public double calculateFrameWidthPix() {
if (farEdge == null || farEdge.stdDev > worstEdgeStdDevAllowed) {
if (sprocketEdge == null || sprocketEdge.stdDev > worstEdgeStdDevAllowed) return -1.0;
else {
// The frame center in the image will happen along the sprocket hole line
// right in between the two images. This will also need to change to the appropriate
// place along that line (not right between the two edges. .. actually, to
// make things even simpler for now I will make it exactly between the sprocket
// hole and the far edge.
//
// first determine the scale factor ...
//
double distPix = PolarLineFit.perpendicularDistance(fit, sprocketEdge.c, sprocketEdge.r);
// we need to increase this amount by the percentage
// that the frame occupies when going from sprocket
// center to the far edge
double scaleScale =
FilmSpec.filmAttribute(filmType, FilmSpec.frameWidthIndex)
/ ((FilmSpec.filmAttribute(filmType, FilmSpec.edgeToEdgeIndex)
+ (FilmSpec.filmAttribute(filmType, FilmSpec.widthIndex) / 2.0)));
distPix *= scaleScale;
// distPix is now the calculated frame width in pixels for this frame.
return distPix;
}
} else {
// The frame center in the image will happen along the sprocket hole line
// right in between the two images. This will also need to change to the appropriate
// place along that line (not right between the two edges. .. actually, to
// make things even simpler for now I will make it exactly between the sprocket
// hole and the far edge.
//
// first determine the scale factor ...
//
double distPix = PolarLineFit.perpendicularDistance(fit, farEdge.c, farEdge.r);
// we need to reduce this amount by the percentage
// that the frame occupies when going from sprocket
// center to the far edge
double scaleScale =
FilmSpec.filmAttribute(filmType, FilmSpec.frameWidthIndex) / centerSprocketToFarEdgemm;
// scaleScale is now the ratio of the frame width to the
// distance from the center of the sprocket to the far edge. This
// will be less than 1.0
distPix *= scaleScale;
// distPix is now the calculated frame width in pixels for this frame.
return distPix;
}
}
