The graphical editor diagram can display a grid, which supports snapping objects to it and simplifies arranging and aligning shapes. By default, the grid is shown and snapping objects to the grid is enabled.
At 100% zoom, grid cells are squares of 10*10 pixels. When moving or resizing a shape with the grid enabled, the corresponding shape's properties (coordinates, width, height, etc.) change discretely with the step of 10 pixels. This can be helpful, e.g. when you need to draw shapes with the same dimensions, or place them precisely opposite one another.
Changing the zoom level affects the grid step. For example, at 200% zoom the grid step is 5 pixels, and at 800% the grid step is 1 pixel.
Hiding the grid does not affect snapping shapes to it, i.e. if the grid is enabled but not shown, shapes still snap to the grid.To enable/disable the grid
Visible area and coordinates
Moving and zooming the diagram