Files
PozzettiAndrea-ComfyUI-Geom…/javascript/viewer_dual_slider.html
T
PozzettiAndrea 9ebf36b571 Rename viewer bundles .js -> .mjs so they stop leaking into the main realm
ComfyUI auto-imports every web/**/*.js into the shared main page; the four
big bundles (three, vtk-gltf, viewer-bundle-vtk, gsplat) only ever run
inside the viewer iframes but were getting pulled into the main document
too, where they wrote window.THREE / window.vtk / globalThis.* and could
collide with any other 3D pack. The **/*.js glob only matches .js, so
renaming to .mjs drops them from the auto-import while the iframes still
load them via classic <script src> (mime resolves to text/javascript).
window.* pollution from these bundles is gone from the main realm.
2026-08-13 11:41:01 +02:00

1245 lines
48 KiB
HTML

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>GeomPack VTK.js Dual Mesh Slider Viewer</title>
<style>
body {
margin: 0;
overflow: hidden;
background: #2a2a2a;
font-family: monospace;
display: flex;
flex-direction: column;
height: 100vh;
}
#viewerContainer {
flex: 1;
position: relative;
min-height: 0;
}
/* Two stacked render containers */
.render-layer {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
}
#mesh1Container {
z-index: 1;
}
#mesh2Container {
z-index: 2;
/* Will be clipped by JavaScript */
}
#loading {
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
color: white;
font-size: 14px;
text-align: center;
z-index: 1000;
pointer-events: none;
}
/* Slider overlay */
#sliderOverlay {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
pointer-events: none;
z-index: 100;
}
#sliderLine {
position: absolute;
top: 0;
width: 2px;
height: 100%;
background: #00e0ff;
pointer-events: auto;
cursor: ew-resize;
box-shadow: 0 0 8px rgba(0, 224, 255, 0.5);
}
#sliderHandle {
position: absolute;
width: 20px;
height: 20px;
background: #00e0ff;
border: 2px solid white;
border-radius: 50%;
transform: translate(-50%, -50%);
pointer-events: auto;
cursor: ew-resize;
transition: transform 0.1s, box-shadow 0.1s;
box-shadow: 0 0 8px rgba(0, 224, 255, 0.5);
}
#sliderHandle:hover, #sliderHandle.dragging {
transform: translate(-50%, -50%) scale(1.2);
box-shadow: 0 0 15px rgba(0, 224, 255, 0.8);
}
.mesh-label {
position: absolute;
top: 8px;
color: white;
font-size: 14px;
font-weight: bold;
text-shadow: 2px 2px 4px black;
pointer-events: none;
background: rgba(0, 0, 0, 0.6);
padding: 4px 10px;
border-radius: 4px;
z-index: 101;
}
#labelMesh1 {
left: 12px;
}
#labelMesh2 {
right: 12px;
}
#controls {
background: #1a1a1a;
border-top: 1px solid #444;
padding: 8px 12px;
display: flex;
gap: 12px;
align-items: center;
flex-wrap: wrap;
font-size: 12px;
color: #ccc;
min-height: 48px;
overflow-x: auto;
}
#controls button, #controls select {
background: #333;
color: #ccc;
border: 1px solid #555;
padding: 4px 8px;
border-radius: 3px;
font-size: 12px;
font-family: monospace;
cursor: pointer;
}
#controls button:hover {
background: #444;
}
#controls label {
display: flex;
align-items: center;
gap: 4px;
}
.divider {
width: 1px;
height: 20px;
background: #444;
margin: 0 8px;
}
/* Settings panel */
#settingsPanel {
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
background: #1a1a1a;
border: 1px solid #555;
border-radius: 6px;
padding: 16px;
z-index: 2000;
display: none;
min-width: 280px;
max-height: 80%;
overflow-y: auto;
box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
}
#settingsPanel.visible {
display: block;
}
#settingsPanel h3 {
margin: 0 0 12px 0;
color: #ccc;
font-size: 14px;
font-weight: normal;
border-bottom: 1px solid #333;
padding-bottom: 8px;
}
#settingsPanel .setting-row {
display: flex;
align-items: center;
gap: 12px;
margin-bottom: 12px;
}
#settingsPanel .setting-row label {
flex: 0 0 100px;
color: #ccc;
font-size: 12px;
}
#settingsPanel .setting-row input[type="color"] {
flex: 1;
height: 32px;
border: 1px solid #555;
background: #333;
cursor: pointer;
}
#settingsPanel .setting-row input[type="number"] {
flex: 1;
background: #333;
color: #ccc;
border: 1px solid #555;
padding: 6px 8px;
border-radius: 3px;
font-size: 12px;
font-family: monospace;
}
#settingsPanel .setting-row select {
flex: 1;
background: #333;
color: #ccc;
border: 1px solid #555;
padding: 6px 8px;
border-radius: 3px;
font-size: 12px;
font-family: monospace;
}
#settingsPanel .button-row {
