# Latest **URL:** https://vapor.discourse.group/latest.md?page=1 [Latest](https://vapor.discourse.group/latest.md) · [Categories](https://vapor.discourse.group/categories.md) **Page:** 2 --- ## [Combining Keyframing + Time-Steps (Python)](https://vapor.discourse.group/t/combining-keyframing-time-steps-python/414)
**Author:** [@ezx](https://vapor.discourse.group/u/ezx)\ **Replies:** 1\ **Last updated:** [October 24, 2024, 6:48pm UTC](https://vapor.discourse.group/t/combining-keyframing-time-steps-python/414 "2024-10-24T18:48:37Z")
Is there a built-in way to combine the keyframing technique along with making it so that the animation steps through time as well? Or will I have to manually interpolate the camera positions for each timestep-frame? --- ## [Collapsing Axis Annotations onto Renderer Subdomain (Subregion)](https://vapor.discourse.group/t/collapsing-axis-annotations-onto-renderer-subdomain-subregion/409)
**Author:** [@jdegraw](https://vapor.discourse.group/u/jdegraw)\ **Replies:** 7\ **Last updated:** [September 30, 2024, 10:00pm UTC](https://vapor.discourse.group/t/collapsing-axis-annotations-onto-renderer-subdomain-subregion/409 "2024-09-30T22:00:59Z")
I have several wrfout files that I am attempting to visualize using VAPOR. For context, I am using VAPOR version 3.9.2 on windows 11. I have visualized these data previously using VisIt, but I could not get the x, y, an… --- ## [Domain bounds in Python Variable](https://vapor.discourse.group/t/domain-bounds-in-python-variable/411)
**Author:** [@duaner](https://vapor.discourse.group/u/duaner)\ **Replies:** 1\ **Last updated:** [September 27, 2024, 5:42pm UTC](https://vapor.discourse.group/t/domain-bounds-in-python-variable/411 "2024-09-27T17:42:14Z")
Hi: When creating a new variable using Tools\>Python Variables, how can I get the domain bounds from within the Python code? Thanks, --d.r. --- ## [Visualisation Issue](https://vapor.discourse.group/t/visualisation-issue/407)
**Author:** [@Shilpa\_Patra](https://vapor.discourse.group/u/Shilpa_Patra)\ **Replies:** 1\ **Last updated:** [September 16, 2024, 4:05pm UTC](https://vapor.discourse.group/t/visualisation-issue/407 "2024-09-16T16:05:26Z")
I have created .nc file by using the command line vdccreate followed by raw2vdc. but I am unable to visualize it through vapor --- ## [Variables saved along parcel trajectories (pathlines)](https://vapor.discourse.group/t/variables-saved-along-parcel-trajectories-pathlines/405)
**Author:** [@elucy](https://vapor.discourse.group/u/elucy)\ **Replies:** 4\ **Last updated:** [September 11, 2024, 3:04pm UTC](https://vapor.discourse.group/t/variables-saved-along-parcel-trajectories-pathlines/405 "2024-09-11T15:04:30Z")
In order to properly visualize variables along pathlines, does one need to change the default integration settings? Without checking the boxes in the screenshot titled “a,” the “VaporFlow” file selected in screenshot “b” … --- ## [3.9.3 Released!](https://vapor.discourse.group/t/3-9-3-released/400)
**Author:** [@pearse](https://vapor.discourse.group/u/pearse)\ **Replies:** 0\ **Last updated:** [August 16, 2024, 4:41pm UTC](https://vapor.discourse.group/t/3-9-3-released/400 "2024-08-16T16:41:14Z")
Vapor 3.9.3 has been released! Download and read release notes here. --- ## [Error in saving images](https://vapor.discourse.group/t/error-in-saving-images/397)
**Author:** [@Kamlesh](https://vapor.discourse.group/u/Kamlesh)\ **Replies:** 3\ **Last updated:** [August 15, 2024, 1:41pm UTC](https://vapor.discourse.group/t/error-in-saving-images/397 "2024-08-15T13:41:03Z")
Hi, I have been trying to save the images in .png format for my result in VAPOR 3.8.1 but it is failing to save. The error message reads as follows: “Error performing paint event. Failed to save image. pFunc(drawpng) Fa… --- ## [How to set the timestep for renderers using the python API?](https://vapor.discourse.group/t/how-to-set-the-timestep-for-renderers-using-the-python-api/399)
