added upload and better gradient view

isotables/isotopapp/admin.py

@@ -1,3 +1,5 @@
 from django.contrib import admin
+from isotopapp import models
 
 # Register your models here.
+admin.site.register(models.FieldProfile)

isotables/isotopapp/models.py

@@ -11,3 +11,7 @@ class Isotope(models.Model):
     gamma = models.FloatField(help_text="Gyromagnetic ratio in MHz/T") # MHz/T
     natural_abundance = models.FloatField(help_text="Natural abundance")
     quadrupole_moment = models.FloatField(null=True, help_text="Quadrupole moment")
+
+class FieldProfile(models.Model):
+    field_profile = models.FileField(upload_to='field_profile')
+

isotables/isotopapp/templates/home.html

@@ -2,6 +2,23 @@
     <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css" rel="stylesheet"
           integrity="sha384-QWTKZyjpPEjISv5WaRU9OFeRpok6YctnYmDr5pNlyT2bRjXh0JMhjY6hW+ALEwIH" crossorigin="anonymous">
 </head>
+<nav class="navbar navbar-expand-lg navbar-light bg-light">
+  <div class="collapse navbar-collapse" id="navbarSupportedContent">
+    <ul class="navbar-nav mr-auto">
+      <li class="nav-item">
+	<a class="nav-link" href="{% url 'home' %}">Isotopes</a>
+      </li>
+      <li class="nav-item">
+	<a class="nav-link" href="{% url 'sfg' %}">Position</a>
+      </li>
+
+      <li class="nav-item">
+	{% load admin_urls %}
+	<a class="nav-link" href="{% url 'admin:index' %}">Admin</a>
+      </li>
+    </ul>
+  </div>
+</nav>
 <style>
     .center {
         margin: auto;
@@ -66,4 +83,3 @@
 <div>
     {{ ans }}
 </div>
-

isotables/isotopapp/views.py

@@ -164,8 +164,9 @@ def position(request):
     ]
     plot = figure(outer_width=500, outer_height=500, match_aspect=False, tooltips=TOOLTIPS)
     frame_left = Node(target="frame", symbol="left", offset=5)
-    frame_bottom = Node(target="frame", symbol="bottom", offset=0)
+    frame_bottom = Node(target="frame", symbol="bottom", offset=5)
-    frame_top = Node(target="frame", symbol="top", offset=0)
+    frame_top = Node(target="frame", symbol="top", offset=5)
+    frame_right = Node(target="frame", symbol="right", offset=5)
     #plot.ellipse(x=[0], y=[0], width=5, height=5, color="#D5D9FF", alpha=0.8, line_width=1, line_color="black")
     #plot.ellipse(x=[0], y= [2.5], width=5, height=5, color="#D5D9FF", alpha=0.4, line_width=1, line_color="black")
     #plot.ellipse(x=[0], y=[-2.5], width=5, height=5, color="#D5D9FF", alpha=0.4, line_width=1, line_color="black")
@@ -189,16 +190,22 @@ def position(request):
 
 
     for p in indices:
-        vline = Span(location=_z_coords[p]*1e3, dimension='height', line_color='gray', line_width=1)
+        #vline = Span(location=_z_coords[p]*1e3, dimension='height', line_color='gray', line_width=1)
-        plot.renderers.extend([vline])
+        #plot.renderers.extend([vline])
-        label = Label(x=_z_coords[p]*1e3, y=_fields[p]+1, text=f"{_z_coords[p]*1e3:.2f},{_gradients[p]:.1f}T/m", text_baseline="middle",
+        label = Label(x=_z_coords[p]*1e3+25,
-                text_align="center", text_font_size="11pt")
+                      y=-(np.sign(_z_coords[p]) *10) +(_gradients[p]), text=f"{_z_coords[p]*1e3:.2f},{_gradients[p]:.1f}T/m", text_baseline="middle",
+                text_align="center", text_font_size="11pt",
+        border_line_color="#D5D9FF", background_fill_color="white",
+                y_range_name="gradient")
         plot.add_layout(label)
-    plot.circle(x=_z_coords[indices]*1e3, y=_fields[indices], radius=2, color="gray")
+    #plot.circle(x=_z_coords[indices]*1e3, y=_fields[indices], radius=2, color="gray")
     plot.circle(x=_z_coords[indices]*1e3, y=_gradients[indices], radius=2, color="gray",y_range_name="gradient" )
-    hline1 = Span(location=field_T, dimension='width', line_color='gray', line_width=1)
+    # plot the B0 field hlines
-    hline2 = Span(location=-field_T, dimension='width', line_color='gray', line_width=1)
+    hline1 = Span(location=field_T, dimension='width', line_color='gray', line_width=2)
-    plot.renderers.extend([hline1, hline2])
+    label1 = Label(x=frame_right, y=field_T, text=f"{field_T:.1f}T/m",
+                   text_baseline="middle")
+    hline2 = Span(location=-field_T, dimension='width', line_color='gray', line_width=2)
+    plot.renderers.extend([hline1, hline2, label1])
 
     close_isotopes = []
     for isotope in Isotope.objects.all():