The X Toolkit (XTK) is a WebGL framework for Scientific Visualization.
XTK is a WebGL framework providing an easy-to-use API to visualize scientific data on the web. No background or knowledge in Computer Graphics is required.
Questions tagged [xtk]
158 questions
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Loading NRRD file in Javascript using XTK
My question is if it is possible to load a NRRD file in JavaScript using XTK library. When I tried to use X.loader() I get an error that it does not exist. I would like to just load a file not render it. I have read that there could be a specialized…
LoneWolf
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- 2
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votes
1 answer
How to clip a 3D image in XTK
We have a 3D image composed of a nii volume and several obj meshes. We want to
clip it to expose partial image.
The viewpoint option at http://www.usc.edu/programs/face/3Dmodel/C57BL6-E185.html
is the target. Is it possible to do in XTK?
mei
- 67
- 9
0
votes
2 answers
Does xtk.js supports IE-8,9,10?
I have started learning xtk.js. I am playing with sample available on
https://github.com/xtk/X .When i run those sample in firefox, chrome it works fine but when i run same samples in IE-8,9,10 it doesn't show anything?
Does anybody knows why it is…
user3282538
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- 3
0
votes
1 answer
How to change a pixel value in XTK
I would like to know how to change a pixel value for the label map.
This is my initial approach. Unfortunately, the changes are not reflected in the canvas.
X.volume.prototype.SetPixelLabelMap = function(i, j, k, value){
…
Juan
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- 1
- 8
- 15
0
votes
1 answer
Accesing javascript array gives unexpeted results
I'm trying to display 3D images (volumes) using Javascript and XTK. I can view the volumes fine, but I am having problems trying to access the volume dimensions.
//Create a new volume
volume = new X.volume();
//Add data. Works fine, and I can see…
nrhorner
- 328
- 6
- 16
0
votes
1 answer
How to propagate file load error?
I'm attempting to program a browser-based medical image viewer and am using the XTK library to do the heavy lifting. When a file does not load properly (for any number of reasons) I want to let the user know with a pop-up message (eg saying 'File…
David Basalla
- 2,996
- 3
- 18
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votes
1 answer
Othographic Projection in XTK
So I am using XTK to develop a app that will allow users to view multiple 3D meshes in one renderer. The problem is that it uses a perspective camera instead of a orthographic, which causes panning to 'rotate' the meshes a bit. Has anyone been…
Estus
- 1
0
votes
2 answers
Can I use a local file with X.mesh?
I'm adapting Lesson 5 from here, which takes a skull vtk object and displays it rotating in a circle. I want to change it so instead of accessing the .vtk object at http://x.babymri.org/?skull.vtk, it reads from a local file. Is this possible? I…
user3175137
- 97
- 1
- 9
0
votes
2 answers
XTK - rendering volume in multiple renderers without .onShowtime()?
I'm wondering if someone can explain to me why I can't render the same volume in a 4 panel setup (3D, X, Y, Z) just like in XTK Tutorial 13, without the .onShowtime function. I tried altering the code to do this, rather than call the .onShowtimes…
David Basalla
- 2,996
- 3
- 18
- 22
0
votes
1 answer
How to automatic alignment Fibers, Volume and Mesh use XTK
I think it is a simple question, but it really confuse me...
In the case which I try to show three object together, like Fibers, Volume and Mesh, just as you can see in this demo web.
Demo Web: http://goo.gl/NP2eUo
But there is a problem, the Fibers…
AndyWhite
- 83
- 1
- 7
0
votes
1 answer
Difference between two volume files
I want to render volume(X.volume()) and cube(X.cube()) on one scene. For testing I use your volume files from lessons.
Case 1:
var r = new X.renderer3D();
r.init();
var volume = new X.volume();
volume.center = [0, 0, 0];
volume.file =…
stasovlas
- 7,136
- 2
- 28
- 29
0
votes
1 answer
VTK 3D model displayed in web browser via XTK - how to test and analyze
I'm going to load a 3d model of a knee (saved as .vtk file, created in VTK ) into web browser by XTK library.
I have to prepare small assesment of this and analyze the results...
I'm wondering which factors I should take into consideration - loading…
user2979961
- 43
- 1
- 5
0
votes
1 answer
xtoolkit - volume.range is undefined
volume.range is undefined
here is a part from the code :
var sliceXController = volumegui.add(volume, 'indexX', 0,
volume.range[0] - 1);
var sliceYController = volumegui.add(volume, 'indexY', 0,
volume.range[1] - 1);
var…
Saidar
- 17
- 1
- 1
- 9
0
votes
1 answer
ReferenceError: goog is not defined
I am new on XTK with its things.
I am following the X:DevelopersHeadsUp to try to run the demo html.
1) I clone the repository and run ./deps.py . Now the xtk-deps.js generated .
2) I invoke the html as given in the guide.
XTK…</div>
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<h3><a href="../../questions/22890097/how-to-open-trk-file-in-xtk-from-an-html-link" class="question-hyperlink">How to open .trk file in xtk from an HTML link</a></h3>
<div class="excerpt">Does anybody have an example of how to display a .trk file in xtk by sending the filename through HTML link to a javascript function containing xtk code? So basically
have some HTML href elements that call javascript containing xtk code sending…</div>
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