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Providing values of adjacent voxel with vtkDiscreteMarchingCubes 使用vtkDiscreteMarchingCubes提供相邻体素的值
The VTK Journal Pub Date : 2016-07-21 DOI: 10.54294/2aeqx3
R. Grothausmann
{"title":"Providing values of adjacent voxel with vtkDiscreteMarchingCubes","authors":"R. Grothausmann","doi":"10.54294/2aeqx3","DOIUrl":"https://doi.org/10.54294/2aeqx3","url":null,"abstract":"The contribution to VTK presented in this article is an extension to vtk::vtkDiscreteMarchingCubes to also create vtk::vtkPointData scalars containing the value of the adjacent voxel. These can be used to remove regions of the marching-cubes 1 mesh depending on the local neighborhood. The extension is based on the code of vtkDiscreteMarchingCubes of VTK-6.3.0 and is available on GitLab https://gitlab.kitware.com/vtk/vtk/merge_requests/889 (and GitHub https://github.com/Kitware/VTK/pull/18).","PeriodicalId":251524,"journal":{"name":"The VTK Journal","volume":"743 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-07-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132024029","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Extracting Intersections of Coplanar Surfaces (Boolean-operation on touching meshes) 共面曲面交点提取(接触网格布尔运算)
The VTK Journal Pub Date : 2014-12-14 DOI: 10.54294/ojq4ds
R. Grothausmann
{"title":"Extracting Intersections of Coplanar Surfaces (Boolean-operation on touching meshes)","authors":"R. Grothausmann","doi":"10.54294/ojq4ds","DOIUrl":"https://doi.org/10.54294/ojq4ds","url":null,"abstract":"The contribution to VTK presented in this article is specialized on the extraction of contact surfaces (CS). This extraction can be regarded as the intersection Boolean-operation of only touching meshes. The vtkCoplanarSurfaceExtractor filter produces either polygonal or triangulated CSs by reconstructing the contact faces of co-planar triangles. Specified tolerances account for discrepancies in coplanarity of faces which might occur due to rounding effects. This article is accompanied with the source code, input data, parameters and output data that were used for validating the VTK-filter.","PeriodicalId":251524,"journal":{"name":"The VTK Journal","volume":"685 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132033711","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
VTK Remote Rendering of 3D Laser Scanner Ply files for Android Mobile Devices VTK远程渲染3D激光扫描仪Ply文件为Android移动设备
The VTK Journal Pub Date : 2014-05-05 DOI: 10.54294/o9nv4l
Fabio De pascalis
{"title":"VTK Remote Rendering of 3D Laser Scanner Ply files for Android Mobile Devices","authors":"Fabio De pascalis","doi":"10.54294/o9nv4l","DOIUrl":"https://doi.org/10.54294/o9nv4l","url":null,"abstract":"Three-dimensional laser scanner is a modern technology used to detect and capture the shape of complex objects. There are a lot of possible application fields for this technology: applications in the industrial sector (reverse engineering), in the medical field or in the cultural heritage field for virtual reconstruction of works of art. The main goal of this work is to make accessible the three-dimensional models obtained from laser scans on mobile devices (smartphones, tablets), exploiting a remote rendering application on high-performance workstations. This paper also shows how this can be done fairly easily using one of the most popular instruments in the field of scientific visualization, VTK.","PeriodicalId":251524,"journal":{"name":"The VTK Journal","volume":"55 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-05-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114572088","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Geodesic Computations on Surfaces 曲面上的测地线计算
The VTK Journal Pub Date : 2013-06-26 DOI: 10.54294/4rsdcy
K. Krishnan
{"title":"Geodesic Computations on Surfaces","authors":"K. Krishnan","doi":"10.54294/4rsdcy","DOIUrl":"https://doi.org/10.54294/4rsdcy","url":null,"abstract":"The computation of geodesic distances on a triangle mesh has many applications in geometry processing. The fast marching method provides an approximation of the true geodesic distance field. We provide VTK classes to compute geodesics on triangulated surface meshes. This includes classes for computing the geodesic distance field from a set of seeds and to compute the geodesic curve between source and destination point(s) by back-tracking along the gradient of the distance field. The fast marching toolkit (Peyre et. al.) is internally used. A variety of options are exposed to guide front propagation including the ability to specify propagation weights, constrain to a region, specify exclusion regions, and distance based termination criteria. Interpolators that plug into a contour widget, are provided to enable interactive tracing of paths on meshes.","PeriodicalId":251524,"journal":{"name":"The VTK Journal","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-06-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133749404","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Adding Refined Isosurface Rendering and Shadow Mapping to vtkGPUVolumeRayCastMapper 添加精细等面渲染和阴影映射到vtkGPUVolumeRayCastMapper
The VTK Journal Pub Date : 2012-10-05 DOI: 10.54294/wbf2sx
Imanol Herrera, Carlos Buchart, D. Borro, S. Jaume, P. R. Alface, B. Macq
{"title":"Adding Refined Isosurface Rendering and Shadow Mapping to vtkGPUVolumeRayCastMapper","authors":"Imanol Herrera, Carlos Buchart, D. Borro, S. Jaume, P. R. Alface, B. Macq","doi":"10.54294/wbf2sx","DOIUrl":"https://doi.org/10.54294/wbf2sx","url":null,"abstract":"In the medical simulation world the use of isosurfaces is a common action, as the information from some sources, e.g. CTs, is very well defined, and the isosurface can be easily set. Additionally, in any simulator shadows are a necessary addition to increase the users immersion as well as its depth perception. Unfortunately, the Visualization Toolkit does not offer these features, and so in this paper a modified vtkGPUVolumeRayCastMapper is presented. This modified version allows volumetric isosurface rendering as well as receiving shadows from polygons using the usual pipeline.","PeriodicalId":251524,"journal":{"name":"The VTK Journal","volume":"98 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-10-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121191780","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
