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T-FLEX Parametric CAD. Fundamentals. 2D Design

T-FLEX Parametric CAD. Fundamentals. 2D Design

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<strong>Fundamentals</strong>. Two-Dimensional <strong>Design</strong><br />

142<br />

When object is Created. This attribute defines the system behavior upon creating a 3D element as follows:<br />

Continue. The system remains within the current 3D command after creating<br />

any element.<br />

Exit. The current command automatically completes upon creating any element.<br />

Select object. The command automatically completes upon creating any element. If the created 3D<br />

element is a construction one, it is placed on the clipboard (gets selected). This mode may be convenient<br />

when the user creates an element and instantly proceeds working with it. The following is an example of<br />

such common sequence of actions: create a workplane – activate it – use it for creating an extrusion<br />

profile.<br />

The button [OpenGL…] allows defining the OpenGL settings (manually or automatically).<br />

The button [Simplification…] brings up the “Rendering Simplifications” dialog box for simplifying<br />

representation of complex model.<br />

OpenGL parameters<br />

The [OpenGL…] button calls the OpenGL parameter<br />

settings dialog box. These settings only affect the 3D<br />

window.<br />

The T-<strong>FLEX</strong> <strong>CAD</strong> 3D system identifies the modes supported<br />

by the graphic card. The button [Optimum mode] makes<br />

the system automatically decide on the optimum mode. If the<br />

system is unstable while working in the optimum mode, one<br />

can use the button [Safe mode]. In this case, the system<br />

will automatically select the mode that uses only basic<br />

OpenGL functionalities. This allows using various graphic<br />

cards, however with reduced performance. If the graphic card<br />

does not support advanced functions then the modes may not<br />

differ. Your graphic card operational mode can also be set<br />

manually.<br />

The “Shades” group of parameters is used to set up the mode<br />

of drawing shades on a 3D view. Shaded display is enabled<br />

if the flag is set, “Enable Shades”.<br />

The “Quality” control defines the display quality in this<br />

case. An additional flag “Draw Shades on Scene<br />

Manipulation” allows the use of shading during 3D scene<br />

movement.<br />

The use of shades in a 3D view is possible if a sufficiently powerful graphics card is installed on<br />

the computer, that supports this function.<br />

If shading is allowed, then it can be enabled using the respective parameter in the 3D view<br />

properties dialog (see the chapter “Working with a 3D View Window”).<br />

The “Transparent object rendering” group of parameters provides control over rendering speed of the 3D<br />

bodies, which are assigned a transparent material. Faster rendering comes at the expense of the image<br />

quality. The speed and quality of rendering transparent bodies are controlled separately for standalone 3D<br />

model mode and the assembly mode. The slider can assume four positions between the “Speed” and<br />

“Quality” bounds.

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