VtkUtils.h

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// ----------------------------------------------------------------------------
// -                        CloudViewer: www.cloudViewer.org                  -
// ----------------------------------------------------------------------------
// Copyright (c) 2018-2024 www.cloudViewer.org
// SPDX-License-Identifier: MIT
// ----------------------------------------------------------------------------
 
// ----------------------------------------------------------------------------
// Include guard to avoid multiple inclusion and default argument redefinitions
#pragma once
// ----------------------------------------------------------------------------
// -                        CloudViewer: www.cloudViewer.org                  -
// ----------------------------------------------------------------------------
// Copyright (c) 2018-2024 www.cloudViewer.org
// SPDX-License-Identifier: MIT
// ----------------------------------------------------------------------------
 
#include <vtkImageData.h>
#include <vtkPolyData.h>
#include <vtkSmartPointer.h>
 
#include <string>
#include <unordered_set>
 
#include "cloudViewer/t/geometry/Geometry.h"
#include "cloudViewer/t/geometry/LineSet.h"
#include "cloudViewer/t/geometry/PointCloud.h"
#include "cloudViewer/t/geometry/TriangleMesh.h"
 
namespace cloudViewer {
namespace t {
namespace geometry {
namespace vtkutils {
int DtypeToVtkType(const core::Dtype& dtype);
 
vtkSmartPointer<vtkImageData> CreateVtkImageDataFromTensor(core::Tensor& tensor,
                                                           bool copy = false);
 
vtkSmartPointer<vtkPolyData> CreateVtkPolyDataFromGeometry(
        const Geometry& geometry,
        const std::unordered_set<std::string>& point_attr_include,
        const std::unordered_set<std::string>& face_attr_include,
        const std::unordered_set<std::string>& point_attr_exclude = {},
        const std::unordered_set<std::string>& face_attr_exclude = {},
        bool copy = false);
 
TriangleMesh CreateTriangleMeshFromVtkPolyData(vtkPolyData* polydata,
                                               bool copy = false);
 
LineSet CreateLineSetFromVtkPolyData(vtkPolyData* polydata, bool copy = false);
 
TriangleMesh ExtrudeRotationTriangleMesh(const Geometry& geometry,
                                         double angle,
                                         const core::Tensor& axis,
                                         int resolution = 16,
                                         double translation = 0.0,
                                         bool capping = true);
 
LineSet ExtrudeRotationLineSet(const PointCloud& pointcloud,
                               double angle,
                               const core::Tensor& axis,
                               int resolution = 16,
                               double translation = 0.0,
                               bool capping = true);
 
TriangleMesh ExtrudeLinearTriangleMesh(const Geometry& geometry,
                                       const core::Tensor& vector,
                                       double scale,
                                       bool capping);
 
LineSet ExtrudeLinearLineSet(const PointCloud& pointcloud,
                             const core::Tensor& vector,
                             double scale,
                             bool capping);
 
TriangleMesh ComputeNormals(const TriangleMesh& mesh,
                            bool vertex_normals,
                            bool face_normals,
                            bool consistency,
                            bool auto_orient_normals,
                            bool splitting,
                            double feature_angle_deg = 30);
}  // namespace vtkutils
}  // namespace geometry
}  // namespace t
}  // namespace cloudViewer