2D curves are imported into 3ds max from
CAD and then shaped into 3D model using Extrude. Exact positions
of distinct objects are attained with move and rotate tools. |
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The main points for camera
reconstruction are created in the copy of original photo. Yellow
cross indicates position of the point, red one indicates ordinal
number of the point. Cross in the circle is just for orientation
and probably won´t be used in camera reconstruction. The right
amount of points is very important for positioning the camera. Too
few points may create camera with wrong perspective. Maybe too
many points were created in this tutorial, but it is better to
have more points and precise camera, than less points and a lot of
work with corrections. |
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In 3ds max, helpers are created on the
same places as on photo (using snap tool) -Create - Helpers -
CamPoint. Their numbers correspond to the red ones on photo and
their position is also identical with the position of points on
photo. |
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Photo with selected helpers is placed on
the background of interactive window. Using Camera Match, 3D
campoints are flushed with positions on photo. |
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Using Create Camera, camera with very similar
perspective as the original one is created. More points provide
better result, some points may deform perspective, so it´s better
not to use them (points marked with circle).
Some piece of information about camera accuracy is given by
value of Current Camera Error. The lesser the value is, the more
accurately the camera is created.
Additionally, points can be moved to change perspective. It isn´t
necessary to create new cameras. You can simply adjust the actual
one with Modify Camera button.
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| Reconstructed camera composes 3D model
and photo quite well. |
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Now it comes to modeling building
details - drips, rails, stairs, fence,.., giving textures and
materials to objects. The scene doesn´t have complex objects,
mostly procedural materials are used. |
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For good look, we need to simulate
similar illumination as on photo. We don´t have real data in
hand, so the sun position must be guessed from the shadows. |
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| Vray with this setting is used for
rendering: |
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| The original photo was faked due to
render (lamp and other disturbing elements removed) |
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Render image is composed into faked
photo, especially connection of fence and green is edited. The
chrome parts on frontal garage are retained. On rear garage,
electroinstallation pillar is added. |
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| Final visualisation was done in 10
hours. |
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Here you will find model in particular degrees of
completion, with used textures, camera points and bitmaps for
camera reconstruction - click!
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Here you can view the photo in original resolution
- click!
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Final visualisation is here.
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Graphical representation of individual phases is here.
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