[yt-users] Camera/Off Axis Options

Dear Suoqing Ji: I was able to implement the off axis using velocity field (drive link below). My script yt_velocity_fields.py plots for a normal vector (L=0,1,0) in the x-z plane (figure L010.png) which is correct. But for an azimuth angle of say 45 degrees (L=1,0,1) it gives me a plot L101.png which is not what I am looking for. I would like to view the same plot L010.png but at an azimuth of 45 degrees (in the x-z plane). Could you let me know if there is any error in my script or any suggestion for the same? PS: While running the script I do get a runtime warning which is below Thanks in advance Drive link: https://drive.google.com/open?id=0B4g8shg4DL7oak5PLWVVdG5UMHc Runtime Warning:- yt : [WARNING ] 2016-04-27 18:42:52,889 Plot image for field ('gas', 'velocity_y') has both positive and negative values. Min = -0.016403, Max = 0.016403. yt : [WARNING ] 2016-04-27 18:42:52,890 Switching to symlog colorbar scaling unless linear scaling is specified later /state/partition1/anaconda/lib/python2.7/site-packages/matplotlib/colors.py:1115: RuntimeWarning: invalid value encountered in greater masked = np.abs(a) > self.linthresh /state/partition1/anaconda/lib/python2.7/site-packages/matplotlib/colors.py:1127: RuntimeWarning: invalid value encountered in greater masked = np.abs(a) > (self.linthresh * self._linscale_adj) /state/partition1/anaconda/lib/python2.7/site-packages/numpy/ma/core.py:809: RuntimeWarning: invalid value encountered in greater_equal return umath.absolute(a) * self.tolerance >= umath.absolute(b) /state/partition1/anaconda/lib/python2.7/site-packages/matplotlib/colorbar.py:600: RuntimeWarning: invalid value encountered in less_equal b = b[(b <= intv[1] + eps) & (b >= intv[0] - eps)] /state/partition1/anaconda/lib/python2.7/site-packages/matplotlib/colorbar.py:600: RuntimeWarning: invalid value encountered in greater_equal b = b[(b <= intv[1] + eps) & (b >= intv[0] - eps)] yt : [WARNING ] 2016-04-27 18:42:53,336 Plot image for field ('gas', 'velocity_z') has both positive and negative values. Min = -0.071274, Max = 0.012600. yt : [WARNING ] 2016-04-27 18:42:53,336 Switching to symlog colorbar scaling unless linear scaling is specified later yt : [WARNING ] 2016-04-27 18:42:53,896 Plot image for field ('gas', 'velocity_x') has both positive and negative values. Min = -0.000971, Max = 0.047361. yt : [WARNING ] 2016-04-27 18:42:53,896 Switching to symlog colorbar scaling unless linear scaling is specified later yt : [INFO ] 2016-04-27 18:42:54,742 Saving plot UniformGridData_OffAxisSlice_velocity_y.png /state/partition1/anaconda/lib/python2.7/site-packages/matplotlib/colors.py:581: RuntimeWarning: invalid value encountered in less cbook._putmask(xa, xa < 0.0, -1) yt : [INFO ] 2016-04-27 18:42:55,407 Saving plot UniformGridData_OffAxisSlice_velocity_z.png yt : [INFO ] 2016-04-27 18:42:56,004 Saving plot UniformGridData_OffAxisSlice_velocity_x.png On Tue, Apr 26, 2016 at 2:32 PM, wrote:

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Today's Topics:

1. Re: Camera/Off axis Options (Suoqing Ji)

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Message: 1 Date: Tue, 26 Apr 2016 12:32:46 -0700 From: Suoqing Ji To: Discussion of the yt analysis package Subject: Re: [yt-users] Camera/Off axis Options Message-ID: <9C1BAC66-15F1-4488-BC94-DCB9CBF0E5D8@physics.ucsb.edu> Content-Type: text/plain; charset="utf-8"

Hi Sushil,

Thanks for reporting this! I?ve filed an issue here: https://bitbucket.org/yt_analysis/yt/issues/1213/annotate_magnetic_field-fai... < https://bitbucket.org/yt_analysis/yt/issues/1213/annotate_magnetic_field-fai...

