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Agarwal, Shankar

30 Mar 2010 30 Mar '10

3:27 p.m.

Hi, http://drop.io/Dark_Matter_Density In the above plot, the label is Dark_Matter_Density. But the "M" in matter and "D" in Density do not print correctly. How can I correct "M" and "D" ? Here is the script I am using... from yt.mods import * fn = "RedshiftOutput0001" pf = load(fn) reg = pf.h.region([0.5, 0.5, 0.5], [0.45, 0.0, 0.0], [0.55, 1.0, 1.0]) pf.h.save_object(reg, "region") reg1 = pf.h.load_object("region") pc = PlotCollection(pf,center=[0.5, 0.5, 0.5]) p = pc.add_projection("Dark_Matter_Density", 0, source=reg1) p.set_zlim(1e-8, 5e-3) pc.save("%s" % pf) Shankar

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Jean-Claude Passy

30 Mar 30 Mar

3:40 p.m.

Hi, try the LaTex syntax: p = pc.add_projection("Dark\_Matter\_Density", 0, source=reg1) Jean-Claude Agarwal, Shankar a écrit :

Hi,

http://drop.io/Dark_Matter_Density

In the above plot, the label is Dark_Matter_Density. But the "M" in matter and "D" in Density do not print correctly.

How can I correct "M" and "D" ?

Here is the script I am using...

from yt.mods import *

fn = "RedshiftOutput0001" pf = load(fn) reg = pf.h.region([0.5, 0.5, 0.5], [0.45, 0.0, 0.0], [0.55, 1.0, 1.0]) pf.h.save_object(reg, "region") reg1 = pf.h.load_object("region")

pc = PlotCollection(pf,center=[0.5, 0.5, 0.5]) p = pc.add_projection("Dark_Matter_Density", 0, source=reg1) p.set_zlim(1e-8, 5e-3) pc.save("%s" % pf)

Shankar _______________________________________________ yt-users mailing list yt-users@lists.spacepope.org http://lists.spacepope.org/listinfo.cgi/yt-users-spacepope.org

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Agarwal, Shankar

3:49 p.m.

Hi, nope. It gives a syntax error. Traceback (most recent call last): File "1.py", line 12, in <module> p = pc.add_projection("Dark\_Matter\_Density", 0, source=reg1) KeyError: 'Dark\\_Matter\\_Density' Shankar -----Original Message----- From: yt-users-bounces@lists.spacepope.org on behalf of Jean-Claude Passy Sent: Tue 3/30/2010 10:40 AM To: Discussion of the yt analysis package Subject: Re: [yt-users] Labels on plot Hi, try the LaTex syntax: p = pc.add_projection("Dark\_Matter\_Density", 0, source=reg1) Jean-Claude Agarwal, Shankar a écrit :

Hi,

http://drop.io/Dark_Matter_Density

In the above plot, the label is Dark_Matter_Density. But the "M" in matter and "D" in Density do not print correctly.

How can I correct "M" and "D" ?

Here is the script I am using...

from yt.mods import *

fn = "RedshiftOutput0001" pf = load(fn) reg = pf.h.region([0.5, 0.5, 0.5], [0.45, 0.0, 0.0], [0.55, 1.0, 1.0]) pf.h.save_object(reg, "region") reg1 = pf.h.load_object("region")

pc = PlotCollection(pf,center=[0.5, 0.5, 0.5]) p = pc.add_projection("Dark_Matter_Density", 0, source=reg1) p.set_zlim(1e-8, 5e-3) pc.save("%s" % pf)

Shankar _______________________________________________ yt-users mailing list yt-users@lists.spacepope.org http://lists.spacepope.org/listinfo.cgi/yt-users-spacepope.org

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Matthew Turk

4:12 p.m.

Hi Shankar, Jean-Claude, This is a wart in the code. I think Jeff Oishi is going to take a whack at fixing it broadly today, but here's a quick hotfix. Jean-Claude's right, it should be LaTeX-style syntax (with some caveats.) The trick is that the field name stays the same, but you apply a label afterward: p = pc.add_projection("Dark_Matter_Density",0) p.set_label("Dark Matter Density") Note that this will not have the "Dark Matter Density" rendered in a LaTeX (mathtext is the actual name) font. To do that, you specify it inside $'s: p.set_label(r"$\mathrm{Dark}\/\mathrm{Matter}\/\mathrm{Density}$") Note here that we have to put our roman text inside "\mathrm{}" calls, and we have to explicitly escape the spaces with "\/". Additionally, we make it a "raw" string, which means all special characters are unescaped -- that's what the preceding "r" is. Also, if you are *adding* a field, you can specify a "display_name" ( http://yt.enzotools.org/doc/howto/creating_derived_fields.html#field-options ) that will be used instead. For many fields, this is in the code, but evidently Dark_Matter_Density is not specified -- which is why it tries to render the field name. Hope that helps! -Matt On Tue, Mar 30, 2010 at 8:49 AM, Agarwal, Shankar wrote:

Hi,

nope. It gives a syntax error.

