Create app.py

app.py

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+import gradio as gr
+import numpy as np
+import random
+import torch
+import spaces
+
+from PIL import Image
+from diffusers import FlowMatchEulerDiscreteScheduler, QwenImageEditPlusPipeline
+
+
+MAX_SEED = np.iinfo(np.int32).max
+
+# --- Model Loading ---
+dtype = torch.bfloat16
+device = "cuda" if torch.cuda.is_available() else "cpu"
+
+pipe = QwenImageEditPlusPipeline.from_pretrained(
+    "Qwen/Qwen-Image-Edit-2511",
+    torch_dtype=dtype
+).to(device)
+
+# Load the lightning LoRA for fast inference
+pipe.load_lora_weights(
+    "lightx2v/Qwen-Image-Edit-2511-Lightning",
+    weight_name="Qwen-Image-Edit-2511-Lightning-4steps-V1.0-bf16.safetensors",
+    adapter_name="lightning"
+)
+
+# Load the multi-angles LoRA
+pipe.load_lora_weights(
+    "fal/Qwen-Image-Edit-2511-Multiple-Angles-LoRA",
+    weight_name="qwen-image-edit-2511-multiple-angles-lora.safetensors",
+    adapter_name="angles"
+)
+
+pipe.set_adapters(["lightning", "angles"], adapter_weights=[1.0, 1.0])
+
+# --- Prompt Building ---
+
+# Azimuth mappings (8 positions)
+AZIMUTH_MAP = {
+    0: "front view",
+    45: "front-right quarter view",
+    90: "right side view",
+    135: "back-right quarter view",
+    180: "back view",
+    225: "back-left quarter view",
+    270: "left side view",
+    315: "front-left quarter view"
+}
+
+# Elevation mappings (4 positions)
+ELEVATION_MAP = {
+    -30: "low-angle shot",
+    0: "eye-level shot",
+    30: "elevated shot",
+    60: "high-angle shot"
+}
+
+# Distance mappings (3 positions)
+DISTANCE_MAP = {
+    0.6: "close-up",
+    1.0: "medium shot",
+    1.8: "wide shot"
+}
+
+
+def snap_to_nearest(value, options):
+    """Snap a value to the nearest option in a list."""
+    return min(options, key=lambda x: abs(x - value))
+
+
+def build_camera_prompt(azimuth: float, elevation: float, distance: float) -> str:
+    """
+    Build a camera prompt from azimuth, elevation, and distance values.
+    
+    Args:
+        azimuth: Horizontal rotation in degrees (0-360)
+        elevation: Vertical angle in degrees (-30 to 60)
+        distance: Distance factor (0.6 to 1.8)
+    
+    Returns:
+        Formatted prompt string for the LoRA
+    """
+    # Snap to nearest valid values
+    azimuth_snapped = snap_to_nearest(azimuth, list(AZIMUTH_MAP.keys()))
+    elevation_snapped = snap_to_nearest(elevation, list(ELEVATION_MAP.keys()))
+    distance_snapped = snap_to_nearest(distance, list(DISTANCE_MAP.keys()))
+    
+    azimuth_name = AZIMUTH_MAP[azimuth_snapped]
+    elevation_name = ELEVATION_MAP[elevation_snapped]
+    distance_name = DISTANCE_MAP[distance_snapped]
+    
+    return f"<sks> {azimuth_name} {elevation_name} {distance_name}"
+
+
+@spaces.GPU
+def infer_camera_edit(
+    image: Image.Image,
+    azimuth: float = 0.0,
+    elevation: float = 0.0,
+    distance: float = 1.0,
+    seed: int = 0,
+    randomize_seed: bool = True,
+    guidance_scale: float = 1.0,
+    num_inference_steps: int = 4,
+    height: int = 1024,
+    width: int = 1024,
+):
+    """
+    Edit the camera angle of an image using Qwen Image Edit 2511 with multi-angles LoRA.
+    """
+    progress = gr.Progress(track_tqdm=True)
+    
+    prompt = build_camera_prompt(azimuth, elevation, distance)
+    print(f"Generated Prompt: {prompt}")
+
+    if randomize_seed:
+        seed = random.randint(0, MAX_SEED)
+    generator = torch.Generator(device=device).manual_seed(seed)
+
+    if image is None:
+        raise gr.Error("Please upload an image first.")
