MVB.js/test_shapes.html at master · OpenMagnetics/MVB.js · GitHub

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<!DOCTYPE html>
<html>
<head>
  <title>Core Shapes Test</title>
  <style>
    body { font-family: monospace; padding: 20px; background: #1e1e1e; color: #d4d4d4; }
    #log { white-space: pre-wrap; line-height: 1.5; }
    .pass { color: #4ec9b0; }
    .fail { color: #f14c4c; }
    .info { color: #569cd6; }
    a { color: #569cd6; display: block; margin: 5px 0; }
  </style>
</head>
<body>
  <h1>Core Shapes Test</h1>
  <div id="log"></div>
  <div id="downloads"></div>

<script type="module">
import opencascade from 'replicad-opencascadejs/src/replicad_single.js';
import opencascadeWasm from 'replicad-opencascadejs/src/replicad_single.wasm?url';
import { setOC } from 'replicad';
import * as replicadModule from 'replicad';
import { ReplicadBuilder, exportToSTL, exportToMesh } from './src/replicadBuilder.js';
import { getShapeBuilder, getCore, getSupportedFamilies } from './src/coreShapes.js';
import { flattenDimensions } from './src/types.js';

// Scale factor for export (meters to mm)
const SCALE = 1000;

const logDiv = document.getElementById('log');
const downloadsDiv = document.getElementById('downloads');
window.stlFiles = [];

function log(msg, className = '') {
  const span = document.createElement('span');
  span.className = className;
  span.textContent = msg + '\n';
  logDiv.appendChild(span);
  console.log(msg);
}

function addDownload(filename, blob) {
  const url = URL.createObjectURL(blob);
  const a = document.createElement('a');
  a.href = url;
  a.download = filename;
  a.textContent = `Download ${filename}`;
  downloadsDiv.appendChild(a);
  window.stlFiles.push({ filename, blob });
}

// Test shape data for each family
const testShapes = {
  t: {
    name: "T 22/14/13",
    family: "t",
    familySubtype: "1",
    dimensions: { A: 0.0220, B: 0.0140, C: 0.0130 }
  },
  e: {
    name: "E 25/13/7",
    family: "e",
    familySubtype: "1",
    // Real E 25/13/7 dimensions from MAS data
    dimensions: { A: 0.0251, B: 0.0126, C: 0.0072, D: 0.00895, E: 0.0179, F: 0.00725 }
  },
  etd: {
    name: "ETD 29/16/10",
    family: "etd",
    familySubtype: "1",
    dimensions: { A: 0.0290, B: 0.0160, C: 0.0100, D: 0.0100, E: 0.0210, F: 0.0100 }
  },
  er: {
    name: "ER 28/14/11",
    family: "er",
    familySubtype: "1",
    dimensions: { A: 0.0280, B: 0.0140, C: 0.0110, D: 0.0090, E: 0.0220, F: 0.0100, G: 0.0150 }
  },
  pq: {
    name: "PQ 20/16",
    family: "pq",
    familySubtype: "1",
    dimensions: { A: 0.0200, B: 0.0160, C: 0.0100, D: 0.0120, E: 0.0140, F: 0.0080, G: 0.0110 }
  },
  rm: {
    name: "RM 10",
    family: "rm",
    familySubtype: "3",
    dimensions: { A: 0.0270, B: 0.0093, C: 0.0130, D: 0.0065, E: 0.0210, F: 0.0100, G: 0.0100, H: 0.0055, J: 0.0240 }
  },
  p: {
    name: "P 14/8",
    family: "p",
    familySubtype: "1",
    dimensions: { A: 0.0140, B: 0.0080, C: 0.0070, D: 0.0055, E: 0.0110, F: 0.0055, G: 0.0040, H: 0.0030 }
  },
  c: {
    name: "C Test",
    family: "c",
    familySubtype: "1",
    dimensions: { A: 0.0200, B: 0.0120, C: 0.0080, D: 0.0070, E: 0.0100 }
  },
  u: {
    name: "U Test",
    family: "u",
    familySubtype: "1",
    dimensions: { A: 0.0200, B: 0.0120, C: 0.0080, D: 0.0070, E: 0.0100 }
  },
  ep: {
    name: "EP 7",
    family: "ep",
    familySubtype: "1",
    dimensions: { A: 0.0075, B: 0.0046, C: 0.0052, D: 0.0030, E: 0.0057, F: 0.0035, G: 0.0040, K: 0.0010 }
  },
  efd: {
    name: "EFD 15/8/5",
    family: "efd",
    familySubtype: "1",
    dimensions: { A: 0.0150, B: 0.0050, C: 0.0080, D: 0.0035, E: 0.0100, F: 0.0055, F2: 0.0035, K: 0.0010, q: 0.0005 }
  },
  ec: {
    name: "EC 35",
    family: "ec",
    familySubtype: "1",
    dimensions: { A: 0.0350, B: 0.0150, C: 0.0170, D: 0.0095, E: 0.0230, F: 0.0110, T: 0.0080, s: 0.0050 }
  },
  eq: {
    name: "EQ 25",
    family: "eq",
    familySubtype: "1",
    dimensions: { A: 0.0250, B: 0.0070, C: 0.0080, D: 0.0050, E: 0.0180, F: 0.0085, G: 0.0100 }
  },
  lp: {
    name: "LP 22/13",
    family: "lp",
    familySubtype: "1",
    dimensions: { A: 0.0220, B: 0.0050, C: 0.0130, D: 0.0030, E: 0.0160, F: 0.0070, G: 0.0100 }
  },
  pm: {
    name: "PM 50/39",
    family: "pm",
    familySubtype: "1",
    dimensions: { A: 0.0500, B: 0.0100, C: 0.0200, D: 0.0060, E: 0.0350, F: 0.0200, G: 0.0080, H: 0.0050, b: 0.0040, t: 0.0050, alpha: 120 }
  }
};