**Author:** [@avijeet](https://vapor.discourse.group/u/avijeet)\ **Replies:** 0\ **Last updated:** [August 13, 2024, 10:12am UTC](https://vapor.discourse.group/t/how-to-set-the-timestep-for-renderers-using-the-python-api/399 "2024-08-13T10:12:14Z")
Hi, I am working with a vdc file which has multiple time steps. I want to show the evolution of magnetic field lines over time, where the seed points are biased by the vertical field strength. I tried the following to … --- ## [Is it possible to generate backward pathlines in Vapor as of 2024?](https://vapor.discourse.group/t/is-it-possible-to-generate-backward-pathlines-in-vapor-as-of-2024/396)
**Author:** [@keito](https://vapor.discourse.group/u/keito)\ **Replies:** 3\ **Last updated:** [August 10, 2024, 11:00pm UTC](https://vapor.discourse.group/t/is-it-possible-to-generate-backward-pathlines-in-vapor-as-of-2024/396 "2024-08-10T23:00:50Z")
I’m a beginner asking this question for the first time. I learned from the question below that backward pathlines were not possible in Vapor as of 2022. Is it possible now?" --- ## [Creating Render Causes VAPOR to Crash](https://vapor.discourse.group/t/creating-render-causes-vapor-to-crash/391)
**Author:** [@ezx](https://vapor.discourse.group/u/ezx)\ **Replies:** 4\ **Last updated:** [July 22, 2024, 10:12pm UTC](https://vapor.discourse.group/t/creating-render-causes-vapor-to-crash/391 "2024-07-22T22:12:09Z")
I had an relatively large .nc file (33GB) that whenever I tried to create a render, it would cause VAPOR to crash. I thought this could be a size issue so I trimmed it down (around 300MB) but I still get the same issue. … --- ## [Computing variables](https://vapor.discourse.group/t/computing-variables/393)
**Author:** [@elucy](https://vapor.discourse.group/u/elucy)\ **Replies:** 1\ **Last updated:** [July 19, 2024, 8:35pm UTC](https://vapor.discourse.group/t/computing-variables/393 "2024-07-19T20:35:36Z")
Can new variables be calculated in the Vapor system from netCDF files? --- ## [Render Not Displaying Any Data](https://vapor.discourse.group/t/render-not-displaying-any-data/390)
**Author:** [@ezx](https://vapor.discourse.group/u/ezx)\ **Replies:** 1\ **Last updated:** [June 27, 2024, 5:46am UTC](https://vapor.discourse.group/t/render-not-displaying-any-data/390 "2024-06-27T05:46:20Z")
Sorry I’m fairly new to using these softwares and data formats so I apologize if this is a rather simple question, but I’m importing a .nc file that’s taken at a fixed y-coordinate slice. The dimensions of data variables… --- ## [Issues with particle renderer: Enlarge size of particles and avoid "jumping" domain](https://vapor.discourse.group/t/issues-with-particle-renderer-enlarge-size-of-particles-and-avoid-jumping-domain/178)
**Author:** [@josch89](https://vapor.discourse.group/u/josch89)\ **Replies:** 3\ **Last updated:** [June 25, 2024, 10:53pm UTC](https://vapor.discourse.group/t/issues-with-particle-renderer-enlarge-size-of-particles-and-avoid-jumping-domain/178 "2024-06-25T22:53:46Z")
Hi all, first of all, thanks to the developer-team, great to see that now particles can be directly illustrated by vapor. However, i faced two issues with that feature. First i wonder if there is a possibility to enlar… --- ## [Writing flowlines to file](https://vapor.discourse.group/t/writing-flowlines-to-file/387)
**Author:** [@elucy](https://vapor.discourse.group/u/elucy)\ **Replies:** 1\ **Last updated:** [June 21, 2024, 3:26am UTC](https://vapor.discourse.group/t/writing-flowlines-to-file/387 "2024-06-21T03:26:21Z")
I’m trying to output variables along parcel trajectories. It seems like if I play the pathlines all the way forward, I get a different dataset written out than if I try selecting that tool without letting the pathlines p… --- ## [Pathlines plotting ](https://vapor.discourse.group/t/pathlines-plotting/382)
**Author:** [@elucy](https://vapor.discourse.group/u/elucy)\ **Replies:** 8\ **Last updated:** [June 14, 2024, 3:33pm UTC](https://vapor.discourse.group/t/pathlines-plotting/382 "2024-06-14T15:33:35Z")
I’m trying to get pathlines to get parcel trajectories for a dataset that I’ve loaded into VAPOR. It has 6 time steps, but I don’t see anything appear when I try and plot the pathlines. I tried writing out the flow lines… --- ## [Rerunning makeGeotiff.py for new location image - WMTS error](https://vapor.discourse.group/t/rerunning-makegeotiff-py-for-new-location-image-wmts-error/375)