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In the meanwhile, you could temporarily circumvent this problem by loading your dataset as velocity field and use ?annotate_velocity?...

Best wishes, -- Suoqing JI Ph.D Candidate Department of Physics University of California, Santa Barbara http://web.physics.ucsb.edu/~suoqing

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On Apr 26, 2016, at 6:31 AM, Sushilkumar wrote:

Dear Suoqing Ji:

I was able to implement the off axis in my script (drive link below, file is yt_magnetic_fields.py). But there seems to be a problem. For any off axis value like (1,1,0) I get an error which is given below.

I am trying to get a z-x plane and view it at an angle of 15,45,60 degrees respectively. It works for along the axis normal vector like (1,0,0) and so on but for off axis value it gives me the error.

Could you let me know if there is any error in the script or ways to overcome it?

Thanks in advance

https://drive.google.com/open?id=0B4g8shg4DL7oak5PLWVVdG5UMHc < https://drive.google.com/open?id=0B4g8shg4DL7oak5PLWVVdG5UMHc>

Error:

Traceback (most recent call last): File "yt_magnetic_fields.py", line 39, in <module> slc.save() File "/state/partition1/anaconda/lib/python2.7/site-packages/yt/visualization/plot_container.py", line 77, in newfunc args[0]._setup_plots() File "/state/partition1/anaconda/lib/python2.7/site-packages/yt/visualization/plot_window.py", line 980, in _setup_plots self.run_callbacks() File "/state/partition1/anaconda/lib/python2.7/site-packages/yt/visualization/plot_window.py", line 1033, in run_callbacks sys.exc_info()[2]) File "/state/partition1/anaconda/lib/python2.7/site-packages/yt/visualization/plot_window.py", line 1029, in run_callbacks callback(cbw) File "/state/partition1/anaconda/lib/python2.7/site-packages/yt/visualization/plot_modifications.py", line 316, in __call__ return qcb(plot) File "/state/partition1/anaconda/lib/python2.7/site-packages/yt/visualization/plot_modifications.py", line 837, in __call__ plot.data[self.field_x], File "/state/partition1/anaconda/lib/python2.7/site-packages/yt/data_objects/data_containers.py", line 246, in __getitem__ f = self._determine_fields([key])[0] File "/state/partition1/anaconda/lib/python2.7/site-packages/yt/data_objects/data_containers.py", line 518, in _determine_fields finfo = self.ds._get_field_info("unknown", fname) File "/state/partition1/anaconda/lib/python2.7/site-packages/yt/data_objects/static_output.py", line 543, in _get_field_info raise YTFieldNotFound((ftype, fname), self) yt.utilities.exceptions.YTPlotCallbackError: annotate_magnetic_field callback failed with the following error: Could not find field '('all', 'cutting_plane_bx')' in UniformGridData

On Thu, Apr 21, 2016 at 3:46 PM, mailto:yt-users-request@lists.spacepope.org> wrote: Send yt-users mailing list submissions to yt-users@lists.spacepope.org

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Today's Topics:

1. Re: Camera Options (Suoqing Ji)

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Message: 1 Date: Thu, 21 Apr 2016 13:45:53 -0700 From: Suoqing Ji > To: Discussion of the yt analysis package > Subject: Re: [yt-users] Camera Options Message-ID: mailto:AAE382DD-ADD2-4D85-BB1E-150B49CFBA40@physics.ucsb.edu> Content-Type: text/plain; charset="utf-8"

Hi Sushi,

What you need to do this to make use of off-axis slice plot instead of camera; for example, in your code:

L = [1, 0, 0] # View along x axis north_vector = [0, 0, 1] slc = yt.SlicePlot(pf, L, ?magnetic_field_x", width=(100,'km?), north_vector=north_vector) slc.annotate_magnetic_field(factor=40, normalize=True)

which gives you the view along x axis. And if you want to rotate the viewing angle by, say 45 degree, you could change the normal vector L to be L = [1, 1, 0], and redo the plotting.

