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  2. Point Cloud Surface Deformer .V1
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    Point Cloud Surface Deformer .V1

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    Point Cloud Surface Deformer .V1

    _/ This easy-to-use tool allows beginner to intermediate users to quickly configure point clouds and deform them on a selected surface. It’s beginner-to-intermediate-user friendly. The project remains modular, and I hope it will prove useful to those interested in exploring it. 

    V1 comes with a few new features: particle attractor, auto-centering the point cloud, new camera and particle options, and more.
    I’m also sharing a sample point cloud I scanned myself at Parc des Buttes-Chaumont in Paris, so you can directly test the toe file.

    Special thanks to : 
    . Time Gerritsen (    yfxlab) for the Gaussian Splatting integration
    . Daniel Tapper (@visualcodepoetry) for the Mac adaptation
    .     @er_peccio & @b2bk.fr for the rotate-to-vector and auto center option
    .      @sarv.vj,  for debugging the tool with me


    Feel free to share your feedback to help improve it. Happy experimenting!

     

    The tool is divided into four main sections: Point Cloud, Deformation, Particles and Camera.

    Here is a detailed explanation of the parameters:

    POINT CLOUD TAB
    POINT CLOUD TAB

     

    1. PoinT cloud Tab

    Import

    • Render TOP: Select the TOP used for rendering.

    • Render Resolution: Set the output resolution.

    • Point Cloud (PLY): Path to the .ply file used.

    • Reload: Use this after each new import of the Point Cloud.

    • AutoCenter: Automatically centers the Point Cloud on XYZ axis.

    3D Render

    • 3D: Enables 3D rendering mode (basic instancing).

    • Size_Ptcls: Particle size for 3D rendering.

    GS Render

    • Gaussian Splat: Enables Gaussian Splat rendering mode.
    • Splat Size: Particle size for Gaussian Splat rendering.
    • Alpha Threshold: Visual adjustment for the Gaussian Splat
    • Auto Sort: Automatically sorts the points for proper rendering.

    Grid

    • Enable: Toggles grid display.

    • Wireframe: Displays the grid in wireframe mode (applies if 'Enable' is turned on).

    Transformation

    • Transformations (T/R): Position and rotation of the Point Cloud.

    • Uniform Scale: Apply a uniform scaling factor to the entire Point cloud.

     
    DEFORMATION TAB 
    DEFORMATION TAB 
     

    2. Deformation Tab 

    Parameters for controlling the deformation area.

    • Enable Deformation: Activates the deformation of the Point Cloud.

    • Ball_Visu: Displays the influence sphere.

    • Auto/Manual: Switches between automatic and manual mode.

    • Scale Ball: Adjusts the size of the influence sphere.

    • Soften: Softens the selection.

    • Return Initial: Defines the strength of the pull-back to the original position of the Point Cloud.

    • Speed Auto: Sets the animation speed of the deformation area in automatic mode.

    Noise

    • Intensity: Noise intensity.

    • Period: Size of the noise.

    • UP: Adds an elevation effect to the particles.

    Attractor

    • Attractor Intensity: Controls the pull strength of the attractor effect.

    • Attractor Rot: Set the rotation (X, Y, Z) of the attractor.

    • Att Size Multiplier: Scales the influence area of the attractor.

    Color

    • Choose Color: Selects a color for the deformation area. (Setting the color to black disables the selection highlight.)

    Limit Auto (Bounding Box)

    • Enable_box: Enable or disable bounding box limits.

    • Wireframe: Show the bounding box as a wireframe for visualization.

    • Limit Auto + /- : Set the boundaries (X, Y, Z) of the auto limit box.

    • Manual Translate: Manual position of the selection area.

    •  

    Tab 3
    PARTICLES TAB

    3. PARTICLES TAB 

    Particle Display Settings

    • 2D -> 3D: Toggle between 2D and 3D particle modes.

    • Uniform Size: Set the size for all particles.

    • Non Uniform Size: Set individual scale values for X, Y, and Z axes.

    • Selection Multiplier Size: Adjust the size of selected particles.

    • Rotation Random / Vec: Enable random rotation or vector-based orientation for each particle.

    •  

    CAMERA TAB 

    4. Camera Tab 

    Camera management for the two cameras (viewport cam and auto cam).

    • Actual Cam: Displays the currently active camera.

    • Switch Cam: Switches between the two cameras. 

    • Tracking Ball: Enables the auto cam to follow the deformation ball.

    Auto Cam

    • Rot Slower: Controls the rotation speed of the auto camera.

    • Zoom Slower: Controls the zoom speed of the auto camera.

    • Zoom Range: Sets the minimum and maximum zoom limits of the auto camera.

    • Tilt Down: Adjusts the tilt angle of the auto camera.

    Camera Viewport

    • Reset Cam: Resets the viewport camera to its default position and orientation.

     

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