display: flex;
gap: 8px;
margin-top: 16px;
padding-top: 12px;
border-top: 1px solid #333;
}
#settingsPanel .button-row button {
flex: 1;
padding: 6px 12px;
font-size: 12px;
}
#settingsOverlay {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
background: rgba(0, 0, 0, 0.5);
z-index: 1999;
display: none;
}
#settingsOverlay.visible {
display: block;
}
#settingsButton {
background: #333;
width: 32px;
height: 32px;
padding: 0;
display: flex;
align-items: center;
justify-content: center;
font-size: 16px;
}
</style>
</head>
<body>
<div id="viewerContainer">
<!-- Bottom layer: Mesh 1 (fully visible) -->
<div id="mesh1Container" class="render-layer"></div>
<!-- Top layer: Mesh 2 (clipped by slider) -->
<div id="mesh2Container" class="render-layer"></div>
<!-- Slider overlay -->
<div id="sliderOverlay">
<div id="sliderLine"></div>
<div id="sliderHandle"></div>
<div class="mesh-label" id="labelMesh1">Mesh 1</div>
<div class="mesh-label" id="labelMesh2">Mesh 2</div>
</div>
<div id="loading">Ready to load meshes</div>
<!-- Settings overlay and panel -->
<div id="settingsOverlay"></div>
<div id="settingsPanel">
<h3>Appearance Settings</h3>
<div class="setting-row">
<label>Point Size:</label>
<input type="number" id="pointSize" min="1" max="20" step="1" value="10">
</div>
<div class="setting-row">
<label>Mesh Color:</label>
<input type="color" id="meshColor" value="#99ccff">
</div>
<div class="setting-row">
<label>Edge Width:</label>
<input type="number" id="edgeWidth" min="1" max="10" step="1" value="1">
</div>
<div class="setting-row">
<label>Render Mode:</label>
<select id="representationSettings">
<option value="2">Surface</option>
<option value="1">Wireframe</option>
<option value="0">Points</option>
</select>
</div>
<div class="setting-row">
<label>
<input type="checkbox" id="parallelProjectionSetting"> Parallel Projection
</label>
</div>
<div class="setting-row" style="margin-top: 12px; padding-top: 12px; border-top: 1px solid #444;">
<label style="font-weight: bold; color: #aaa;">Colormap:</label>
</div>
<div class="setting-row">
<label>Preset:</label>
<select id="colormapSelector">
<option value="erdc_rainbow_bright">Rainbow</option>
<option value="Cool to Warm">Cool to Warm</option>
<option value="Viridis (matplotlib)">Viridis</option>
<option value="Plasma (matplotlib)">Plasma</option>
<option value="Grayscale">Grayscale</option>
</select>
</div>
<div class="button-row">
<button id="applySettings">Apply</button>
<button id="cancelSettings">Cancel</button>
</div>
</div>
</div>
<div id="controls">
<!-- Settings button -->
<button id="settingsButton" title="Appearance Settings">[Settings]</button>
<span class="divider"></span>
<label>
<input type="checkbox" id="showEdges"> Edges
</label>
<span class="divider"></span>
<button id="viewPosX">+X</button>
<button id="viewNegX">-X</button>
<button id="viewPosY">+Y</button>
<button id="viewNegY">-Y</button>
<button id="viewPosZ">+Z</button>
<button id="viewNegZ">-Z</button>
<span class="divider"></span>
<button id="resetCamera">Reset Camera</button>
<button id="resetSlider">Reset Slider</button>
<span class="divider"></span>
<label id="fieldLabel" style="display:none;">
Field:
<select id="fieldSelector"></select>
</label>
</div>
<script src="./js/vtk-gltf.mjs"></script>
<script src="./js/viewer-bundle-vtk.mjs"></script>
<script>
// Get VTK.js classes
const vtkFullScreenRenderWindow = vtk.Rendering.Misc.vtkFullScreenRenderWindow;
const vtkActor = vtk.Rendering.Core.vtkActor;
const vtkMapper = vtk.Rendering.Core.vtkMapper;
const vtkSTLReader = vtk.IO.Geometry.vtkSTLReader;
const vtkOBJReader = vtk.IO.Misc.vtkOBJReader;
const vtkXMLPolyDataReader = vtk.IO.XML.vtkXMLPolyDataReader;
const vtkPolyDataNormals = vtk.Filters.Core.vtkPolyDataNormals;
const vtkInteractorStyleTrackballCamera = vtk.Interaction.Style.vtkInteractorStyleTrackballCamera;
const vtkGLTFImporter = vtk.IO.Geometry.vtkGLTFImporter;
console.log('[GeomPack VTK Slider Viewer] Initializing...');
// Get FieldVisualization from viewer bundle
const { FieldVisualization } = window.GeomPackViewer || {};
const loading = document.getElementById('loading');
const mesh1Container = document.getElementById('mesh1Container');
const mesh2Container = document.getElementById('mesh2Container');
const sliderOverlay = document.getElementById('sliderOverlay');
