docs: point graphics-block docstrings at |GraphicsBlockOptions|

docs/source/conf.py

@@ -197,6 +197,7 @@
 .. role:: raw-html(raw)
    :format: html
 .. |BlockOptions| replace:: :raw-html:`<a href="https://petercorke.github.io/bdsim/internals.html?highlight=block%20__init__#bdsim.Block.__init__">common Block options</a>`
+.. |GraphicsBlockOptions| replace:: :raw-html:`<a href="https://petercorke.github.io/bdsim/internals.html?highlight=graphicsblock%20__init__#bdsim.GraphicsBlock.__init__">common GraphicsBlock options</a>`
 """
 
 # -------- Suppress common noisy warnings ----------------------------------------#

src/roboticstoolbox/blocks/arm.py

@@ -385,7 +385,7 @@ def __init__(self, robot=None, q0=None, backend=None, **blockargs):
         :type q0: ndarray(N)
         :param backend: RTB backend name, defaults to 'pyplot'
         :type backend: str, optional
-        :param blockargs: |BlockOptions|
+        :param blockargs: |GraphicsBlockOptions|
         :type blockargs: dict
         """
         if robot is None:

src/roboticstoolbox/blocks/mobile.py

@@ -421,7 +421,7 @@ def __init__(
         :type size: float or array_like, optional
         :param polyargs: arguments passed to :meth:`Animation.Polygon`
         :type polyargs: dict
-        :param blockargs: |BlockOptions|
+        :param blockargs: |GraphicsBlockOptions|
         :type blockargs: dict
 
         .. note::

src/roboticstoolbox/blocks/uav.py

@@ -676,7 +676,7 @@ def __init__(
         :type flapscale: float
         :param projection: 3D projection, one of: 'ortho' [default], 'perspective'
         :type projection: str
-        :param blockargs: |BlockOptions|
+        :param blockargs: |GraphicsBlockOptions|
         :type blockargs: dict
         """
         if model is None: