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

Tohline: /* (B) Low Resolution Grid with Normals Specified */ Readjust explanation of vtkWarpScalar behavior

2014-04-20T17:21:39Z

(B) Low Resolution Grid with Normals Specified: Readjust explanation of vtkWarpScalar behavior

← Older revision		Revision as of 17:21, 20 April 2014
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	</div>		</div>

			When the above-displayed VisTrails pipeline is executed using this low-resolution input data file, you can also begin to appreciate how the warping that is introduced by the '''vtkWarpScalar''' module responds to user-specified Normals. VisTrail's official, rather cryptic documentation of the '''vtkWarpScalar''' module is provided in the following table.
	When the above-displayed VisTrails pipeline is executed using this low-resolution input data file, you can also begin to appreciate how the warping that is introduced by the '''vtkWarpScalar''' module responds to user-specified Normals. VisTrail's official, rather cryptic documentation of the '''vtkWarpScalar''' module is provided~~, below. But here is what results from the execution when the ''SetScaleFactor'' method inside the '''vtkWarpScalar''' module is set to a nonzero value (we suggest ''SetScaleFactor'' = 0.2):~~
	* If all of the other methods retain their default settings, VisTrails will render a multi-colored plane that exhibits no vertical warping. However, the plane is colored in an asymmetric fashion, showing that the '''vtkWarpScalar''' module "stretched" the Mexican Hat in the ~~plus-''x'' direction~~. ~~This is how the method responds to our user-specified Normals!~~
	* If the ''UseNormalOn'' method inside the '''vtkWarpScalar''' module is activated, and the VisTrails pipeline is re-executed, the rendered image ''is'' a properly warped Mexican hat with symmetric coloring. This is presumably because, in this instance, the '''vtkWarpScalar''' module ignores the user-specified normals and warps the configuration in its default (''z'') direction.

	<div align="center">		<div align="center">
	<table border="0" width="75%">		<table border="1" width="75%">
	<tr>		<tr>
	<th align="center">		<th align="center">
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	</table>		</table>
	</div>		</div>

			To clarify further, here is what results from the execution when the ''SetScaleFactor'' method inside the '''vtkWarpScalar''' module is set to a nonzero value (we suggest setting ''SetScaleFactor'' = 0.2):
			* If all of the other methods retain their default settings, VisTrails will render a multi-colored plane that exhibits no vertical warping. However, the plane is colored in an asymmetric fashion, showing that the '''vtkWarpScalar''' module "stretched" the Mexican Hat in the plus-''x'' direction. This is how the method responds to our user-specified Normals!
			* If the ''UseNormalOn'' method inside the '''vtkWarpScalar''' module is activated, and the VisTrails pipeline is re-executed, the rendered image ''is'' a properly warped Mexican hat with symmetric coloring. This is presumably because, in this instance, the '''vtkWarpScalar''' module ignores the user-specified normals and warps the configuration in its default (''z'') direction.

	=Related Discussions=		=Related Discussions=

Tohline: /* (B) Low Resolution Grid with Normals Specified */ Explain how vtkWarpScalar responds to user-specified Normals

2014-04-19T23:39:55Z

(B) Low Resolution Grid with Normals Specified: Explain how vtkWarpScalar responds to user-specified Normals

← Older revision		Revision as of 23:39, 19 April 2014
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	===(B) Low Resolution Grid with Normals Specified===		===(B) Low Resolution Grid with Normals Specified===

			The input data file provided below can also be used to generate a Mexican Hat, but at a lower grid resolution — it uses 9 x 9 grid cells rather than 49 x 49 grid cells, as in the "Case A" Mexican Hat example. We present this example input file to illustrate how ''Normals'' to the grid cells (Name = "magnify") and "Normals" to the grid points (Name = "direction") can be explicitly specified. (Read the [[User:Tohline/vtk/SimpleCubeTutorial#Assigning_NORMALS_to_POLYGONS\|accompanying discussion]] if you don't understand what it means to define unit vector "Normals.")

