Thank you for the answer. Best regards. jay On Thu, Apr 2, 2015 at 12:05 AM, Moreland, Kenneth <[email protected]> wrote:
> If I understand your question correctly, you are basically trying to > take arrays computed from two different time steps and then add them > together. This is (intentionally made) difficult in ParaView because > ParaView makes sure that the time from the data is consistent across all > data sets. Things would get pretty confusing otherwise. > > That said, you should be able to hack what you want using the "Temporal > Shift Scale" filter, which can mangle the time of a data set to be > different than the global time. The following procedure should work. > > 1. Starting with your data loaded into ParaView. Let's say the data is > coming from a pipeline object named OriginalData. > 2. Set ParaView to be at animation time 2. > 3. Add the calculator filter and create your result1 array. > 4. Add the Temporal Shift Scale filter directly to OriginalData (not the > calculator filter). Shift the time by 2. > 5. Add a calculator filter to the Temporal Shift Scale filter and create > the result2 array. > 6. Use the Append Attributes filter with the two calculator filters as > input. > 7. You can then take the sum of result1 and result2 with the data from > Append Attributes. > > -Ken > > From: Jay Romero <[email protected]> > Date: Tuesday, March 31, 2015 at 10:01 PM > To: ParaView Mailing List <[email protected]> > Subject: [EXTERNAL] [Paraview] Sum two data array in paraview > > Hello > > I want to use calculator or Python shell to sum two data arrays in > paraview. > In the calculator: > At time dt =2, I create an array: result1 = pressure* 2. > For next animation time, dt = 4: > I create an array: result2 = pressure*4 > What I find that the result1 array has changed at time step =4. > How I can retain original result1 array when I change the animation time > to dt=4. > > This way I want to take sum of result1 and result2 at two different time > steps. > > How we can achieve it in paraview? > > Best regards > Jay Reno >
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