Also, when you load the data, you probably need to change the name ?field_x? to be ?magnetic_field_x? and so on, so the annotate_magnetic_field function will recognize these names.

Best wishes, -- Suoqing JI Ph.D Candidate Department of Physics University of California, Santa Barbara http://web.physics.ucsb.edu/~suoqing < http://web.physics.ucsb.edu/~suoqing>

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On Apr 21, 2016, at 1:28 PM, Sushilkumar mailto:sushil.sush19us@gmail.com> wrote:

Dear Suoqing Ji:

The fields Bx,By and Bz are already calculated taking into account the rotation. So I am not sure if I need to calculate it again.

What I would like is only change the camera view to a desired angle after I do a slice plot and that is where I am having trouble with?

Thanks in advance.

On Thu, Apr 21, 2016 at 3:20 PM, mailto:yt-users-request@lists.spacepope.org >> wrote: Send yt-users mailing list submissions to yt-users@lists.spacepope.org mailto:yt-users@lists.spacepope.org>

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Today's Topics:

1. Re: Camera Options (Suoqing Ji)

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Message: 1 Date: Thu, 21 Apr 2016 13:20:32 -0700 From: Suoqing Ji >> To: Discussion of the yt analysis package mailto:yt-users@lists.spacepope.org>> Subject: Re: [yt-users] Camera Options Message-ID: mailto:FB001F5B-2521-4705-8D31-3166451BCA58@physics.ucsb.edu >> Content-Type: text/plain; charset="utf-8"

I see ? that?s a smart way of doing this!

Best wishes, Suoqing

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On Apr 21, 2016, at 12:44 PM, Nathan Goldbaum mailto:nathan12343@gmail.com >> wrote:

On Thu, Apr 21, 2016 at 2:41 PM, Suoqing Ji < suoqing@physics.ucsb.edu mailto:suoqing@physics.ucsb.edu mailto:suoqing@physics.ucsb.edu> mailto:suoqing@physics.ucsb.edu mailto:suoqing@physics.ucsb.edu>>> wrote: Hi Nathan,

I do not have a 3D MHD data at hand, but I?ve tried one with slc.annotate_quiver('velocity_x', 'velocity_y'), which gives the following error:

File "off_axis.py", line 49, in <module> slc.save(pf.basename) File "/usr/local/yt3/yt-x86_64/src/yt-hg/yt/visualization/plot_container.py", line 76, in newfunc args[0].run_callbacks() File "/usr/local/yt3/yt-x86_64/src/yt-hg/yt/visualization/plot_window.py", line 1029, in run_callbacks sys.exc_info()[2]) File "/usr/local/yt3/yt-x86_64/src/yt-hg/yt/visualization/plot_window.py", line 1025, in run_callbacks callback(cbw) File "/usr/local/yt3/yt-x86_64/src/yt-hg/yt/visualization/plot_modifications.py", line 352, in __call__ (xi, yi) = (ds.coordinates.x_axis[ax], yt.utilities.exceptions.YTPlotCallbackError: annotate_quiver callback failed with the following error: 4

Right, I bet it will work if you do `annotate_velocity()` though.

You should take a look at the definition of the VelocityCallback to see how it handles off-axis slices.

