adding in rotation setting/getting to examples

Author: cpparts

examples/02_Base_Commands.ipynb

@@ -88,6 +88,29 @@
     "aladin.fov"
    ]
   },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "The orientation of the view (view center to north pole angle in degrees) can be set"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "aladin.rotation = 180"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "aladin.rotation"
+   ]
+  },
   {
    "cell_type": "markdown",
    "metadata": {},
@@ -134,7 +157,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "The target and field of view can be set with astropy objects"
+    "The target, rotation, and field of view can be set with astropy objects"
    ]
   },
   {
@@ -146,6 +169,15 @@
     "aladin.target = SkyCoord(\"12h00m00s\", \"-30d00m00s\", frame=\"icrs\")"
    ]
   },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "aladin.rotation = Angle(0, \"deg\")"
+   ]
+  },
   {
    "cell_type": "code",
    "execution_count": null,

examples/11_Extracting_information_from_the_view.ipynb

@@ -81,7 +81,8 @@
     "aladin.survey = \"CDS/P/PLANCK/R2/HFI/color\"\n",
     "aladin.target = \"LMC\"\n",
     "aladin.frame = \"Galactic\"\n",
-    "aladin.fov = 50"
+    "aladin.fov = 50\n",
+    "aladin.rotation = 90"
    ]
   },
   {
@@ -124,6 +125,26 @@
     "aladin.fov_xy  # Recover the current field of view for the x and y axis"
    ]
   },
+  {
+   "cell_type": "markdown",
+   "id": "fcd830c2",
+   "metadata": {},
+   "source": [
+    "## Getting the rotation\n",
+    "\n",
+    "The rotation of the view (view center to north pole angle in degrees) can be found with:"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "8c20e7c1",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "aladin.rotation  # Recover the current rotation of the view"
+   ]
+  },
   {
    "cell_type": "markdown",
    "id": "5ef087ca59d890ce",