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Author Topic: Where can I start?  (Read 18287 times)

Owl

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Re: Where can I start?
« Reply #90 on: December 22, 2014, 10:55:04 pm »

kreator:
... Your Shoebox took a little longer to texture as the Normals were reversed , as you had used a combination of Quads and Tri`s. ...
The Quads and Tri's were assigned automatically by the extrusion. Does this explain why material is not always assigned to ALL faces with a "select all" function?

The reason it has taken so long is documented here and an example in the last email. I set down to draw an object with some extrusions and they were randomly failing, the sane as with the applying of materials. After 2 hours of no progress, I stopped for a break. (They were complex shapes, the 5 point V-gon was just for illustrations)
Thanks
« Last Edit: December 22, 2014, 10:58:17 pm by Owl »
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ENSONIQ5

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Re: Where can I start?
« Reply #91 on: December 23, 2014, 02:38:26 am »

The reason I am asking how to apply light blue to every face with only one Materials "Apply" mouse click, is small features can quickly make LOTS of faces and it would be very time consuming to apply to every face. Usually if you select the entire object using the dashed-line "drag-select", from any view, it will select the entire object and thus apply the material to the entire object. But I have had it fail often.

Sorry, I think I might be missing something.  You should be able to click on an object (in object-select mode, ie. with the arrow at the top-left of the menu selected), select a material and click Apply.  That will apply that material to the entire object, all faces, and (I believe though I could be wrong here) will reset any face UV coordinates to the default.  Is this not working for you?

Also, from your video it appears you have screen rendering issues.  Does it look like this live or is it an issue with your screen capture?  If it looks like this at your end you will need to adjust your compatibility settings.
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Owl

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Re: Where can I start?
« Reply #92 on: December 23, 2014, 02:48:20 am »

The reason I am asking how to apply light blue to every face with only one Materials "Apply" mouse click, is small features can quickly make LOTS of faces and it would be very time consuming to apply to every face. Usually if you select the entire object using the dashed-line "drag-select", from any view, it will select the entire object and thus apply the material to the entire object. But I have had it fail often.

.... Is this not working for you? ....Also, from your video it appears you have screen rendering issues. ...

It works sometimes and fails to get all the faces some times!

While trying to get the video file size down, I over did it. Screen is perfect.
Thanks
« Last Edit: December 23, 2014, 03:20:23 am by Owl »
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ENSONIQ5

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Re: Where can I start?
« Reply #93 on: December 23, 2014, 06:20:38 am »

It works sometimes and fails to get all the faces some times!

Just to be absolutely clear, I'm not talking about drag-selecting all faces in point-edit mode, I'm talking about clicking on the object in object-select mode and then applying the material.  Drag-selecting faces in point-edit mode, particularly in perspective view, can result in some faces not being selected, usually those very close to the camera.

Also, I'm not able to replicate your issue with extruding N-gons.  After trying everything I could think of to cause it to fail, they extrude perfectly every time.
« Last Edit: December 23, 2014, 06:30:04 am by ENSONIQ5 »
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Owl

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Re: Where can I start?
« Reply #94 on: December 23, 2014, 12:35:12 pm »

1) ... about clicking on the object in object-select mode and then applying the material...
2) ... not able to replicate your issue with extruding N-gons ..

1) That failed on the cube a few times.
2) Sorry about that. I always started the test with starting the program and then the minimum number of other steps. It sometimes took 20 tries to get a failure. (Feels like playing the Vegas slots) Sometime it did it on first try and then several times in a row.
Thank you 
« Last Edit: December 23, 2014, 12:42:00 pm by Owl »
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Owl

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Re: Where can I start? - Extruding along a line
« Reply #95 on: December 23, 2014, 12:48:54 pm »

If you extrude a shape along an axis, and then you extrude that shape along a line drawn path along that same axis, it does not produce the same results.

After several hours of research and experiments, I believe these are the rules of extruding a shape along a path. { BUILD>Extrude>Path }

BASIC
1) Shape must always be in FRONT view.
2) Shape location with-respect-to (wrt) path doesn't matter.
3) Path can be in any view.
4) Length parameter for extrude doesn't matter, it will extrude the length of the path.
5) For N-Gon shapes the extrusion will be located in the center of the shape.

DETAILS
5) If you choose the shape from any other view, such as perspective, the extrusion will be as seen from the FRONT view.

SURPRISES
6) An extrusion of a spline drawn shape, extruded along a spline path, will be two or more shapes, will be different lengths and in an unknown (by me) location.
7) An extrusion of a spline shape along a straight line path will be in an unknown (by me) location.
If you extrude a shape along an axis, and then you extrude that shape along a line drawn path along that same axis, it does not produce the same results.

