diff --git a/GWYDDION_FEATURE_GAP.md b/GWYDDION_FEATURE_GAP.md
index dcc1974..5e7f29f 100644
--- a/GWYDDION_FEATURE_GAP.md
+++ b/GWYDDION_FEATURE_GAP.md
@@ -21,7 +21,7 @@ Reference for future implementation. Grouped by value to typical SPM workflows.
 | 11 | Grain Distance Transform | mask_edt.c | Euclidean distance from grain boundaries. Useful for spatial distribution analysis. |
 | 12 | Watershed Segmentation | grain_wshed.c | Automatic grain detection without manual threshold. More robust than simple thresholding. |
 | 13 | Rotate / Flip | rotate.c, basicops.c | Basic geometric transforms (90°, arbitrary angle, mirror). |
-| 14 | Crop | crop.c | Extract sub-region of a field. |
+| ~~14~~ | ~~Crop~~ | ~~crop.c~~ | ~~Extract sub-region of a field.~~ **DONE** |
 
 ## Medium Value
 
diff --git a/frontend/src/LinePlotOverlay.jsx b/frontend/src/LinePlotOverlay.jsx
index 421d509..bf0f791 100644
--- a/frontend/src/LinePlotOverlay.jsx
+++ b/frontend/src/LinePlotOverlay.jsx
@@ -164,8 +164,10 @@ export default function LinePlotOverlay({
   const cursorB = pickCursorPoint(x2 ?? overlay?.x2 ?? 0.75);
 
   const path = yValues.map((y, i) => `${i === 0 ? 'M' : 'L'} ${scaleX(xValues[i])} ${scaleY(y)}`).join(' ');
-  const xTicks = makeTicks(xMin, xMax);
-  const yTicks = makeTicks(yMin, yMax);
+  const xTickCount = Math.max(2, Math.min(5, Math.floor(plotWidth / 70)));
+  const yTickCount = Math.max(2, Math.min(5, Math.floor(plotHeight / 40)));
+  const xTicks = makeTicks(xMin, xMax, xTickCount);
+  const yTicks = makeTicks(yMin, yMax, yTickCount);
   const plotStroke = clamp(plotWidth / 240, 1.4, 2.6);
   const gridStroke = clamp(plotWidth / 900, 0.6, 1.1);
   const cursorStroke = clamp(plotWidth / 220, 1.4, 2.2);