User:Tohline/vtk/Examples/XMLwarpedQuilt - Revision history

Tohline: /* Example Input Files & VisTrails Pipelines */ Fix a few mistakes in introduction

2014-04-18T19:08:39Z

Example Input Files & VisTrails Pipelines: Fix a few mistakes in introduction

← Older revision		Revision as of 19:08, 18 April 2014
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	This is an example of an input data file that we have successfully used to generate a useful interactive rendering within VisTrails. The file illustrates the POLYDATA dataset format in the context of VTK's ''XML File Format.'' To aid in implementation, we present the full ascii dataset, two resulting rendered images, and a screen shot of the VisTrails pipeline that was used to generate the image. Note that the image captioned "Point Data" was generated, by default, while the image captioned "Cell Data" was generated after activating the ''SetScalarModeToUseCellData'' method within the '''vtkPolyDataMapper''' module. Note, further, that the vertical "warping" of the configuration can be excluded — with the result being the rendering of a flat plane — by either:		This is an example of an input data file that we have successfully used to generate a useful interactive rendering within VisTrails. The file illustrates the POLYDATA dataset format in the context of VTK's ''XML File Format.'' To aid in implementation, we present the full ascii dataset, two resulting rendered images, and a screen shot of the VisTrails pipeline that was used to generate the image. Note that the image captioned "Point Data" was generated, by default, while the image captioned "Cell Data" was generated after activating the ''SetScalarModeToUseCellData'' method within the '''vtkPolyDataMapper''' module. Note, further, that the vertical "warping" of the configuration can be excluded — with the result being the rendering of a flat plane — by either:
	* Removing the '''vtkWarpScalar''' module from the VisTrails pipeline and connecting the '''vtkXMLPolyDataReader''' module directly to the '''vtkPolyDataMapper''' module; or		* Removing the '''vtkWarpScalar''' module from the VisTrails pipeline and connecting the '''vtkXMLPolyDataReader''' module directly to the '''vtkPolyDataMapper''' module; or
	* Changing the floating-point value associated with the ''SetScaleFactor'' method inside the '''vtkWarpScalar''' method from 2.5 to 0.0.		* Changing the floating-point value associated with the ''SetScaleFactor'' method inside the '''vtkWarpScalar''' method from 2.0 to 0.0.

	The lessons that we learned as we initially constructed this "Warped Quilt" example are detailed in the [[User:Tohline/vtk/SimpleCubeTutorial#WarpScala\|"WarpScalar" subsection of our accompanying tutorial]]. A list of other example input data files [[User:Tohline/vtk/SimpleCubeTutorial#Other_Example_Input_Files_and_VisTrails_Pipelines\|is provided near the end ~~of our accompanying ''Simple Cube Tutorial''~~]].		The lessons that we learned as we initially constructed this "Warped Quilt" example are detailed in the [[User:Tohline/vtk/SimpleCubeTutorial#WarpScala\|"WarpScalar" subsection of our accompanying tutorial]]. A list of other example input data files [[User:Tohline/vtk/SimpleCubeTutorial#Other_Example_Input_Files_and_VisTrails_Pipelines\|is provided near the end]] of the same tutorial.

	==XML (PolyData) Warped Quilt Example==		==XML (PolyData) Warped Quilt Example==
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	</table>		</table>
	</div>		</div>