const sliderLine = document.getElementById('sliderLine');
const sliderHandle = document.getElementById('sliderHandle');
// Viewer state
let renderer1, renderer2, renderWindow1, renderWindow2;
let fullScreenRenderer1, fullScreenRenderer2;
let interactor1, interactor2;
let mesh1Actor, mesh1Mapper, mesh2Actor, mesh2Mapper;
let mesh1Bounds, mesh2Bounds, combinedBounds;
let sliderPos = 0.5; // 0 = left edge, 1 = right edge
let isDragging = false;
// Field visualization state
let fieldVisualization1 = null;
let fieldVisualization2 = null;
let mesh1Polydata = null;
let mesh2Polydata = null;
// GLTF actors (stored separately since they replace the pre-made actors)
let mesh1GltfActors = null;
let mesh2GltfActors = null;
// Camera state persistence
let _cameraWheelTimer = null;
let _pendingCameraState = null;
function sendCameraState() {
const cam = renderer1?.getActiveCamera();
if (!cam) return;
window.parent.postMessage({
type: 'WIDGET_UPDATE',
widget: 'camera_state',
value: JSON.stringify({
position: cam.getPosition(),
focalPoint: cam.getFocalPoint(),
viewUp: cam.getViewUp()
})
}, '*');
}
function applyCameraState(cameraState) {
if (!cameraState) return false;
try {
const cs = typeof cameraState === 'string' ? JSON.parse(cameraState) : cameraState;
if (!cs.position || !cs.focalPoint || !cs.viewUp) return false;
[renderer1, renderer2].forEach(r => {
if (!r) return;
const cam = r.getActiveCamera();
cam.setPosition(...cs.position);
cam.setFocalPoint(...cs.focalPoint);
cam.setViewUp(...cs.viewUp);
r.resetCameraClippingRange();
});
return true;
} catch(e) { return false; }
}
// Camera sync state
let isSyncing = false;
let isAnimating1 = false;
let isAnimating2 = false;
// Initialize both viewers
function initViewers() {
if (fullScreenRenderer1) return;
// Renderer 1 (mesh 1 - bottom layer)
fullScreenRenderer1 = vtkFullScreenRenderWindow.newInstance({
background: [0.16, 0.16, 0.16],
container: mesh1Container,
});
renderer1 = fullScreenRenderer1.getRenderer();
renderWindow1 = fullScreenRenderer1.getRenderWindow();
interactor1 = renderWindow1.getInteractor();
const style1 = vtkInteractorStyleTrackballCamera.newInstance();
interactor1.setInteractorStyle(style1);
mesh1Actor = vtkActor.newInstance();
mesh1Mapper = vtkMapper.newInstance();
mesh1Actor.setMapper(mesh1Mapper);
const prop1 = mesh1Actor.getProperty();
prop1.setColor(0.3, 0.5, 0.95); // Blue
prop1.setEdgeVisibility(false);
prop1.setAmbient(0.4);
prop1.setDiffuse(0.8);
prop1.setSpecular(0.3);
prop1.setSpecularPower(20);
renderer1.addActor(mesh1Actor);
// Renderer 2 (mesh 2 - top layer, will be clipped)
fullScreenRenderer2 = vtkFullScreenRenderWindow.newInstance({
background: [0.16, 0.16, 0.16],
container: mesh2Container,
});
renderer2 = fullScreenRenderer2.getRenderer();
renderWindow2 = fullScreenRenderer2.getRenderWindow();
interactor2 = renderWindow2.getInteractor();
const style2 = vtkInteractorStyleTrackballCamera.newInstance();
interactor2.setInteractorStyle(style2);
mesh2Actor = vtkActor.newInstance();
mesh2Mapper = vtkMapper.newInstance();
mesh2Actor.setMapper(mesh2Mapper);
const prop2 = mesh2Actor.getProperty();
prop2.setColor(0.3, 0.85, 0.4); // Green
prop2.setEdgeVisibility(false);
prop2.setAmbient(0.4);
prop2.setDiffuse(0.8);
prop2.setSpecular(0.3);
prop2.setSpecularPower(20);
renderer2.addActor(mesh2Actor);
fullScreenRenderer1.resize();
fullScreenRenderer2.resize();
setupCameraSync();
// Initialize field visualization if available
if (FieldVisualization) {
fieldVisualization1 = new FieldVisualization(vtk, renderWindow1);
fieldVisualization2 = new FieldVisualization(vtk, renderWindow2);
console.log('[GeomPack VTK Slider Viewer] Field visualization initialized');
}
console.log('[GeomPack VTK Slider Viewer] Viewers initialized');
}
// Camera synchronization
function synchronizeCameras(sourceCamera, targetCamera) {
if (isSyncing) return;
isSyncing = true;
targetCamera.setPosition(...sourceCamera.getPosition());
targetCamera.setFocalPoint(...sourceCamera.getFocalPoint());
targetCamera.setViewUp(...sourceCamera.getViewUp());
targetCamera.setParallelProjection(sourceCamera.getParallelProjection());
targetCamera.setClippingRange(...sourceCamera.getClippingRange());
targetCamera.setParallelScale(sourceCamera.getParallelScale());
