Create Circle By 3 Tangents API Sample

Description

Creates three lines and then draws a circle that is tangent to the lines. It then creates tangent constraints to maintain that relationship.

Code Samples

import adsk.core, adsk.fusion, traceback

def run(context):
    ui = None
    try: 
        app = adsk.core.Application.get()
        ui = app.userInterface

        doc = app.documents.add(adsk.core.DocumentTypes.FusionDesignDocumentType)
        design = app.activeProduct

        # Get the root component of the active design.
        rootComp = design.rootComponent

        # Create a new sketch on the xy plane.
        sketches = rootComp.sketches;
        xyPlane = rootComp.xYConstructionPlane
        sketch = sketches.add(xyPlane)

        # Draw three lines.
        lines = sketch.sketchCurves.sketchLines;
        line1 = lines.addByTwoPoints(adsk.core.Point3D.create(0, 0, 0), adsk.core.Point3D.create(3, 1, 0))
        line2 = lines.addByTwoPoints(adsk.core.Point3D.create(4, 3, 0), adsk.core.Point3D.create(2, 4, 0))
        line3 = lines.addByTwoPoints(adsk.core.Point3D.create(-1, 0, 0), adsk.core.Point3D.create(0, 4, 0))

        # Draw circle tangent to the lines.
        circles = sketch.sketchCurves.sketchCircles
        circle1 = circles.addByThreeTangents(line1, line2, line3, adsk.core.Point3D.create(0,0,0))

        # Apply tangent contstraints to maintain the relationship.
        constraints = sketch.geometricConstraints
        constraints.addTangent(circle1, line1)
        constraints.addTangent(circle1, line2)
        constraints.addTangent(circle1, line3)
    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;

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

    Ptr<Documents> documents = app->documents();
    if (!documents)
        return false;

    Ptr<Document> doc = documents->add(DocumentTypes::FusionDesignDocumentType);
    if (!doc)
        return false;

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

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

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

    // Create a new sketch on the xy plane.
    Ptr<Sketches> sketches = rootComp->sketches();
    if (!sketches)
        return false;
    Ptr<ConstructionPlane> xyPlane = rootComp->xYConstructionPlane();
    if (!xyPlane)
        return false;
    Ptr<Sketch> sketch = sketches->add(xyPlane);
    if (!sketch)
        return false;

    // Draw three lines.
    Ptr<SketchCurves> sketchCurves = sketch->sketchCurves();
    if (!sketchCurves)
        return false;
    Ptr<SketchLines> sketchLines = sketchCurves->sketchLines();
    if (!sketchLines)
        return false;
    Ptr<SketchLine> line1 = sketchLines->addByTwoPoints(Point3D::create(0, 0, 0), Point3D::create(3, 1, 0));
    if (!line1)
        return false;
    Ptr<SketchLine> line2 = sketchLines->addByTwoPoints(Point3D::create(4, 3, 0), Point3D::create(2, 4, 0));
    if (!line2)
        return false;
    Ptr<SketchLine> line3 = sketchLines->addByTwoPoints(Point3D::create(-1, 0, 0), Point3D::create(0, 4, 0));
    if (!line3)
        return false;

    // Draw circle tangent to the lines.
    Ptr<SketchCircles> sketchCircles = sketchCurves->sketchCircles();
    if (!sketchCircles)
        return false;

    Ptr<SketchCircle> circle = sketchCircles->addByThreeTangents(line1, line2, line3, Point3D::create(0, 0, 0));
    if (!circle)
        return false;

    // Apply tangent contstraints to maintain the relationship.
    Ptr<GeometricConstraints> constraints = sketch->geometricConstraints();
    if (!constraints)
        return false;

    Ptr<TangentConstraint> constraint1 = constraints->addTangent(circle, line1);
    if (!constraint1)
        return false;

    Ptr<TangentConstraint> constraint2 = constraints->addTangent(circle, line2);
    if (!constraint2)
        return false;

    Ptr<TangentConstraint> constraint3 = constraints->addTangent(circle, line3);
    if (!constraint3)
        return false;


    return true;
}
/**
 * Create Circle By 3 Tangents API Sample
 * Creates three lines and then draws a circle that is tangent to the lines. It then creates tangent constraints to maintain that relationship.
 */

import { adsk } from '@adsk/fusion';

// Params
// {
//     "useCurrentDocument": false,
//     "saveAsNewDocument": false,
//     "message": "",
//     "hubId": "wip1fqaautodesk4298",
//     "fileURN": "urn:adsk.wipqa:dm.lineage:WlSCDh7RQN6zD2btrrO4SA"
// }

function run() {

// Read the parameters passed with the script
  const scriptParameters = JSON.parse(adsk.parameters);
  if (!scriptParameters) throw Error("Invalid parameters provided.");

  // Get the Fusion API's application object
  const app = adsk.core.Application.get();
  if (!app) throw Error("No adsk.core.Application.");

