Ref. Issue #5 - 19 May 2008 - Using DVIEW
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cad world
May 19, 2008, 4:58:36 AM5/19/08
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Using DVIEW to a Create a Perspective View
The original command for defining views with perspective from any angle and distance was DVIEW. The newer 3D Orbit feature is easier to use than DVIEW, but you may still find DVIEW helpful for its precise ways of defining a view. DVIEW is also useful if you want to create 3D views using AutoLISP or VBA. Note that the DVIEW command has been removed from AutoCAD LT.
Like 3D Orbit, DVIEW uses the metaphor of a camera. There is a camera point (where you are standing) and a target point (what you are looking at). By defining these two points, you can create either close-up or distance views, much as you would with the zoom or panoramic lens of a camera. The DVIEW command creates both parallel and perspective views.
Using DVIEW
To create a perspective view, type dview ↵ on the command line. At the Select objects or <use DVIEWBLOCK>: prompt, select the objects that you want to include in the process of defining the perspective view.
You should select as few objects as you need to visualize the final result if you have a complex drawing. If you want to select the entire drawing, type all ↵ even if the current view doesn’t display the entire drawing.
Press Enter if you don’t want to choose any objects. The command substitutes a block called dviewblock, which is a simple house. You can use the house to set your perspective view.
If you want, you can create your own block and name it dviewblock. Create it with X, Y, and
Z dimensions of 1. When you press Enter at the Select objects or <use DVIEWBLOCK>:
prompt, the command looks for dviewblock and uses it to display the results of the perspective
view settings.
The original command for defining views with perspective from any angle and distance was DVIEW. The newer 3D Orbit feature is easier to use than DVIEW, but you may still find DVIEW helpful for its precise ways of defining a view. DVIEW is also useful if you want to create 3D views using AutoLISP or VBA. Note that the DVIEW command has been removed from AutoCAD LT.
Like 3D Orbit, DVIEW uses the metaphor of a camera. There is a camera point (where you are standing) and a target point (what you are looking at). By defining these two points, you can create either close-up or distance views, much as you would with the zoom or panoramic lens of a camera. The DVIEW command creates both parallel and perspective views.
Using DVIEW
To create a perspective view, type dview ↵ on the command line. At the Select objects or <use DVIEWBLOCK>: prompt, select the objects that you want to include in the process of defining the perspective view.
You should select as few objects as you need to visualize the final result if you have a complex drawing. If you want to select the entire drawing, type all ↵ even if the current view doesn’t display the entire drawing.
Press Enter if you don’t want to choose any objects. The command substitutes a block called dviewblock, which is a simple house. You can use the house to set your perspective view.
If you want, you can create your own block and name it dviewblock. Create it with X, Y, and
Z dimensions of 1. When you press Enter at the Select objects or <use DVIEWBLOCK>:
prompt, the command looks for dviewblock and uses it to display the results of the perspective
view settings.
Suggested links that maybe also helpful to you...
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cad world
May 19, 2008, 4:58:36 AM5/19/08
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