AutoCAD 2010/2011/2012

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ersidhu
Posts: 24
Registered: ‎12-11-2012
Message 1 of 6 (403 Views)

How does entity colors does Autocad Support ?

403 Views, 5 Replies
12-13-2012 02:12 AM

Hi,Everybody,

 

Plz suggest the right answer of following question.

 

 

How does entity colors does Autocad Support  ?

   Ans - a) 255    b)16    c) 64       d) Unlimited

 

 

 

 

 

Thanks & Regards

 

ersidhu

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pendean
Posts: 21,872
Registered: ‎11-06-2003
Message 2 of 6 (391 Views)

Re: How does entity colors does Autocad Support ?

12-13-2012 05:48 AM in reply to: ersidhu

I think someone is doing their school homework here (or using this forum as a personal training class).

Dean Saadallah Blog | Facebook | Google+ | Twitter | PINS
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AllenJessup
Posts: 5,793
Registered: ‎05-21-2003
Message 3 of 6 (365 Views)

Re: How does entity colors does Autocad Support ?

12-14-2012 06:06 AM in reply to: ersidhu

I hate questions like that. There isn't enough information. There are 255 index colors. Using True color or Color Books you can have many more colors. But not unlimited. So I'd go for 255.

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Alfred.NESWADBA
Posts: 8,893
Registered: ‎06-29-2007
Message 4 of 6 (359 Views)

Re: How does entity colors does Autocad Support ?

12-14-2012 07:39 AM in reply to: AllenJessup

Hi,

 

>> I hate questions like that.

I fully aggree, I really really hate them,

Especially this question can't be answered (with one of those 4 given choices) as AutoCAD's entities can have 16mio colors (true color = 2^24 = 16777216) + "byLayer" + "byBlock", that are the values you can assign.

None of the choices are valid then.

 

- alfred -

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AllenJessup
Posts: 5,793
Registered: ‎05-21-2003
Message 5 of 6 (355 Views)

Re: How does entity colors does Autocad Support ?

12-14-2012 07:49 AM in reply to: Alfred.NESWADBA

Yes. But Civil Service test are just page after page of questions like that. What's ever worse is when the question is based on a sketch that looks like it was done in crayon by a 5 year old. Then you have to guess whether the inconsistencies in the sketch are part of the question of just bad drawing. I wont call it drafting because they never even use a straight edge.

 

Thanks for showing the math. I wasn't going to go that far.

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dbroad
Posts: 1,511
Registered: ‎08-16-2007
Message 6 of 6 (344 Views)

Re: How does entity colors does Autocad Support ?

12-14-2012 10:10 AM in reply to: ersidhu

Technically, if the question wasn't misstyped, it is horribly ungrammatical.

 

If the question is how many index colors there are, then it actually should be 257.

 

0 = byblock, 256 = bylayer, and 1-255.  

 

True colors have 256 * 256 * 256 possibilities. (2^24 possibilities)

 

I don't know how the XOR color of -1 (for grdraw lisp functions) might be factored in.

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