Depending on the speed of your processor and the memory of your computer, a 3D view should generate in a few seconds or less. When you have a large, complex model with a lot of interior detail, many objects, or hatch petterns with many lines, it may take a few minutes to generate a vector view of everything in the model.
During this process, the information window in the toolbar indicates that surface sorting is occurring. There are several ways to speed up the generation time of views.
Vector views are drawn using an adaptive method that saves time by dividing the screen into horizontal and vertical panels. The Options tab of the 3D Settings dialog has two tuning factors that allow you to adjust the way the adaptive method works.
The View Panel Factor 1 determines how many surfaces are drawn for each horizontal panel. Each horizontal panel is then subdivided into vertical panels - and View Panel Factor 2 determines how many surfaces are contained in each vertical panel.
The default settings are reasonable for most computers, but with some experimentation you may find other settings that work well.
The display of objects in 3D views can be turned on or off by layer in the Layer Display Options dialog. Turning off the display of unneeded objects can speed up 3D view generation time.
Each camera view and overview uses the default layer set for Camera Views. Changes made to this layer set in one view affect all other views using that set. See "Layer Set Management".
Using the Esc key, you can interrupt the modeling process at any point and display the incomplete model "as is." This is particularly helpful when you just need to reorient a model on the screen for a specific angle or view.
The Esc option allows you to place the view quickly, then use Window> Refresh Display to redraw the model with all 3D Faces intact. You may use this option with elevation views, vector views, render views and overviews.
Select 3D> Toggle Low Detail Mode to switch to and from Low Detail Mode. Low Detail suppresses patterns and draws 3D approximations of some objects, allowing for a quicker screen redraw time and quicker camera movement.
To draw all 3D views in Low Detail Mode by default, check Start in Low Detail Mode on the Options tab of the 3D Settings dialog. See "3D Settings Dialog".
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