			Because the (unwarped) rectilinear grid that is defined by this example is confined to the ''x''-''y'' plane — that is, it has no ''z'' extent — one would assume, by default, that the unit vectors normal to the surface would point in the (plus or minus) ''z''-direction, that is, that the normals would be specified by the vector <math>~(x,y,z) = (0,0,\pm 1)</math>. For purposes of illustration, this example input data file purposely defines a vector normal that is contrary to the default: All of the cells and points are assigned vector normals with <math>~(x,y,z) = (1,0,0)</math>, that is, all of the unit vector normals point in the plus-''x'' direction.

	<div align="left">		<div align="left">
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	</VTKFile>		</VTKFile>
	</pre>		</pre>
			</div>


			When the above-displayed VisTrails pipeline is executed using this low-resolution input data file, you can also begin to appreciate how the warping that is introduced by the '''vtkWarpScalar''' module responds to user-specified Normals. VisTrail's official, rather cryptic documentation of the '''vtkWarpScalar''' module is provided, below. But here is what results from the execution when the ''SetScaleFactor'' method inside the '''vtkWarpScalar''' module is set to a nonzero value (we suggest ''SetScaleFactor'' = 0.2):
			* If all of the other methods retain their default settings, VisTrails will render a multi-colored plane that exhibits no vertical warping. However, the plane is colored in an asymmetric fashion, showing that the '''vtkWarpScalar''' module "stretched" the Mexican Hat in the plus-''x'' direction. This is how the method responds to our user-specified Normals!
			* If the ''UseNormalOn'' method inside the '''vtkWarpScalar''' module is activated, and the VisTrails pipeline is re-executed, the rendered image ''is'' a properly warped Mexican hat with symmetric coloring. This is presumably because, in this instance, the '''vtkWarpScalar''' module ignores the user-specified normals and warps the configuration in its default (''z'') direction.

			<div align="center">
			<table border="0" width="75%">
			<tr>
			<th align="center">
			VisTrails Documentation of the vtkWarpScalar Module
			</th>
			</tr>
			<tr><td align="left">
			<pre>
			vtkWarpScalar - deform geometry with scalar data

			Superclass: vtkPointSetAlgorithm

			vtkWarpScalar is a filter that modifies point coordinates by moving
			points along point normals by the scalar amount times the scale
			factor. Useful for creating carpet or x-y-z plots.

			If normals are not present in data, the Normal instance variable will
			be used as the direction along which to warp the geometry. If normals
			are present but you would like to use the Normal instance variable,
			set the UseNormal boolean to true.

			If XYPlane boolean is set true, then the z-value is considered to be
			a scalar value (still scaled by scale factor), and the displacement
			is along the z-axis. If scalars are also present, these are copied
			through and can be used to color the surface.

			Note that the filter passes both its point data and cell data to its
			output, except for normals, since these are distorted by the warping.
			</pre>
			</td></tr>
			</table>
	</div>		</div>

Tohline: /* XML (RectilinearGrid) Mexican Hat Example */ Insert ascii input file that includes weird normals

2014-04-19T22:32:52Z

XML (RectilinearGrid) Mexican Hat Example: Insert ascii input file that includes weird normals

← Older revision		Revision as of 22:32, 19 April 2014
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	==XML (RectilinearGrid) Mexican Hat Example==		==XML (RectilinearGrid) Mexican Hat Example==

			===(A) Medium Resolution Grid and No Specified Normals===

	<div align="center">		<div align="center">
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	</tr>		</tr>
	</table>		</table>
			</div>