// Test geometrical descriptions (simulating PyMKF output)
// MKF coordinates: {radial, height, depth}
// MKF uses:
//   - Top piece: rotation = [π, π, 0], coordinates = {0, height, depth}
//   - Bottom piece: rotation = [0, 0, 0], coordinates = {0, -height, depth}
// For a simple two-piece set with no spacer and single stack:
//   - height = 0 (no spacer)
//   - depth = 0 (first stack)
function createGeometricalDescription(shapeData) {
  const isToroidal = shapeData.family === 't';

  if (isToroidal) {
    return [{
      type: 'toroidal',
      shape: shapeData,
      coordinates: [0, 0, 0],
      rotation: [0, 0, 0],
      machining: null
    }];
  } else {
    // Two-piece set: top and bottom halves (matching MKF format)
    // MKF coordinates are [radial, height, depth]
    // For no-spacer case, both pieces are at height=0
    return [
      {
        type: 'half set',
        shape: shapeData,
        coordinates: [0, 0, 0],  // MKF format: [radial, height, depth]
        rotation: [Math.PI, Math.PI, 0],  // Top piece rotates 180° around X and Y
        machining: null
      },
      {
        type: 'half set',
        shape: shapeData,
        coordinates: [0, 0, 0],  // Same position, rotation differentiates them
        rotation: [0, 0, 0],
        machining: null
      }
    ];
  }
}

async function runTests() {
  log('Initializing OpenCASCADE.js...', 'info');
  log('Loading WASM (takes 10-20 seconds)...', 'info');

  const oc = await opencascade({
    locateFile: () => opencascadeWasm
  });
  setOC(oc);

  log('✓ OpenCASCADE.js loaded!', 'pass');

  // Get supported families
  const supportedFamilies = getSupportedFamilies();
  log(`Supported shape families: ${supportedFamilies.join(', ')}`, 'info');

  let passed = 0;
  let failed = 0;
  const results = [];

  log('\n========================================', 'info');
  log('Shape Piece Tests', 'info');
  log('========================================\n', 'info');