targetCamera.setViewAngle(sourceCamera.getViewAngle());
isSyncing = false;
}
function setupCameraSync() {
// Sync from renderer 1 to renderer 2
interactor1.onStartAnimation(() => { isAnimating1 = true; });
interactor1.onAnimation(() => {
if (isAnimating1 && !isAnimating2) {
synchronizeCameras(renderer1.getActiveCamera(), renderer2.getActiveCamera());
renderer2.resetCameraClippingRange();
renderWindow2.render();
}
});
interactor1.onEndAnimation(() => {
isAnimating1 = false;
if (!isAnimating2) {
synchronizeCameras(renderer1.getActiveCamera(), renderer2.getActiveCamera());
renderer2.resetCameraClippingRange();
renderWindow2.render();
sendCameraState();
}
});
// Sync from renderer 2 to renderer 1
interactor2.onStartAnimation(() => { isAnimating2 = true; });
interactor2.onAnimation(() => {
if (isAnimating2 && !isAnimating1) {
synchronizeCameras(renderer2.getActiveCamera(), renderer1.getActiveCamera());
renderer1.resetCameraClippingRange();
renderWindow1.render();
}
});
interactor2.onEndAnimation(() => {
isAnimating2 = false;
if (!isAnimating1) {
synchronizeCameras(renderer2.getActiveCamera(), renderer1.getActiveCamera());
renderer1.resetCameraClippingRange();
renderWindow1.render();
sendCameraState();
}
});
// Mouse wheel sync
setTimeout(() => {
const canvas1 = mesh1Container.querySelector('canvas');
const canvas2 = mesh2Container.querySelector('canvas');
if (canvas1) {
canvas1.addEventListener('wheel', () => {
setTimeout(() => {
if (!isAnimating2) {
synchronizeCameras(renderer1.getActiveCamera(), renderer2.getActiveCamera());
renderer2.resetCameraClippingRange();
renderWindow2.render();
}
}, 0);
clearTimeout(_cameraWheelTimer);
_cameraWheelTimer = setTimeout(sendCameraState, 150);
});
}
if (canvas2) {
canvas2.addEventListener('wheel', () => {
setTimeout(() => {
if (!isAnimating1) {
synchronizeCameras(renderer2.getActiveCamera(), renderer1.getActiveCamera());
renderer1.resetCameraClippingRange();
renderWindow1.render();
}
}, 0);
clearTimeout(_cameraWheelTimer);
_cameraWheelTimer = setTimeout(sendCameraState, 150);
});
}
}, 500);
}
// Load mesh function
async function loadMesh(filepath, targetMapper, isMesh1 = true) {
console.log(`[GeomPack VTK Slider Viewer] Loading mesh ${isMesh1 ? '1' : '2'}:`, filepath);
try {
const isSTL = filepath.includes('.stl');
const isOBJ = filepath.includes('.obj');
const isVTP = filepath.includes('.vtp');
const isGLB = filepath.includes('.glb');
let reader;
if (isSTL) {
reader = vtkSTLReader.newInstance();
} else if (isOBJ) {
reader = vtkOBJReader.newInstance();
} else if (isVTP) {
reader = vtkXMLPolyDataReader.newInstance();
} else if (isGLB) {
reader = vtkGLTFImporter.newInstance();
} else {
throw new Error(`Unsupported file format: ${filepath}`);
}
const response = await fetch(filepath);
if (!response.ok) {
throw new Error(`HTTP ${response.status}: ${response.statusText}`);
}
const arrayBuffer = await response.arrayBuffer();
if (isGLB) {
// GLTFImporter requires using its own actors - we can't extract polydata
// So we need to replace the pre-made actors with the GLTF actors
const targetRenderer = isMesh1 ? renderer1 : renderer2;
const targetActor = isMesh1 ? mesh1Actor : mesh2Actor;
// Clean up any previous GLTF actors
const prevGltfActors = isMesh1 ? mesh1GltfActors : mesh2GltfActors;
if (prevGltfActors) {
prevGltfActors.forEach(actor => targetRenderer.removeActor(actor));
}
const importer = vtkGLTFImporter.newInstance();
importer.setRenderer(targetRenderer);
importer.setUrl(filepath);
// Wait for GLTF parsing using onReady callback
await new Promise((resolve, reject) => {
importer.onReady(() => resolve());
importer.loadData().catch(reject);
});
// Import actors - this adds them to the renderer
importer.importActors();
const actorsMap = importer.getActors();
const actors = Array.from(actorsMap.values());
console.log(`[GeomPack VTK Slider Viewer] GLTF actors found: ${actors.length}`);
if (actors.length === 0) {
throw new Error('No actors found in GLTF');
}
// Remove the pre-made actor (it has no data)
targetRenderer.removeActor(targetActor);
// Calculate bounds from all GLTF actors and apply vertex color settings
let bounds = null;
actors.forEach((actor, idx) => {
const mapper = actor.getMapper();
const property = actor.getProperty();
const input = mapper?.getInputData();
if (input) {
const actorBounds = actor.getBounds();
