feat: plotting from streamer

bec_plugins/data_processing/px_example.py

@@ -104,6 +104,7 @@ class StreamProcessorPx(StreamProcessor):
         stream_output = {
             self.config["output"]: {
                 # 0: {"x": np.asarray(x), "y": np.asarray(y), "z": np.asarray(out)},
+                0: {"z": np.asarray(out)},
             },
             # "input": self.config["input_xy"],
         }
@@ -200,8 +201,7 @@ if __name__ == "__main__":
         "channels": ["data", "metadata", "q", "norm_sum"],
         "output": "px_dap_worker",
         "parameters": {
-            "qranges" : [20,50],
-            "roi_stream": "px_roi_stream",
+            "qranges" : [20,50], #TODO this will be signal from ROI selector
             "contrast": 0,  # "contrast_stream" : 'px_contrast_stream',
         },
     }