Traceback (most recent call last): File "1.py", line 12, in <module> p = pc.add_projection("Dark\_Matter\_Density", 0, source=reg1) KeyError: 'Dark\\_Matter\\_Density'

Shankar

-----Original Message----- From: yt-users-bounces@lists.spacepope.org on behalf of Jean-Claude Passy Sent: Tue 3/30/2010 10:40 AM To: Discussion of the yt analysis package Subject: Re: [yt-users] Labels on plot

Hi,

try the LaTex syntax:

p = pc.add_projection("Dark\_Matter\_Density", 0, source=reg1)

Jean-Claude

Agarwal, Shankar a écrit :

...
Hi,

http://drop.io/Dark_Matter_Density

In the above plot, the label is Dark_Matter_Density. But the "M" in matter and "D" in Density do not print correctly.

How can I correct "M" and "D" ?

Here is the script I am using...

from yt.mods import *

fn = "RedshiftOutput0001" pf = load(fn) reg = pf.h.region([0.5, 0.5, 0.5], [0.45, 0.0, 0.0], [0.55, 1.0, 1.0]) pf.h.save_object(reg, "region") reg1 = pf.h.load_object("region")

pc = PlotCollection(pf,center=[0.5, 0.5, 0.5]) p = pc.add_projection("Dark_Matter_Density", 0, source=reg1) p.set_zlim(1e-8, 5e-3) pc.save("%s" % pf)

Shankar _______________________________________________ yt-users mailing list yt-users@lists.spacepope.org http://lists.spacepope.org/listinfo.cgi/yt-users-spacepope.org

_______________________________________________ yt-users mailing list yt-users@lists.spacepope.org http://lists.spacepope.org/listinfo.cgi/yt-users-spacepope.org

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Jean-Claude Passy

4:18 p.m.

Hi, uhhhh I am stupid. "Dark_Matter_Density" is actually your key, not the label... So yes, keep it that way. The error seems to come from an error in yt which generates automatically a label. May be there is a way to force yt to use a certain label ? JC Agarwal, Shankar a écrit :

Hi,

nope. It gives a syntax error.

Traceback (most recent call last): File "1.py", line 12, in <module> p = pc.add_projection("Dark\_Matter\_Density", 0, source=reg1) KeyError: 'Dark\\_Matter\\_Density'

Shankar

-----Original Message----- From: yt-users-bounces@lists.spacepope.org on behalf of Jean-Claude Passy Sent: Tue 3/30/2010 10:40 AM To: Discussion of the yt analysis package Subject: Re: [yt-users] Labels on plot

Hi,

try the LaTex syntax:

p = pc.add_projection("Dark\_Matter\_Density", 0, source=reg1)

Jean-Claude

Agarwal, Shankar a écrit :

...
Hi,

http://drop.io/Dark_Matter_Density

In the above plot, the label is Dark_Matter_Density. But the "M" in matter and "D" in Density do not print correctly.

How can I correct "M" and "D" ?

Here is the script I am using...

from yt.mods import *

fn = "RedshiftOutput0001" pf = load(fn) reg = pf.h.region([0.5, 0.5, 0.5], [0.45, 0.0, 0.0], [0.55, 1.0, 1.0]) pf.h.save_object(reg, "region") reg1 = pf.h.load_object("region")

pc = PlotCollection(pf,center=[0.5, 0.5, 0.5]) p = pc.add_projection("Dark_Matter_Density", 0, source=reg1) p.set_zlim(1e-8, 5e-3) pc.save("%s" % pf)

Shankar _______________________________________________ yt-users mailing list yt-users@lists.spacepope.org http://lists.spacepope.org/listinfo.cgi/yt-users-spacepope.org

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Jean-Claude Passy

4:18 p.m.

Hi, uhhhh I am stupid. "Dark_Matter_Density" is actually your key, not the label... So yes, keep it that way. The error seems to come from an error in yt which generates automatically a label - with lower case letters in your case. May be there is a way to force yt to use a certain label ? JC Agarwal, Shankar a écrit :

Hi,

nope. It gives a syntax error.

