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In Illustrator, you can easily draw or render artwork in perspective using a feature set that works on established laws of perspective drawing. Perspective grid allows you to approximately represent a scene on a flat surface, as it is naturally perceived by the human eye.
For example, a road or a pair of railway tracks, which seem to meet or vanish in the line of vision. Define real work objects and draw objects with the specified real world measurements in perspective. In the Define Perspective Grid dialog box, you can configure the following attributes for a preset:. Select the units to measure the grid size. The options are centimeters, inches, pixels, and points.
Select the grid scale to view or set the artboard and real-world measurements. To customize the scale, select the Custom option. Gridline every. Viewing Angle. Imagine a cube in such an orientation that no face is parallel to the picture plane in this case the computer screen.
Viewing Angle is the angle which the right face of this imaginary cube makes with the picture plane. Therefore, the viewing angle determines the positions of the left and right vanishing points from the observer. Viewing Distance. Horizon Height. The height of the horizon line from the ground level is displayed in the smart guide readout.
Third Vanishing Point. This option is enabled when you select the three-point perspective. You can specify the x and y coordinates for the preset in the X and Y boxes. To change the colors for the left, right, and horizontal grids, select the color from the Left Grid, Right Grid, and Horizontal Grid drop-down lists. You can also select a custom color from using the Color Selector as well.
In the Perspective Grid Presets dialog box, select the preset to edit and click Edit. The Perspective Grid Preset Options dialog box opens in edit mode. Enter the new grid setting and click OK to save the new grid settings.
You cannot delete the default presets. To delete a user-defined preset, click Delete in the Perspective Grid Presets dialog box. Illustrator also allows you to import and export user-defined presets. To export a particular preset, click Export in the Perspective Grid Presets dialog box. To import a preset, click Import. Illustrator can create only one grid in an Illustrator document. You can move the grid across artboards using the Ground level widget while the Perspective Grid tool is selected, to place it at the required position.
You must select the Perspective Grid tool to perform this task because the ground level widget is not displayed if this tool is not selected. Drag-and-drop the left or right ground level widget on the grid. When you move the pointer over the ground level point, the pointer changes to. You can manually adjust vanishing points, grid plane controls, horizon height, and cell size using the respective widgets. However, these widgets are only visible with the Perspective Grid tool selected. To adjust the left and right vanishing points use the left and right vanishing point widgets.
Notice that the pointer changes to a two-way arrow pointer when you move the pointer over the vanishing points. While adjusting the third vanishing point in 3-point perspective, holding down the Shift key constrains the movement to vertical axis. You can also adjust the left, right, and horizontal grid planes using the respective grid plane control widgets. The pointer changes to a two-way arrow , when you move the pointer over the grid plane controls. Holding the Shift key while moving the grid planes, constrains the movement to the extent of cell size.
If you shift the origin, the x and y coordinates of the horizontal plane and the x coordinate of vertical planes are affected. When you select an object in perspective while the grid is visible, the x and y coordinates displayed in the Transform and Info panels change with shift in origin. You can also see the change in coordinate measurements when you draw objects using the rectangle or line group tools and press Shift, while the relevant grid plane is active.
If you move the mouse over the origin, the pointer changes to. Adjust horizon height to fine-tune the observer's eye-level. When you move the pointer over the horizon line, the pointer changes to a vertical two-way arrow. You can change the grid extent to define the extent of the grid on the planes. When you move the pointer over the grid extent widgets, the pointer changes to.
Gridlines are set to display onscreen when there is a 1-pixel gap in them. Progressive zooming in brings in view more gridlines that are closer toward Vanishing Point. To increase or decrease the grid cell size, use the grid cell size widget.
When you mouse over the grid cell size widget, the pointer changes to. To draw objects in perspective, use the line group tools or rectangle group tools while the grid is visible. You can also switch the active plane using the keyboard shortcut 1 left plane , 2 horizontal plane , and 3 right plane with these tools selected.
When you draw an object in perspective, use Smart Guides to align the object to other objects. The alignment is based on the perspective geometry of objects. Guides appear as the object approaches the edge or anchor point of other objects. You can use numerical values for any of the rectangle or line group tools other than the Flare tool.
You can specify height and width values for the object in the same way as you would draw in regular mode, but the object is drawn in perspective in this case.
Also, the values represent real world dimensions of the objects. While drawing in perspective, objects can be snapped to grid lines of the active plane. This option is enabled by default. If you have already created objects, Illustrator provides the option to attach objects to an active plane on the perspective grid.
Select the active plane on which you want to place the object. You can select the active plane using 1, 2, or 3 keyboard shortcut command or by clicking on one of the faces of the cube in the Perspective Grid Widget.
The selected object is released from the associated perspective plane and is available as a normal artwork. When you bring an existing object or artwork into perspective, the appearance and scale of the selected object changes. To bring regular objects into perspective, do the following:. Select the active plane on which you want to place the object by using the Plane Switching widget or using the keyboard shortcut 1 left plane , 2 horizontal plane , 3 right plane.
Use the Perspective Selection tool to select objects in perspective. The Perspective Selection tool provides a marquee to select objects using the active plane settings. You can select between normal marquee and the perspective marquee after starting to drag using the Perspective Selection tool and then switch between different planes of the grid using 1, 2, 3, or 4 keys.
During the drag loop while moving the objects, changing the plane using the respective keyboard shortcut changes the object's plane. You can also move objects in perpendicular direction to the current object location. This technique is useful when creating parallel objects such as the walls of a room. For this movement:.
Keeping the number 5 key pressed, drag the object to the required position. This action moves the object parallel to its current location. Using Alt Windows or Option Mac OS along with the number 5 key while moving, duplicates the object at the new location without changing the original object. In Draw Behind mode, this action creates the object behind the original object.
To specify a precise location where you need to move the object during perpendicular movement, see Precise perpendicular movement.
This option also works when you move object in perpendicular direction. The keyboard shortcut 5 for perpendicular movement and the keyboard shortcuts 1,2, and 3 for plane switching while drawing or moving objects, work only from the main keyboard and not from the extended numeric keypad.
To move objects in precise perpendicular movement, double-click the required plane widget using the Perspective Selection tool. For example, double-click the right plane widget to set the options in the Right Vanishing Plane dialog box.
In the Location box, specify the location where the objects need to be moved. By default, the current location of objects is displayed in the dialog box. Move All Objects. Copy All Objects. To move a selected object in precise perpendicular movement, select the object and then double-click the required plane widget. In this case, the following dialog box is displayed:. You can also move objects in perpendicular direction by dragging the grid plane using grid plane controls.
When you move an object in perpendicular direction, the object is placed parallel to its existing or current location. Press Shift and drag the grid plane control depending on the grid plane where the object is placed. Press Alt and drag Windows or Option and drag Mac OS the grid plane control depending on the grid plane where the object is placed.
The automatic plane positioning feature allows you to create objects by inferring the height or depth of the object.
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