Best wishes, -- Suoqing JI Ph.D Candidate Department of Physics University of California, Santa Barbara http://web.physics.ucsb.edu/~suoqing < http://web.physics.ucsb.edu/~suoqing> < http://web.physics.ucsb.edu/~suoqing http://web.physics.ucsb.edu/~suoqing> <http://web.physics.ucsb.edu/~suoqing < http://web.physics.ucsb.edu/~suoqing> < http://web.physics.ucsb.edu/~suoqing <http://web.physics.ucsb.edu/~suoqing

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On Apr 21, 2016, at 12:35 PM, Nathan Goldbaum < nathan12343@gmail.com mailto:nathan12343@gmail.com mailto:nathan12343@gmail.com> mailto:nathan12343@gmail.com mailto:nathan12343@gmail.com>>> wrote:

On Thu, Apr 21, 2016 at 2:30 PM, Suoqing Ji < suoqing@physics.ucsb.edu mailto:suoqing@physics.ucsb.edu mailto:suoqing@physics.ucsb.edu> mailto:suoqing@physics.ucsb.edu mailto:suoqing@physics.ucsb.edu>>> wrote: Hi Sushi,

The quiver/streamline option you?ve used works for 2d plotting but not for volume rendering, so I might suggest to use off-axis slice plot: http://yt-project.org/doc/visualizing/plots.html#off-axis-slices < http://yt-project.org/doc/visualizing/plots.html#off-axis-slices> < http://yt-project.org/doc/visualizing/plots.html#off-axis-slices < http://yt-project.org/doc/visualizing/plots.html#off-axis-slices>> < http://yt-project.org/doc/visualizing/plots.html#off-axis-slices < http://yt-project.org/doc/visualizing/plots.html#off-axis-slices> < http://yt-project.org/doc/visualizing/plots.html#off-axis-slices < http://yt-project.org/doc/visualizing/plots.html#off-axis-slices>>>

Unfortunately, quiver/streamline does not work (and/or does not work correctly) for off axis slice plot now, but your goal is still achievable via the following steps:

Are you sure about that? There's a `CuttingQuiverCallback` for off-axis slices. If you do `annotate_magnetic_fields`, it will automatically choose the `CuttingQuiverCallback` for off-axis slices.

1. Use fixed resolution buffer to get the off-axis sliced field values including Bx, By and Bz (see this as an example, and replace SlicePlot with OffAxisSlicePlot: http://yt-project.org/docs/dev/cookbook/complex_plots.html?highlight=fixedre... < http://yt-project.org/docs/dev/cookbook/complex_plots.html?highlight=fixedresolutionbuffer#multi-plot-slice-and-projections> < http://yt-project.org/docs/dev/cookbook/complex_plots.html?highlight=fixedre... < http://yt-project.org/docs/dev/cookbook/complex_plots.html?highlight=fixedresolutionbuffer#multi-plot-slice-and-projections>> < http://yt-project.org/docs/dev/cookbook/complex_plots.html?highlight=fixedre... < http://yt-project.org/docs/dev/cookbook/complex_plots.html?highlight=fixedresolutionbuffer#multi-plot-slice-and-projections> <http://yt-project.org/docs/dev/cookbook/complex_plots.html?highl ight=fixedresolutionbuffer#multi-plot-slice-and-projections < http://yt-project.org/docs/dev/cookbook/complex_plots.html?highlight=fixedresolutionbuffer#multi-plot-slice-and-projections>>>), then you get a 2D array for each field;

2. Compute the magnetic field vectors projected onto the rotated viewing plane (perpendicular to your normal vector), based on field values of Bx, By and Bz; now you have two 2D arrays for each components of B field vectors after rotation;

3. Use quiver function in matplotlib and plot the B field vectors after rotation, see: http://matplotlib.org/examples/pylab_examples/quiver_demo.html < http://matplotlib.org/examples/pylab_examples/quiver_demo.html> < http://matplotlib.org/examples/pylab_examples/quiver_demo.html < http://matplotlib.org/examples/pylab_examples/quiver_demo.html>> < http://matplotlib.org/examples/pylab_examples/quiver_demo.html < http://matplotlib.org/examples/pylab_examples/quiver_demo.html> < http://matplotlib.org/examples/pylab_examples/quiver_demo.html < http://matplotlib.org/examples/pylab_examples/quiver_demo.html>>>

Hope this helps! Perhaps there?s an easier way that I do not know...

