Object Snap: When this switch is on, snapping to parts of objects is enabled and the snap tools next to it further determine which object parts can be snapped to. The Snap tool palette at the bottom of the project window contains tools that allow you to snap to parts of objects. Snapping to the X, Y, Z, and perpendicular line and hitting the space bar key removes them one at a time.Īll temporary and automatic snap guides can be deleted by hitting the shift + space bar keys at any time. Initially the X, Y, Z, perpendicular, and tangent direction are generated as guide lines. For example, only the tangent direction of a snap guide may be desired. This may be useful if too many guide lines populate the screen. While the cursor is snapping to a guide line, hit the space bar key and that line is removed. It is possible to delete individual lines of a snap guide. When snapping to a guide, or the intersection of two guides, a solid line in the color of the type of guide (see above) is drawn from the snapped point on the guide to the guide line’s origin. In that case, the cursor point is always projected perpendicular on the guide line. When the cursor snaps to a guide line and the shift key is held down, the snapped point remains on that guide line, no matter where the cursor is moved. Intersection Snap: When this switch is on, the cursor also snaps to the intersection of a guide with a segment. The angle is set in the field next to the Angle icon. If the cursor is close to the intersection of two guide lines, it snaps to it too.Īngle Snap: When on, snapable guides set at a specified angle appear to the left and right of the last point drawn. If on, and the cursor is close to a guide line, it snaps to that line. Guide Snap: This switch, located at the bottom of the project window, allows the user to turn guide snapping on and off. Tangent, perpendicular, or other directions are magenta. If temporary and automatic guides are drawn, they are color coded: parallel to X is red, to Y is green, and to Z is blue. They only exist during the execution of the tool. After the input is completed, they are automatically deleted. Depending on the type of input, guide lines that are parallel to the X and Y directions of the reference plane, tangent, and perpendicular to a drawn segment and/or perpendicular to the reference plane are created. Pressing shift+cmd+space (shift+ctrl+space on Windows) will delete all Temporary Guides.Īutomatic guide lines are created during dynamic input, such as when drawing, transforming, extruding, etc. If the object is edited and changed, the temporary guides for that object are removed. Temporary guides remain associated with the object where the snap occurred. If a fourth set is created, the oldest set is removed. When snapping to a segment or segment interval, guide lines tangent and perpendicular to the segment at the snap point are generated, in addition to the X,Y, and Z directions, whenever they are different from the X,Y, and Z directions.Īt most three such sets of temporary guide lines can be active. When snapping to a point, guide lines are generated parallel to the X,Y, and Z directions of the current reference plane. When this happens the user may press shift+space to create a series of guide lines through the snapped entity, according to the following rules: The cursor must snap to one of the object snaps, such as a point, interval, or segment. Temporary guides can be generated by the user anytime object snaps are active. Permanent guides are saved with the project. If that layer is turned off, the guides will also disappear. Permanent guides are located on the layer that is active when they are drawn. They can be picked, moved, rotated, and deleted. They are always drawn with black dashed lines. Permanent guides are generated by the user with the Draw Guide tool ( ), found in the Manage suite of tools. Guides are generated in one of three ways: Their purpose is to lock on to certain points along a meaningful direction. Guides are auxiliary lines that extend infinitely long. To invoke the Grid Options dialog, right click over an object snap icon and choose Snap Options, or choose Snap Options from the palette menu. For convenience, the grid snap values can be accessed directly in the text fields next to the Grid icon. They are affected by the angle grid snap. A few input mechanisms define angles, such as drawing arcs or rotating objects. It applies equally to X, Y, and Z directions. All linear input that defines points in space or linear distances is affected by the linear grid snap. Next to it there are two fields: one for linear distances and one for angles. When on, grid snapping is on when off, it is off. Grid Snap: This tool, found on bottom of the screen, is a switch. There are three kinds of snaps, which can be turned on and off separately: grid snaps, guide snaps, and object snaps.
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