The Victoria Lines are a series of fortifications in Malta built by the British military during the last quarter of the 19th century. Their defining feature is a continuous infantry wall that ...

It will involve learning measuring methods using the eye and pencil and an introduction to contour line drawing and tone. By the end of the session you will have tackled all these elements in your ...

st_canvas( fill_color: str stroke_width: int stroke_color: str background_color: str background_image: Image update_streamlit: bool height: int width: int drawing_mode: str initial_drawing: dict ...

Curvature values of the straightened root are estimated by fitting splines to segments of the contour. Root size is measured as the total area of the binary mask. Tip angle is measured as the interior ...