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asked How to set up ArcGIS Online application to let non-logged users add data?
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asked Is antumbra part of shadow darker than penumbra part of shadow?
Nov
10
comment How to accurately place geographic object into photo?
I'm after several SketchUp Photo Match tutorials and still have no idea how to properly match the landscape photo (with no significant lines to match) to SketchUp scene. The same with overlay: SketchUp scene is in different scale than photo. I'm stuck how to align scene with the photo. Do you have any hints?
Nov
9
comment Length of solid part of object shadow
The behaviour of light is actually of my concern. But not in local scale (scattering). Rather between Sun and object. That's why I ask if I can use the same relations as between Sun and Earth to Sun and object.
Nov
9
comment Length of solid part of object shadow
I made an edit and fixed simplified equation. There's L=2*108*Ro. Sorry. Btw, can you explain the term "solid angle of the sun"?
Nov
9
awarded Editor
Nov
9
revised Length of solid part of object shadow
fixed simplified equation - added D_o symbol (object diameter)
Nov
9
asked Length of solid part of object shadow
Nov
9
awarded Supporter
Oct
30
comment How to accurately place geographic object into photo?
Thank you. Now rendering make sense. There're a lot of new things I've to grasp, but I hope I finally get professional looking results
Oct
30
comment How to accurately place geographic object into photo?
Thanks, your option 2 is quite clear to me up to the point when you write about "rendering the view". I associate term rendering with artifficial object, not photos. Is rendering really necessary here? Btw, I've Sketchup "standard" and it indeed lacks dxf import. Does it lack precise camera setup also?
Oct
29
comment How to accurately place geographic object into photo?
Could you please be more specific. I'm not fluent with Autodesk software so specifying which functions to use are greatly appreciated:)
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