[Paraview] one 3d model transparent color + one 3d model normal color for vrml

Tue Jun 12 07:55:29 EDT 2012

What you try to do is the most complex solution, in the case you
really need a single mesh node inside your VRML file.
If you don't need that, then the actions are load the files, set
colors, export and done.

Seb

Action 1: In the menu: File > Open + In the "Properties" tab click on "Apply
Action 2: To change the color, go in the "Display" tab and click on
"Color by" = "Solid Color", the "Set Solid Color..." => The color
apply to the object that is selected in the pipeline browser.
Action 3: In the menu: File > Export + choose the VRML format and you
should be done...

On Mon, Jun 11, 2012 at 6:31 PM, Chris <chris.schweighofer at gmx.net> wrote:
> Thx, I think it would be great in the way you described it. But I am still a
> beginner in Paraview and therefore it sounds a bit complicated for me.
>
> I added the color filter, selected color by scalars and pressed the button
> edit color map. There I tried to adjust range, scalars, lookup tables (color
> space) and the opacity.
> Anyway the scalar does not change and still stays the same. I tried it now
> 50 times.
>
> I would be really happy, if you could tell me what I did wrong?
>
> Chris
>
>
>
>
>
> What I try to say, is if you load all the files in ParaView and export
> the scene as VRML you will have a single VRML file the way you want.
> So I'm not sure why this solution doesn't fit your needs.
>
> Seb
>
> On Mon, Jun 11, 2012 at 1:51 PM, Christoph Schweigi
> <chris.schweighofer at gmx.net> wrote:
>
> Thx, I want to fuse two structures of radiologic datasets. Both are from
> brain vessels. The embeded model is the fluidic pattern (solid color) and
> the other outer model is the morphology (transparent with less opacity) one.
>
>
> Thx,
>
> Chris
>
> Ps: I am currently texting from my phone but if u want I can give u
> afterwards a link with the datasets?
>
>
>
>
> Am 11.06.2012 um 19:37 schrieb Sebastien Jourdain
> <sebastien.jourdain at kitware.com>:
>
>
> That's the tricker part, because your scalar + the lookup table will
>
> determine the color.
>
> That's also the reason why I asked you why you just export your scene
>
> in VRML with the correct settings color+opacity of all you objects ?
>
>
> Do you need them to be defined as a single mesh inside the VRML ?
>
>
> Seb
>
>
> On Mon, Jun 11, 2012 at 1:29 PM, Christoph Schweigi
>
> <chris.schweighofer at gmx.net> wrote:
>
> Hello Sebastien,
>
>
> Thx for the answer, but how could I add a color to each model if I merge it?
> Furthermore how could I make one model transparent and one a solid color?
>
>
> Thx, Chris
>
>
> Von meinem iPhone gesendet
>
>
> Am 11.06.2012 um 19:21 schrieb Sebastien Jourdain
> <sebastien.jourdain at kitware.com>:
>
>
> It seems that on of your dataset is a multi block. So before appending
>
> it you should merge those block in order to make a single dataset.
>
> Then you should be able to append it.
>
>
> On Mon, Jun 11, 2012 at 10:50 AM, Chris <chris.schweighofer at gmx.net> wrote:
>
>
>
>
>
> Hello Sebastien,
>
>
> thx for your answer. I tried to do so and tried to save it in a vrml.
>
> However I have troubles if I import the geometric structure from vtk with
>
> two colors or if I want to create a geometric structure with two colors.
>
>
> The colors stay always the same and if I want to do a appended geometry I
>
> only get an error message:
>
>
> ERROR: In
>
> /Users/partyd/Kitware/ParaView-3.8/src/VTK/Filtering/vtkDemandDrivenPipeline.cxx,
>
> line 827
>
> vtkCompositeDataPipeline (0x30cacf10): Input for connection index 1 on input
>
> port index 0 for algorithm vtkAppendPolyData(0x3022e260) is of type
>
> vtkMultiBlockDataSet, but a vtkPolyData is required.
>
>
>
> Please can you explain me why that happens?
>
>
> Thx,
>
> Chris
>
>
>
>
> Am 11.06.2012 um 05:42 schrieb Sebastien Jourdain:
>
>
> Hi Chris,
>
>
> If the point is to have the VRML to contains both, by loading the 2
>
> objects in the scene, exporting the scene will do the trick.
>
>
> If not that will be trickier but still doable. You will need to
>
> generate a given scalar across the 2 datasets and merge the geometry.
>
> Then use your custom scalar to apply the right color and opacity
>
> across the whole geometry.
>
>
> Seb
>
>
> On Sun, Jun 10, 2012 at 1:17 PM, Chris <chris.schweighofer at gmx.net> wrote:
>
>
> Hello people,
>
>
>
> I would like to know if it is possible to fuse two 3d models, one with a
>
> solid and one with a transparent color. This dataset should be afterwards
>
> saved within a vrml file for a rapid prototype printer.
>
>
>
> Is this possible?
>
>
> How?
>
>
>
> Thx,
>
>
> Chris
>
>
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