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SAMLight Manual > Option Optic3D > Features > 3D Surfaces > STL Projection

STL Projection
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note

Only Black&White Bitmaps can be marked on top of a STL projection. Greyscale bitmaps are not supported.

3DDropDownSTL

Figure 417: 3D Surfaces toolbar

Click on the cog wheel to open the properties dialog:

STLfileDialog

Figure 418: 3D STL property dialog

Click on "Load STL" to load a STL file. This file will be used as the surface on which the 2D vector job should be projected.

Center in Field: The STL file is centered in x and y direction in the SAMLight coordinate system. The top level of the STL file is put at z = 0 of the SAMLight coordinate system.

Offset: The STL file is translated by the given offset. This translation is done after the effect of "Center in Field".

Rotation: The coordinate system of the STL file is rotated in comparison to the SAMLight coordinate system. This rotation is done before the effect of "Center in Field".

Rotate around STL origin: If this checkbox is activated, the STL is rotated around its origin. Otherwise, it is rotated around its middle.

Scale: The STL file is scaled by the given factor. This scaling is done before the effect of "Center in Field".

Line splitting length: This parameter specifies the distance along a line after which a new point is generated and transformed on the 3D surface. Every individual line is split independently.

Enable the checkbox to the right of the cog wheel. Now the STL surface appears in the View 2D.

Below see an example where the 3D surface is a sphere and the 2D job is a simple square:

STLExampleSphere

Figure 419: 2D Square projected on 3D STL sphere surface

When clicking on the Optic3D View icon 3D_View_Icon you can see how the square is projected on the sphere:

STLOptic3Dview

Figure 420: 3D View of the projected square.

note

For Multihead system, please do NOT activate 'Center in Field'. If 'Center in Field' is chosen for Multihead system, the STL projection will be displayed in center of each working area/scanner head, which increases the difficulties of generating a correct marking job.  

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