  // Test each shape piece
  for (const [family, shapeData] of Object.entries(testShapes)) {
    const testName = `test_shape_${family}`;
    log(`\n${testName}`);

    try {
      const builder = new ReplicadBuilder(replicadModule);
      // Pass the replicad module to the shape builder
      const shapeBuilder = getShapeBuilder(replicadModule, shapeData.family);

      // Flatten dimensions and prepare data (dimensions are in meters)
      const data = { ...shapeData };
      data.dimensions = flattenDimensions(data);

      // Build the piece (in meters)
      let piece = shapeBuilder.getPiece(data);

      // Scale from meters to mm for STL export
      piece = piece.scale(SCALE);

      // Generate STL using blobSTL method (as used in test_magnetic.html)
      const stl = piece.blobSTL({ tolerance: 1.0, angularTolerance: 0.8, binary: true });
      const blob = stl;

      log(`    STL size: ${stl.size} bytes`);

      if (stl.size > 100) {
        log('  ✓ PASSED', 'pass');
        passed++;
        addDownload(`shape_${family}.stl`, blob);
      } else {
        log('  ✗ FAILED: STL too small', 'fail');
        failed++;
      }
    } catch (err) {
      log(`  ✗ FAILED: ${err.message}`, 'fail');
      console.error(err);
      failed++;
    }
  }

  log('\n========================================', 'info');
  log('Core Assembly Tests', 'info');
  log('========================================\n', 'info');

  // Test complete core assembly for a few shapes
  const coreTestShapes = ['t', 'e', 'etd', 'rm', 'pq'];

  for (const family of coreTestShapes) {
    const testName = `test_core_${family}`;
    log(`\n${testName}`);

    try {
      const shapeData = testShapes[family];
      const geometricalDescription = createGeometricalDescription(shapeData);

      const builder = new ReplicadBuilder(replicadModule);
      // Pass the replicad module to getCore
      const core = getCore(replicadModule, geometricalDescription);

      if (core) {
        // Generate STL using blobSTL method
        const stl = core.blobSTL({ tolerance: 1.0, angularTolerance: 0.8, binary: true });
        const blob = stl;

        log(`    STL size: ${stl.size} bytes`);

        if (stl.size > 100) {
          log('  ✓ PASSED', 'pass');
          passed++;
          addDownload(`core_${family}.stl`, blob);
        } else {
          log('  ✗ FAILED: STL too small', 'fail');
          failed++;
        }
      } else {
        log('  ✗ FAILED: Core is null', 'fail');
        failed++;
      }
    } catch (err) {
      log(`  ✗ FAILED: ${err.message}`, 'fail');
      console.error(err);
      failed++;
    }
  }

  log('\n========================================', 'info');
  log('Gapped Core Tests (Central Gap)', 'info');
  log('========================================\n', 'info');

  // Test gapping with central column gap (subtractive gapping)
  // Machining format: { coordinates: [radial, height, depth], length: gapLength }
  // For central column: radial = 0
  const centralGapTestShapes = ['e', 'etd', 'pq'];

  for (const family of centralGapTestShapes) {
    const testName = `test_gapped_core_central_${family}`;
    log(`\n${testName}`);

    try {
      const shapeData = testShapes[family];
      const gapLength = 0.001; // 1mm gap

      // Create geometrical description with central column gap
      // The gap is centered at height=0 (middle of core)
      // Coordinates are [radial, height, depth]
      const geometricalDescription = [
        {
          type: 'half set',
          shape: shapeData,
          coordinates: [0, 0, 0],
          rotation: [Math.PI, Math.PI, 0],
          // Machining for top half: gap at height = gapLength/2 (from the split plane)
          machining: [{
            coordinates: [0, gapLength / 2, 0],  // [radial=0 for central, height, depth]
            length: gapLength / 2  // Half the gap in each piece
          }]
        },
        {
          type: 'half set',
          shape: shapeData,
          coordinates: [0, 0, 0],
          rotation: [0, 0, 0],
          // Machining for bottom half: gap at height = -gapLength/2
          machining: [{
            coordinates: [0, -gapLength / 2, 0],
            length: gapLength / 2
          }]
        }
      ];

