Get temperature for x,y coordinate onmouse click OpenCV

examples/seekcamera-temp-opencv.py

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+#!/usr/bin/env python3
+
+from threading import Condition
+
+import cv2
+
+from seekcamera import (
+    SeekCameraIOType,
+    SeekCameraColorPalette,
+    SeekCameraManager,
+    SeekCameraManagerEvent,
+    SeekCameraFrameFormat,
+    SeekCamera,
+    SeekFrame, SeekCameraShutterMode, SeekCameraAGCMode, SeekCameraTemperatureUnit
+)
+
+class Renderer:
+    def __init__(self):
+        self.busy = False
+        self.frame = SeekFrame()
+        self.camera = SeekCamera()
+        self.frame_condition = Condition()
+        self.first_frame = True
+
+
+def on_frame(_camera, camera_frame, renderer):
+    with renderer.frame_condition:
+        renderer.frame1 = camera_frame.thermography_float
+        renderer.frame = camera_frame.color_argb8888
+        renderer.frame_condition.notify()
+
+
+def on_event(camera, event_type, event_status, renderer):
+    print("{}: {}".format(str(event_type), camera.chipid))
+
+    if event_type == SeekCameraManagerEvent.CONNECT:
+        if renderer.busy:
+            return
+        renderer.busy = True
+        renderer.camera = camera
+        renderer.first_frame = True
+        camera.color_palette = SeekCameraColorPalette.TYRIAN
+        camera.shutter_mode = SeekCameraShutterMode.MANUAL
+        camera.agMode =  SeekCameraAGCMode.LINEAR
+        camera.tempunit = SeekCameraTemperatureUnit.CELSIUS
+        camera.register_frame_available_callback(on_frame, renderer)
+        camera.capture_session_start(SeekCameraFrameFormat.THERMOGRAPHY_FLOAT | SeekCameraFrameFormat.COLOR_ARGB8888)
+        # camera.capture_session_start(SeekCameraFrameFormat.COLOR_ARGB8888)
+
+    elif event_type == SeekCameraManagerEvent.DISCONNECT:
+        if renderer.camera == camera:
+            # Stop imaging and reset all the renderer state.
+            camera.capture_session_stop()
+            renderer.camera = None
+            renderer.frame = None
+            renderer.busy = False
+    elif event_type == SeekCameraManagerEvent.ERROR:
+        print("{}: {}".format(str(event_status), camera.chipid))
+    elif event_type == SeekCameraManagerEvent.READY_TO_PAIR:
+        return
+
+def on_click(event, x, y, p1, temp_params):
+    temp,img = temp_params
+    if event == cv2.EVENT_LBUTTONDOWN:
+        print("Pixel Temperature is: ", temp[y, x]," °C. At coordinate: ",x, y)
+        cv2.circle(img, (x, y), 3, (0, 0, 0), -1)
+        cv2.imshow("Seek Thermal - Python OpenCV Sample", img)
+
+def main():
+    window_name = "Seek Thermal - Python OpenCV Sample"
+    cv2.namedWindow(window_name, cv2.WINDOW_NORMAL)
+
+    with SeekCameraManager(SeekCameraIOType.USB) as manager:
+        renderer = Renderer()
+        manager.register_event_callback(on_event, renderer)
+
+
+        while True:
+            with renderer.frame_condition:
+                if renderer.frame_condition.wait(150.0 / 1000.0):
+                    img = renderer.frame.data
+                    temp = renderer.frame1.data
+
+                    if renderer.first_frame:
+                        (height, width,_ ) = img.shape
+                        cv2.resizeWindow(window_name, width * 2, height * 2)
+                        renderer.first_frame = False
+
+                    cv2.setMouseCallback(window_name, on_click,(temp,img))
+                    cv2.imshow(window_name, img)
+
+            key = cv2.waitKey(1)
+            if key == ord("q"):
+                break
+
+            if not cv2.getWindowProperty(window_name, cv2.WND_PROP_VISIBLE):
+                break
+
+    cv2.destroyWindow(window_name)
+
+
+if __name__ == "__main__":
+    main()