Update app.py

app.py

@@ -26,13 +26,13 @@ MODEL_FALLBACKS = [MODELS_DIR / "model.joblib", MODELS_DIR / "model.pkl"]
 COLORS = {"pred": "#1f77b4", "actual": "#f2b702", "ref": "#5a5a5a"}
 
 # ---- Plot sizing controls ----
-CROSS_W = 300          # Matplotlib cross-plot width (in px) — None -> fallback used in fn
-CROSS_H = 300
-TRACK_W = 380           # Plotly track width in px (kept modest to avoid overlap)
-TRACK_H = 820
-FONT_SZ  = 15
-PLOT_COLS = [1.5, 0.1, 1] # left • spacer • right
-CROSS_NUDGE = 0.0       # set >0 to shove cross-plot inward with a small left pad column
+CROSS_W = 420      # px   (explicit, not None)
+CROSS_H = 420      # px
+TRACK_W = 320      # px   (slightly narrower to avoid crowding)
+TRACK_H = 740      # px
+FONT_SZ  = 13
+PLOT_COLS = [36, 6, 28]   # wider spacer so plots never bump into each other
+CROSS_NUDGE = 0.0         # keep 0 unless you really want an inner pad
 
 # =========================
 # Page / CSS
@@ -172,14 +172,16 @@ def cross_plot_static(actual, pred):
     fixed_min, fixed_max = 6000, 10000
     ticks = np.arange(fixed_min, fixed_max + 1, 1000)
 
+    # fixed px size = (figsize * dpi)
+    dpi = 110
     fig, ax = plt.subplots(
-        figsize=((CROSS_W or 500)/100, (CROSS_H or 420)/100),
-        dpi=100,
+        figsize=(CROSS_W / dpi, CROSS_H / dpi),
+        dpi=dpi,
         constrained_layout=False
     )
 
     # points
-    ax.scatter(a, p, s=18, c=COLORS["pred"], alpha=0.9, linewidths=0)
+    ax.scatter(a, p, s=16, c=COLORS["pred"], alpha=0.9, linewidths=0)
 
     # 1:1 diagonal
     ax.plot([fixed_min, fixed_max], [fixed_min, fixed_max],
@@ -191,7 +193,7 @@ def cross_plot_static(actual, pred):
     ax.set_xticks(ticks)
     ax.set_yticks(ticks)
 
-    # equal aspect → true 45° reference
+    # equal aspect → true 45°
     ax.set_aspect("equal", adjustable="box")
 
     # thousands formatting
@@ -199,20 +201,22 @@ def cross_plot_static(actual, pred):
     ax.xaxis.set_major_formatter(fmt)
     ax.yaxis.set_major_formatter(fmt)
 
-    # labels (bold, larger)
-    ax.set_xlabel("Actual UCS (psi)", fontweight="bold", fontsize=16)
-    ax.set_ylabel("Predicted UCS (psi)", fontweight="bold", fontsize=16)
+    # labels + ticks (smaller so they don't dominate)
+    ax.set_xlabel("Actual UCS (psi)", fontweight="bold", fontsize=12)
+    ax.set_ylabel("Predicted UCS (psi)", fontweight="bold", fontsize=12)
+    ax.tick_params(labelsize=10)
 
     # grid & frame
-    ax.grid(True, linestyle=":", alpha=0.35)
+    ax.grid(True, linestyle=":", alpha=0.3)
     for spine in ax.spines.values():
-        spine.set_linewidth(1.2)
+        spine.set_linewidth(1.1)
         spine.set_color("#444")
 
-    # extra room for the large labels
-    fig.subplots_adjust(left=0.23, bottom=0.20, right=0.98, top=0.98)
+    # moderate margins; keeps labels readable but not huge
+    fig.subplots_adjust(left=0.16, bottom=0.16, right=0.98, top=0.98)
     return fig
 
+
 # =========================
 # Track plot (Plotly)
 # =========================