  // Create a new empty document
  const doc = getDocument(
    app,
    scriptParameters.useCurrentDocument,
    scriptParameters.hubId,
    scriptParameters.fileURN,
  );
  if (!doc) throw Error("Invalid document.");

 // Ensure we are in the Design environment.
  const design = app.activeProduct as adsk.fusion.Design;

  //Get the root component of the active design.
  const rootComp = design.rootComponent

  // Create a new sketch on the xy plane.
  const sketches = rootComp.sketches
  const xyPlane = rootComp.xYConstructionPlane
  const sketch = sketches.add(xyPlane)

  // Draw three lines.
  const lines = sketch.sketchCurves.sketchLines;
  const line1 = lines.addByTwoPoints(adsk.core.Point3D.create(0, 0, 0), adsk.core.Point3D.create(3, 1, 0))
  const line2 = lines.addByTwoPoints(adsk.core.Point3D.create(4, 3, 0), adsk.core.Point3D.create(2, 4, 0))
  const line3 = lines.addByTwoPoints(adsk.core.Point3D.create(-1, 0, 0), adsk.core.Point3D.create(0, 4, 0))

  // Draw circle tangent to the lines.
  const circles = sketch.sketchCurves.sketchCircles
  const circle1 = circles.addByThreeTangents(line1, line2, line3, adsk.core.Point3D.create(0,0,0))

  // Apply tangent contstraints to maintain the relationship.
  const constraints = sketch.geometricConstraints
  constraints.addTangent(circle1, line1)
  constraints.addTangent(circle1, line2)
  constraints.addTangent(circle1, line3)

  saveDocument(
      doc,
      scriptParameters.saveAsNewDocument,
      scriptParameters.message,
      doc.dataFile.parentFolder,
    );

    while (app.hasActiveJobs) {
    wait(2000);
  }
}
function wait(ms: number) {
  const start = new Date().getTime();
  while (new Date().getTime() - start < ms) adsk.doEvents();
}

function getDocument(
  app: adsk.core.Application,
  useCurrentDocument: boolean,
  hubId: string,
  fileURN: string,
): adsk.core.Document {
  if (useCurrentDocument === true) {
    adsk.log(`Using currently open document: ${app.activeDocument.name}.`);
    return app.activeDocument;
  }

  if (hubId) {
    // Possible hubId formats: base64 encoded string, or business:<id>,
    // or personal:<id> (deprecated)
    const hub =
      app.data.dataHubs.itemById(hubId) ||
      app.data.dataHubs.itemById(`a.${adsk.btoa(`business:${hubId}`, true)}`) ||
      app.data.dataHubs.itemById(`a.${adsk.btoa(`personal:${hubId}`, true)}`);
    if (!hub) throw Error(`Hub with id ${hubId} not found.`);
    adsk.log(`Setting hub: ${hub.name}.`);
    app.data.activeHub = hub;
  }

  const file = app.data.findFileById(fileURN);
  if (!file) throw Error(`File not found ${fileURN}.`);
  adsk.log(`Opening ${file.name}`);
  const document = app.documents.open(file, true);
  if (!document) throw Error(`Cannot open file ${file.name}.`);
  return document;
}

function saveDocument(
  doc: adsk.core.Document,
  saveAsNewDocument: boolean,
  message: string,
  destinationFolder: adsk.core.DataFolder,
): boolean {
  if (saveAsNewDocument) {
    adsk.log("Saving as new document.");
    try {
      destinationFolder.parentProject;
    } catch (e) {
      adsk.log(
        "Destination folder is not in a project, setting folder to Fusion Automation Service project.",
      );
      destinationFolder = defaultFolder(
        doc.parent,
        "Fusion Automation Service",
      );
    }
    if (
      doc.saveAs(doc.name + " Additive Ready", destinationFolder, message, "")
    ) {
      adsk.log("Document saved successfully.");
      return true;
    } else {
      adsk.log("Document failed to save.");
      return false;
    }
  }

  if (!doc.isModified) {
    adsk.log("Document not modified, not saving.");
    return true;
  }

  adsk.log(`Saving with message: "${message}".`);
  if (doc.save(message)) {
    adsk.log("Document saved successfully.");
    return true;
  } else {
    adsk.log("Document failed to save.");
    return false;
  }
}

function defaultFolder(app: adsk.core.Application, defaultProjectName: string) {
  const projects = app.data.activeHub.dataProjects;
  if (!projects) throw Error("Unable to get active hub's projects.");
  for (let i = 0; i < projects.count; ++i) {
    const project = projects.item(i)!;
    if (project.name === defaultProjectName) {
      return project.rootFolder;
    }
  }
  adsk.log(`Creating new project: ${defaultProjectName}`);
  const project = projects.add(defaultProjectName);
  if (!project) throw Error("Unable to create new project.");
  return project.rootFolder;
}

run();