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Tue, Sep 27, 2005 at 7:02:11 PM | shadow issues

#1

BLIESNER


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I am currently having some issues with a site plan in which i wish to have the model and a image imported displayed. The trouble exists where i import the image and turn on the shadows. In the view it is fine but when i go to print the document over the image where the shadows would be cast if there was a floor there turns white. I either want this to turn black or turn it off but i cannot figure out how to rectify this situation. does anyone know about this.

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Wed, Sep 28, 2005 at 1:28:01 AM | RE: shadow issues

#2

Mr Spot


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I typically use photoshop or corel draw for overlaying images for purposes of shadow diagrams. I'll setup a view with the shadows in revit and export the image then blend the image with the aerial photograph to have the shadows cast on the background...

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Wed, Sep 28, 2005 at 8:51:20 AM | RE:

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Rookwood


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Quoting Mr Spot - 2005-09-28 01:28:01

"I typically use photoshop or corel draw for overlaying images for purposes of shadow diagrams. I'll setup a view with the shadows in revit and export the image then blend the image with the aerial photograph to have the shadows cast on the background..."




Mr Spot, is there any way you could provide a step by step tutorial, with illustrations, on how to do this. I realize it is asking a lot...or perhaps you are aware of existing tutorials. This is the next step for me with my Revit evolution.

I would like to bring my Revit model (rendering) into Photoshop as an overlay to an photo of an existing environment.

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Wed, Sep 28, 2005 at 5:24:40 PM | RE: shadow issues

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Mr Spot


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Skisouth's photoshop tutorials were the basis for me learning to do this, so theres a start. Its really a matter of exporting the shadow plan view (not sure whether your using shaded or hidden line view). Set the ground plane as some easily selectable color. Then using the color range tool to select all the ground plane, then inverse select and copy all that information to the clipboard and paste into the other image and scale to the appropriate size. Then i just use a blending layer to allow the shadows to just darken the parts they display in plan. Its not overly complicated but takes some knowledge of photoshop and it tends to vary from job to job as to how you remove the unwanted information in order to see the information you need to behind the overlayed image. HTH.

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