Tecplot output format in 2D cartesian grid
I am simulating 2D axisymmetric explosion flows in 2D cartesian grid. A circular initial condition was embedded by a smoothed function. To get timevaring results, I implemented that at every 100 time steps, the x,y,rho,u,v are outputted by
WRITE(ifile,'(1x,a,f8.6,a,a,i3,a,i3,a)') 'ZONE T="',tw,'sec"',',I=',nx,',J=',ny,'F=POINT ' DO=1,nx DO=1,ny WRITE(ifile,'(1x,5e25.10)') rho(i,j),y(i,j),rho(i,j),u(i,j),v(i,j) ENDDO ENDDO The output file substituted into tecplot 10 draws coutour plots. However, the contours are not continuous where the staircase distributions are shown. I hope the tecplot draws continuous contour plots with discretized variables. Could anyone help to draw continous 2D contours in Tecplot? 
Re: Tecplot output format in 2D cartesian grid
Hello Jinwon,
you could try to interchange the loops. Hope, this helps. Regards Markus 
Re: Tecplot output format in 2D cartesian grid
Does it mean following?
DO j=1,ny DO i=1,nx .... ENDDO ENDDO 
Re: Tecplot output format in 2D cartesian grid
Hello Jinwon,
sorry, I think I didn't get your problem right. According to the tecplot manual the loop ordering for the F=Point format has to look like this Do J=1,Jmax Do I=1,IMax write(*,*) x(i,j),y(i,j),rho(i,j),u(i,j),v(i,j) enddo enddo Your first variable is rho(i,j)  is this OK ? I don't understand, what you mean with staircase distribution. Tecplot should interpolate linearly between data points in contour plots. A smooth distribution of colors has to be activated separately. Regards, Markus 
Re: Tecplot output format in 2D cartesian grid
I think that contour plots in Tecplots do not interpolate between data points. Do you know how to activate a smooth distribution of colors in contours? I have not heard about that subject. Thanks.

Re: Tecplot output format in 2D cartesian grid
Hello Jinwon
the menu point is Plot  Contour/MultiColoring Details  Coloring and activate there the Continuous button. Regards, Markus 
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