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Archived discussions · Captured October 28, 2026

Rotate axis but not the label

Community Support
Fabian
Fabian

Hi,

I would like to create a Mollier-diagram, which displays the properties (temperature, absolute and relative humidity, enthalpy and density) of humid air for a given pressure.

For this one needs to rotate one axis by a certain angle (see the picture below). Is this at all possible in bokeh? Maybe, I need to do this directly with the available data!?

Thanks!

Fabian

https://www.engineeringtoolbox.com/mollier-psychrometric-chart-d_241.html

http://www.conservationphysics.org/mollier/moll1.php

Inline image 1

···

Regards!
Fabian

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Bryan
Bryan

Hi,

All the current built in axes and grid are are aligned with the underlying canvas, i.e. are only horizontal or vertical. Bokeh could certainly be used to draw a skewed axes and grids, but you'd have to do it "by hand" so to speak, by using glyph methods like line, segment, text, etc to draw grid lines, tick, and tick labels, etc at positions you compute yourself. (Alternatively you could create custom extensions to control the drawing directly from JavaScript).

Thanks,

Bryan

···

On Dec 4, 2017, at 03:47, 'Fabian Braennstroem' via Bokeh Discussion - Public <bokeh@continuum.io> wrote:

Hi,

I would like to create a Mollier-diagram, which displays the properties (temperature, absolute and relative humidity, enthalpy and density) of humid air for a given pressure.

For this one needs to rotate one axis by a certain angle (see the picture below). Is this at all possible in bokeh? Maybe, I need to do this directly with the available data!?

Thanks!
Fabian

Moist Air - Transforming the Mollier Diagram to a Psychrometric Chart - or vice versa
http://www.conservationphysics.org/mollier/moll1.php
<image.png>
--
Regards!
Fabian

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Fabian
Fabian

Hi Bryan,

ok, thank you for the quick information! I will see how I can achieve this.

Best Regards

Fabian

···

On 04.12.2017 18:49, Bryan Van de ven wrote:

Hi,

All the current built in axes and grid are are aligned with the underlying canvas, i.e. are only horizontal or vertical. Bokeh could certainly be used to draw a skewed axes and grids, but you'd have to do it "by hand" so to speak, by using glyph methods like line, segment, text, etc to draw grid lines, tick, and tick labels, etc at positions you compute yourself. (Alternatively you could create custom extensions to control the drawing directly from JavaScript).

Thanks,

Bryan

On Dec 4, 2017, at 03:47, 'Fabian Braennstroem' via Bokeh Discussion - Public <bokeh@continuum.io> wrote:

Hi,

I would like to create a Mollier-diagram, which displays the properties (temperature, absolute and relative humidity, enthalpy and density) of humid air for a given pressure.

For this one needs to rotate one axis by a certain angle (see the picture below). Is this at all possible in bokeh? Maybe, I need to do this directly with the available data!?

Thanks!
Fabian

Moist Air - Transforming the Mollier Diagram to a Psychrometric Chart - or vice versa
http://www.conservationphysics.org/mollier/moll1.php
<image.png>
--
Regards!
Fabian

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To view this discussion on the web visit https://groups.google.com/a/continuum.io/d/msgid/bokeh/CAGzVTvKpkK6WcG%2BRuoxaEEHGvyCQvY241M%3DX-enZAh6uq9mivA%40mail.gmail.com\.
For more options, visit https://groups.google.com/a/continuum.io/d/optout\.

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End of archived discussion · Replies are disabled