PySide6 experiment.

sandbox/tusdview/Makefile

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+all:
+	python tusdview.py

sandbox/tusdview/requirements.txt

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+PySide6
+numpy
+scipy
+opencv-python
+matplotlib

sandbox/tusdview/tusdview.py

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+
+import os, sys
+
+# workaround.
+# import PySide6 first, then import numpy, cv2, etc. otherwise 
+#
+# qt.qpa.wayland: Failed to initialize EGL display 3001
+#
+# error happens in WSL2 environment
+
+from PySide6.QtWidgets import QApplication, QWidget, QLabel
+from PySide6.QtGui import QImage, QPixmap
+
+#import cv2
+import numpy as np
+
+
+class MainWindow(QWidget):
+
+   def __init__(self, parent=None):
+       super().__init__(parent)
+
+       self.setup()
+
+   def setup(self):
+
+        self.width = 512
+        self.height = 512
+
+        # HWC
+        img = np.zeros((self.height, self.width, 3)).astype(np.uint8)
+
+        for x in range(self.width):
+            for y in range(self.height):
+                img[x,y,0] = x % 256
+                img[x,y,1] = y % 256
+                img[x,y,2] = 127
+
+        stride = img.strides[0]
+
+        qimg = QImage(img.data, self.width, self.height, stride, QImage.Format.Format_RGB888)       
+        pixmap = QPixmap(QPixmap.fromImage(qimg))
+        imgLabel = QLabel(self)
+        imgLabel.setPixmap(pixmap)
+
+        self.resize(imgLabel.pixmap().size())
+        self.setWindowTitle("TinyUSDZ viewer")
+
+
+if __name__ == '__main__':
+    app = QApplication([])
+    window = MainWindow()
+    window.show()
+    app.exec()
+