Best wishes, -- Suoqing JI Ph.D Candidate Department of Physics University of California, Santa Barbara http://web.physics.ucsb.edu/~suoqing < http://web.physics.ucsb.edu/~suoqing> < http://web.physics.ucsb.edu/~suoqing http://web.physics.ucsb.edu/~suoqing> <http://web.physics.ucsb.edu/~suoqing < http://web.physics.ucsb.edu/~suoqing> < http://web.physics.ucsb.edu/~suoqing <http://web.physics.ucsb.edu/~suoqing

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On Apr 21, 2016, at 10:31 AM, Sushilkumar < sushil.sush19us@gmail.com mailto:sushil.sush19us@gmail.com mailto:sushil.sush19us@gmail.com> mailto:sushil.sush19us@gmail.com mailto:sushil.sush19us@gmail.com>>> wrote:

Dear yt:

I am having trouble with the camera option on yt.

The google drive link is https://drive.google.com/open?id=0B4g8shg4DL7oak5PLWVVdG5UMHc < https://drive.google.com/open?id=0B4g8shg4DL7oak5PLWVVdG5UMHc> < https://drive.google.com/open?id=0B4g8shg4DL7oak5PLWVVdG5UMHc < https://drive.google.com/open?id=0B4g8shg4DL7oak5PLWVVdG5UMHc>> < https://drive.google.com/open?id=0B4g8shg4DL7oak5PLWVVdG5UMHc < https://drive.google.com/open?id=0B4g8shg4DL7oak5PLWVVdG5UMHc> < https://drive.google.com/open?id=0B4g8shg4DL7oak5PLWVVdG5UMHc < https://drive.google.com/open?id=0B4g8shg4DL7oak5PLWVVdG5UMHc>>>

I want to change the view of the camera at an angle after the Slice (x-z plane) and Quiver option.

My script is yt_cam_rot.py. Without the camera options I get the desired plot (UniformGridData_Slice.png) but when I use the camera I get a empty screen. I am not sure where I am going wrong.

I am using these links for my reference

http://yt-project.org/doc/cookbook/complex_plots.html#moving-a-volume-render... < http://yt-project.org/doc/cookbook/complex_plots.html#moving-a-volume-rendering-camera> < http://yt-project.org/doc/cookbook/complex_plots.html#moving-a-volume-render... < http://yt-project.org/doc/cookbook/complex_plots.html#moving-a-volume-rendering-camera>> < http://yt-project.org/doc/cookbook/complex_plots.html#moving-a-volume-render... < http://yt-project.org/doc/cookbook/complex_plots.html#moving-a-volume-rendering-camera> < http://yt-project.org/doc/cookbook/complex_plots.html#moving-a-volume-render... < http://yt-project.org/doc/cookbook/complex_plots.html#moving-a-volume-render...

...

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http://yt-project.org/doc/visualizing/volume_rendering.html#volume-rendering < http://yt-project.org/doc/visualizing/volume_rendering.html#volume-rendering> < http://yt-project.org/doc/visualizing/volume_rendering.html#volume-rendering < http://yt-project.org/doc/visualizing/volume_rendering.html#volume-rendering>> < http://yt-project.org/doc/visualizing/volume_rendering.html#volume-rendering < http://yt-project.org/doc/visualizing/volume_rendering.html#volume-rendering> < http://yt-project.org/doc/visualizing/volume_rendering.html#volume-rendering < http://yt-project.org/doc/visualizing/volume_rendering.html#volume-rendering

