Use shortcut commands for various objects in object snapping

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During the CAD process, it is often necessary to capture a certain type of point. In areas where there are many lines, if multiple types of objects are set as capture options in object snapping, then various types of objects will be captured, making it difficult to choose the desired one. If you remember the shortcut keys for each type of object, you can capture only the ones you need. Below are the shortcut keys for the different objects available in object snapping: (1) “Endpoint”: abbreviated as “END”, used to capture the endpoints of objects such as arcs or lines. (2) “Midpoint”: abbreviated as “MID”, used to locate the middle point (the point of equal division) of an object. (3) “Intersection”: abbreviated as “INT”, used to capture the intersection point of two objects. (4) “ApparentIntersect (apparent intersection point)”: abbreviated as “APP”, it is used to capture the intersection point of two objects after their extension or projection. That is, when two objects do not intersect directly, the system can automatically calculate the intersection point after extending them, or the intersection point of skew lines in the projection direction. (5) “Extension”: abbreviated as “EXT”, used to capture a certain object and a point on its extended path. In this capture mode, when the cursor is moved over a straight line or arc, a dashed line is displayed along the direction of that line or arc, and the user can select a point on this dashed line. (6) “Center”: abbreviated as “CEN”, used to capture the center of a circle or arc. (7) “Quadrant (quadrant point)”: abbreviated as “QUA”, used to capture the quadrant points on a circle or arc. The quadrant points are the points on a circle at 0°, 90°, 180°, and 270°. (8) “Tangent”: abbreviated as “TAN”, used to capture the points where objects are tangent to each other. (9) “Perpendicular (foot of the perpendicular)”: abbreviated as “PER”, used to capture the foot of the perpendicular from a specified point to another object. (10) “Parallel”: abbreviated as “PAR”, used to capture a point in a direction parallel to a specified line. After creating a line and specifying its first endpoint, the cursor can be moved to an existing line object using this snap mode; parallel snap markers will appear on that object. By then moving the cursor to the desired position, a dashed line parallel to the original line will be displayed on the screen, allowing the user to select a point on that dashed line. (11) “Node”: abbreviated as “NOD”, used to represent point objects. (12) “Insert (insertion point)”: abbreviated as “INS”, it captures the insertion point of objects such as blocks, shapes, text, attributes, or attribute definitions. (13) “Nearest (closest point):” abbreviated as “NEA”, used to capture the point on an object that is closest to a specified point. (14) “None”: abbreviated as “NON”; object snapping is not used. (15) “From (starting point)”: abbreviated as “FRO”, it can be used in combination with other capture methods to specify the base point for capture. (16) “Temporary trackpoint”: abbreviated as “TT”; it allows polar tracking using a specified base point. If you can’t remember the commands above, you can use the following method to quickly bring up the “Object Snap” dialog box and make settings: click the right button while holding down the Shift key to display the shortcut menu.