jgrewe/fixtracks
1
0
Fork 0
Code Issues 4 Pull Requests Actions Packages Projects Releases Wiki Activity

[detectionview] works on TrackingData now

Browse Source
This commit is contained in:
Jan Grewe 2025-02-21 16:22:46 +01:00
parent 2ff1af7c36
commit 0f1b1d6252
1 changed files with 32 additions and 18 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

46
fixtracks/widgets/detectionview.py
View File

@ -3,12 +3,12 @@ import numpy as np
from PySide6.QtWidgets import QWidget, QVBoxLayout, QSizePolicy, QGraphicsView, QGraphicsScene, QGraphicsEllipseItem, QGraphicsRectItem from PySide6.QtWidgets import QWidget, QVBoxLayout, QSizePolicy, QGraphicsView, QGraphicsScene, QGraphicsEllipseItem, QGraphicsRectItem
from PySide6.QtCore import Qt, QPointF, QRectF, QPointF from PySide6.QtCore import Qt, QPointF, QRectF, QPointF
from PySide6.QtGui import QPixmap, QBrush, QColor, QImage from PySide6.QtGui import QPixmap, QBrush, QColor, QImage, QPen
from fixtracks.info import PACKAGE_ROOT from fixtracks.info import PACKAGE_ROOT
from fixtracks.utils.signals import DetectionSignals, DetectionViewSignals, DetectionSceneSignals from fixtracks.utils.signals import DetectionSignals, DetectionViewSignals, DetectionSceneSignals
from ..utils.enums import DetectionData from fixtracks.utils.enums import DetectionData, Tracks
from fixtracks.utils.trackingdata import TrackingData
class Detection(QGraphicsEllipseItem): class Detection(QGraphicsEllipseItem):
signals = DetectionSignals() signals = DetectionSignals()
@ -79,6 +79,7 @@ class DetectionView(QWidget):
def __init__(self, parent=None): def __init__(self, parent=None):
super().__init__(parent) super().__init__(parent)
self._img = None self._img = None
self._data = None
self._pixmapitem = None self._pixmapitem = None
self._scene = DetectionScene() self._scene = DetectionScene()
# self.setRenderHint(QGraphicsView.RenderFlag.Ren Antialiasing) # self.setRenderHint(QGraphicsView.RenderFlag.Ren Antialiasing)
@ -90,7 +91,6 @@ class DetectionView(QWidget):
self._minZoom = 0.1 self._minZoom = 0.1
self._maxZoom = 10 self._maxZoom = 10
self._currentZoom = 1.0 self._currentZoom = 1.0
lyt = QVBoxLayout() lyt = QVBoxLayout()
lyt.addWidget(self._view) lyt.addWidget(self._view)
self.setLayout(lyt) self.setLayout(lyt)
@ -116,6 +116,9 @@ class DetectionView(QWidget):
self._view.setScene(self._scene) self._view.setScene(self._scene)
self._view.fitInView(self._scene.sceneRect(), aspectRadioMode=Qt.AspectRatioMode.KeepAspectRatio) self._view.fitInView(self._scene.sceneRect(), aspectRadioMode=Qt.AspectRatioMode.KeepAspectRatio)
def setData(self, data:TrackingData):
self._data = data
def clearDetections(self): def clearDetections(self):
items = self._scene.items() items = self._scene.items()
if items is not None: if items is not None:
@ -124,23 +127,34 @@ class DetectionView(QWidget):
self._scene.removeItem(it) self._scene.removeItem(it)
del it del it
def addDetections(self, coordinates:np.array, track_ids:np.array, detection_ids:np.array, frames: np.array, def updateDetections(self, keypoint=-1):
keypoint:int, brush:QBrush): self.clearDetections()
if self._data is None:
return
frames = self._data.selectedData("frame")
tracks = self._data.selectedData("track")
coordinates = self._data.coordinates(selection=True)
centercoordinates = self._data.centerOfGravity(selection=True)
userlabeled = self._data.selectedData("userlabeled")
indices = self._data.selectedData("index")
image_rect = self._pixmapitem.boundingRect() if self._pixmapitem is not None else QRectF(0,0,0,0) image_rect = self._pixmapitem.boundingRect() if self._pixmapitem is not None else QRectF(0,0,0,0)
num_detections = coordinates.shape[0]
for i in range(num_detections): for i, idx in enumerate(indices):
t = tracks[i]
c = Tracks.fromValue(t).toColor()
if keypoint >= 0:
x = coordinates[i, keypoint, 0] x = coordinates[i, keypoint, 0]
y = coordinates[i, keypoint, 1] y = coordinates[i, keypoint, 1]
c = brush.color() else:
c.setAlpha(int(i * 255 / num_detections)) x = centercoordinates[i, 0]
brush.setColor(c) y = centercoordinates[i, 1]
item = Detection(image_rect.left() + x, image_rect.top() + y, 20, 20, brush=brush)
item.setData(DetectionData.TRACK_ID.value, track_ids[i]) item = Detection(image_rect.left() + x, image_rect.top() + y, 20, 20, brush=QBrush(c))
item.setData(DetectionData.ID.value, detection_ids[i]) item.setData(DetectionData.TRACK_ID.value, tracks[i])
item.setData(DetectionData.ID.value, idx)
item.setData(DetectionData.COORDINATES.value, coordinates[i, :, :]) item.setData(DetectionData.COORDINATES.value, coordinates[i, :, :])
item.setData(DetectionData.FRAME.value, frames[i]) item.setData(DetectionData.FRAME.value, frames[i])
item = self._scene.addItem(item) item = self._scene.addItem(item)
# logging.debug("DetectionView: Number of items in scene: %i", len(self._scene.items()))
def fit_image_to_view(self): def fit_image_to_view(self):
"""Scale the image to fit the QGraphicsView.""" """Scale the image to fit the QGraphicsView."""
@ -159,7 +173,7 @@ class DetectionView(QWidget):
def main(): def main():
def items_selected(items): def items_selected(items):
print("items selected") print("items selected")
# FIXME The following code will no longer work...
import pickle import pickle
import numpy as np import numpy as np
from IPython import embed from IPython import embed