			===(B) Low Resolution Grid with Normals Specified===

			<div align="left">
			<pre>
			<?xml version="1.0"?>
			<VTKFile type="RectilinearGrid" version="0.1" byte_order="LittleEndian">
			<RectilinearGrid WholeExtent=" 0 9 0 9 0 0">
			<Piece Extent=" 0 9 0 9 0 0">
			<CellData Scalars="cell_scalars" Normals="magnify">
			<DataArray type="Float32" Name="cell_scalars" format="ascii">
			1.00000 0.88388 0.79057 0.72887 0.70711 0.72887 0.79057 0.88388 1.00000
			0.88388 0.75000 0.63738 0.55902 0.53033 0.55902 0.63738 0.75000 0.88388
			0.79057 0.63738 0.50000 0.39528 0.35355 0.39528 0.50000 0.63738 0.79057
			0.72887 0.55902 0.39528 0.25000 0.17678 0.25000 0.39528 0.55902 0.72887
			0.70711 0.53033 0.35355 0.17678 0.00000 0.17678 0.35355 0.53033 0.70711
			0.72887 0.55902 0.39528 0.25000 0.17678 0.25000 0.39528 0.55902 0.72887
			0.79057 0.63738 0.50000 0.39528 0.35355 0.39528 0.50000 0.63738 0.79057
			0.88388 0.75000 0.63738 0.55902 0.53033 0.55902 0.63738 0.75000 0.88388
			1.00000 0.88388 0.79057 0.72887 0.70711 0.72887 0.79057 0.88388 1.00000
			</DataArray>
			<DataArray type="Float32" Name="magnify" NumberOfComponents="3" format="ascii">
			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 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 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
			</DataArray>
			</CellData>
			<PointData Scalars="colorful" Normals="direction">
			<DataArray type="Float32" Name="colorful" format="ascii">
			0.00674 0.04358 0.14832 0.29999 0.40890 0.40890 0.29999 0.14832 0.04358 0.00674
			0.04358 0.21369 0.53872 0.82410 0.94014 0.94014 0.82410 0.53872 0.21369 0.04358
			0.14832 0.53872 0.94014 0.96553 0.82075 0.82075 0.96553 0.94014 0.53872 0.14832
			0.29999 0.82410 0.96553 0.57375 0.28209 0.28209 0.57375 0.96553 0.82410 0.29999
			0.40890 0.94014 0.82075 0.28209 0.04857 0.04857 0.28209 0.82075 0.94014 0.40890
			0.40890 0.94014 0.82075 0.28209 0.04857 0.04857 0.28209 0.82075 0.94014 0.40890
			0.29999 0.82410 0.96553 0.57375 0.28209 0.28209 0.57375 0.96553 0.82410 0.29999
			0.14832 0.53872 0.94014 0.96553 0.82075 0.82075 0.96553 0.94014 0.53872 0.14832
			0.04358 0.21369 0.53872 0.82410 0.94014 0.94014 0.82410 0.53872 0.21369 0.04358
			0.00674 0.04358 0.14832 0.29999 0.40890 0.40890 0.29999 0.14832 0.04358 0.00674
			</DataArray>
			<DataArray type="Float32" Name="direction" NumberOfComponents="3" format="ascii">
			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 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 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
			</DataArray>
			</PointData>
			<Coordinates>
			<DataArray type="Float32" format="ascii">
			-0.50000 -0.38889 -0.27778 -0.16667 -0.05556 0.05556 0.16667 0.27778 0.38889 0.50000
			</DataArray>
			<DataArray type="Float32" format="ascii">
			-0.50000 -0.38889 -0.27778 -0.16667 -0.05556 0.05556 0.16667 0.27778 0.38889 0.50000
			</DataArray>
			<DataArray type="Float32" format="ascii">
			0.00000
			</DataArray>
			</Coordinates>
			</Piece>
			</RectilinearGrid>
			</VTKFile>
			</pre>
	</div>		</div>

Tohline: /* Example Input Files & VisTrails Pipelines */ Clean up introductory paragraph

2014-04-19T21:54:19Z

Example Input Files & VisTrails Pipelines: Clean up introductory paragraph

← Older revision		Revision as of 21:54, 19 April 2014
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	{{LSU_HBook_header}}		{{LSU_HBook_header}}

	~~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 (structured) RectilinearGrid file type within 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 '''vtkDataSetMapper''' 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:		Here we present two examples of input data files that we have successfully used to generate useful interactive renderings within VisTrails. The files illustrate the (structured) RectilinearGrid file type within the context of VTK's ''XML File Format.''

