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diff --git a/docs/user_guide/eye_tracking_context/context_modules/file.md b/docs/user_guide/eye_tracking_context/context_modules/file.md new file mode 100644 index 0000000..5b5c8e9 --- /dev/null +++ b/docs/user_guide/eye_tracking_context/context_modules/file.md @@ -0,0 +1,75 @@ +File +====== + +ArGaze provides a ready-made contexts to read data from various file format. + +To select a desired context, the JSON samples have to be edited and saved inside an [ArContext configuration](../configuration_and_execution.md) file. +Notice that the *pipeline* entry is mandatory. + +```json +{ + JSON sample + "pipeline": ... +} +``` + +Read more about [ArContext base class in code reference](../../../argaze.md/#argaze.ArFeatures.ArContext). + +## CSV + +::: argaze.utils.contexts.File.CSV + +### JSON sample: splitted case + +To use when gaze position coordinates are splitted in two separated columns. + +```json +{ + "argaze.utils.contexts.File.CSV": { + "name": "CSV file data playback", + "path": "./src/argaze/utils/demo/gaze_positions_splitted.csv", + "timestamp_column": "Timestamp (ms)", + "x_column": "Gaze Position X (px)", + "y_column": "Gaze Position Y (px)", + "pipeline": ... + } +} +``` + +### JSON sample: joined case + +To use when gaze position coordinates are joined as a list in one single column. + +```json +{ + "argaze.utils.contexts.File.CSV" : { + "name": "CSV file data playback", + "path": "./src/argaze/utils/demo/gaze_positions_xy_joined.csv", + "timestamp_column": "Timestamp (ms)", + "xy_column": "Gaze Position (px)", + "pipeline": ... + } +} +``` + +### JSON sample: left and right eyes + +To use when gaze position coordinates and validity are given for each eye in six separated columns. + +```json +{ + "argaze.utils.contexts.File.CSV": { + "name": "CSV file data playback", + "path": "./src/argaze/utils/demo/gaze_positions_left_right_eyes.csv", + "timestamp_column": "Timestamp (ms)", + "left_eye_x_column": "Left eye X", + "left_eye_y_column": "Left eye Y", + "left_eye_validity_column": "Left eye validity", + "right_eye_x_column": "Right eye X", + "right_eye_y_column": "Right eye Y", + "right_eye_validity_column": "Right eye validity", + "rescale_to_pipeline_size": true, + "pipeline": ... + } +} +``` |