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Import lines from 3dm files.

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This commit is contained in:
kovacsv 2023-10-25 21:39:37 +02:00
parent f83d5f02f5
commit 8b3092acda
1 changed files with 75 additions and 22 deletions
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97
source/engine/import/importer3dm.js
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@ -11,6 +11,9 @@ import { ConvertThreeGeometryToMesh } from '../threejs/threeutils.js';
import { ImporterBase } from './importerbase.js';
import { UpdateMaterialTransparency } from './importerutils.js';
import { TextureMap } from '../model/material.js';
import { Mesh } from '../model/mesh.js';
import { Line } from '../model/line.js';
import { ArrayToCoord3D } from '../geometry/coord3d.js';
export class Importer3dm extends ImporterBase
{
@ -130,17 +133,16 @@ export class Importer3dm extends ImporterBase
return;
}
let rhinoMesh = null;
let deleteMesh = false;
if (objectType === this.rhino.ObjectType.Mesh) {
rhinoMesh = rhinoGeometry;
deleteMesh = false;
this.ImportRhinoGeometryAsMesh (rhinoDoc, rhinoGeometry, rhinoObject, rhinoInstanceReferences);
} else if (objectType === this.rhino.ObjectType.Extrusion) {
rhinoMesh = rhinoGeometry.getMesh (this.rhino.MeshType.Any);
deleteMesh = true;
let rhinoMesh = rhinoGeometry.getMesh (this.rhino.MeshType.Any);
if (rhinoMesh !== null) {
this.ImportRhinoGeometryAsMesh (rhinoDoc, rhinoMesh, rhinoObject, rhinoInstanceReferences);
rhinoMesh.delete ();
}
} else if (objectType === this.rhino.ObjectType.Brep) {
rhinoMesh = new this.rhino.Mesh ();
let rhinoMesh = new this.rhino.Mesh ();
let faces = rhinoGeometry.faces ();
for (let i = 0; i < faces.count; i++) {
let face = faces.get (i);
@ -153,11 +155,17 @@ export class Importer3dm extends ImporterBase
}
faces.delete ();
rhinoMesh.compact ();
deleteMesh = true;
this.ImportRhinoGeometryAsMesh (rhinoDoc, rhinoMesh, rhinoObject, rhinoInstanceReferences);
rhinoMesh.delete ();
} else if (objectType === this.rhino.ObjectType.SubD) {
rhinoGeometry.subdivide (3);
rhinoMesh = this.rhino.Mesh.createFromSubDControlNet (rhinoGeometry);
deleteMesh = true;
let rhinoMesh = this.rhino.Mesh.createFromSubDControlNet (rhinoGeometry);
if (rhinoMesh !== null) {
this.ImportRhinoGeometryAsMesh (rhinoDoc, rhinoMesh, rhinoObject, rhinoInstanceReferences);
rhinoMesh.delete ();
}
} else if (objectType === this.rhino.ObjectType.Curve) {
this.ImportRhinoGeometryAsMesh (rhinoDoc, rhinoGeometry, rhinoObject, rhinoInstanceReferences);
} else if (objectType === this.rhino.ObjectType.InstanceReference) {
let parentDefinitionId = rhinoGeometry.parentIdefId;
if (this.instanceIdToDefinition.has (parentDefinitionId)) {
@ -174,22 +182,58 @@ export class Importer3dm extends ImporterBase
}
}
}
if (rhinoMesh !== null) {
this.ImportRhinoMesh (rhinoDoc, rhinoMesh, rhinoObject, rhinoInstanceReferences);
if (deleteMesh) {
rhinoMesh.delete ();
}
}
}
ImportRhinoMesh (rhinoDoc, rhinoMesh, rhinoObject, rhinoInstanceReferences)
ImportRhinoGeometryAsMesh (rhinoDoc, rhinoGeometry, rhinoObject, rhinoInstanceReferences)
{
let rhinoAttributes = rhinoObject.attributes ();
function GetSegmentedCurveLine (curveGeometry)
{
let domainLength = curveGeometry.domain[1] - curveGeometry.domain[0];
let segmentCount = Math.max (parseInt (domainLength / 0.2, 10), 1);
let segmentLength = domainLength / segmentCount;
let vertices = [];
for (let i = 0; i <= segmentCount; i++) {
if (i === segmentCount && curveGeometry.isClosed) {
vertices.push (vertices[0]);
} else {
let position = rhinoGeometry.pointAt (curveGeometry.domain[0] + i * segmentLength);
vertices.push (mesh.AddVertex (ArrayToCoord3D (position)));
}
}
return new Line (vertices);
}
let materialIndex = this.GetMaterialIndex (rhinoDoc, rhinoObject, rhinoInstanceReferences);
let threeJson = rhinoMesh.toThreejsJSON ();
let mesh = ConvertThreeGeometryToMesh (threeJson.data, materialIndex, null);
let mesh = null;
if (rhinoGeometry.objectType === this.rhino.ObjectType.Mesh) {
let threeJson = rhinoGeometry.toThreejsJSON ();
mesh = ConvertThreeGeometryToMesh (threeJson.data, materialIndex, null);
} else if (rhinoGeometry.objectType === this.rhino.ObjectType.Curve) {
mesh = new Mesh ();
if (rhinoGeometry instanceof this.rhino.LineCurve) {
let fromVertex = mesh.AddVertex (ArrayToCoord3D (rhinoGeometry.line.from));
let toVertex = mesh.AddVertex (ArrayToCoord3D (rhinoGeometry.line.to));
let line = new Line ([fromVertex, toVertex]);
line.SetMaterial (materialIndex);
mesh.AddLine (line);
} else if (rhinoGeometry instanceof this.rhino.NurbsCurve) {
let line = GetSegmentedCurveLine (rhinoGeometry);
line.SetMaterial (materialIndex);
mesh.AddLine (line);
} else if (rhinoGeometry instanceof this.rhino.ArcCurve) {
let line = GetSegmentedCurveLine (rhinoGeometry);
line.SetMaterial (materialIndex);
mesh.AddLine (line);
}
}
// TODO: BezierCurve, PolyCurve
if (mesh === null) {
return null;
}
let rhinoAttributes = rhinoObject.attributes ();
mesh.SetName (rhinoAttributes.name);
let userStrings = rhinoAttributes.getUserStrings ();
@ -234,6 +278,15 @@ export class Importer3dm extends ImporterBase
let layerMaterialIndex = layer.renderMaterialIndex;
if (layerMaterialIndex > -1) {
return rhinoDoc.materials ().get (layerMaterialIndex);
} else {
// use layer color only in case of curves
let rhinoGeometry = rhinoObject.geometry ();
if (rhinoGeometry.objectType === rhino.ObjectType.Curve) {
let material = new rhino.Material ();
material.name = layer.name;
material.diffuseColor = layer.color;
return material;
}
}
}
} else if (rhinoAttributes.materialSource === rhino.ObjectMaterialSource.MaterialFromParent) {