Add network/graph category to scientific domains tab

layouts/partials/scientific-domains.html

@@ -15,16 +15,16 @@
             <td class="bold-text">Statistical Computing </td>
             <td class="bold-text">Signal Processing </td>
             <td class="bold-text">Image Processing </td>
-            <td class="bold-text">Symbolic Computing </td>
+            <td class="bold-text">Graphs and Networks </td>
             <td class="bold-text">Astronomy Processes </td>
             <td class="bold-text">Cognitive Psychology </td>
         </tr>
         <tr>
             <td><img class="cell-layout" src="images/content_images/sc_dom_img/sd1.png" alt="A computer chip with an atomic symbol."></td>
             <td><img class="cell-layout" src="images/content_images/sc_dom_img/sd2.png" alt="A line graph with the line moving up."></td>
-            <td><img class="cell-layout" src="images/content_images/sc_dom_img/sd3.png" alt="A bar chart wiht positive and negative values."></td>
+            <td><img class="cell-layout" src="images/content_images/sc_dom_img/sd3.png" alt="A bar chart with positive and negative values."></td>
             <td><img class="cell-layout" src="images/content_images/sc_dom_img/sd4.png" alt="An photograph of the sun and mountains."></td>
-            <td><img class="cell-layout" src="images/content_images/sc_dom_img/sd6.png" alt="Multiple mathematical symbols on graph paper."></td>
+            <td><img class="cell-layout" src="images/content_images/sc_dom_img/sd6.svg" alt="A simple graph."></td>
             <td><img class="cell-layout" src="images/content_images/sc_dom_img/sd7.png" alt="A telescope and multiple planets."></td>
             <td><img class="cell-layout" src="images/content_images/sc_dom_img/sd8.png" alt="A human head with gears."></td>
         </tr>
@@ -33,7 +33,7 @@
             <td class="center-text"><a href="https://pandas.pydata.org">Pandas</a></td>
             <td class="center-text"><a href="https://www.scipy.org">SciPy</a></td>
             <td class="center-text"><a href="https://scikit-image.org">Scikit-image</a></td>
-            <td class="center-text"><a href="https://www.sympy.org">SymPy</a></td>
+            <td class="center-text"><a href="https://networkx.org">NetworkX</a></td>
             <td class="center-text"><a href="https://www.astropy.org">AstroPy</a></td>
             <td class="center-text"><a href="https://www.psychopy.org">PsychoPy</a></td>
         </tr>
@@ -42,7 +42,7 @@
             <td class="center-text"><a href="https://github.com/statsmodels/statsmodels"> statsmodels</a></td>
             <td class="center-text"><a href="https://pywavelets.readthedocs.io">PyWavelets</a></td>
             <td class="center-text"><a href="https://opencv.org">OpenCV</a></td>
-            <td class="center-text"></td>
+            <td class="center-text"><a href="https://graph-tool.skewed.de/">graph-tool</a></td>
             <td class="center-text"><a href="https://github.com/sunpy/sunpy">SunPy</a></td>
             <td class="center-text"></td>
         </tr>
@@ -51,10 +51,19 @@
             <td class="center-text"><a href="https://github.com/mwaskom/seaborn">Seaborn</a></td>
             <td class="center-text"></td>
             <td class="center-text"></td>
-            <td class="center-text"></td>
+            <td class="center-text"><a href="https://igraph.org/python/">igraph</a></td>
             <td class="center-text"><a href="https://github.com/spacepy/spacepy">SpacePy</a></td>
             <td class="center-text"></td>
         </tr>
+        <tr>
+            <td class="lastrow-center-text"></td>
+            <td class="lastrow-center-text"></td>
+            <td class="lastrow-center-text"></td>
+            <td class="lastrow-center-text"></td>
+            <td class="center-text"><a href="https://pygsp.rtfd.io">PyGSP</a></td>
+            <td class="lastrow-center-text"></td>
+            <td class="lastrow-center-text"></td>
+        </tr>
     <!-- Second Row -->
         <tr class="highlight-th">
             <td class="bold-text">Bioinformatics</td>
@@ -71,7 +80,7 @@
             <td><img class="cell-layout" src="images/content_images/sc_dom_img/sd11.png" alt="Four mathematical symbols."></td>
             <td><img class="cell-layout" src="images/content_images/sc_dom_img/sd12.png" alt="A three-dimensional graph with a box."></td>
             <td><img class="cell-layout" src="images/content_images/sc_dom_img/sd13.png" alt="A conical flask and test tube."></td>
-            <td><img class="cell-layout" src="images/content_images/sc_dom_img/sd14.png" alt="The Earth surronded by four circling arrows."></td>
+            <td><img class="cell-layout" src="images/content_images/sc_dom_img/sd14.png" alt="The Earth surrounded by four circling arrows."></td>
             <td><img class="cell-layout" src="images/content_images/sc_dom_img/sd15.png" alt="A human hand tapping a browser window."></td>
         </tr>
         <tr>

static/images/content_images/sc_dom_img/graph.py

@@ -0,0 +1,42 @@
+import networkx as nx
+import matplotlib as mpl
+import matplotlib.pyplot as plt
+import matplotlib.patches as patches
+import matplotlib.lines as lines
+
+mpl.rcParams['patch.antialiased'] = True
+mpl.rcParams['lines.antialiased'] = True
+
+# create graph
+G = nx.Graph()
+G.add_edge(1, 2)
+G.add_edge(1, 3)
+G.add_edge(1, 5)
+G.add_edge(2, 3)
+G.add_edge(3, 4)
+G.add_edge(4, 5)
+
+# set node positions and drawing options
+pos = {1: (0, 0), 2: (-1, 0.3), 3: (2, 0.17), 4: (4, 0.255), 5: (5, 0.03)}
+options = {
+    "node_size": 4000,
+    "node_color": "white",
+    "edge_color": "black",
+    "edgecolors": "black",
+    "linewidths": 20,
+    "width": 20,
+}
+
+# draw graph
+nx.draw(G, pos, **options)
+ax = plt.gca()
+ax.margins(0.10)
+plt.axis("off")
+plt.savefig("sd6-large.svg")
+
+# set the width to 130 pixels with the following command:
+# $ rsvg-convert -a -w 160 -f svg sd6-large.svg -o sd6.svg
+
+# if you want to blur the lines
+# $ convert sd6-large.svg -blur 0x8 sd6-blur.svg
+# $ rsvg-convert -a -w 160 -f svg sd6-blur.svg -o sd6.svg