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Can't change color of solids... (#3464)
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mikeschn  
#1 Posted : Sunday, November 14, 2010 6:23:42 PM(UTC)
mikeschn

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I have a situation I am hoping someone can help me with.

I imported a step file into Shark (build 929) It's a trailer...

I changed the color of the wheel to green, to differentiate from the color of the rim.

Then I exported a step file for use in Keyshot.

When I import the trailer into Keyshot, it doesn't recognize the color change. When I change the wheel color, the rim color changes too. :(

attached is the shark fx file...

Can someone make the tire a different color than the wheel in Keyshot?

Mike...
File Attachment(s):
4x8hfchassis.sfx (1,701kb) downloaded 13 time(s).
mikeschn attached the following image(s):
hfchassis.jpg (34kb) downloaded 11 time(s).

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ViaCAD Pro 12 on Windows; Viacad Pro 14 on Mac
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zumer  
#2 Posted : Tuesday, November 16, 2010 6:39:59 AM(UTC)
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Mike, might be a 32 bit/64 bit thing, I'm not running 64, but Shark announces that your file is damaged and can't open.
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mikeschn  
#3 Posted : Tuesday, November 16, 2010 5:25:37 PM(UTC)
mikeschn

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Hmmm...

I just downloaded it and it opened just fine.

It might indeed be a version thing. I'm not running the latest beta... I'm running the latest commercial release of Shark FX build 929.

Just to confirm, no matter how I change the colors of the wheel and tire, when I import it into Keyshot, the color changes are lost.

Mike...
ViaCAD Pro 12 on Windows; Viacad Pro 14 on Mac
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mikeschn  
#4 Posted : Tuesday, November 16, 2010 5:38:40 PM(UTC)
mikeschn

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Okay, I opened up this step file in another CAD package... NX5.

Here it is in wireframe mode. I notice that the pen colors equal the wireframe color...

but when I turn on shading, the shaded colors do not equal the pen colors.

How can I get the shaded colors to equal the pen colors?

Mike...
mikeschn attached the following image(s):
wireframe.gif (22kb) downloaded 10 time(s).
shaded.gif (50kb) downloaded 11 time(s).

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mikeschn  
#5 Posted : Tuesday, November 16, 2010 5:44:10 PM(UTC)
mikeschn

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Of course, when I import this step file into Shark, everything appears to be fine...

Shaded = Wireframe...

If anyone would like to play with this step file, I've attached it below.

It appears the question is now, how to I change the surface colors so that another cad software or rendering software can see the correct surface colors?
File Attachment(s):
4x8hfchassis.zip (214kb) downloaded 11 time(s).
mikeschn attached the following image(s):
sharkwf.gif (38kb) downloaded 10 time(s).
sharkshaded.gif (84kb) downloaded 11 time(s).

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mikeschn  
#6 Posted : Wednesday, November 17, 2010 5:58:17 PM(UTC)
mikeschn

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A little bit more experimenting today, and I understand the situation just a little bit better.

I loaded up the trial version of Rhino 3d. Did a step import and then right away, a step export.

The file looked good in Rhino, and when I imported the file into NX it still looked good.

So Rhino 3D was fixing something that Shark isn't...

So for fun, I looked at the contents of the step file (thank goodness for Ascii!)

I noticed that the Fill_Area_Style_Colour was assigned to be equal to the Color_RGB.

Therefore I conclude that the Fill_Area_Style_Color is the color that is assigned to the surfaces.

and the Colour_RGB is the color that is assigned to the pen.

And I suspect that shark doesn't have a way to assign a color to the "Fill_Area_Style_Colour".

So if you import a step file from a foreign CAD system that does support the "Fill_Area_Style_Colour", Shark will maintain those settings in memory, but not allow you to change them. And Shark will export those "Fill_Area_Style_Colour" settings...

The quick fix as I see it, (Tim are you listening?), is to assign the "Fill_Area_Style_Colour" to be equal to the "Colour_RGB" when you export a step file.

A work around (until Tim fixes things) is after you have adjusted the colors in Shark, export it as a step, import it into Rhino 3D, and then export it from Rhino 3D as a step, and go into your rendering program.

Whew!!!

Mike...
mikeschn attached the following image(s):
rhino1.png (50kb) downloaded 11 time(s).
rhino2.png (59kb) downloaded 10 time(s).
rhino3.png (15kb) downloaded 11 time(s).
rhino4.png (21kb) downloaded 11 time(s).

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edbfmi1  
#7 Posted : Tuesday, April 4, 2017 11:47:08 AM(UTC)
edbfmi1

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Well, it has been six years since this issue was posted.
Has anyone come up with a fix for this issue?
I just started using the VIACAD 2D/3D and seem to be having the same problem.
When I import a .stp model, change it's colors and export as an .stp, then re-import it. It comes back as the original color, not the new color I changed it to.
If I make the changes, save it as a .vc3 file then open it, it opens as the new color. If I then export it as an .stp file, and import it it reverts back to the original color.

This is very annoying because there are millions of 3D models out there that have been saved as .stp files from various other 3D programs and all they need is a simple color
change to be useful.

Any new ideas on this old topic would be helpful.

Thanks
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Tim Olson  
#8 Posted : Tuesday, April 4, 2017 3:51:06 PM(UTC)
Tim Olson

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>>When I import a .stp model, change it's colors and export as an .stp, then re-import it. It comes back as the original color, not the new color I changed it to.

This is now fixed in the next WIP builds (1337).

Tim
Tim Olson
IMSI Design/Encore
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edbfmi1  
#9 Posted : Wednesday, April 5, 2017 12:20:12 PM(UTC)
edbfmi1

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Hi Tim,

How do I get build 1337.
When I check for updates it says I am running the most current build
Version: 10.0.0
Build: 1317

Thanks,
Ed
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Tim Olson  
#10 Posted : Thursday, April 6, 2017 1:16:51 PM(UTC)
Tim Olson

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Hi Ed

The first external build to have this correction will be the SharkCAD Pro beta due out this weekend.

Tim
Tim Olson
IMSI Design/Encore
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