value field to vector field

hi,

I am currenly playing around with vector fields a have a basic quesiton.

Is it posible starting from a raster of numeric values like

force values of fea analysis

or curvature values

etc...

to create a vector field visualising the forceflow rather than distribution

(like curvature maps)

hope the question makes sense

greets

Permalink Reply by Mateusz Zwierzycki on February 29, 2012 at 7:14pm

Permalink Reply by christoph hermann on March 1, 2012 at 3:12am

thank for help Mateusz

The picture above shows a surface where i am extracting the z values on a 10*10 gird

and then going finer res to draw lines ... I result i am searhcin for would be lines flowing

from higher to lower values in this case almost like raindrops running down the surface .

I tried using Flowl streamline but it didnt work because all the value are positives so they

are all negleting each other ...

I am not so familiar with the spm semms like a lot of options is there one whith which

it could generate a field from values ..

thx ,best

chris

Permalink Reply by Mateusz Zwierzycki on March 1, 2012 at 9:15pm

not sure what you want exactly to achieve, but try to change charges values to negative or positive..

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