Update app.py

app.py

@@ -29,9 +29,10 @@ gridcell = solara.reactive('')
 timestamp = solara.reactive('')
 zoom= solara.reactive(4)
 source = solara.reactive('Sentinel-2 L2A')
+search_prompt = solara.reactive("")
 
 @solara.component
-def Page():
+def Page(style='background-image: linear-gradient(to right, #2f3192, #0171bd, #3ab64b, #f25a24);'):
     with solara.Column():
 
         with solara.Card(margin=10):
@@ -59,6 +60,16 @@ def Page():
                 center.value = (20,0)
                 zoom.value = 4
 
+        def update_image_with_text():
+            ret = text_to_image(search_prompt.value, return_centre=True, return_gridcell=True, return_timestamp=True, source=source.value)
+            if ret is not None:
+                image_data.value, center.value, gridcell.value, timestamp.value = ret
+                zoom.value=12
+            else:
+                image_data.value = Image.new('RGB',(1068,1068))
+                center.value = (20,0)
+                zoom.value = 4
+
         def update_source(val):
             source.value = val
             update_image()
@@ -72,6 +83,7 @@ def Page():
                         layout=ipywidgets.Layout(max_width='60vw', max_height='80vh'),
                         zoom=zoom.value,
                         center=center.value,
+                        on_center=center.set,
                         draw_control=False,
                         measure_control=False,
                         fullscreen_control=False,
@@ -79,7 +91,12 @@ def Page():
                         attribution_control=True,
                     )
                     display(m)
-                    button = solara.Button("Find Sample", on_click=update_image, height='80px')                    
+                    button = solara.Button("Find Sample at Map Center", on_click=update_image, height='80px')                    
+
+                    with solara.Row():
+                        solara.InputText("(Optional) Text Prompt:", value=search_prompt)
+                        text_button = solara.Button("Search with Text", on_click=update_image_with_text, height='50px') 
+                    
                     solara.Select(label="Data Source", value=source, values=['Sentinel-2 L2A','Sentinel-2 L1C', 'Sentinel-1 RTC', 'COP-DEM'], on_value=update_source)
                 with solara.Column(align='center'):
                     output = solara.Image(image_data.value)
@@ -88,5 +105,4 @@ def Page():
                     |--------------------:|:----:|
                     | Latitude, Longitude | {:.3f}, {:.3f} |
                     |       MajorTOM Grid | {} |
-                    | Timestamp| {} |
-                    '''.format(center.value[0], center.value[1], gridcell.value, timestamp.value))
+                    '''.format(center.value[0], center.value[1], gridcell.value))