Traceback (most recent call last): File "1.py", line 12, in <module> p = pc.add_projection("Dark\_Matter\_Density", 0, source=reg1) KeyError: 'Dark\\_Matter\\_Density'

Shankar

-----Original Message----- From: yt-users-bounces@lists.spacepope.org on behalf of Jean-Claude Passy Sent: Tue 3/30/2010 10:40 AM To: Discussion of the yt analysis package Subject: Re: [yt-users] Labels on plot

Hi,

try the LaTex syntax:

p = pc.add_projection("Dark\_Matter\_Density", 0, source=reg1)

Jean-Claude

Agarwal, Shankar a écrit :

...
Hi,

http://drop.io/Dark_Matter_Density

In the above plot, the label is Dark_Matter_Density. But the "M" in matter and "D" in Density do not print correctly.

How can I correct "M" and "D" ?

Here is the script I am using...

from yt.mods import *

fn = "RedshiftOutput0001" pf = load(fn) reg = pf.h.region([0.5, 0.5, 0.5], [0.45, 0.0, 0.0], [0.55, 1.0, 1.0]) pf.h.save_object(reg, "region") reg1 = pf.h.load_object("region")

pc = PlotCollection(pf,center=[0.5, 0.5, 0.5]) p = pc.add_projection("Dark_Matter_Density", 0, source=reg1) p.set_zlim(1e-8, 5e-3) pc.save("%s" % pf)

Shankar _______________________________________________ yt-users mailing list yt-users@lists.spacepope.org http://lists.spacepope.org/listinfo.cgi/yt-users-spacepope.org

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Jean-Claude Passy

4:22 p.m.

Here you go ! Thanks Matt, JC Matthew Turk a écrit :

Hi Shankar, Jean-Claude,

This is a wart in the code. I think Jeff Oishi is going to take a whack at fixing it broadly today, but here's a quick hotfix.

Jean-Claude's right, it should be LaTeX-style syntax (with some caveats.) The trick is that the field name stays the same, but you apply a label afterward:

p = pc.add_projection("Dark_Matter_Density",0) p.set_label("Dark Matter Density")

Note that this will not have the "Dark Matter Density" rendered in a LaTeX (mathtext is the actual name) font. To do that, you specify it inside $'s:

p.set_label(r"$\mathrm{Dark}\/\mathrm{Matter}\/\mathrm{Density}$")

Note here that we have to put our roman text inside "\mathrm{}" calls, and we have to explicitly escape the spaces with "\/". Additionally, we make it a "raw" string, which means all special characters are unescaped -- that's what the preceding "r" is.

Also, if you are *adding* a field, you can specify a "display_name" ( http://yt.enzotools.org/doc/howto/creating_derived_fields.html#field-options ) that will be used instead. For many fields, this is in the code, but evidently Dark_Matter_Density is not specified -- which is why it tries to render the field name.

Hope that helps!

-Matt

On Tue, Mar 30, 2010 at 8:49 AM, Agarwal, Shankar wrote:

...
Hi,

nope. It gives a syntax error.

Traceback (most recent call last): File "1.py", line 12, in <module> p = pc.add_projection("Dark\_Matter\_Density", 0, source=reg1) KeyError: 'Dark\\_Matter\\_Density'

Shankar

-----Original Message----- From: yt-users-bounces@lists.spacepope.org on behalf of Jean-Claude Passy Sent: Tue 3/30/2010 10:40 AM To: Discussion of the yt analysis package Subject: Re: [yt-users] Labels on plot

Hi,

try the LaTex syntax:

p = pc.add_projection("Dark\_Matter\_Density", 0, source=reg1)

Jean-Claude

Agarwal, Shankar a écrit :

...
Hi,

http://drop.io/Dark_Matter_Density

In the above plot, the label is Dark_Matter_Density. But the "M" in matter and "D" in Density do not print correctly.

How can I correct "M" and "D" ?

Here is the script I am using...

from yt.mods import *

fn = "RedshiftOutput0001" pf = load(fn) reg = pf.h.region([0.5, 0.5, 0.5], [0.45, 0.0, 0.0], [0.55, 1.0, 1.0]) pf.h.save_object(reg, "region") reg1 = pf.h.load_object("region")

pc = PlotCollection(pf,center=[0.5, 0.5, 0.5]) p = pc.add_projection("Dark_Matter_Density", 0, source=reg1) p.set_zlim(1e-8, 5e-3) pc.save("%s" % pf)

Shankar _______________________________________________ yt-users mailing list yt-users@lists.spacepope.org http://lists.spacepope.org/listinfo.cgi/yt-users-spacepope.org

_______________________________________________ yt-users mailing list yt-users@lists.spacepope.org http://lists.spacepope.org/listinfo.cgi/yt-users-spacepope.org

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j s oishi

9:59 p.m.

Hi Shankar, This has been fixed in yt 1.6 and in trunk. It should properly display now. Please update and let me know if there are any problems. j

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Agarwal, Shankar
j s oishi
Jean-Claude Passy
Matthew Turk