			In the first "Warped Quilt" example, which uses 5 x 5 grid cells (6 x 6 grid points), 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 '''vtkDataSetMapper''' 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 '''vtkXMLRectilinearGridReader''' module directly to the '''vtkDataSetMapper''' module; or		* Removing the '''vtkWarpScalar''' module from the VisTrails pipeline and connecting the '''vtkXMLRectilinearGridReader''' module directly to the '''vtkDataSetMapper''' module; or
	* Changing the floating-point value associated with the ''SetScaleFactor'' method inside the '''vtkWarpScalar''' method from 2.0 to 0.0.		* Changing the floating-point value associated with the ''SetScaleFactor'' method inside the '''vtkWarpScalar''' method from 2.0 to 0.0.
			Because the second, "Mexican Hat," example uses 49 x 49 grid cells (50 x 50 grid points), it made more sense to simply provide a pointer to the website where the input data file can be accessed. In accordance, an ''HTTPFile'' module was inserted into the VisTrails pipeline, but otherwise the pipeline is identical to the one used in the "Warped Quilt" example.

	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.		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.

	'''<font color="red">Important Note:</font>''' By trial and error, I have discovered that the numerical values specified for "WholeExtent" and "Extent" inside the ''RectilinearGrid'' and ''Piece'' XML tags, respectively, must be provided in integer format!		'''<font color="red">Important Note:</font>''' By trial and error, I have discovered that the numerical values specified for "WholeExtent" and "Extent" inside the ''RectilinearGrid'' and ''Piece'' XML tags, respectively, must be provided in integer format!
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	<div align="center">		<div align="center">
	<table border="2" align="center">		<table border="2" align="center" cellpadding="8">
	<tr>		<tr>
	<td align="left" colspan="2">		<td align="left" colspan="2">

Tohline: /* XML (RectilinearGrid) Mexican Hat Example */ Add note stating that input file was generated by Fortran90 code

2014-04-19T21:41:11Z

XML (RectilinearGrid) Mexican Hat Example: Add note stating that input file was generated by Fortran90 code

← Older revision		Revision as of 21:41, 19 April 2014
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	[http://www.phys.lsu.edu/~tohline/vistrails/datafiles/mexicanHat.vtr http://www.phys.lsu.edu/~tohline/vistrails/datafiles/mexicanHat.vtr]		[http://www.phys.lsu.edu/~tohline/vistrails/datafiles/mexicanHat.vtr http://www.phys.lsu.edu/~tohline/vistrails/datafiles/mexicanHat.vtr]
	</div>		</div>
			Note that this "mexicanHat.vtr" ascii file was generated via a sequence of "write" statements inside a Fortran90 code. This was done to demonstrate that even Fortran programmers can generate data files that are properly formatted for input into VisTrails.
	</td>		</td>
	</tr>		</tr>
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	</table>		</table>
	</div>		</div>

	=Related Discussions=		=Related Discussions=
	* [[User:Tohline/vtk/SimpleCubeTutorial#Other_Example_Input_Files_and_VisTrails_Pipelines\|Other examples]] of properly formatted input data files		* [[User:Tohline/vtk/SimpleCubeTutorial#Other_Example_Input_Files_and_VisTrails_Pipelines\|Other examples]] of properly formatted input data files

Tohline: Added Mexican Hat example

2014-04-19T21:33:15Z

Added Mexican Hat example

← Older revision		Revision as of 21:33, 19 April 2014
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	</div>		</div>



