amelioration courbe bleue prix

frontend/app/pages/commune/[slug]/index.vue

@@ -1295,14 +1295,16 @@ const gridPrices2 = computed(() => {
   return arr
 })
 
-function toPolyline(vols: number[] | undefined, vals: number[] | undefined, cyFn: (v: number) => number): string {
+function toPolyline(vols: number[] | undefined, vals: number[] | undefined, cyFn: (v: number) => number, minVol = 15): string {
   if (!vols?.length || !vals?.length) return ''
   const pts: string[] = []
   for (let i = 0; i < vols.length; i += 4) {
-    pts.push(`${cx2(vols[i]!)},${cyFn(vals[i]!)}`)
+    const v = vols[i]!
+    if (v < minVol) continue
+    pts.push(`${cx2(v)},${cyFn(vals[i]!)}`)
   }
   const last = vols.length - 1
-  if (last % 4 !== 0) pts.push(`${cx2(vols[last]!)},${cyFn(vals[last]!)}`)
+  if (last % 4 !== 0 && vols[last]! >= minVol) pts.push(`${cx2(vols[last]!)},${cyFn(vals[last]!)}`)
   return pts.join(' ')
 }
 
@@ -1391,7 +1393,7 @@ const margPriceLine = computed(() => {
   const pts: string[] = []
   for (let i = 0; i < vols.length; i += 3) {
     const v = vols[i]!
-    if (v > margVolMax.value) break
+    if (v < 15 || v > margVolMax.value) continue  // ← changer break par continue, et ajouter v < 15
     pts.push(`${margCx(v)},${margCyPrice(prices[i]!)}`)
   }
   return pts.join(' ')
@@ -1406,7 +1408,7 @@ const margAvgPriceWithAboLine = computed(() => {
   const pts: string[] = []
   for (let i = 0; i < vols.length; i += 3) {
     const v = vols[i]!
-    if (v < 1 || v > margVolMax.value) continue
+    if (v < 15 || v > margVolMax.value) continue
     const avgP = citizenAbo.value / v + p0lin
     if (avgP <= margPriceMax.value * 1.5) {
       pts.push(`${margCx(v)},${margCyPrice(avgP)}`)