**Author:** [@Ihp](https://vapor.discourse.group/u/Ihp)\ **Replies:** 4\ **Last updated:** [June 11, 2024, 7:53pm UTC](https://vapor.discourse.group/t/rerunning-makegeotiff-py-for-new-location-image-wmts-error/375 "2024-06-11T19:53:14Z")
Hello, I’m rerunning the provided stock makeGeotiff.py script used several months ago, now with new coordinates. conda is installed, I’ve created and activated myLandsatPics, and conda install -c conda-forge cartopy g… --- ## [Rectilnear BOV format](https://vapor.discourse.group/t/rectilnear-bov-format/377)
**Author:** [@jml](https://vapor.discourse.group/u/jml)\ **Replies:** 2\ **Last updated:** [May 29, 2024, 7:52pm UTC](https://vapor.discourse.group/t/rectilnear-bov-format/377 "2024-05-29T19:52:14Z")
Hello, we would like to convert our data (h5files for scalars, separate grid) in order to use Vapor. Mesh coordinates are rectilinear, in x, y and z. Is it possible read such mesh ? Thanks in advance. Best regards … --- ## [Ubuntu 22.04 python vapor error](https://vapor.discourse.group/t/ubuntu-22-04-python-vapor-error/371)
**Author:** [@sunny](https://vapor.discourse.group/u/sunny)\ **Replies:** 3\ **Last updated:** [May 8, 2024, 4:22pm UTC](https://vapor.discourse.group/t/ubuntu-22-04-python-vapor-error/371 "2024-05-08T16:22:46Z")
I’m using Ubuntu 22.04 without a dedicated graphics card. I’ve successfully installed Vapor, but when I try to import vapor, I encounter this error message: Vapor 3.9.2 Python 3.9.18 (/home/vapor/anaconda3/envs/vapor\_p… --- ## [Issues rendering WRF out files (Paint Failed, domain is just a straightline)](https://vapor.discourse.group/t/issues-rendering-wrf-out-files-paint-failed-domain-is-just-a-straightline/369)
**Author:** [@Matt](https://vapor.discourse.group/u/Matt)\ **Replies:** 7\ **Last updated:** [May 8, 2024, 3:24pm UTC](https://vapor.discourse.group/t/issues-rendering-wrf-out-files-paint-failed-domain-is-just-a-straightline/369 "2024-05-08T15:24:12Z")
Hello, I can not find a previous post about this so hopefully you can help! I am trying to import WRF out files into vapor however when I for example try to view QCLOUD in the volumetric renderer I get paint failed and… --- ## [Producing png figure using \*.vs3 vapor script by "vapor\_python"](https://vapor.discourse.group/t/producing-png-figure-using-vs3-vapor-script-by-vapor-python/360)
**Author:** [@muteldw](https://vapor.discourse.group/u/muteldw)\ **Replies:** 15\ **Last updated:** [April 26, 2024, 9:14pm UTC](https://vapor.discourse.group/t/producing-png-figure-using-vs3-vapor-script-by-vapor-python/360 "2024-04-26T21:14:08Z")
There is some issue on creating png figures using \*.vs3 vapor script. :upside\_down\_face: The example vs3 name is “side.vs3” and its result looks like the figure above. I made it in the vapor of window version(v 3.8.… --- ## [Vapor GUI not displaying variable metadata](https://vapor.discourse.group/t/vapor-gui-not-displaying-variable-metadata/363)
**Author:** [@annebarber](https://vapor.discourse.group/u/annebarber)\ **Replies:** 7\ **Last updated:** [April 23, 2024, 4:08pm UTC](https://vapor.discourse.group/t/vapor-gui-not-displaying-variable-metadata/363 "2024-04-23T16:08:45Z")
The good news: I’ve successfully imported an AerChemMIP netcdf file into the Vapor GUI :slightly\_smiling\_face: The bad news: I cannot replicate my success with two other meteorological netcdf files - one from WRF and th… --- ## [VAPOR 3.9.2 Released](https://vapor.discourse.group/t/vapor-3-9-2-released/367)
**Author:** [@ifranda](https://vapor.discourse.group/u/ifranda)\ **Replies:** 0\ **Last updated:** [April 11, 2024, 7:10pm UTC](https://vapor.discourse.group/t/vapor-3-9-2-released/367 "2024-04-11T19:10:37Z")
Vapor has released a minor version, 3.9.2! Download here What’s Changed Issue3520 by @sgpearse in #3521 change default interpolation order by @shaomeng in #3523 Fix renderer list right click menu for particles by @Sta… --- ## [VAPOR Python installation](https://vapor.discourse.group/t/vapor-python-installation/358)
