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Description
Other 3D apps I’ve used can control the density/transparency and colour of the shadows. This is such an extremely valuable option I can’t believe its not already in Blender!
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Comments
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smokebox46and2 wrote on the 11 Apr 08 at 19:42
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great suggestion!
this may be another way to fake cuastics, too...
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oenvoyage wrote on the 12 Apr 08 at 12:21
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yes i have been missing that features often
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cognis wrote on the 15 Apr 08 at 19:12
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Yes, yes and one more time yeeesss.... I have been trying so many silly tricks to do this. In fact, go ahead and allow textured shadows (or just make Shadow a Map To button in Material)!
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ZanQdo wrote on the 19 Apr 08 at 15:01
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Heck yes! sometimes you simply dont want to make your scene yet more complex (more nodes, renderlayers, blah blah) just to change the color and opacity of your lamp's shadow
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wayneberry wrote on the 22 Apr 08 at 00:15
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how's this relate to deep shadows????
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konrad_ha wrote on the 25 Apr 08 at 13:34
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I would really use that,
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 harkyman (Blender Developer) wrote on the 25 Apr 08 at 15:30
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Double thumbs up to ZanQdo's comment. It drives me nuts that I have to come up with complex schemes to control shadow density. Put a master control in the lamp, as well as a contributing control in materials, too. Either one can take you from full density to none. You get the combined effect.
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Handoko wrote on the 5 May 08 at 15:58
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It's a must.
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vdmpeniel wrote on the 12 Jun 08 at 22:14
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I think every body miss that (as zanQdo said sometimes you dont want to make things more complex) textured shadows too, and negative shadows for fake caustics!!!!!!
++++++++++++++++++++++++++++++++++++++++++++1
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Mngzkhuel wrote on the 20 Jul 08 at 11:36
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i don´t get it. what kind of feature would that be? simply make objects cast less visible shadows? like a man who casts a transparent shadow, while he himself is fully visible though?
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sea wrote on the 1 Aug 08 at 09:44
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@Mngzkuel
Read this to see why control over shadows is important for good looking renders:
http://www.itchy-animation.co.uk/light.htm
Very few of his example images have jet-black shadows; they are all coloured or tinted in some way.
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Mngzkhuel wrote on the 2 Aug 08 at 12:32
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I already read that once.
So what you mean is to fake the Ambient Light. Right? Actually the shadows have different colors/are less opaque because everything reflects the light, so it hardly ever gets totally unlit. That´s why we use Ambient Occlusion.
Or am I wrong?
What is so special about that? That it would be faster for rendering?
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Handoko wrote on the 6 Sep 08 at 23:31
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@Mingzkhuel
The ability to control density/transparancy/color of shadow is very useful to achive a photo realistic result.
For example, I used other application which can control shadow color to render outdoor scene. It's very useful. Why? Here's the explanation.
If you examine the real world of outdoor shadows you will know:
The shadows it cast on bright noon (about 11 a.m. to 2 p.m.) is very dark, almost black. But on a overcast day or morning or evening the shadow won't look so dark, it's grey.
So if you want to get the shadow result, the easiest way is to control the color of the the shadow. Simple to say, black for bright sunny day, grey of cloudy day.
But what if you app don't support color control shadow? Here is trick to do it. Put the lamp that cast the shadow. On the same position put another lamp without shadow and lower the intensity.
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Mngzkhuel wrote on the 9 Sep 08 at 13:29
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But that´s what I meant. The shadow is blue, for example. Why? Because the blue sky emits light, too. but what about the areas the light reach less?
Why don´t you use a blueish Ambient Occlusion? It colors the shadows AND does not light up everything.
Have you ever noticed how much more realistic a scene or an object looks if you simply have something like an Ambient Occlusion?
It would be better to ask for real Global Illumination, in my opinion.
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blendman wrote on the 2 Oct 08 at 06:22
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Hi, there is a new feature in blender 2.48 (svn) : colored Shadows :
http://www.blender.org/development/current-projects/changes-since-246/
Great news :-)
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Darkbridge wrote on the 2 Oct 08 at 21:14
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WOOHOOO WIN! 8-)
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