updating nb 9

Author: christinawilliams

DP1/100_How_to_Use_RSP_Tools/103_Image_access_and_display/103_9_Image_stamps.ipynb

@@ -83,7 +83,8 @@
     "From the `lsst` package, import modules for accessing the Table Access Protocol (TAP) service, image display functions, and the Simple Image Access (SIA) service from the LSST Science Pipelines (<a href=\"https://pipelines.lsst.io/\">pipelines.lsst.io</a>).\n",
     "\n",
     "Functions from `pyvo` are imported to perform and parse results from Datalink and SODA queries. This is used to obtain image products cutouts from the SIA service.\n",
-    "\n"
+    "\n",
+    "The `reproject` package is an `astropy`-adjacent package that provides access to coordinate transformations between images with world coordinate systems (WCS), and will be used to align visit images with different WCS. "
    ]
   },
   {
@@ -193,7 +194,7 @@
    "id": "f8f5a54d-96ce-4323-8d20-98ad6b57ddee",
    "metadata": {},
    "source": [
-    "#### 1.2.2 Set up the temporary directory\n",
+    "#### 1.2.2 Set up a temporary directory\n",
     "\n",
     "The Rubin cutout service allows the user to save cutouts as fits files locally on the Rubin Science Platform (RSP).\n",
     "\n",
@@ -267,7 +268,9 @@
    "id": "f52f721d-1983-4605-8161-8f29187b5757",
    "metadata": {},
    "source": [
-    "#### 1.2.3 make function to generate a gif from png files"
+    "#### 1.2.3 Generate a gif from pngs\n",
+    "\n",
+    "The function below will generate a gif to visualize all of the png cutout files produced in the notebook."
    ]
   },
   {
@@ -300,7 +303,7 @@
    "id": "82f46573-f165-479a-b94e-1c025fd8bcca",
    "metadata": {},
    "source": [
-    "#### 1.2.4. cutouts\n",
+    "#### 1.2.4. Generate cutouts\n",
     "Define a function to get an image cutout from the cutout service."
    ]
   },
@@ -331,7 +334,7 @@
    "id": "3d998864-d33a-449d-a28a-42e94607f901",
    "metadata": {},
    "source": [
-    "#### 1.2.4. subplots\n",
+    "#### 1.2.4. Set up subplots\n",
     "Define a function to organize the display with matplotlib of many cutouts."
    ]
   },
@@ -432,7 +435,7 @@
    "id": "e303cf67-36d1-4d4c-8527-76561dd528b3",
    "metadata": {},
    "source": [
-    "### 2.1.1 Query the SIA service for images\n"
+    "#### 2.1.1 Query the SIA service for images\n"
    ]
   },
   {
@@ -853,6 +856,16 @@
     "> **Figure 3**: Many cutouts of the science visit images of the DIA object, in chronological order, after being reprojected onto the same WCS as the template image cutout (right). "
    ]
   },
+  {
+   "cell_type": "markdown",
+   "id": "4340da3a-3f25-4007-8615-c204d3ef3e23",
+   "metadata": {},
+   "source": [
+    "## 4. Visualize cutouts with gif\n",
+    "\n",
+    "Below, the cell will use the `make_gif` function defined in Section 1.2.3 to make a single gif movie out of all the pngs in the folder from the visit images in chronological order."
+   ]
+  },
   {
    "cell_type": "code",
    "execution_count": null,