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Thanks in advance

On Fri, Apr 15, 2016 at 4:49 PM, Sushilkumar <

sushil.sush19us@gmail.com mailto:sushil.sush19us@gmail.com mailto:sushil.sush19us@gmail.com> mailto:sushil.sush19us@gmail.com mailto:sushil.sush19us@gmail.com>>> wrote:

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Dear Suoqing JI:

Thank you

On Fri, Apr 15, 2016 at 12:59 PM, < yt-users-request@lists.spacepope.org > >>> wrote: Send yt-users mailing list submissions to yt-users@lists.spacepope.org mailto:yt-users@lists.spacepope.org> mailto:yt-users@lists.spacepope.org

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Today's Topics:

1. Re: Camera Options (Suoqing Ji)

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Message: 1 Date: Fri, 15 Apr 2016 10:59:22 -0700 From: Suoqing Ji

suoqing@physics.ucsb.edu> > >>>

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To: Discussion of the yt analysis package mailto:yt-users@lists.spacepope.org> mailto:yt-users@lists.spacepope.org

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Subject: Re: [yt-users] Camera Options Message-ID: mailto:B885F215-5F0A-49D5-9712-2D8FCEAA1366@physics.ucsb.edu > >>> Content-Type: text/plain; charset="utf-8"

Hi Sushi,

I think the off-axis slice/projection plot will meet your requirement best, where the camera orientation is determined by the normal vector:

http://yt-project.org/doc/visualizing/plots.html#off-axis-slices < http://yt-project.org/doc/visualizing/plots.html#off-axis-slices> < http://yt-project.org/doc/visualizing/plots.html#off-axis-slices < http://yt-project.org/doc/visualizing/plots.html#off-axis-slices>> < http://yt-project.org/doc/visualizing/plots.html#off-axis-slices < http://yt-project.org/doc/visualizing/plots.html#off-axis-slices> < http://yt-project.org/doc/visualizing/plots.html#off-axis-slices < http://yt-project.org/doc/visualizing/plots.html#off-axis-slices>>> < http://yt-project.org/doc/visualizing/plots.html#off-axis-slices < http://yt-project.org/doc/visualizing/plots.html#off-axis-slices> < http://yt-project.org/doc/visualizing/plots.html#off-axis-slices < http://yt-project.org/doc/visualizing/plots.html#off-axis-slices>> < http://yt-project.org/doc/visualizing/plots.html#off-axis-slices < http://yt-project.org/doc/visualizing/plots.html#off-axis-slices> < http://yt-project.org/doc/visualizing/plots.htm l#off-axis-slices < http://yt-project.org/doc/visualizing/plots.html#off-axis-slices>>>>

http://yt-project.org/doc/visualizing/plots.html#off-axis-projection-plots < http://yt-project.org/doc/visualizing/plots.html#off-axis-projection-plots> < http://yt-project.org/doc/visualizing/plots.html#off-axis-projection-plots < http://yt-project.org/doc/visualizing/plots.html#off-axis-projection-plots>> < http://yt-project.org/doc/visualizing/plots.html#off-axis-projection-plots < http://yt-project.org/doc/visualizing/plots.html#off-axis-projection-plots> < http://yt-project.org/doc/visualizing/plots.html#off-axis-projection-plots < http://yt-project.org/doc/visualizing/plots.html#off-axis-projection-plots>>> < http://yt-project.org/doc/visualizing/plots.html#off-axis-projection-plots < http://yt-project.org/doc/visualizing/plots.html#off-axis-projection-plots> < http://yt-project.org/doc/visualizing/plots.html#off-axis-projection-plots < http://yt-project.org/doc/visualizing/plots.html#off-axis-projection-plots>> <http://yt-project.org/doc/visualizing/plots.html#off-axis-pr ojection-plots < http://yt-project.org/doc/visualizing/plots.html#off-axis-projection-plots> < http://yt-project.org/doc/visualizing/plots.html#off-axis-projection-plots < http://yt-project.org/doc/visualizing/plots.html#off-axis-projection-plots

