utilAPI/point-valeur.html at main · fgosdrauka/utilAPI · GitHub

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<!DOCTYPE html>
<html lang="fr">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Convertisseur Point-Valeur</title>
  <style>
    body {
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      background-color: #f5f5f5;
      margin: 0;
      padding: 20px;
      display: flex;
      justify-content: center;
      align-items: flex-start;
      min-height: 100vh;
    }

    .container {
      width: 100%;
      max-width: 500px;
      background-color: #fff;
      padding: 20px;
      border-radius: 12px;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    }

    h2 {
      text-align: center;
      color: #4287f5;
      margin-bottom: 20px;
    }

    label {
      display: block;
      font-size: 15px;
      margin: 12px 0 5px;
      color: #555;
    }

    input {
      width: 100%;
      padding: 12px;
      border: 1px solid #ccc;
      border-radius: 8px;
      font-size: 16px;
      box-sizing: border-box;
    }

    .btn {
  display: block;
  box-sizing: border-box;
      width: 100%;
      padding: 12px;
      margin-top: 15px;
      font-size: 16px;
      border: none;
      border-radius: 8px;
      color: white;
      background-color: #4287f5;
      cursor: pointer;
      text-align: center;
      text-decoration: none;
      display: inline-block;
      transition: background-color 0.2s ease;
    }

    .btn:hover {
      background-color: #2d5cc7;
    }

    .result, .formula {
      margin-top: 15px;
      font-size: 16px;
      text-align: center;
      color: #444;
    }
</style>
</head>
<body>
  <div class="container">
    <h2>Convertisseur Point-Valeur</h2>
    <div class="row">
      <div>
        <label for="lower_bound">Borne inférieure du signal:</label>
        <input type="number" id="lower_bound" value="6400" oninput="convertPointToValue()">

        <label for="upper_bound">Borne supérieure du signal:</label>
        <input type="number" id="upper_bound" value="32000" oninput="convertPointToValue()">
      </div>

      <div>
        <label for="scale_min">Échelle (Min):</label>
        <input type="number" id="scale_min" value="0" oninput="convertPointToValue()">

        <label for="scale_max">Échelle (Max):</label>
        <input type="number" id="scale_max" value="100" oninput="convertPointToValue()">
      </div>
    </div>

    <label for="point">Point :</label>
    <input type="number" id="point" oninput="convertPointToValue()">

    <div class="result" id="result"></div>
    <div class="formula" id="formula"></div>

    <label for="value">Valeur :</label>
    <input type="number" id="value" oninput="convertValueToPoint()">

    <button class="btn" onclick="resetAll()">Réinitialiser</button>

<a href="index.html" class="btn">⬅️ Retour à l’accueil</a>

  </div>

  <script>
    function convertPointToValue() {
      const point = parseFloat(document.getElementById("point").value);
      const lowerBound = parseFloat(document.getElementById("lower_bound").value);
      const upperBound = parseFloat(document.getElementById("upper_bound").value);
      const scaleMin = parseFloat(document.getElementById("scale_min").value);
      const scaleMax = parseFloat(document.getElementById("scale_max").value);

      if (lowerBound >= upperBound || scaleMin >= scaleMax) {
        document.getElementById("result").innerText = "Erreur : bornes incorrectes.";
        return;
      }

      const value = scaleMin + (point - lowerBound) * (scaleMax - scaleMin) / (upperBound - lowerBound);
      document.getElementById("value").value = value.toFixed(2);
      document.getElementById("result").innerText = "";
      updateFormula();
    }

    function convertValueToPoint() {
      const value = parseFloat(document.getElementById("value").value);
      const lowerBound = parseFloat(document.getElementById("lower_bound").value);
      const upperBound = parseFloat(document.getElementById("upper_bound").value);
      const scaleMin = parseFloat(document.getElementById("scale_min").value);
      const scaleMax = parseFloat(document.getElementById("scale_max").value);

      if (lowerBound >= upperBound || scaleMin >= scaleMax) {
        document.getElementById("result").innerText = "Erreur : bornes incorrectes.";
        return;
      }

      const point = lowerBound + (value - scaleMin) * (upperBound - lowerBound) / (scaleMax - scaleMin);
      document.getElementById("point").value = point.toFixed(2);
      document.getElementById("result").innerText = "";
      updateFormula();
    }

    function updateFormula() {
      const lowerBound = parseFloat(document.getElementById("lower_bound").value);
      const upperBound = parseFloat(document.getElementById("upper_bound").value);
      const scaleMin = parseFloat(document.getElementById("scale_min").value);
      const scaleMax = parseFloat(document.getElementById("scale_max").value);

      if (lowerBound >= upperBound || scaleMin >= scaleMax) {
        document.getElementById("formula").innerText = "";
        return;
      }

      const formulaText = `Valeur = ${scaleMin} + (signal - ${lowerBound}) × (${scaleMax} - ${scaleMin}) / (${upperBound} - ${lowerBound})`;
      document.getElementById("formula").innerText = formulaText;
    }

    function resetAll() {
      document.getElementById("lower_bound").value = 6400;
      document.getElementById("upper_bound").value = 32000;
      document.getElementById("scale_min").value = 0;
      document.getElementById("scale_max").value = 100;
      document.getElementById("point").value = "";
      document.getElementById("value").value = "";
      document.getElementById("result").innerText = "";
      document.getElementById("formula").innerText = "";
    }
  </script>
</body>
</html>