Info {BiotSavart 4.0 data file} Current { name {Current} visible 0 color 19660 45874 45874 supplies { { {0} {1} } } } Loop { name {a Loop} color 19660 45874 45874 currentSupply 0 wireDiameter .1 winding 1 nPhi 32 loops { {{1} {0} {1}} } fluxPhiSteps 16 } Planar { name {vector potential} color 65535 0 0 script {r=sqrt (x^2)+y^2 r*Ay*1e7 } grid 40 20 uX 4 uY 0 uZ 0 vX 0 vY 0 vZ 2 plot f plotrange 0 3 contour 0.2 apartWindow 0 drawGrid 0 drawContour 1 drawFrame 0 } Tracer { name {a shuttle} color 11957 65535 9803 positionX 0.53 drawPoints 1 drawFieldLines 1 }