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And of course, if you?re interested in the features provided by

volume rendering, it?s also worth a try. This cookbook gives an example of moving a camera; specifically you might want to use the camera.rotation:

...

http://yt-project.org/doc/cookbook/complex_plots.html#moving-a-volume-render... < http://yt-project.org/doc/cookbook/complex_plots.html#moving-a-volume-rendering-camera> < http://yt-project.org/doc/cookbook/complex_plots.html#moving-a-volume-render... < http://yt-project.org/doc/cookbook/complex_plots.html#moving-a-volume-rendering-camera>> < http://yt-project.org/doc/cookbook/complex_plots.html#moving-a-volume-render... < http://yt-project.org/doc/cookbook/complex_plots.html#moving-a-volume-rendering-camera> < http://yt-project.org/doc/cookbook/complex_plots.html#moving-a-volume-render... < http://yt-project.org/doc/cookbook/complex_plots.html#moving-a-volume-rendering-camera>>> < http://yt-project.org/doc/cookbook/complex_plots.html#moving-a-volume-render... < http://yt-project.org/doc/cookbook/complex_plots.html#moving-a-volume-rendering-camera> < http://yt-project.org/doc/cookbook/complex_plots.html#moving-a-volume-render... > < http://yt-project.org/doc/cookbook/complex_plots.html#moving-a-volume-render... < http://yt-project.org/doc/cookbook/complex_plots.html#moving-a-volume-rendering-camera> < http://yt-project.org/doc/cookbook/complex_plots.html#moving-a-volume-render... < http://yt-project.org/doc/cookbook/complex_plots.html#moving-a-volume-render...

...

Best wishes, -- Suoqing JI Ph.D Candidate Department of Physics University of California, Santa Barbara http://web.physics.ucsb.edu/~suoqing <

http://web.physics.ucsb.edu/~suoqing> < http://web.physics.ucsb.edu/~suoqing http://web.physics.ucsb.edu/~suoqing> <http://web.physics.ucsb.edu/~suoqing < http://web.physics.ucsb.edu/~suoqing> < http://web.physics.ucsb.edu/~suoqing <http://web.physics.ucsb.edu/~suoqing

...

...

> On Apr 15, 2016, at 8:38 AM, Sushilkumar <

sushil.sush19us@gmail.com mailto:sushil.sush19us@gmail.com mailto:sushil.sush19us@gmail.com> mailto:sushil.sush19us@gmail.com mailto:sushil.sush19us@gmail.com>>> wrote:

...

> > Dear yt: > > I would like to change/customize/rotate my camera angle for my slice plots without rotating the axis. > > What options do I have using yt if I want to move my camera angle by say 45 degrees? > > Can I use the following link or can you suggest me something else > http://yt-project.org/doc/visualizing/volume_rendering.html < http://yt-project.org/doc/visualizing/volume_rendering.html> < http://yt-project.org/doc/visualizing/volume_rendering.html < http://yt-project.org/doc/visualizing/volume_rendering.html>> < http://yt-project.org/doc/visualizing/volume_rendering.html < http://yt-project.org/doc/visualizing/volume_rendering.html> < http://yt-project.org/doc/visualizing/volume_rendering.html < http://yt-project.org/doc/visualizing/volume_rendering.html>>> < http://yt-project.org/doc/visualizing/volume_rendering.html < http://yt-project.org/doc/visualizing/volume_rendering.html> < http://yt-project.org/doc/visualizing/volume_rendering.html < http://yt-project.org/doc/visualizing/volume_rendering.html>> < http://yt-project.org/doc/visualizing/volume_rendering.html < http://yt-project.org/doc/visualizing/volume_rendering.html> < http://yt-project.org/doc/visualizing/volume_rendering.html < http://yt-project.org/doc/visualizing/volume_rendering .html>>>> > > Thanks in advance

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