GPU Volume Ray Casting of two Volumes within VTK GPU体积光线投射的两个卷在VTK
The VTK Journal Pub Date : 2012-04-16 DOI: 10.54294/krucab
K. Krissian
{"title":"GPU Volume Ray Casting of two Volumes within VTK","authors":"K. Krissian","doi":"10.54294/krucab","DOIUrl":"https://doi.org/10.54294/krucab","url":null,"abstract":"We have modified the current VTK volume rendering on GPU to allow simultaneous rendering of two volumes, each of them with its own color and opacity transfer functions. These changes have led to the creation of two new C++ classes and several GLSL shaders. We explain the modifications made to the original classes and shaders and we discuss possible additional improvements. A C++ demo code shows how to use the new classes.","PeriodicalId":251524,"journal":{"name":"The VTK Journal","volume":"73 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-04-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127126123","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
2D/3D Multi-Modality Image Registration in Non-Destructive Evaluation 无损评价中的二维/三维多模态图像配准
The VTK Journal Pub Date : 2011-11-14 DOI: 10.54294/9hdzwo
Zhen Jia
{"title":"2D/3D Multi-Modality Image Registration in Non-Destructive Evaluation","authors":"Zhen Jia","doi":"10.54294/9hdzwo","DOIUrl":"https://doi.org/10.54294/9hdzwo","url":null,"abstract":"Non-destructive evaluation(NDE) is a group of analysis techniques used in industry to evaluate the property of a material, component or product without causing damage. Among all the techniques, radiology and thermography are two most common methods that are used to inspect the property of the interior of product and combining the knowledge contained in images of two modalites requires the space alignment. In this article, a 2D/3D multi-modality image registration scheme is presented to find the alignment between thermal infrared(IR) image and CT image of a engine blade.","PeriodicalId":251524,"journal":{"name":"The VTK Journal","volume":"92 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-11-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116659295","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Hough Transform Plane Detector 霍夫变换平面检测器
The VTK Journal Pub Date : 2011-10-14 DOI: 10.54294/ufagvn
D. Borrmann, D. Doria
{"title":"Hough Transform Plane Detector","authors":"D. Borrmann, D. Doria","doi":"10.54294/ufagvn","DOIUrl":"https://doi.org/10.54294/ufagvn","url":null,"abstract":"This document presents a VTK wrapper of an extracted portion of ‘3DTK - The 3D Toolkit’ (http://threedtk.de) to enable a developer to find planes in 3D point cloud data.","PeriodicalId":251524,"journal":{"name":"The VTK Journal","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-10-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128311519","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A VTK Algorithm for the Computation of the Hausdorff Distance 计算Hausdorff距离的VTK算法
The VTK Journal Pub Date : 2011-09-22 DOI: 10.54294/ys4vxd
F. Commandeur, J. Velut, O. Acosta
{"title":"A VTK Algorithm for the Computation of the Hausdorff Distance","authors":"F. Commandeur, J. Velut, O. Acosta","doi":"10.54294/ys4vxd","DOIUrl":"https://doi.org/10.54294/ys4vxd","url":null,"abstract":"The Hausdorff distance is a measure of the distance between sets of points. There are many advantages to using this metric compared to other similarity measures. This document describes a VTK class for computing the Hausdorff Distance between two sets of points. The main contribution, compared to other implementations, lies in the definition of the distance not only to the closest point but to the closest point in the represented surface, which yields an accurate measure even between undersampled surfaces. This is achieved by implementing a point-to-cell distance instead of a point-to-point. Furthermore, a plugin for ParaView was implemented, which is also available with the code. After introducing the interest of this distance, the VTK code is explained and illustrated with some examples.","PeriodicalId":251524,"journal":{"name":"The VTK Journal","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-09-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125121951","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 29
A Spline-Driven Image Slicer 样条驱动的图像切片器
The VTK Journal Pub Date : 2011-09-19 DOI: 10.54294/tih9wh
J. Velut
{"title":"A Spline-Driven Image Slicer","authors":"J. Velut","doi":"10.54294/tih9wh","DOIUrl":"https://doi.org/10.54294/tih9wh","url":null,"abstract":"In this article, a spline driven image slicer algorithm is presented. It is concretized through a vtkAlgorithm-inherited class that takes two inputs and gives two outputs. The first input is the volume from which the slice should reconstructed while the second one is the spline which tangent vector is used as slicing plane normal. The first output is a 2D image resliced from the volume. The second output gives the geometric information of the slice plane location in the volume space. An example of use is given through a simulation of a dental panoramic view from a MDCT volume.","PeriodicalId":251524,"journal":{"name":"The VTK Journal","volume":"69 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-09-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125076356","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
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