Update to w_40

Author: Leanne Guy

08a_Interactive_Image_Visualization.ipynb

@@ -112,7 +112,8 @@
    "source": [
     "# Ignore warnings\n",
     "import warnings\n",
-    "warnings.simplefilter(\"ignore\", category='UnitsWarning')"
+    "warnings.simplefilter(\"ignore\", category='UnitsWarning')\n",
+    "warnings.simplefilter(\"ignore\", category=UserWarning)"
    ]
   },
   {
@@ -163,9 +164,8 @@
    "source": [
     "# Define a calibrated exposure and retrieve it via the Butler\n",
     "calexpId = {'visit': 192350, 'detector': 175, 'band': 'i'}\n",
-    "calexp = butler.get('calexp', **calexpId)\n",
+    "calexp = butler.get('calexp', calexpId)\n",
     "assert calexp is not None\n",
-    "# 'physical_filter': 'HSC-R'\n",
     "f\"Visit: {calexp.visitInfo.getExposureId()}, Band:{calexp.getFilterLabel().bandLabel}, Detector: {calexp.detector.getId()}\""
    ]
   },
@@ -187,10 +187,30 @@
    "source": [
     "# Define a deep coadded image and retrieve it via the Butler\n",
     "coaddId = {'tract': 4226, 'patch': 17, 'band': 'r'}\n",
-    "coadd = butler.get('deepCoadd', **coaddId)\n",
+    "coadd = butler.get('deepCoadd', coaddId)\n",
     "assert coadd is not None"
    ]
   },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "Let's get some infomation about the coadd, such as which visits went into constructing it. As an exercise, explore the information in the coaddInfo object. "
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "coaddInfo = coadd.getInfo()\n",
+    "\n",
+    "# Which visits went into constructin this coadd?\n",
+    "coaddVisits = coaddInfo.getCoaddInputs().visits\n",
+    "coaddVisits.asAstropy()"
+   ]
+  },
   {
    "cell_type": "code",
    "execution_count": null,
@@ -377,7 +397,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "# Reset the tools on the image and add a hover on the detections. \n",
+    "# Reset the tools on the image and add a hover on the detections.\n",
     "rasterize(img.opts(tools=[])) * detections.opts(tools=[detHoverTool])"
    ]
   },