**Author:** [@DavidWang912](https://vapor.discourse.group/u/DavidWang912)\ **Replies:** 1\ **Last updated:** [January 31, 2024, 9:11pm UTC](https://vapor.discourse.group/t/vapor-python-installation/358 "2024-01-31T21:11:57Z")
Hi Vapor support, I had successfully install the VAPOR software on my Windows 11 laptop. However, when I tried to install VAPOR Python, using the command “conda install -c conda-forge -c ncar-vapor vapor” in my anacond… --- ## [Vapor 3.9.1 Released](https://vapor.discourse.group/t/vapor-3-9-1-released/351)
**Author:** [@pearse](https://vapor.discourse.group/u/pearse)\ **Replies:** 0\ **Last updated:** [December 21, 2023, 8:31pm UTC](https://vapor.discourse.group/t/vapor-3-9-1-released/351 "2023-12-21T20:31:00Z")
Vapor has released a minor version, 3.9.1! Download here What’s Changed Fix #3429: Jupyter kernel dies when it can’t find data by @StasJ in Fix #3429: Jupyter kernel dies when it can't find data by StasJ · Pull Reques… --- ## [VAPOR for Ubuntu 18.04.6](https://vapor.discourse.group/t/vapor-for-ubuntu-18-04-6/350)
**Author:** [@aqua159](https://vapor.discourse.group/u/aqua159)\ **Replies:** 2\ **Last updated:** [December 15, 2023, 4:59pm UTC](https://vapor.discourse.group/t/vapor-for-ubuntu-18-04-6/350 "2023-12-15T16:59:49Z")
I tried istalling using the script labelled as Ubuntu20.sh as I didn’t see anything for 18. After installing when I tried running it by the command ./vapor after going to the folder /Downloads/VAPOR3-3.9.0-Linux/bin bu… --- ## [Plt.savefig is possible in vapor\_python?](https://vapor.discourse.group/t/plt-savefig-is-possible-in-vapor-python/345)
**Author:** [@muteldw](https://vapor.discourse.group/u/muteldw)\ **Replies:** 2\ **Last updated:** [December 4, 2023, 6:44am UTC](https://vapor.discourse.group/t/plt-savefig-is-possible-in-vapor-python/345 "2023-12-04T06:44:15Z")
I could load vc3 script successfully after correcting some of the direction names. But, cannot be done with saving images. T\_T I found that I need to downgrade for the GLSL 4.10 to under 3.10. therefore, I am trying t… --- ## [Vapor 3.8 is live!](https://vapor.discourse.group/t/vapor-3-8-is-live/261)
**Author:** [@pearse](https://vapor.discourse.group/u/pearse)\ **Replies:** 7\ **Last updated:** [November 29, 2023, 2:11pm UTC](https://vapor.discourse.group/t/vapor-3-8-is-live/261 "2023-11-29T14:11:22Z")
Download here New Enhancements 3157 - Jupyter Notebook Widgets + conda recipe for easy Python API installation conda create -n vapor python=3.9 conda activate vapor conda install -c conda-forge -c ncar-v… --- ## [Segmentation violation error in vapor python](https://vapor.discourse.group/t/segmentation-violation-error-in-vapor-python/342)
**Author:** [@wjnadia](https://vapor.discourse.group/u/wjnadia)\ **Replies:** 4\ **Last updated:** [November 27, 2023, 10:25pm UTC](https://vapor.discourse.group/t/segmentation-violation-error-in-vapor-python/342 "2023-11-27T22:25:39Z")
I built a docker image for VAPOR Python API(3.9.0) and jupyter vapor widget(1.0.0) in conda environment linked to ipython kernel of Jupyter Lab. Jupyter Lab was run in a Docker container. I attempted to run VAPOR exampl… --- ## [Adding a new variable to a .vdc file](https://vapor.discourse.group/t/adding-a-new-variable-to-a-vdc-file/346)
**Author:** [@arjun0103](https://vapor.discourse.group/u/arjun0103)\ **Replies:** 0\ **Last updated:** [November 23, 2023, 10:21am UTC](https://vapor.discourse.group/t/adding-a-new-variable-to-a-vdc-file/346 "2023-11-23T10:21:09Z")
I want to know if it is possible to add a new variable to an already existing .vdc file (with the new variable having the same dimensions as the variables present in the file) ? --- ## [Can I run \*.vs3 or \*.vc3 in vapor\_python?](https://vapor.discourse.group/t/can-i-run-vs3-or-vc3-in-vapor-python/340)
**Author:** [@muteldw](https://vapor.discourse.group/u/muteldw)\ **Replies:** 2\ **Last updated:** [November 20, 2023, 5:38am UTC](https://vapor.discourse.group/t/can-i-run-vs3-or-vc3-in-vapor-python/340 "2023-11-20T05:38:31Z")
Hi, Does the vapor\_python provide the function that can run the \*.vs3 or \*.vc3 files? I made them in Window system and want to save time for writing the vapor\_python script. Thanks Yi - [Previous page](https://vapor.discourse.group/latest.md) [Next page](https://vapor.discourse.group/latest.md?page=2)