	=Related Discussions=		=Related Discussions=

Tohline: Insert introductory paragraph

2014-04-18T19:05:02Z

Insert introductory paragraph

← Older revision		Revision as of 19:05, 18 April 2014
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	=Example Input Files & VisTrails Pipelines=		=Example Input Files & VisTrails Pipelines=
	{{LSU_HBook_header}}		{{LSU_HBook_header}}
	==XML (PolyData) Warped ~~Quit~~ Example==
			This is an example of an input data file that we have successfully used to generate a useful interactive rendering within VisTrails. The file illustrates the POLYDATA dataset format in the context of VTK's ''XML File Format.'' To aid in implementation, we present the full ascii dataset, two resulting rendered images, and a screen shot of the VisTrails pipeline that was used to generate the image. Note that the image captioned "Point Data" was generated, by default, while the image captioned "Cell Data" was generated after activating the ''SetScalarModeToUseCellData'' method within the '''vtkPolyDataMapper''' module. Note, further, that the vertical "warping" of the configuration can be excluded — with the result being the rendering of a flat plane — by either:
			* Removing the '''vtkWarpScalar''' module from the VisTrails pipeline and connecting the '''vtkXMLPolyDataReader''' module directly to the '''vtkPolyDataMapper''' module; or
			* Changing the floating-point value associated with the ''SetScaleFactor'' method inside the '''vtkWarpScalar''' method from 2.5 to 0.0.

			The lessons that we learned as we initially constructed this "Warped Quilt" example are detailed in the [[User:Tohline/vtk/SimpleCubeTutorial#WarpScala\|"WarpScalar" subsection of our accompanying tutorial]]. A list of other example input data files [[User:Tohline/vtk/SimpleCubeTutorial#Other_Example_Input_Files_and_VisTrails_Pipelines\|is provided near the end of our accompanying ''Simple Cube Tutorial'']].

			==XML (PolyData) Warped Quilt Example==

	<div align="left">		<div align="left">
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	=Related Discussions=		=Related Discussions=
	* [[User:Tohline/vtk/~~Understanding~~#~~Understanding_vtk_Tools_Inside_VisTrails~~\|~~Understanding~~ vtk ~~Tools Inside VisTrails~~]]		* [[User:Tohline/vtk/SimpleCubeTutorial#Other_Example_Input_Files_and_VisTrails_Pipelines\|Other examples]] of properly formatted input data files
	* [[User:Tohline/vtk/SimpleCubeTutorial/CubeDetails#Cube_Definition_Details\|~~Cube Definition Details~~]]		* [[User:Tohline/vtk/SimpleCubeTutorial#Simple_Cube_Tutorial\|Simple Cube Tutorial]]
	* [[User:Tohline/vtk/ColorLookupTablea#Color_Lookup_Tables\|Color Lookup Tables]]		** [[User:Tohline/vtk/SimpleCubeTutorial/CubeDetails#Cube_Definition_Details\|Specifying Points (Vertices) and Polygons]] of a cube
	* [http://www.bu.edu/tech/files/2010/10/VTK-Fall-2010.ppt Robert Putnam's (Boston University) powerpoint tutorial] -- includes a ''Structured_Points'' example, written in Simple Legacy Format		** [[User:Tohline/vtk/ColorLookupTablea#Color_Lookup_Tables\|Defining Color Lookup Tables]]

Tohline: Insert information on XML PolyData-formatted Warped Quilt example

2014-04-18T15:33:45Z

Insert information on XML PolyData-formatted Warped Quilt example

New page

=Example Input Files & VisTrails Pipelines=
{{LSU_HBook_header}}
==XML (PolyData) Warped Quit Example==