if (!bounds) {
bounds = [...actorBounds];
} else {
bounds[0] = Math.min(bounds[0], actorBounds[0]);
bounds[1] = Math.max(bounds[1], actorBounds[1]);
bounds[2] = Math.min(bounds[2], actorBounds[2]);
bounds[3] = Math.max(bounds[3], actorBounds[3]);
bounds[4] = Math.min(bounds[4], actorBounds[4]);
bounds[5] = Math.max(bounds[5], actorBounds[5]);
}
// Check for vertex colors
const scalars = input.getPointData()?.getScalars();
if (scalars && scalars.getNumberOfComponents() >= 3) {
mapper.setScalarVisibility(true);
mapper.setScalarModeToUsePointData();
mapper.setColorModeToDirectScalars();
console.log(`[GeomPack VTK Slider Viewer] Mesh ${isMesh1 ? '1' : '2'} actor ${idx} has vertex colors`);
}
// Apply material fixes for better rendering
if (property) {
if (typeof property.setMetallic === 'function') property.setMetallic(0.0);
if (typeof property.setRoughness === 'function') property.setRoughness(1.0);
}
}
});
console.log(`[GeomPack VTK Slider Viewer] Mesh ${isMesh1 ? '1' : '2'} bounds:`, bounds);
if (isMesh1) {
mesh1Bounds = bounds;
mesh1Polydata = null; // GLTF doesn't provide simple polydata access
mesh1GltfActors = actors; // Store for later reference
} else {
mesh2Bounds = bounds;
mesh2Polydata = null;
mesh2GltfActors = actors;
}
} else {
if (isSTL) {
reader.parseAsArrayBuffer(arrayBuffer);
} else if (isOBJ) {
const text = new TextDecoder().decode(arrayBuffer);
reader.parseAsText(text);
} else if (isVTP) {
reader.parseAsArrayBuffer(arrayBuffer);
}
const polydata = reader.getOutputData();
if (!polydata) {
throw new Error('Failed to parse mesh data');
}
const normalsFilter = vtkPolyDataNormals.newInstance();
normalsFilter.setInputConnection(reader.getOutputPort());
targetMapper.setInputConnection(normalsFilter.getOutputPort());
targetMapper.setScalarVisibility(false);
targetMapper.update();
const mapperPolydata = targetMapper.getInputData();
if (isMesh1) {
mesh1Bounds = mapperPolydata.getBounds();
mesh1Polydata = mapperPolydata;
} else {
mesh2Bounds = mapperPolydata.getBounds();
mesh2Polydata = mapperPolydata;
}
}
// Populate field selectors after both meshes are loaded
if (mesh1Polydata && mesh2Polydata && fieldVisualization1) {
populateFieldSelectors();
}
console.log(`[GeomPack VTK Slider Viewer] Mesh ${isMesh1 ? '1' : '2'} Loaded successfully`);
} catch (error) {
console.error(`[GeomPack VTK Slider Viewer] Error loading mesh ${isMesh1 ? '1' : '2'}:`, error);
throw error;
}
}
// Calculate combined bounds
function updateCombinedBounds() {
if (mesh1Bounds && mesh2Bounds) {
combinedBounds = [
Math.min(mesh1Bounds[0], mesh2Bounds[0]),
Math.max(mesh1Bounds[1], mesh2Bounds[1]),
Math.min(mesh1Bounds[2], mesh2Bounds[2]),
Math.max(mesh1Bounds[3], mesh2Bounds[3]),
Math.min(mesh1Bounds[4], mesh2Bounds[4]),
Math.max(mesh1Bounds[5], mesh2Bounds[5])
];
} else if (mesh1Bounds) {
combinedBounds = [...mesh1Bounds];
} else if (mesh2Bounds) {
combinedBounds = [...mesh2Bounds];
}
}
// Populate field selectors from polydata
function populateFieldSelectors() {
if (!fieldVisualization1 || !mesh1Polydata || !mesh2Polydata) return;
const fieldSelector = document.getElementById('fieldSelector');
const fieldLabel = document.getElementById('fieldLabel');
// Extract fields from both meshes
const fields1 = fieldVisualization1.extractFields(mesh1Polydata);
const fields2 = fieldVisualization1.extractFields(mesh2Polydata);
// Find common fields between both meshes
const commonFields = fields1.allFields.filter(f1 =>
fields2.allFields.some(f2 => f2.fullName === f1.fullName)
);
console.log(`[GeomPack VTK Slider Viewer] Found ${commonFields.length} common fields:`, commonFields.map(f => f.displayName));
if (commonFields.length > 0) {
fieldSelector.innerHTML = '<option value="">None</option>';
commonFields.forEach(field => {
const option = document.createElement('option');
option.value = field.fullName;
option.textContent = field.displayName;
fieldSelector.appendChild(option);
});
fieldLabel.style.display = 'flex';
}
}
// Apply field visualization to both meshes
function applyFieldVisualization(fieldName, colormap) {
if (!fieldVisualization1 || !fieldVisualization2) return;
if (!fieldName) {
// Reset to solid colors
const prop1 = mesh1Actor.getProperty();
const prop2 = mesh2Actor.getProperty();
prop1.setColor(0.3, 0.5, 0.95); // Blue
prop2.setColor(0.3, 0.85, 0.4); // Green
