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Mention the roles of "center" and "extent" in visual/global/{azimuth,elevation}. Fixes #1407.

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PiperOrigin-RevId: 605649532
Change-Id: I0ca0142a3c164a502fefb6b91d204c4bb3d25a95
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Yuval Tassa
2024-02-09 09:21:41 -08:00
committed by Copybara-Service
parent dc40bbd1f5
commit 4ad1dc4b84
1 changed files with 6 additions and 2 deletions
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doc/XMLreference.rst
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@@ -671,14 +671,18 @@ is effectively a miscellaneous subsection.
:at:`azimuth`: :at-val:`real, "90"`
This attribute specifies the initial azimuth of the free camera around the vertical z-axis, in degrees. A value of 0
corresponds to looking in the positive x direction, while the default value of 90 corresponds to looking in the
positive y direction.
positive y direction. The look-at point itself is specified by the :ref:`statistic/center<statistic-center>`
attribute, while the distance from the look-at point is controlled by the :ref:`statistic/extent<statistic-extent>`
attribute.
.. _visual-global-elevation:
:at:`elevation`: :at-val:`real, "-45"`
This attribute specifies the initial elevation of the free camera with respect to the lookat point. Note that since
this is a rotation around a vector parallel to the camera's X-axis (right in pixel space), *negative* numbers
correspond to moving the camera *up* from the horizontal plane, and vice-versa.
correspond to moving the camera *up* from the horizontal plane, and vice-versa. The look-at point itself is specified
by the :ref:`statistic/center<statistic-center>` attribute, while the distance from the look-at point is controlled
by the :ref:`statistic/extent<statistic-extent>` attribute.
.. _visual-global-linewidth: