Changes between Version 25 and Version 26 of doc/app/vapor
- Timestamp:
- May 22, 2018 9:23:47 AM (6 years ago)
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doc/app/vapor
v25 v26 3 3 VAPOR is the Visualization and Analysis Platform for Ocean, Atmosphere, and Solar Researchers. VAPOR provides an interactive 3D visualization environment that runs on most UNIX and Windows systems equipped with modern 3D graphics cards. It has been developed by [[http://ncar.ucar.edu|NCAR]] and is freely available at [http://www.vapor.ucar.edu].\\ 4 4 \\ 5 Official manuals are available [[https://www.vapor.ucar.edu/docs/usage/vapor-gui-general-guide|here (GUI guide)]] and [[https://www.vapor.ucar.edu/docs/vapor-gui-general-guide/vapor-rendering|here (rendering)]]. Please find also a rather old tutorial in german language attached to this page [[attachment:2010_5_vapor.pdf|here]].5 Official manuals are available [[https://www.vapor.ucar.edu/docs/usage/vapor-gui-general-guide|here (GUI guide)]] and [[https://www.vapor.ucar.edu/docs/vapor-gui-general-guide/vapor-rendering|here (rendering)]]. 6 6 7 7 == System requirements == 8 The official VAPOR FAQ say :8 The official VAPOR FAQ say (May, 2018): 9 9 10 10 * // We recommend a minimum of 512 MBs of main memory. VAPOR relies heavily on RAM for caching data in order to improve performance. So the more memory you have, the better the performance, in general.This is particularly true when animating through temporal data.// … … 16 16 VAPOR has its own mechanism for storing field data and its associated attributes (metadata). The components of a VAPOR Data Collection (VDC) are distributed across different disk files. All metadata for a VDC are stored in a single .vdf file. See [[http://www.vapor.ucar.edu/docs/vapor-data-preparation/vapor-data-preparation|here]] for more information.\\ 17 17 \\ 18 For conversion of netCDF data to VDC, one can use the VAPOR command line tools vdfcreate and nc2vdf.18 Via command-line tools (ncdfvdfcreate, ncdf2vdf), NetCDF data can be converted to VDC format. Please refer to the [https://www.vapor.ucar.edu/docs/usage/vapor-data-preparation official documentation] for details. 19 19 20 20 21 21 == Starting VAPOR at IMUK == 22 VAPOR (version 2. 3.0) is installed on the Linux server at IMUK and can be started from the terminal:22 VAPOR (version 2.4.2) is installed on the Linux server at IMUK and can be started from the terminal: 23 23 24 {{{ . /muksoft_i/packages/vapor/2.3.0/bin/vapor-setup.sh; vaporgui&}}}.24 {{{module load vapor; vaporgui&}}}. 25 25 26 26 The VAPOR window will appear. In case your graphics card (or your graphics card driver) is inappropriate, you might experience error message when rendering 3D data. 27 27 28 == Recommended User preferences & advices == 29 * The user preferences can be opend from the "Edit" menu. We recommend to set the following settings: 28 == Recommended User preferences & advice == 29 * The user preferences can be opened from the "Edit" menu. We recommend to set the following settings: 30 * '''Cache Size (Megabytes)''': depending on your RAM, allow VAPOR to block 70-80% of your total RAM. 31 * '''Specify graphics texture size''': the performance of VAPOR can be improved by setting a value for the texture size ([https://www.vapor.ucar.edu/docs/vapor-gui-general-guide/graphics-texture-size-control see here]). 30 32 31 * '''Cache Size (Megabytes)''': depending on your RAM, allow VAPOR to block 70-80% of your total RAM. 32 * '''Specify graphics texture size''': We suppose that the performance of VAPOR can be improved by setting a value for the texture size. However, currently we do not have suggestions for an appropiate value. 33 * '''Save your work regularly! ''' Use the "Save Session" option to save your visualizer settings to file. Our experience is that VAPOR tends to crash from time to time and you will lose all your settings. Saving your settings allows you not only to restore your last session (you just need to load the data manually), but it also allows to visualize several data sets with the same visualizer settings. 33 34 34 * ''' Save your work regularly! ''' Use the "Save Session" option to save your visualizer settings to file. Our experience is that VAPOR tends to crash from time to time and you will lose all your settings. Saving your settings allows you not only to restore your last session (you just need to load the data manually), but it also allows to visualize several datasets with the same visualizer settings.35 * '''Play! ''' There are unlimited possibilities of presenting your data. Try out different approaches for visualizing interesting features of your simulated flow. Toy around with the lighting setup, transparency, viewing angles etc.. 35 36 36 * '''Play! ''' There are unlimited possibilies of presenting your data. Try out different approaches for visualizing interesting features of your simulated flow. Toy around with the lighting setup, transparency, viewing angles etc.. 37 38 * '''Flow Renderer:''' Be careful when using "Field line advection". This type is used to show trajectories of your flow field, but it requires enormous computational time (which can make VAPOR crash). Make sure that "Auto-refresh flow" is disabled and you know what you are doing. It is also a good idea to save your session before using the flow renderer. 37 * '''Flow Rendering:''' Be careful when using "Field line advection". This type is used to show trajectories of your flow field, but it requires enormous computational time (which can make VAPOR crash). Make sure that "Auto-refresh flow" is disabled and you know what you are doing. It is also a good idea to save your session before using flow rendering.