+
+    pil_image = image.convert("RGB") if isinstance(image, Image.Image) else Image.open(image).convert("RGB")
+
+    result = pipe(
+        image=[pil_image],
+        prompt=prompt,
+        height=height if height != 0 else None,
+        width=width if width != 0 else None,
+        num_inference_steps=num_inference_steps,
+        generator=generator,
+        guidance_scale=guidance_scale,
+        num_images_per_prompt=1,
+    ).images[0]
+
+    return result, seed, prompt
+
+
+def update_dimensions_on_upload(image):
+    """Compute recommended dimensions preserving aspect ratio."""
+    if image is None:
+        return 1024, 1024
+
+    original_width, original_height = image.size
+
+    if original_width > original_height:
+        new_width = 1024
+        aspect_ratio = original_height / original_width
+        new_height = int(new_width * aspect_ratio)
+    else:
+        new_height = 1024
+        aspect_ratio = original_width / original_height
+        new_width = int(new_height * aspect_ratio)
+
+    new_width = (new_width // 8) * 8
+    new_height = (new_height // 8) * 8
+
+    return new_width, new_height
+
+
+# --- 3D Camera Control Component ---
+class CameraControl3D(gr.HTML):
+    """
+    A 3D camera control component using Three.js.
+    Outputs: { azimuth: number, elevation: number, distance: number }
+    """
+    def __init__(self, value=None, **kwargs):
+        if value is None:
+            value = {"azimuth": 0, "elevation": 0, "distance": 1.0}
+        
+        html_template = """
+        <div id="camera-control-wrapper" style="width: 100%; height: 450px; position: relative; background: #1a1a1a; border-radius: 12px; overflow: hidden;">
+            <div id="prompt-overlay" style="position: absolute; bottom: 10px; left: 50%; transform: translateX(-50%); background: rgba(0,0,0,0.8); padding: 8px 16px; border-radius: 8px; font-family: monospace; font-size: 12px; color: #00ff88; white-space: nowrap; z-index: 10;"></div>
+        </div>
+        <script src="https://cdnjs.cloudflare.com/ajax/libs/three.js/r128/three.min.js"></script>
+        """
+        
+        js_on_load = """
+        (() => {
+            const wrapper = element.querySelector('#camera-control-wrapper');
+            const promptOverlay = element.querySelector('#prompt-overlay');
+            
+            // Wait for THREE to load
+            const initScene = () => {
+                if (typeof THREE === 'undefined') {
+                    setTimeout(initScene, 100);
+                    return;
+                }
+                
+                // Scene setup
+                const scene = new THREE.Scene();
+                scene.background = new THREE.Color(0x1a1a1a);
+                
+                const camera = new THREE.PerspectiveCamera(50, wrapper.clientWidth / wrapper.clientHeight, 0.1, 1000);
+                camera.position.set(6, 4, 6);
+                camera.lookAt(0, 0.75, 0);
+                
+                const renderer = new THREE.WebGLRenderer({ antialias: true });
+                renderer.setSize(wrapper.clientWidth, wrapper.clientHeight);
+                renderer.setPixelRatio(Math.min(window.devicePixelRatio, 2));
+                wrapper.insertBefore(renderer.domElement, promptOverlay);
+                
+                // Lighting
+                scene.add(new THREE.AmbientLight(0xffffff, 0.4));
+                const dirLight = new THREE.DirectionalLight(0xffffff, 0.8);
+                dirLight.position.set(5, 10, 5);
+                scene.add(dirLight);
+                
+                // Grid
+                scene.add(new THREE.GridHelper(8, 16, 0x333333, 0x222222));
+                
+                // Constants
+                const CENTER = new THREE.Vector3(0, 0.75, 0);
+                const BASE_DISTANCE = 2.5;
+                const AZIMUTH_RADIUS = 2.8;
+                const ELEVATION_RADIUS = 2.0;
+                
+                // State
+                let azimuthAngle = props.value?.azimuth || 0;
+                let elevationAngle = props.value?.elevation || 0;
+                let distanceFactor = props.value?.distance || 1.0;
+                
+                // Mappings