      const core = getCore(replicadModule, geometricalDescription);

      if (core) {
        const stl = core.blobSTL({ tolerance: 1.0, angularTolerance: 0.8, binary: true });
        const blob = stl;

        log(`    STL size: ${stl.size} bytes`);

        if (stl.size > 100) {
          log('  ✓ PASSED', 'pass');
          passed++;
          addDownload(`gapped_central_${family}.stl`, blob);
        } else {
          log('  ✗ FAILED: STL too small', 'fail');
          failed++;
        }
      } else {
        log('  ✗ FAILED: Core is null', 'fail');
        failed++;
      }
    } catch (err) {
      log(`  ✗ FAILED: ${err.message}`, 'fail');
      console.error(err);
      failed++;
    }
  }

  log('\n========================================', 'info');
  log('Gapped Core Tests (Distributed Gap)', 'info');
  log('========================================\n', 'info');

  // Test distributed gapping (gaps on lateral columns)
  // Machining format: { coordinates: [radial, height, depth], length: gapLength }
  // For lateral columns: radial = ±(distance from center)
  const distributedGapTestShapes = ['e', 'etd'];

  for (const family of distributedGapTestShapes) {
    const testName = `test_gapped_core_distributed_${family}`;
    log(`\n${testName}`);

    try {
      const shapeData = testShapes[family];
      const dims = flattenDimensions(shapeData);
      const gapLength = 0.0005; // 0.5mm gap per column

      // Distance to lateral columns (approximately E/2 or half of winding window width)
      const lateralDistance = dims.E / 2;

      // Create geometrical description with distributed gaps
      const geometricalDescription = [
        {
          type: 'half set',
          shape: shapeData,
          coordinates: [0, 0, 0],
          rotation: [Math.PI, Math.PI, 0],
          // Machining for top half: gaps on both lateral columns
          machining: [
            {
              coordinates: [lateralDistance, gapLength / 2, 0],  // Right lateral column
              length: gapLength / 2
            },
            {
              coordinates: [-lateralDistance, gapLength / 2, 0],  // Left lateral column
              length: gapLength / 2
            }
          ]
        },
        {
          type: 'half set',
          shape: shapeData,
          coordinates: [0, 0, 0],
          rotation: [0, 0, 0],
          // Machining for bottom half
          machining: [
            {
              coordinates: [lateralDistance, -gapLength / 2, 0],
              length: gapLength / 2
            },
            {
              coordinates: [-lateralDistance, -gapLength / 2, 0],
              length: gapLength / 2
            }
          ]
        }
      ];

      const core = getCore(replicadModule, geometricalDescription);

      if (core) {
        const stl = core.blobSTL({ tolerance: 1.0, angularTolerance: 0.8, binary: true });
        const blob = stl;

        log(`    STL size: ${stl.size} bytes`);

        if (stl.size > 100) {
          log('  ✓ PASSED', 'pass');
          passed++;
          addDownload(`gapped_distributed_${family}.stl`, blob);
        } else {
          log('  ✗ FAILED: STL too small', 'fail');
          failed++;
        }
      } else {
        log('  ✗ FAILED: Core is null', 'fail');
        failed++;
      }
    } catch (err) {
      log(`  ✗ FAILED: ${err.message}`, 'fail');
      console.error(err);
      failed++;
    }
  }

  log('\n========================================', 'info');
  log('Test Summary', 'info');
  log('========================================', 'info');
  log(`Total: ${passed + failed}, Passed: ${passed}, Failed: ${failed}`);

  if (failed === 0) {
    log('✓ All tests PASSED!', 'pass');
  } else {
    log(`✗ ${failed} tests FAILED!`, 'fail');
  }

  window.testsDone = true;
}

runTests().catch(err => {
  log('FATAL ERROR: ' + err.message, 'fail');
  console.error(err);
  window.testsDone = true;
});
</script>
</body>
</html>