mesh1Mapper.setScalarVisibility(false);
mesh2Mapper.setScalarVisibility(false);
} else {
// Calculate synchronized range for both meshes
const range = fieldVisualization1.calculateSynchronizedRange(
[mesh1Polydata, mesh2Polydata], fieldName
);
// Apply to mesh 1
fieldVisualization1.applyField(mesh1Mapper, mesh1Polydata, fieldName, {
colormap: colormap,
range: range
});
// Apply to mesh 2
fieldVisualization2.applyField(mesh2Mapper, mesh2Polydata, fieldName, {
colormap: colormap,
range: range
});
}
renderWindow1.render();
renderWindow2.render();
}
// Field selector event handlers
document.getElementById('fieldSelector').addEventListener('change', (e) => {
const fieldName = e.target.value;
const colormap = document.getElementById('colormapSelector').value;
applyFieldVisualization(fieldName, colormap);
window.parent.postMessage({
type: 'WIDGET_UPDATE',
widget: 'selected_field',
value: fieldName
}, '*');
});
document.getElementById('colormapSelector').addEventListener('change', (e) => {
const fieldName = document.getElementById('fieldSelector').value;
const colormap = e.target.value;
if (fieldName) {
applyFieldVisualization(fieldName, colormap);
}
window.parent.postMessage({
type: 'WIDGET_UPDATE',
widget: 'selected_colormap',
value: e.target.value
}, '*');
});
// Update slider UI and CSS clip-path
function updateSlider() {
const containerRect = mesh1Container.getBoundingClientRect();
const xPixel = containerRect.width * sliderPos;
// Update slider line and handle position
sliderLine.style.left = `${xPixel}px`;
sliderHandle.style.left = `${xPixel}px`;
sliderHandle.style.top = `${containerRect.height / 2}px`;
// CSS clip-path: inset(top right bottom left)
// Clip mesh2 container to show only the RIGHT portion (from slider to right edge)
const clipLeft = sliderPos * 100;
mesh2Container.style.clipPath = `inset(0 0 0 ${clipLeft}%)`;
}
// Position camera at an angle
function positionCamera(bounds) {
const center = [
(bounds[0] + bounds[1]) / 2,
(bounds[2] + bounds[3]) / 2,
(bounds[4] + bounds[5]) / 2
];
const maxDim = Math.max(
bounds[1] - bounds[0],
bounds[3] - bounds[2],
bounds[5] - bounds[4]
);
const distance = maxDim * 2.5;
// Set both cameras to same position
[renderer1.getActiveCamera(), renderer2.getActiveCamera()].forEach(camera => {
camera.setPosition(
center[0] + distance,
center[1] + distance,
center[2] + distance
);
camera.setFocalPoint(center[0], center[1], center[2]);
camera.setViewUp(0, 0, 1);
});
renderer1.resetCamera(bounds);
renderer2.resetCamera(bounds);
renderer1.resetCameraClippingRange();
renderer2.resetCameraClippingRange();
}
// Slider drag handling
function startDrag(e) {
isDragging = true;
sliderHandle.classList.add('dragging');
e.preventDefault();
}
function onDrag(e) {
if (!isDragging) return;
const containerRect = mesh1Container.getBoundingClientRect();
let clientX;
if (e.touches) {
clientX = e.touches[0].clientX;
} else {
clientX = e.clientX;
}
const x = clientX - containerRect.left;
sliderPos = Math.max(0, Math.min(1, x / containerRect.width));
updateSlider();
}
function endDrag() {
isDragging = false;
sliderHandle.classList.remove('dragging');
}
// Set up slider event listeners
sliderHandle.addEventListener('mousedown', startDrag);
sliderLine.addEventListener('mousedown', startDrag);
document.addEventListener('mousemove', onDrag);
document.addEventListener('mouseup', endDrag);
// Touch support
sliderHandle.addEventListener('touchstart', startDrag);
sliderLine.addEventListener('touchstart', startDrag);
document.addEventListener('touchmove', onDrag);
document.addEventListener('touchend', endDrag);
// Click on overlay to jump slider
sliderOverlay.addEventListener('click', (e) => {
if (e.target === sliderOverlay) {
const containerRect = mesh1Container.getBoundingClientRect();
const x = e.clientX - containerRect.left;
sliderPos = Math.max(0, Math.min(1, x / containerRect.width));
updateSlider();
}
});
// Listen for messages from parent window
window.addEventListener('message', async (event) => {
if (event.data.type === 'LOAD_DUAL_MESH') {
const data = event.data;
console.log('[GeomPack VTK Slider Viewer] Received LOAD_DUAL_MESH message:', data);
loading.textContent = 'Loading meshes...';
loading.style.display = 'block';
try {
initViewers();
await loadMesh(data.mesh1Filepath, mesh1Mapper, true);