+                const azimuthSteps = [0, 45, 90, 135, 180, 225, 270, 315];
+                const elevationSteps = [-30, 0, 30, 60];
+                const distanceSteps = [0.6, 1.0, 1.8];
+                
+                const azimuthNames = {
+                    0: 'front view', 45: 'front-right quarter view', 90: 'right side view',
+                    135: 'back-right quarter view', 180: 'back view', 225: 'back-left quarter view',
+                    270: 'left side view', 315: 'front-left quarter view'
+                };
+                const elevationNames = { '-30': 'low-angle shot', '0': 'eye-level shot', '30': 'elevated shot', '60': 'high-angle shot' };
+                const distanceNames = { '0.6': 'close-up', '1': 'medium shot', '1.8': 'wide shot' };
+                
+                function snapToNearest(value, steps) {
+                    return steps.reduce((prev, curr) => Math.abs(curr - value) < Math.abs(prev - value) ? curr : prev);
+                }
+                
+                // Target image plane
+                const imgCanvas = document.createElement('canvas');
+                imgCanvas.width = 256;
+                imgCanvas.height = 256;
+                const ctx = imgCanvas.getContext('2d');
+                ctx.fillStyle = '#3a3a4a';
+                ctx.fillRect(0, 0, 256, 256);
+                ctx.fillStyle = '#ffcc99';
+                ctx.beginPath();
+                ctx.arc(128, 128, 80, 0, Math.PI * 2);
+                ctx.fill();
+                ctx.fillStyle = '#333';
+                ctx.beginPath();
+                ctx.arc(100, 110, 10, 0, Math.PI * 2);
+                ctx.arc(156, 110, 10, 0, Math.PI * 2);
+                ctx.fill();
+                ctx.strokeStyle = '#333';
+                ctx.lineWidth = 3;
+                ctx.beginPath();
+                ctx.arc(128, 130, 35, 0.2, Math.PI - 0.2);
+                ctx.stroke();
+                
+                const texture = new THREE.CanvasTexture(imgCanvas);
+                const targetPlane = new THREE.Mesh(
+                    new THREE.PlaneGeometry(1.2, 1.2),
+                    new THREE.MeshBasicMaterial({ map: texture, side: THREE.DoubleSide })
+                );
+                targetPlane.position.copy(CENTER);
+                scene.add(targetPlane);
+                
+                // Camera model
+                const cameraGroup = new THREE.Group();
+                const bodyMat = new THREE.MeshStandardMaterial({ color: 0x333333, metalness: 0.8, roughness: 0.2 });
+                const body = new THREE.Mesh(new THREE.BoxGeometry(0.3, 0.22, 0.38), bodyMat);
+                cameraGroup.add(body);
+                const lens = new THREE.Mesh(
+                    new THREE.CylinderGeometry(0.09, 0.11, 0.18, 16),
+                    new THREE.MeshStandardMaterial({ color: 0x111111, metalness: 0.9, roughness: 0.1 })
+                );
+                lens.rotation.x = Math.PI / 2;
+                lens.position.z = 0.26;
+                cameraGroup.add(lens);
+                scene.add(cameraGroup);
+                
+                // GREEN: Azimuth ring
+                const azimuthRing = new THREE.Mesh(
+                    new THREE.TorusGeometry(AZIMUTH_RADIUS, 0.04, 16, 64),
+                    new THREE.MeshStandardMaterial({ color: 0x00ff88, emissive: 0x00ff88, emissiveIntensity: 0.3 })
+                );
+                azimuthRing.rotation.x = Math.PI / 2;
+                azimuthRing.position.y = 0.05;
+                scene.add(azimuthRing);
+                
+                const azimuthHandle = new THREE.Mesh(
+                    new THREE.SphereGeometry(0.18, 16, 16),
+                    new THREE.MeshStandardMaterial({ color: 0x00ff88, emissive: 0x00ff88, emissiveIntensity: 0.5 })
+                );
+                azimuthHandle.userData.type = 'azimuth';
+                scene.add(azimuthHandle);
+                
+                // PINK: Elevation arc
+                const arcPoints = [];
+                for (let i = 0; i <= 32; i++) {
+                    const angle = THREE.MathUtils.degToRad(-30 + (90 * i / 32));
