[Paraview] Filters in paraview

[Vishnubharathi T]

Dear Paraviewer's,

Learning paraview by following paraview-guide(
http://www.paraview.org/paraview-guide/).   I understood how to follow and
implement a filter. But, I didnt understood the following below.  Please
could you help me in this regard. I searched many places in internet but
couldnt find answers for these nor I could find tutorial videos for this.


1. I have been going through filters in paraview.   I counldnt understand
the Data arrays namely *points, cells, field data arrays.*

1.2  What is meant by Dataset in paraview(few examples for data set?)

2.Partial arrays- What is meant by this? couldnt get what that meant.
(practical example for partial array data set)

3. Mapping Data-  How it affects the cell normals time line gap?  any
example for this?

4. Calculator Filter: When can we use it & whats the function of this
filter?
              Below are the terms I saw in properties tab of Calculator
Filter: What if refers  to?
                1.  Scalars & Vectors in Property option
                2. Attribute mode:  Point data,  cell data

[Example for above will be helpful in learning, In pdf I see how to use it,
but what its actual meaning I couldnt understand]

5.Plot over Line Filter:  Requiremnt- we need arrays and attribute type to
use this.  what is meant by *arrays here*. I know arrays as a parameter
holding large values, but can  you give me an example here.

6.Extract subset Filter  & Append Dataset Filter:   for both these, I can
implement by following tutorial pdf. What it actually does I couldnt
understand. Please  help in this.

7.Threshold Filter:  For this we selects scalars and specify range.    Can
you give me some practical example to understand?
 Datatype used: Point data & cell data( example for these data types)

8.What are seed points?  what are Point Cloud & Line source?  These I could
see in Stream Trace Filter(checked the pdf and dist_out_ref.ex2 file) but
couldnt  understand what that disk_out_ref.ex2 file actually is?

PS: share any material/source for the above points.

Previously referred sites:

http://www.paraview.org/paraview-guide/

http://www.paraview.org/Wiki/ParaView
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