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Merge branch 'RED-9607-fp' into 'main'

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RED-9607 - Correctly determine text position sequence based on file rotation

See merge request fforesight/layout-parser!184
This commit is contained in:
Andrei Isvoran 2024-07-25 14:11:00 +02:00
commit 7633566d9b
1 changed files with 42 additions and 7 deletions
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49
layoutparser-service/layoutparser-service-processor/src/main/java/com/knecon/fforesight/service/layoutparser/processor/utils/TextPositionSequenceComparator.java
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@ -51,13 +51,48 @@ public class TextPositionSequenceComparator implements Comparator<TextPositionSe
double yDifference = Math.abs(pos1YBottom - pos2YBottom);
// we will do a simple tolerance comparison
if (yDifference < .1 || pos2YBottom >= pos1YTop && pos2YBottom <= pos1YBottom || pos1YBottom >= pos2YTop && pos1YBottom <= pos2YBottom) {
return Double.compare(x1, x2);
} else if (pos1YBottom < pos2YBottom) {
return -1;
} else {
return 1;
// Adjust for text rotation
switch (pos1.getRotation()) {
case 0:
// 0 degrees (horizontal, top to bottom and left to right): Sort primarily by y-coordinates from top to bottom (pos1YBottom < pos2YBottom).
if (yDifference < .1 || (pos2YBottom >= pos1YTop && pos2YBottom <= pos1YBottom) || (pos1YBottom >= pos2YTop && pos1YBottom <= pos2YBottom)) {
return Double.compare(x1, x2);
} else if (pos1YBottom < pos2YBottom) {
return -1;
} else {
return 1;
}
case 90:
// 90 degrees (vertical, right to left): Sort by x-coordinates first (x1 > x2), then by y-coordinates from top to bottom (pos1YBottom < pos2YBottom).
if (x1 > x2) {
return -1;
} else if (x1 < x2) {
return 1;
} else {
return Double.compare(pos1YBottom, pos2YBottom);
}
case 180:
// 180 degrees (horizontal, bottom to top and right to left): Sort primarily by y-coordinates from bottom to top (pos1YBottom > pos2YBottom).
if (yDifference < .1 || (pos2YBottom >= pos1YTop && pos2YBottom <= pos1YBottom) || (pos1YBottom >= pos2YTop && pos1YBottom <= pos2YBottom)) {
return Double.compare(x2, x1);
} else if (pos1YBottom > pos2YBottom) {
return -1;
} else {
return 1;
}
case 270:
// 270 degrees (vertical, left to right): Sort by x-coordinates in reverse (x2 > x1), then by y-coordinates from bottom to top (pos2YBottom > pos1YBottom).
if (x2 > x1) {
return -1;
} else if (x2 < x1) {
return 1;
} else {
return Double.compare(pos2YBottom, pos1YBottom);
}
default:
throw new RuntimeException("Rotation not supported. Only 0/90/180/270 degree rotation is supported.");
}
}