seems to be an issue with the reading of the datasets from the fort.53 file. Although the range changes in the legend the numbers actually plotted are only the M2 values. This may of course be the reason why the scatter set conversion isn't working. Has there been an update to the fort.53 file format any time recently? I am using v46.19 of adcirc:) Thanks Ian
  7. Enetering Tidal Forcing Data for ADCIRC

    Hi Alan, I have just restarted working with ADCIRC in earnest now the 1st semester has now finished. Yes this is still a problem. I tried saving the fort.15 file by running the model with the tidl forcing of 0. I then edited the fort.15 file by hand, which is easy as this is a simple test case but I wouldn't fancy it for a large model. However SMS complained about not having the right number of nodes in the boundary condition, which is strange because I just edited the amplitude in the tidal forcing. Also it runs happily from the command line wqith this altered file. Ian
  8. Hi, I am having more trouble than usual in entering tidal forcing data in SMS. In the v10 I have been using until recently I knew that the tidal forcing info wasn't accepted first time through and I would have to go back and enter it after a first exit. This time using v11 everytime I enter the forcing data SMS kindly wipes it for me Any suggestions? Thanks Ian
  9. Compiling PADCIRC on multicore machine

    Hi, Yes it is possible to compile and run padcirc on a windows machine. The only issue is that there is no real support out there on how to do it. I know of one other person who has done it, not that I am saying there is only one but I only know of one. Basically you need to check that you can compile the adcirc code first, as this is generally simple and should test that the code is written to your compiler specifications. Edit the code as needed to get it to compile. Now you need to get the mpich2 libraries and figure out how to correctly link them to the padcirc files. You also need the metis library files which you can compile using a c compiler or download from the web as a dll. Then just compile all the files for padcirc whilst linking in the mpich2 libraries. You will need the metis libraries in the adcprep routines. You will also need to compile the adcpost files. It only took me about 3 weeks to do, but it is possible. Ian
  10. SMS 10.0.11 and Windows 7

    Hi Rusty, Sorry for the delay in getting back to you. It was a problem with the file, which wasn't in the right format. The new version of SMS told me about the error, the old SMS 10.0.x version just hung. Still now I know I can check the file format is right if the error occurs again. Thanks for the help Ian
  11. SMS 10.0.11 and Windows 7

    Hi Rusty, Thanks for the reply. It would appear that Windows just stops the job. The file only reaches 20kb and then stops increasing. Windows checks for the fix and then asks if you want to debug or cancel. Cancel kills the program and I don't fancy debug:) Does this mean I can't use SMS for viewing results then? and is this a problem with the newer versions as well or just my old and creaky one? Thanks Ian
  12. SMS 10.0.11 and Windows 7

    Hi, I am trying to run SMS 10.0.11 on a Windows 7 64 bit machine. It runs happily until I try and load in some large(ish) datasets from the results of an adcirc run. As it is converting the file Windows decideds that the program is unresponsive and goes away to try and find a solution on web to this problem. If I press the cancel button then it closes SMS for me:( At present I can't load fort.63/fort.64 data files as the conversion to .h5 format ends up kiling the program. Any suggestions or is it just me? Thanks Ian
  13. ltea

    Hi, When I used ltea I had to use the stop and run option because it insisted that you used the US tidal database which didn't cover the UK seas I actually cheated in the end and instead of doing the initial linear run I simply grabbed the M2 tidal constiuent data and interpolated it onto the linear grid. I thought that this would give the model a better idea of the tides than the linear run. The results turned out quite nicely, although I can't remember all the details of how I did it now Hope this helps a little Ian
  14. ADCIRC with non-periodic normal flux boundary

    Hi, Have you checked to see whether the inflow through the boundary is what you are specifying? I found that adcirc didn't get fluxes right for the pipeflow wier boundary condition and so it may have a problem here as well. Specify a flux that runs without the errors and then check in the results that the actual flux is what you put in. If the flux turns out to be much greater than expected then you will have to edit the code to correct this error. Hope this helps a little Ian
  15. Naming datasets

    Hi, I am running 10.0.8 so this may have been fixed but when using a large(ish) number of datasets I noticed that the naming of them in the data calculator called them {{, having run through a-z and then aa-zz. When I tried to use this dataset, {{, the calculator complained that the name {{ was not acceptable Not a huge problem as they go but quite frustrating this morning Thanks Ian
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