Material API Sample

Description

Demonstrates using materials and appearance using the API.

To use the sample, create a new Python or C++ script and copy and paste this code, replacing the default code. The sample also used an external appearance library which you can get here. Copy that to any location on your computer and edit the path in the script. When running the script, have a design open that contains a body in the root component.

Code Samples 

import adsk.core, adsk.fusion, traceback
def run(context):
    ui = None
    try:
        app = adsk.core.Application.get()
        ui = app.userInterface
        
        # Load a local material library. You'll need to edit the path to the libary.
        materialLibs = app.materialLibraries
        matLib = materialLibs.load('C:/Temp//APISampleMaterialLibrary2.adsklib')

        # Get the first appearance from the library.
        appear = matLib.appearances.item(0)

        # Copy the appearance into the design.
        des = adsk.fusion.Design.cast(app.activeProduct)             
        appear = des.appearances.addByCopy(appear, f'{appear.name}_Copied')
        
        # Apply the appearance to the first body in the design.
        root = des.rootComponent
        body = root.bRepBodies.item(0)
        body.appearance = appear
        
        # Unload the library.
        if matLib.isNative == False:
            matLib.unload()       
    except:
        if ui:
            ui.messageBox('Failed:\n{}'.format(traceback.format_exc()))
#include <Core/CoreAll.h>
#include <Fusion/FusionAll.h>


using namespace adsk::core;
using namespace adsk::fusion;

Ptr<Application> app;
Ptr<UserInterface> ui;

extern "C" XI_EXPORT bool run(const char* context)
{
    app = Application::get();
    if (!app)
        return false;

    Ptr<Product> product = app->activeProduct();
    if (!product)
        return false;

    Ptr<Design> design = product;
    if (!design)
        return false;

    // Load a local material library. You'll need to edit the path to the  library.
    Ptr<MaterialLibraries> matLibs = app->materialLibraries();
    if (!matLibs)
        return false;

     Ptr<MaterialLibrary> matLib = matLibs->load("C:/Temp/APISampleMaterialLibrary2.adsklib");

    // Get the first appearance from the library.
    Ptr<Appearance> existingAppear = matLib->appearances()->item(0);
    if (!existingAppear)
        return false;

    // Copy the appearance into the design.
    Ptr<Appearance> appear = design->appearances()->addByCopy(existingAppear, existingAppear->name() + "_Copied");

    // Get the first body in the root component of the design.
    Ptr<Component> rootComp = design->rootComponent();
    if (!rootComp)
        return false;

    Ptr<BRepBody> body = rootComp->bRepBodies()->item(0);
    if (!body)
        return false;

    // Apply the appearance to the body.
    body->appearance(appear);

    if (matLib->isNative() == false)
    {
        matLib->unload();
    }

    return true;
}

#ifdef XI_WIN

#include <windows.h>

BOOL APIENTRY DllMain(HMODULE hmodule, DWORD reason, LPVOID reserved)
{
    switch (reason)
    {
    case DLL_PROCESS_ATTACH:
    case DLL_THREAD_ATTACH:
    case DLL_THREAD_DETACH:
    case DLL_PROCESS_DETACH:
        break;
    }
    return TRUE;
}

#endif // XI_WIN