<div align="left">
<pre>
<?xml version="1.0"?>
<VTKFile type="PolyData" version="0.1" byte_order="LittleEndian">
<PolyData>
<Piece NumberOfPoints="36" NumberOfPolys="25">
<CellData Scalars="cell_scalars" Normals="cell_normals">
<DataArray type="Float32" Name="cell_scalars" format="ascii">
0.2 0.2 0.2 0.2 0.2
0.2 0.4 0.6 0.4 0.2
0.2 0.6 0.8 0.6 0.2
0.2 0.4 0.6 0.4 0.2
0.2 0.2 0.2 0.2 0.2
</DataArray>
<DataArray type="Float32" Name="cell_normals" NumberOfComponents="3" format="ascii">
0 0 1 0 0 1 0 0 1 0 0 1 0 0 1
0 0 1 0 0 1 0 0 1 0 0 1 0 0 1
0 0 1 0 0 1 0 0 1 0 0 1 0 0 1
0 0 1 0 0 1 0 0 1 0 0 1 0 0 1
0 0 1 0 0 1 0 0 1 0 0 1 0 0 1
</DataArray>
</CellData>
<PointData Scalars="colorful" Normals="magnify">
<DataArray type="Float32" Name="colorful" format="ascii">
0.2 0.2 0.2 0.2 0.2 0.2
0.2 0.4 0.6 0.6 0.4 0.2
0.2 0.6 0.8 0.8 0.6 0.2
0.2 0.6 0.8 0.8 0.6 0.2
0.2 0.4 0.6 0.6 0.4 0.2
0.2 0.2 0.2 0.2 0.2 0.2
</DataArray>
<DataArray type="Float32" Name="magnify" NumberOfComponents="3" format="ascii">
0 0 1 0 0 1 0 0 1 0 0 1 0 0 1 0 0 1
0 0 1 0 0 1 0 0 1 0 0 1 0 0 1 0 0 1
0 0 1 0 0 1 0 0 1 0 0 1 0 0 1 0 0 1
0 0 1 0 0 1 0 0 1 0 0 1 0 0 1 0 0 1
0 0 1 0 0 1 0 0 1 0 0 1 0 0 1 0 0 1
0 0 1 0 0 1 0 0 1 0 0 1 0 0 1 0 0 1
</DataArray>
</PointData>
<Points>
<DataArray type="Float32" NumberOfComponents="3" format="ascii">
0 0 0 1 0 0 2 0 0 3 0 0 4 0 0 5 0 0
0 1 0 1 1 0 2 1 0 3 1 0 4 1 0 5 1 0
0 2 0 1 2 0 2 2 0 3 2 0 4 2 0 5 2 0
0 3 0 1 3 0 2 3 0 3 3 0 4 3 0 5 3 0
0 4 0 1 4 0 2 4 0 3 4 0 4 4 0 5 4 0
0 5 0 1 5 0 2 5 0 3 5 0 4 5 0 5 5 0
</DataArray>
</Points>
<Polys>
<DataArray type="Int32" Name="connectivity" format="ascii">
0 1 7 6 1 2 8 7 2 3 9 8 3 4 10 9 4 5 11 10
6 7 13 12 7 8 14 13 8 9 15 14 9 10 16 15 10 11 17 16
12 13 19 18 13 14 20 19 14 15 21 20 15 16 22 21 16 17 23 22
18 19 25 24 19 20 26 25 20 21 27 26 21 22 28 27 22 23 29 28
24 25 31 30 25 26 32 31 26 27 33 32 27 28 34 33 28 29 35 34
</DataArray>
<DataArray type="Int32" Name="offsets" format="ascii">
4 8 12 16 20 24 28 32 36 40
44 48 52 56 60 64 68 72 76 80
84 88 92 96 100
</DataArray>
</Polys>
</Piece>
</PolyData>
</VTKFile>
</pre>
</div>

<div align="center">
<table border="2" align="center">
<tr>
<td align="center" rowspan="2">
[[Image:WarpScalarPipeline.png|right|thumb|500px|Pipeline03]]
</td>
<td align="center">
[[Image:WarpScalarImage.png|right|thumb|200px|Warp (Point Data) Image]]
</td>
</tr>
<tr>
<td align="center">
[[Image:WarpScalarCellDataImage.png|right|thumb|200px|Warp (Cell Data) Image]]
</td>
</tr>
</table>
</div>

=Related Discussions=
* [[User:Tohline/vtk/Understanding#Understanding_vtk_Tools_Inside_VisTrails|Understanding vtk Tools Inside VisTrails]]
* [[User:Tohline/vtk/SimpleCubeTutorial/CubeDetails#Cube_Definition_Details|Cube Definition Details]]
* [[User:Tohline/vtk/ColorLookupTablea#Color_Lookup_Tables|Color Lookup Tables]]
* [http://www.bu.edu/tech/files/2010/10/VTK-Fall-2010.ppt Robert Putnam's (Boston University) powerpoint tutorial] -- includes a ''Structured_Points'' example, written in Simple Legacy Format