The above gives me enough information to have predictable results.
BTW even though the "Shape must always be in FRONT view" is a unique requirement, combined with "Shape location with-respect-to (wrt) path doesn't matter" ... greatly simplifies the usual method of extrusion alone a line. I like it.
Thank You,
« Last Edit: December 24, 2014, 02:05:43 am by Owl »
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ENSONIQ5

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Re: Where can I start?
« Reply #96 on: December 24, 2014, 03:01:49 am »

When extruding along a path, you MUST consider the mathematical origin of the shape, which by default will always be located at the centre of the bold grid crosshairs bisecting your workspace.  This is the point that will be traced along the path, so if this point is not centred within the shape and is in fact nowhere near the shape (eg. if you have created your shape in the top left of your workspace) the final extrusion may not end up where you intended (but always predictably, the offset will be based on the location of your shape's origin point relative to the shape itself).  The generated mesh may also not look like you would expect, in fact if the offset is significant and the path quite convoluted the resulting mesh can look nothing like you intended.

This is not an issue with axis extrusion since there is no path location to be accounted for, the extrusion can just extend into the chosen axis dimension... hence the difference you have encountered.  Always create your shape to be path-extruded around the centre crosshairs, if this is difficult due to other meshes on the screen just create a new Object to work in (I usually create an Object called "Workbench" in which to build things, cutting and pasting into the main Object as required or into other Objects that will be added as Elements in a Scene).

NOTE:  In the above I have capitalised Objects, meaning 'work spaces' created in Object mode, to distinguish them from meshes such as extrusions, lathes etc.
« Last Edit: December 24, 2014, 03:07:06 am by ENSONIQ5 »
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Owl

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Re: Where can I start?
« Reply #97 on: December 24, 2014, 03:57:13 am »

We must be talking about two different things.
Try putting a Bunch on N-Gons all around the FRONT VIEW.
Put in one spline path, then extrude each of the shapes down the same path. They all extrude in the same place independent of where the shape is, they all extrude down the path.
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ENSONIQ5

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Re: Where can I start?
« Reply #98 on: December 24, 2014, 04:59:11 am »

I am talking specifically about shapes you create with splines.  N-Gons have their origin point located at the N-gon's centre, so yes, they all map directly to the path and all is well.  If you try it with a random shape created from lines however you will see what I mean.  Where the mesh ends up is also dependent on the view within which you created the extrusion path.  Try creating two paths, one in Top view and another in Left view, and map the same shape to both.  You will notice that the meshes rotate differently since each path has a different X,Y,Z frame of reference.  I should add that this is with the coordinate system set to screen coords, I have not experimented with changing this to see if it has an effect on path extrusions (but will do so *).

There will still be a difference between axis-extrusion and path-extrusion for N-gons however, since the latter will still map the N-gon's origin to the path, so the mesh won't be in the same place as if it was axis-extruded.

EDIT: * Nah, not a good idea.  Changing the coordinate structure forces spline creation to adhere to the left/middle/right mouse button thing (each relating to a difference axis) so not practical for drawing paths.
« Last Edit: December 24, 2014, 05:07:18 am by ENSONIQ5 »
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Owl

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Re: Where can I start? - Object/Axis ^O
« Reply #99 on: December 24, 2014, 02:36:14 pm »

Is there any documentation or tutorials on: Object/Axis ^O   

Also, I can't find the three coordinate systems choices ever doing anything. They seem like a necessary tool.
I'd like to move and move about the selection points.
Thank You.
« Last Edit: December 29, 2014, 02:18:51 pm by Owl »
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kreator

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Re: Where can I start?
« Reply #100 on: December 29, 2014, 04:31:06 pm »

Here is what you should be doing...



This forms the basis of drawing anything in 3d you don`t need to draw everything with splines or such. No other program that can do  this, that I know of.

You can easily create anything from just this method. 

Quote
I`m intrigued!... what other 3d Programs have you used?
You didn`t answer my question in a previous post
« Last Edit: December 29, 2014, 04:41:09 pm by kreator »
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Owl

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Re: Where can I start?
« Reply #101 on: December 29, 2014, 05:23:04 pm »

Thank you,
PS: Sent you a PM on your ask about my experience.
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nemyax

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Re: Where can I start?
« Reply #102 on: December 29, 2014, 05:42:41 pm »

No other program that can do  this, that I know of.
Blender. Ctrl+click.

You can easily create anything from just this method. 
Nope. Not easily, anyway.
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kreator

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Re: Where can I start?
« Reply #103 on: December 29, 2014, 06:03:45 pm »

No other program that can do  this, that I know of.

Blender. Ctrl+click.

When did that happen? Blender is a totally different can of worms!

You can easily create anything from just this method. 
Nope. Not easily, anyway.

Then you are missing something!
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nemyax

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Re: Where can I start?
« Reply #104 on: December 29, 2014, 06:29:24 pm »

When did that happen?
Around 1995, in the first version. Today it lets you extend a selected edge multiple times with a series of Ctrl-clicks.

Then you are missing something!
What am I missing?
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