+                    arcPoints.push(new THREE.Vector3(0, ELEVATION_RADIUS * Math.sin(angle) + CENTER.y, ELEVATION_RADIUS * Math.cos(angle)));
+                }
+                const arcCurve = new THREE.CatmullRomCurve3(arcPoints);
+                const elevationArc = new THREE.Mesh(
+                    new THREE.TubeGeometry(arcCurve, 32, 0.04, 8, false),
+                    new THREE.MeshStandardMaterial({ color: 0xff69b4, emissive: 0xff69b4, emissiveIntensity: 0.3 })
+                );
+                scene.add(elevationArc);
+                
+                const elevationHandle = new THREE.Mesh(
+                    new THREE.SphereGeometry(0.18, 16, 16),
+                    new THREE.MeshStandardMaterial({ color: 0xff69b4, emissive: 0xff69b4, emissiveIntensity: 0.5 })
+                );
+                elevationHandle.userData.type = 'elevation';
+                scene.add(elevationHandle);
+                
+                // ORANGE: Distance line & handle
+                const distanceLineGeo = new THREE.BufferGeometry();
+                const distanceLine = new THREE.Line(distanceLineGeo, new THREE.LineBasicMaterial({ color: 0xffa500 }));
+                scene.add(distanceLine);
+                
+                const distanceHandle = new THREE.Mesh(
+                    new THREE.SphereGeometry(0.18, 16, 16),
+                    new THREE.MeshStandardMaterial({ color: 0xffa500, emissive: 0xffa500, emissiveIntensity: 0.5 })
+                );
+                distanceHandle.userData.type = 'distance';
+                scene.add(distanceHandle);
+                
+                function updatePositions() {
+                    const distance = BASE_DISTANCE * distanceFactor;
+                    const azRad = THREE.MathUtils.degToRad(azimuthAngle);
+                    const elRad = THREE.MathUtils.degToRad(elevationAngle);
+                    
+                    const camX = distance * Math.sin(azRad) * Math.cos(elRad);
+                    const camY = distance * Math.sin(elRad) + CENTER.y;
+                    const camZ = distance * Math.cos(azRad) * Math.cos(elRad);
+                    
+                    cameraGroup.position.set(camX, camY, camZ);
+                    cameraGroup.lookAt(CENTER);
+                    
+                    azimuthHandle.position.set(AZIMUTH_RADIUS * Math.sin(azRad), 0.05, AZIMUTH_RADIUS * Math.cos(azRad));
+                    elevationHandle.position.set(0, ELEVATION_RADIUS * Math.sin(elRad) + CENTER.y, ELEVATION_RADIUS * Math.cos(elRad));
+                    
+                    const orangeDist = distance + 0.5;
+                    distanceHandle.position.set(
+                        orangeDist * Math.sin(azRad) * Math.cos(elRad),
+                        orangeDist * Math.sin(elRad) + CENTER.y,
+                        orangeDist * Math.cos(azRad) * Math.cos(elRad)
+                    );
+                    distanceLineGeo.setFromPoints([CENTER.clone(), distanceHandle.position.clone()]);
+                    
+                    // Update prompt
+                    const azSnap = snapToNearest(azimuthAngle, azimuthSteps);
+                    const elSnap = snapToNearest(elevationAngle, elevationSteps);
+                    const distSnap = snapToNearest(distanceFactor, distanceSteps);
+                    const distKey = distSnap === 1 ? '1' : distSnap.toFixed(1);
+                    const prompt = '<sks> ' + azimuthNames[azSnap] + ' ' + elevationNames[String(elSnap)] + ' ' + distanceNames[distKey];
+                    promptOverlay.textContent = prompt;
+                }
+                
+                function updatePropsAndTrigger() {
+                    const azSnap = snapToNearest(azimuthAngle, azimuthSteps);
+                    const elSnap = snapToNearest(elevationAngle, elevationSteps);
+                    const distSnap = snapToNearest(distanceFactor, distanceSteps);
+                    
+                    props.value = { azimuth: azSnap, elevation: elSnap, distance: distSnap };
+                    trigger('change', props.value);
+                }
+                
+                // Raycasting
+                const raycaster = new THREE.Raycaster();
