public void integrateStackStart(IntegrateExp integrator) {
curBgInside.clear();
curBgOutside.clear();
// curBgInt = 0;
// curBgVol = 0;
// Zero out arrays
sliceExp = new double[numSubDiv];
sliceVol = new int[numSubDiv];
}
/**
* Fills all keys contained in the receiver into the specified list. Fills the list, starting at
* index 0. After this call returns the specified list has a new size that equals
* <tt>this.size()</tt>. Iteration order is guaranteed to be <i>identical</i> to the order used by
* method {@link #forEachKey(IntProcedure)}.
*
* <p>This method can be used to iterate over the keys of the receiver.
*
* @param list the list to be filled, can have any size.
*/
public void keys(IntArrayList list) {
list.setSize(distinct);
int[] elements = list.elements();
int[] tab = table;
byte[] stat = state;
int j = 0;
for (int i = tab.length; i-- > 0; ) {
if (stat[i] == FULL) elements[j++] = tab[i];
}
}
/**
* Fills all pairs satisfying a given condition into the specified lists. Fills into the lists,
* starting at index 0. After this call returns the specified lists both have a new size, the
* number of pairs satisfying the condition. Iteration order is guaranteed to be <i>identical</i>
* to the order used by method {@link #forEachKey(IntProcedure)}.
*
* <p><b>Example:</b> <br>
*
* <pre>
* IntDoubleProcedure condition = new IntDoubleProcedure() { // match even keys only
* public boolean apply(int key, double value) { return key%2==0; }
* }
* keys = (8,7,6), values = (1,2,2) --> keyList = (6,8), valueList = (2,1)</tt>
* </pre>
*
* @param condition the condition to be matched. Takes the current key as first and the current
* value as second argument.
* @param keyList the list to be filled with keys, can have any size.
* @param valueList the list to be filled with values, can have any size.
*/
public void pairsMatching(
final IntDoubleProcedure condition,
final IntArrayList keyList,
final DoubleArrayList valueList) {
keyList.clear();
valueList.clear();
for (int i = table.length; i-- > 0; ) {
if (state[i] == FULL && condition.apply(table[i], values[i])) {
keyList.add(table[i]);
valueList.add(values[i]);
}
}
}
/** Stable median calculation. */
public double calcStableMedian(double lowerFrac, double upperFrac, IntArrayList list) {
// This works for any size!
list.trimToSize();
Arrays.sort(list.elements());
int sum = 0;
int cnt = 0;
for (int i = (int) (lowerFrac * list.size()); i < (int) (list.size() * upperFrac); i++) {
sum += list.get(i);
cnt++;
}
return (double) sum / cnt;
// below is the original. it Relies on bucket-sorting. It should be perfectly possible to write
// a linear-time stable median
// based on the normal linear-time median algorithm. This is needed to handle non-8bit images.
// Value might be off a bit but not much (need to think of indexing), and it doesn't matter for
// this application
/*
int numbins=66000;
int[] elem=list.elements();
int numElem=list.size();
//Calculate histogram
int[] histogram=new int[numbins];
//int[] elem=curBgOutside.elements();
//int numElem=curBgOutside.size();
for(int i=0;i<numElem;i++)
histogram[elem[i]]++;
int jumpElem=0;
int lowerIndex=(int)(numElem*lowerFrac);
int upperIndex=(int)(numElem*upperFrac);
int sum=0;
int cnt=0;
for(int i=0;i<numbins;i++)
{
int thisNum=histogram[i];
int take=Math.min(upperIndex,jumpElem+thisNum)-Math.max(lowerIndex, jumpElem);
if(take>0)
{
sum+=take*i;
cnt+=take;
}
jumpElem+=thisNum;
}
return (double)sum/cnt;
*/
}
public void integrateImage(IntegrateExp integrator) {
integrator.ensureImageLoaded();
// Calculate distance mask lazily. Assumes shell does not move over time.
double[] lenMapArr;
if (distanceMap.containsKey(integrator.curZint)) {
EvPixels lenMap = distanceMap.get(integrator.curZint);
lenMapArr = lenMap.getArrayDouble();
} else {
EvPixels lenMap =
new EvPixels(
EvPixelsType.DOUBLE, integrator.pixels.getWidth(), integrator.pixels.getHeight());
lenMapArr = lenMap.getArrayDouble();
ImVector3d dirvec = getDirVec();
ImVector3d midpos3 = getMidPos();
ImVector2d shellPos2 = new ImVector2d(shell.midx, shell.midy);
double invShellMajor2 = 1.0 / (shell.major * shell.major);
double invShellMinor2 = 1.0 / (shell.minor * shell.minor);
// double curZ=integrator.curZ.doubleValue();
// Calculate distances
for (int ay = 0; ay < integrator.pixels.getHeight(); ay++) {
int lineIndex = lenMap.getRowIndex(ay);
for (int ax = 0; ax < integrator.pixels.getWidth(); ax++) {
// double worldAX=integrator.stack.transformImageWorldX(ax);
// double worldAY=integrator.stack.transformImageWorldY(ay);
Vector3d pos2prim =
integrator.stack.transformImageWorld(new Vector3d(ax, ay, integrator.curZint));
final ImVector2d pos2 =
new ImVector2d(pos2prim.x, pos2prim.y); // new ImVector2(worldAX,worldAY);
// final ImVector2 pos2 = new ImVector2(worldAX,worldAY);
final ImVector3d pos3 = new ImVector3d(pos2prim.x, pos2prim.y, pos2prim.z);
// final ImVector3d pos3 = new ImVector3d(pos2.x,pos2.y,curZ);
// Check if this is within ellipse boundary
final ImVector2d elip = pos2.sub(shellPos2).rotate(shell.angle); // TODO angle? what?
double len;
if (1 >= elip.y * elip.y * invShellMinor2 + elip.x * elip.x * invShellMajor2) {
// xy . dirvecx = cos(alpha) ||xy|| ||dirvecx||
len = pos3.sub(midpos3).dot(dirvec) + 0.5;
// goes from -0.5 to 0.5 before addition if using proper ellipse. projection makes it
// wrong!!!
} else len = -1;
lenMapArr[lineIndex + ax] = len;
}
}
}
// Integrate area, separate into slices and background
// TODO: have we really really checked that this is done properly?
for (int y = 0; y < integrator.pixels.getHeight(); y++) {
int lineIndex = integrator.pixels.getRowIndex(y);
for (int x = 0; x < integrator.pixels.getWidth(); x++) {
int i = lineIndex + x;
double len = lenMapArr[i];
int sliceNum = (int) (len * numSubDiv); // may need to bound in addition
int thisPixelValue = integrator.pixelsLine[i];
if (sliceNum >= 0 && sliceNum < sliceExp.length) {
sliceExp[sliceNum] += thisPixelValue;
sliceVol[sliceNum]++;
curBgInside.add(thisPixelValue);
} else if (len
== -1) // so things close the embryo will not be considered - likely too bright
{
// Measure background. It's all the pixels outside the embryo
curBgOutside.add(thisPixelValue);
// curBgInt += thisPixelValue;
// curBgVol++;
}
}
}
}