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Merge pull request #55 from PaulHax/wasm
ENH: Add package with itk-wasm build
2 parents d962330 + 6af3e34 commit 5aee1ae

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‎.gitignore‎

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node_modules/
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emscripten-build/
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wasi-build/
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package-lock.json
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pnpm-lock.yaml

‎CMakeLists.txt‎

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@@ -5,6 +5,10 @@ if(NOT ITK_SOURCE_DIR)
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find_package(ITK REQUIRED)
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list(APPEND CMAKE_MODULE_PATH ${ITK_CMAKE_DIR})
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include(ITKModuleExternal)
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if(WASI OR EMSCRIPTEN)
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set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR})
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add_subdirectory(wasm)
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endif()
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else()
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set(ITK_DIR ${CMAKE_BINARY_DIR})
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itk_module_impl()

‎package.json‎

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{
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"name": "wasm",
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"version": "1.0.0",
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"description": "npm scripts to generate itk-wasm artifacts.",
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"type": "module",
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"scripts": {
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"build": "npm run emscripten && npm run bindgen",
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"emscripten": "npx itk-wasm -b emscripten-build build",
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"bindgen": "npx itk-wasm -b emscripten-build bindgen --output-dir wasm/typescript --package-name mesh-to-poly-data --package-description \"Convert an ITK Mesh to a simple data structure compatible with vtkPolyData.\" --repository 'https://github.com/InsightSoftwareConsortium/ITKMeshToPolyData'",
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"wasi": "npx itk-wasm -b wasi-build -i itkwasm/wasi build",
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"clean": "git clean -fdx -e node_modules"
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},
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"license": "Apache-2.0",
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"devDependencies": {
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"itk-wasm": "^1.0.0-b.73"
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}
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}

‎wasm/.gitignore‎

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dist
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emscripten-build
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node_modules
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typescript

‎wasm/CMakeLists.txt‎

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cmake_minimum_required(VERSION 3.16)
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project(mesh-to-poly-data)
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set(CMAKE_CXX_STANDARD 17)
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find_package(ITK REQUIRED
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COMPONENTS
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WebAssemblyInterface
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MeshToPolyData
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)
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include(${ITK_USE_FILE})
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add_executable(mesh-to-poly-data mesh-to-poly-data.cxx)
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target_link_libraries(mesh-to-poly-data PUBLIC ${ITK_LIBRARIES})
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add_executable(poly-data-to-mesh poly-data-to-mesh.cxx)
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target_link_libraries(poly-data-to-mesh PUBLIC ${ITK_LIBRARIES})

‎wasm/mesh-to-poly-data.cxx‎

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/*=========================================================================
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*
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* Copyright NumFOCUS
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://www.apache.org/licenses/LICENSE-2.0.txt
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*=========================================================================*/
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#include "itkMesh.h"
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#include "itkPolyData.h"
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#include "itkInputMesh.h"
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#include "itkOutputPolyData.h"
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#include "itkPipeline.h"
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#include "itkSupportInputMeshTypes.h"
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#include "itkWasmMeshIOFactory.h"
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#include "itkMeshToPolyDataFilter.h"
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#include "itkVector.h"
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template<typename TMesh>
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class PipelineFunctor
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{
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public:
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int operator()(itk::wasm::Pipeline & pipeline)
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{
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using MeshType = TMesh;
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using InputMeshType = itk::wasm::InputMesh<MeshType>;
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InputMeshType inputMesh;
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pipeline.add_option("input-mesh", inputMesh, "Input mesh")->required()->type_name("INPUT_MESH");
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using PolyDataType = itk::PolyData<typename MeshType::PixelType>;
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using OutputPolyDataType = itk::wasm::OutputPolyData<PolyDataType>;
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OutputPolyDataType outputPolyData;
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pipeline.add_option("output-polydata", outputPolyData, "Output polydata")->required()->type_name("OUTPUT_POLYDATA");
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ITK_WASM_PARSE(pipeline);
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using MeshToPolyDataFilterType = itk::MeshToPolyDataFilter<MeshType>;
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auto meshToPolyDataFilter = MeshToPolyDataFilterType::New();
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meshToPolyDataFilter->SetInput(inputMesh.Get());
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meshToPolyDataFilter->Update();
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outputPolyData.Set(meshToPolyDataFilter->GetOutput());
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return EXIT_SUCCESS;
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}
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};
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int main (int argc, char * argv[])
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{
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itk::wasm::Pipeline pipeline("mesh-to-poly-data", "Convert an itk::Mesh to an itk::PolyData", argc, argv);
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itk::WasmMeshIOFactory::RegisterOneFactory();
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return itk::wasm::SupportInputMeshTypes<PipelineFunctor,
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uint8_t,
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int8_t,
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float,
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double,
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itk::Vector<uint8_t, 3>,
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itk::Vector<float, 3>
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>
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::Dimensions<2U,3U>("input-mesh", pipeline);
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}

‎wasm/poly-data-to-mesh.cxx‎

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/*=========================================================================
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*
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* Copyright NumFOCUS
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://www.apache.org/licenses/LICENSE-2.0.txt
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*=========================================================================*/
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#include "itkMesh.h"
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#include "itkPolyData.h"
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#include "itkInputPolyData.h"
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#include "itkOutputMesh.h"
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#include "itkPipeline.h"
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#include "itkSupportInputPolyDataTypes.h"
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#include "itkWasmMeshIOFactory.h"
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#include "itkPolyDataToMeshFilter.h"
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template<typename TPolyData>
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class PipelineFunctor
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{
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public:
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int operator()(itk::wasm::Pipeline & pipeline)
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{
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using PolyDataType = TPolyData;
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using InputPolyDataType = itk::wasm::InputPolyData<PolyDataType>;
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InputPolyDataType inputPolyData;
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pipeline.add_option("input-polydata", inputPolyData, "Input polydata")->required()->type_name("INPUT_POLYDATA");
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using MeshType = itk::Mesh<typename PolyDataType::PixelType, 3>;
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using OutputMeshType = itk::wasm::OutputMesh<MeshType>;
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OutputMeshType outputMesh;
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pipeline.add_option("output-mesh", outputMesh, "Output mesh")->required()->type_name("OUTPUT_MESH");
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ITK_WASM_PARSE(pipeline);
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using PolyDataToMeshFilterType = itk::PolyDataToMeshFilter<PolyDataType>;
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auto polyDataToMeshFilter = PolyDataToMeshFilterType::New();
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polyDataToMeshFilter->SetInput(inputPolyData.Get());
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polyDataToMeshFilter->Update();
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outputMesh.Set(polyDataToMeshFilter->GetOutput());
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return EXIT_SUCCESS;
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}
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};
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int main (int argc, char * argv[])
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{
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itk::wasm::Pipeline pipeline("poly-data-to-mesh", "Convert an itk::PolyData to an itk::Mesh", argc, argv);
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itk::WasmMeshIOFactory::RegisterOneFactory();
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return itk::wasm::SupportInputPolyDataTypes<PipelineFunctor>
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::PixelTypes<uint8_t,int8_t,float,double>("input-polydata", pipeline);
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}

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