+                const mouse = new THREE.Vector2();
+                let isDragging = false;
+                let dragTarget = null;
+                let dragStartMouse = new THREE.Vector2();
+                let dragStartDistance = 1.0;
+                const intersection = new THREE.Vector3();
+                
+                const canvas = renderer.domElement;
+                
+                canvas.addEventListener('mousedown', (e) => {
+                    const rect = canvas.getBoundingClientRect();
+                    mouse.x = ((e.clientX - rect.left) / rect.width) * 2 - 1;
+                    mouse.y = -((e.clientY - rect.top) / rect.height) * 2 + 1;
+                    
+                    raycaster.setFromCamera(mouse, camera);
+                    const intersects = raycaster.intersectObjects([azimuthHandle, elevationHandle, distanceHandle]);
+                    
+                    if (intersects.length > 0) {
+                        isDragging = true;
+                        dragTarget = intersects[0].object;
+                        dragTarget.material.emissiveIntensity = 1.0;
+                        dragTarget.scale.setScalar(1.3);
+                        dragStartMouse.copy(mouse);
+                        dragStartDistance = distanceFactor;
+                        canvas.style.cursor = 'grabbing';
+                    }
+                });
+                
+                canvas.addEventListener('mousemove', (e) => {
+                    const rect = canvas.getBoundingClientRect();
+                    mouse.x = ((e.clientX - rect.left) / rect.width) * 2 - 1;
+                    mouse.y = -((e.clientY - rect.top) / rect.height) * 2 + 1;
+                    
+                    if (isDragging && dragTarget) {
+                        raycaster.setFromCamera(mouse, camera);
+                        
+                        if (dragTarget.userData.type === 'azimuth') {
+                            const plane = new THREE.Plane(new THREE.Vector3(0, 1, 0), -0.05);
+                            if (raycaster.ray.intersectPlane(plane, intersection)) {
+                                azimuthAngle = THREE.MathUtils.radToDeg(Math.atan2(intersection.x, intersection.z));
+                                if (azimuthAngle < 0) azimuthAngle += 360;
+                            }
+                        } else if (dragTarget.userData.type === 'elevation') {
+                            const plane = new THREE.Plane(new THREE.Vector3(1, 0, 0), 0);
+                            if (raycaster.ray.intersectPlane(plane, intersection)) {
+                                const relY = intersection.y - CENTER.y;
+                                const relZ = intersection.z;
+                                elevationAngle = THREE.MathUtils.clamp(THREE.MathUtils.radToDeg(Math.atan2(relY, relZ)), -30, 60);
+                            }
+                        } else if (dragTarget.userData.type === 'distance') {
+                            const deltaY = mouse.y - dragStartMouse.y;
+                            distanceFactor = THREE.MathUtils.clamp(dragStartDistance - deltaY * 1.5, 0.6, 1.8);
+                        }
+                        updatePositions();
+                    } else {
+                        raycaster.setFromCamera(mouse, camera);
+                        const intersects = raycaster.intersectObjects([azimuthHandle, elevationHandle, distanceHandle]);
+                        [azimuthHandle, elevationHandle, distanceHandle].forEach(h => {
+                            h.material.emissiveIntensity = 0.5;
+                            h.scale.setScalar(1);
+                        });
+                        if (intersects.length > 0) {
+                            intersects[0].object.material.emissiveIntensity = 0.8;
+                            intersects[0].object.scale.setScalar(1.1);
+                            canvas.style.cursor = 'grab';
+                        } else {
+                            canvas.style.cursor = 'default';
+                        }
+                    }
+                });
+                
+                const onMouseUp = () => {