await loadMesh(data.mesh2Filepath, mesh2Mapper, false);
updateCombinedBounds();
// Reset slider to center
sliderPos = 0.5;
updateSlider();
_pendingCameraState = data.cameraState || null;
if (!applyCameraState(_pendingCameraState)) {
positionCamera(combinedBounds);
}
// Apply opacity values (handle both regular actors and GLTF actors)
if (data.opacity1 !== undefined) {
if (mesh1GltfActors) {
mesh1GltfActors.forEach(actor => actor.getProperty().setOpacity(data.opacity1));
} else {
mesh1Actor.getProperty().setOpacity(data.opacity1);
}
}
if (data.opacity2 !== undefined) {
if (mesh2GltfActors) {
mesh2GltfActors.forEach(actor => actor.getProperty().setOpacity(data.opacity2));
} else {
mesh2Actor.getProperty().setOpacity(data.opacity2);
}
}
// Apply showEdges from message data
const showEdges = data.showEdges || false;
if (mesh1GltfActors) {
mesh1GltfActors.forEach(actor => actor.getProperty().setEdgeVisibility(showEdges));
} else {
mesh1Actor.getProperty().setEdgeVisibility(showEdges);
}
if (mesh2GltfActors) {
mesh2GltfActors.forEach(actor => actor.getProperty().setEdgeVisibility(showEdges));
} else {
mesh2Actor.getProperty().setEdgeVisibility(showEdges);
}
document.getElementById('showEdges').checked = showEdges;
// Restore colormap from parent widget state
const selectedColormap = data.selectedColormap || "";
if (selectedColormap) {
const colormapSel = document.getElementById('colormapSelector');
if (colormapSel && Array.from(colormapSel.options).some(o => o.value === selectedColormap)) {
colormapSel.value = selectedColormap;
}
}
// Restore selected field from parent widget state
const selectedField = data.selectedField || "";
if (selectedField && fieldVisualization1 && mesh1Polydata && mesh2Polydata) {
const fieldSelector = document.getElementById('fieldSelector');
if (fieldSelector && Array.from(fieldSelector.options).some(o => o.value === selectedField)) {
fieldSelector.value = selectedField;
const colormap = document.getElementById('colormapSelector').value;
applyFieldVisualization(selectedField, colormap);
}
}
renderWindow1.render();
renderWindow2.render();
loading.style.display = 'none';
console.log('[GeomPack VTK Slider Viewer] Meshes Loaded successfully');
} catch (error) {
console.error('[GeomPack VTK Slider Viewer] Error loading meshes:', error);
loading.textContent = `Error: ${error.message}`;
loading.style.color = '#ff6b6b';
}
}
});
// Control event handlers
document.getElementById('showEdges').addEventListener('change', (e) => {
const edgeViz = e.target.checked;
// Handle both regular actors and GLTF actors
if (mesh1GltfActors) {
mesh1GltfActors.forEach(actor => actor.getProperty().setEdgeVisibility(edgeViz));
} else {
mesh1Actor.getProperty().setEdgeVisibility(edgeViz);
}
if (mesh2GltfActors) {
mesh2GltfActors.forEach(actor => actor.getProperty().setEdgeVisibility(edgeViz));
} else {
mesh2Actor.getProperty().setEdgeVisibility(edgeViz);
}
renderWindow1.render();
renderWindow2.render();
window.parent.postMessage({ type: 'WIDGET_UPDATE', widget: 'show_edges', value: e.target.checked }, '*');
});
document.getElementById('resetCamera').addEventListener('click', () => {
if (!combinedBounds) return;
positionCamera(combinedBounds);
renderWindow1.render();
renderWindow2.render();
});
document.getElementById('resetSlider').addEventListener('click', () => {
sliderPos = 0.5;
updateSlider();
});
// Camera view buttons
function setCameraView(direction) {
if (!combinedBounds) return;
const center = [
(combinedBounds[0] + combinedBounds[1]) / 2,
(combinedBounds[2] + combinedBounds[3]) / 2,
(combinedBounds[4] + combinedBounds[5]) / 2
];
const maxDim = Math.max(
combinedBounds[1] - combinedBounds[0],
combinedBounds[3] - combinedBounds[2],
combinedBounds[5] - combinedBounds[4]
);
const distance = maxDim * 2.5;
let position, viewUp;
switch(direction) {
case '+X':
position = [center[0] + distance, center[1], center[2]];
viewUp = [0, 0, 1];
break;
case '-X':
position = [center[0] - distance, center[1], center[2]];
viewUp = [0, 0, 1];
break;
case '+Y':
position = [center[0], center[1] + distance, center[2]];
viewUp = [0, 0, 1];
break;
case '-Y':
position = [center[0], center[1] - distance, center[2]];
viewUp = [0, 0, 1];
break;
case '+Z':
position = [center[0], center[1], center[2] + distance];
viewUp = [0, 1, 0];
break;
case '-Z':