			==XML (RectilinearGrid) Mexican Hat Example==

			<div align="center">
			<table border="2" align="center">
			<tr>
			<td align="left" colspan="2">
			The relevant XML-formatted "Mexican Hat" input data file can be accessed at the following URL:
			<div align="center">
			[http://www.phys.lsu.edu/~tohline/vistrails/datafiles/mexicanHat.vtr http://www.phys.lsu.edu/~tohline/vistrails/datafiles/mexicanHat.vtr]
			</div>
			</td>
			</tr>
			<tr>
			<td align="center" rowspan="1">
			[[Image:MexicanHat_pipeline.png\|right\|thumb\|400px\|VisTrails Pipeline]]
			</td>
			<td align="center">
			[[Image:MexicanHat.png\|right\|thumb\|250px\|Mexican Hat Image]]
			</td>
			</tr>
			</table>
			</div>
	=Related Discussions=		=Related Discussions=
	* [[User:Tohline/vtk/SimpleCubeTutorial#Other_Example_Input_Files_and_VisTrails_Pipelines\|Other examples]] of properly formatted input data files		* [[User:Tohline/vtk/SimpleCubeTutorial#Other_Example_Input_Files_and_VisTrails_Pipelines\|Other examples]] of properly formatted input data files

Tohline: /* Example Input Files & VisTrails Pipelines */ Insert red-colored "important note"

2014-04-18T22:16:36Z

Example Input Files & VisTrails Pipelines: Insert red-colored "important note"

← Older revision		Revision as of 22:16, 18 April 2014
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	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.		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.

			'''<font color="red">Important Note:</font>''' By trial and error, I have discovered that the numerical values specified for "WholeExtent" and "Extent" inside the ''RectilinearGrid'' and ''Piece'' XML tags, respectively, must be provided in integer format!

	==XML (RectilinearGrid) Warped Quilt Example==		==XML (RectilinearGrid) Warped Quilt Example==

Tohline: Create page to describe this example XML-formatted input file

2014-04-18T19:30:16Z

Create page to describe this example XML-formatted input file

New page

=Example Input Files & VisTrails Pipelines=
{{LSU_HBook_header}}

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 (structured) RectilinearGrid file type within 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 '''vtkDataSetMapper''' 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 '''vtkXMLRectilinearGridReader''' module directly to the '''vtkDataSetMapper''' module; or
* Changing the floating-point value associated with the ''SetScaleFactor'' method inside the '''vtkWarpScalar''' method from 2.0 to 0.0.

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 (RectilinearGrid) Warped Quilt Example==

<div align="left">
<pre>
<?xml version="1.0"?>
<VTKFile type="RectilinearGrid" version="0.1" byte_order="LittleEndian">
<RectilinearGrid WholeExtent="0 5 0 5 0 0">
<Piece Extent="0 5 0 5 0 0">
<CellData Scalars="cell_scalars">
<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>
</CellData>
<PointData Scalars="colorful">
<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>
</PointData>
<Coordinates>
<DataArray type="Float32" format="ascii" RangeMin="0" RangeMax="5">
0.0 1.0 2.0 3.0 4.0 5.0
</DataArray>
<DataArray type="Float32" format="ascii" RangeMin="0" RangeMax="5">
0.0 1.0 2.0 3.0 4.0 5.0
</DataArray>
<DataArray type="Float32" format="ascii">
0.0
</DataArray>
</Coordinates>
</Piece>
</RectilinearGrid>
</VTKFile>
</pre>
</div>

<div align="center">
<table border="2" align="center">
<tr>
<td align="center" rowspan="2">
[[Image:XMLRectilinearGrid_pipeline.png|right|thumb|500px|VisTrails Pipeline]]
</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/SimpleCubeTutorial#Other_Example_Input_Files_and_VisTrails_Pipelines|Other examples]] of properly formatted input data files
* [[User:Tohline/vtk/SimpleCubeTutorial#Simple_Cube_Tutorial|Simple Cube Tutorial]]
** [[User:Tohline/vtk/SimpleCubeTutorial/CubeDetails#Cube_Definition_Details|Specifying Points (Vertices) and Polygons]] of a cube
** [[User:Tohline/vtk/ColorLookupTablea#Color_Lookup_Tables|Defining Color Lookup Tables]]