+                    if (dragTarget) {
+                        dragTarget.material.emissiveIntensity = 0.5;
+                        dragTarget.scale.setScalar(1);
+                        
+                        // Snap and animate
+                        const targetAz = snapToNearest(azimuthAngle, azimuthSteps);
+                        const targetEl = snapToNearest(elevationAngle, elevationSteps);
+                        const targetDist = snapToNearest(distanceFactor, distanceSteps);
+                        
+                        const startAz = azimuthAngle, startEl = elevationAngle, startDist = distanceFactor;
+                        const startTime = Date.now();
+                        
+                        function animateSnap() {
+                            const t = Math.min((Date.now() - startTime) / 200, 1);
+                            const ease = 1 - Math.pow(1 - t, 3);
+                            
+                            let azDiff = targetAz - startAz;
+                            if (azDiff > 180) azDiff -= 360;
+                            if (azDiff < -180) azDiff += 360;
+                            azimuthAngle = startAz + azDiff * ease;
+                            if (azimuthAngle < 0) azimuthAngle += 360;
+                            if (azimuthAngle >= 360) azimuthAngle -= 360;
+                            
+                            elevationAngle = startEl + (targetEl - startEl) * ease;
+                            distanceFactor = startDist + (targetDist - startDist) * ease;
+                            
+                            updatePositions();
+                            if (t < 1) requestAnimationFrame(animateSnap);
+                            else updatePropsAndTrigger();
+                        }
+                        animateSnap();
+                    }
+                    isDragging = false;
+                    dragTarget = null;
+                    canvas.style.cursor = 'default';
+                };
+                
+                canvas.addEventListener('mouseup', onMouseUp);
+                canvas.addEventListener('mouseleave', onMouseUp);
+                
+                // Initial update
+                updatePositions();
+                
+                // Render loop
+                function render() {
+                    requestAnimationFrame(render);
+                    renderer.render(scene, camera);
+                }
+                render();
+                
+                // Handle resize
+                new ResizeObserver(() => {
+                    camera.aspect = wrapper.clientWidth / wrapper.clientHeight;
+                    camera.updateProjectionMatrix();
+                    renderer.setSize(wrapper.clientWidth, wrapper.clientHeight);
+                }).observe(wrapper);
+                
+                // Store update function for external calls
+                wrapper._updateFromProps = (newVal) => {
+                    if (newVal && typeof newVal === 'object') {
+                        azimuthAngle = newVal.azimuth ?? azimuthAngle;
+                        elevationAngle = newVal.elevation ?? elevationAngle;
+                        distanceFactor = newVal.distance ?? distanceFactor;
+                        updatePositions();
+                    }
+                };
+            };
+            
+            initScene();
+        })();
+        """
+        
+        super().__init__(
+            value=value,
+            html_template=html_template,
+            js_on_load=js_on_load,
+            **kwargs
+        )
+
+
+# --- UI ---
+css = '''
+#col-container { max-width: 1200px; margin: 0 auto; }
+.dark .progress-text { color: white !important; }
+#camera-3d-control { min-height: 450px; }
+.slider-row { display: flex; gap: 10px; align-items: center; }
+'''
+
+with gr.Blocks(css=css, theme=gr.themes.Soft()) as demo:
+    gr.Markdown("""
+    # 🎬 Qwen Image Edit 2511 — 3D Camera Control
+    
+    Control camera angles using the **3D viewport** or **sliders**. 
+    Using [fal's Qwen-Image-Edit-2511-Multiple-Angles-LoRA](https://huggingface.co/fal/Qwen-Image-Edit-2511-Multiple-Angles-LoRA) for precise camera control.