position = [center[0], center[1], center[2] - distance];
viewUp = [0, 1, 0];
break;
}
[renderer1.getActiveCamera(), renderer2.getActiveCamera()].forEach(camera => {
camera.setPosition(...position);
camera.setFocalPoint(...center);
camera.setViewUp(...viewUp);
});
renderer1.resetCamera();
renderer2.resetCamera();
renderer1.resetCameraClippingRange();
renderer2.resetCameraClippingRange();
renderWindow1.render();
renderWindow2.render();
}
document.getElementById('viewPosX').addEventListener('click', () => setCameraView('+X'));
document.getElementById('viewNegX').addEventListener('click', () => setCameraView('-X'));
document.getElementById('viewPosY').addEventListener('click', () => setCameraView('+Y'));
document.getElementById('viewNegY').addEventListener('click', () => setCameraView('-Y'));
document.getElementById('viewPosZ').addEventListener('click', () => setCameraView('+Z'));
document.getElementById('viewNegZ').addEventListener('click', () => setCameraView('-Z'));
// Settings panel handlers
const settingsButton = document.getElementById('settingsButton');
const settingsPanel = document.getElementById('settingsPanel');
const settingsOverlay = document.getElementById('settingsOverlay');
const pointSizeInput = document.getElementById('pointSize');
const meshColorInput = document.getElementById('meshColor');
const edgeWidthInput = document.getElementById('edgeWidth');
const representationSettings = document.getElementById('representationSettings');
const parallelProjectionInput = document.getElementById('parallelProjectionSetting');
const applySettingsButton = document.getElementById('applySettings');
const cancelSettingsButton = document.getElementById('cancelSettings');
let currentPointSize = 3;
let currentMeshColor = '#99ccff';
let currentEdgeWidth = 1;
let currentRepresentation = 2;
let currentParallelProjection = false;
settingsButton.addEventListener('click', () => {
pointSizeInput.value = currentPointSize;
meshColorInput.value = currentMeshColor;
edgeWidthInput.value = currentEdgeWidth;
representationSettings.value = currentRepresentation.toString();
parallelProjectionInput.checked = currentParallelProjection;
settingsPanel.classList.add('visible');
settingsOverlay.classList.add('visible');
});
function closeSettingsPanel() {
settingsPanel.classList.remove('visible');
settingsOverlay.classList.remove('visible');
}
settingsOverlay.addEventListener('click', closeSettingsPanel);
cancelSettingsButton.addEventListener('click', closeSettingsPanel);
applySettingsButton.addEventListener('click', () => {
const newPointSize = parseFloat(pointSizeInput.value);
const newColor = meshColorInput.value;
const newEdgeWidth = parseFloat(edgeWidthInput.value);
const newRepresentation = parseInt(representationSettings.value);
const newParallelProjection = parallelProjectionInput.checked;
const r = parseInt(newColor.substr(1, 2), 16) / 255;
const g = parseInt(newColor.substr(3, 2), 16) / 255;
const b = parseInt(newColor.substr(5, 2), 16) / 255;
// Apply to both mesh actors
[mesh1Actor, mesh2Actor].forEach(actor => {
if (!actor) return;
const property = actor.getProperty();
property.setPointSize(newPointSize);
property.setColor(r, g, b);
property.setLineWidth(newEdgeWidth);
property.setRepresentation(newRepresentation);
});
// Apply to GLTF actors if present
[mesh1GltfActors, mesh2GltfActors].forEach(actors => {
if (!actors) return;
actors.forEach(actor => {
const property = actor.getProperty();
property.setPointSize(newPointSize);
property.setLineWidth(newEdgeWidth);
property.setRepresentation(newRepresentation);
});
});
// Apply parallel projection
[renderer1, renderer2].forEach(renderer => {
if (!renderer) return;
renderer.getActiveCamera().setParallelProjection(newParallelProjection);
renderer.resetCameraClippingRange();
});
currentPointSize = newPointSize;
currentMeshColor = newColor;
currentEdgeWidth = newEdgeWidth;
currentRepresentation = newRepresentation;
currentParallelProjection = newParallelProjection;
renderWindow1?.render();
renderWindow2?.render();
closeSettingsPanel();
});
// Window resize
window.addEventListener('resize', () => {
fullScreenRenderer1?.resize();
fullScreenRenderer2?.resize();
updateSlider();
renderWindow1?.render();
renderWindow2?.render();
});
console.log('[GeomPack VTK Slider Viewer] Ready');
</script>
</body>
</html>