+    """)
+    
+    with gr.Row():
+        # Left column: Input image and controls
+        with gr.Column(scale=1):
+            image = gr.Image(label="Input Image", type="pil", height=300)
+            
+            gr.Markdown("### 🎮 3D Camera Control")
+            gr.Markdown("*Drag the colored handles: 🟢 Azimuth, 🩷 Elevation, 🟠 Distance*")
+            
+            camera_3d = CameraControl3D(
+                value={"azimuth": 0, "elevation": 0, "distance": 1.0},
+                elem_id="camera-3d-control"
+            )
+            
+            gr.Markdown("### 🎚️ Slider Controls")
+            
+            azimuth_slider = gr.Slider(
+                label="Azimuth (Horizontal Rotation)",
+                minimum=0,
+                maximum=315,
+                step=45,
+                value=0,
+                info="0°=front, 90°=right, 180°=back, 270°=left"
+            )
+            
+            elevation_slider = gr.Slider(
+                label="Elevation (Vertical Angle)", 
+                minimum=-30,
+                maximum=60,
+                step=30,
+                value=0,
+                info="-30°=low angle, 0°=eye level, 60°=high angle"
+            )
+            
+            distance_slider = gr.Slider(
+                label="Distance",
+                minimum=0.6,
+                maximum=1.8,
+                step=0.6,
+                value=1.0,
+                info="0.6=close-up, 1.0=medium, 1.8=wide"
+            )
+            
+            prompt_preview = gr.Textbox(
+                label="Generated Prompt",
+                value="<sks> front view eye-level shot medium shot",
+                interactive=False
+            )
+            
+            run_btn = gr.Button("🚀 Generate", variant="primary", size="lg")
+        
+        # Right column: Output
+        with gr.Column(scale=1):
+            result = gr.Image(label="Output Image", height=500)
+            
+            with gr.Accordion("⚙️ Advanced Settings", open=False):
+                seed = gr.Slider(label="Seed", minimum=0, maximum=MAX_SEED, step=1, value=0)
+                randomize_seed = gr.Checkbox(label="Randomize Seed", value=True)
+                guidance_scale = gr.Slider(label="Guidance Scale", minimum=1.0, maximum=10.0, step=0.1, value=1.0)
+                num_inference_steps = gr.Slider(label="Inference Steps", minimum=1, maximum=20, step=1, value=4)
+                height = gr.Slider(label="Height", minimum=256, maximum=2048, step=8, value=1024)
+                width = gr.Slider(label="Width", minimum=256, maximum=2048, step=8, value=1024)
+    
+    # --- Event Handlers ---
+    
+    def update_prompt_from_sliders(azimuth, elevation, distance):
+        """Update prompt preview when sliders change."""
+        prompt = build_camera_prompt(azimuth, elevation, distance)
+        return prompt
+    
+    def sync_3d_to_sliders(camera_value):
+        """Sync 3D control changes to sliders."""
+        if camera_value and isinstance(camera_value, dict):
+            az = camera_value.get('azimuth', 0)
+            el = camera_value.get('elevation', 0)
+            dist = camera_value.get('distance', 1.0)
+            prompt = build_camera_prompt(az, el, dist)
+            return az, el, dist, prompt
+        return gr.update(), gr.update(), gr.update(), gr.update()
+    
+    def sync_sliders_to_3d(azimuth, elevation, distance):
+        """Sync slider changes to 3D control."""
+        return {"azimuth": azimuth, "elevation": elevation, "distance": distance}
+    
+    # Slider -> Prompt preview
+    for slider in [azimuth_slider, elevation_slider, distance_slider]:
+        slider.change(
+            fn=update_prompt_from_sliders,
+            inputs=[azimuth_slider, elevation_slider, distance_slider],
+            outputs=[prompt_preview]
+        )
+    
+    # 3D control -> Sliders + Prompt
+    camera_3d.change(
+        fn=sync_3d_to_sliders,
+        inputs=[camera_3d],
+        outputs=[azimuth_slider, elevation_slider, distance_slider, prompt_preview]
+    )
+    
+    # Sliders -> 3D control
+    for slider in [azimuth_slider, elevation_slider, distance_slider]:
+        slider.release(
+            fn=sync_sliders_to_3d,
+            inputs=[azimuth_slider, elevation_slider, distance_slider],
+            outputs=[camera_3d]
+        )
+    
+    # Generate button
+    run_btn.click(
+        fn=infer_camera_edit,
+        inputs=[image, azimuth_slider, elevation_slider, distance_slider, seed, randomize_seed, guidance_scale, num_inference_steps, height, width],
+        outputs=[result, seed, prompt_preview]
+    )
+    
+    # Image upload -> update dimensions
+    image.upload(
+        fn=update_dimensions_on_upload,
+        inputs=[image],
+        outputs=[width, height]
+    )
+    
+    # Examples
+    gr.Examples(
+        examples=[
+            ["example1.jpg", 90, 0, 1.0],
+            ["example2.jpg", 0, 30, 0.6],
+            ["example3.jpg", 180, -30, 1.8],
+        ],
+        inputs=[image, azimuth_slider, elevation_slider, distance_slider],
+        outputs=[result, seed, prompt_preview],
+        fn=lambda img, az, el, dist: infer_camera_edit(img, az, el, dist),
+        cache_examples=False,
+    )
+
+if __name__ == "__main__":
+    demo.launch()