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An update to Anim8or, v1.00b, is available with a few bug fixes. Get your copy HERE. See the "ReadMe" file for details.

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Topics - selden

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1
General Anim8or Forum / How to set default font?
« on: October 12, 2017, 10:04:32 pm »
Is there any way to set the default font used for text in the Object Editor?
Is there any way to set defaults for the other fields in the Text popup menu?

I want to have about a dozen 3D text strings around an object. Unfortunately, whenever I select the Text tool it defaults to Ariel. The font I'd prefer is quite a ways down in the list of fonts shown by the Text popup, Scrolling through that list for each string can be rather awkward and time consuming.

I couldn't find any mention of setting default values for any of the fields of the Text popup in the online documentation for the Object Editor.

It'd be really nice if the values one types into the Text popup menu (other than the position) were remembered for use for the next time.

2
Anim8or v1.0 Discussion Forum / v1.0b: point edit extrude faces doesn't
« on: September 17, 2017, 12:06:47 am »
Problem: Sometimes when two faces are selected, only one of them gets extruded.

I'm trying to create what looks like a pair of doors in the end of a cylindrical container.

I use the following set of operations: create cylinder, convert to mesh, point edit, select the top end,
inset, extrude face (inward), cut selected face in half, inset, leave both faces selected, extrude.

Only one of the two faces extrudes. When drawn as shaded surfaces, the face which does not extrude has a darker coloration than the face which does extrude. Presumably this is another symptom of the underlying problem.

I've attached the .an8 of the model after the faces fail to extrude properly.

Here's a link to a 2.5 MB mp4 screen recording of the failing extrusion attempt, showing everything from scratch:
https://www.classe.cornell.edu/~seb/celestia/files/cylinder.mp4

3
Problem:  scaling of point positions doesn't always work in v1.00b

With two sets of points selected at opposite ends (top and bottom) of a mesh and Y axis is selected, applying scaling (moving the mouse up and down vertically) should cause those groups to move up and down, toward and away from one another.  Instead, nothing seems to happen. My impression is that each group is being treated individually instead of as a set: when all axes are enabled, applying scaling using the mouse, the relative positions of the points in the ends contract within each group.

Flattening in the Y dimension has been applied to both sets of end points independently, which might be related.

This works in v0.98: the mesh's end points move up and down.

I've attached screengrabs and a mesh which can be used to demonstrate this problem: vertical scaling works in v0.98 but not in v1.00b

edited to add:

This vertical scaling problem is also present when one starts with a (vertical) cylinder, selects its ends and does an "inset". With scaling selected, the central (selected) inset regions of the two ends won't move up and down relative to one another.

4
Finished Works and Works in Progress / Anim8or models for Celestia
« on: September 07, 2017, 11:57:21 am »
For a long time I've been using models created using Anim8or in my Addons for Celestia (as have other people). Usually my models are rather simplistic and low-poly: I'm not into hyper-realism or adding lots of "greebles" as some people are.

A recent project used particularly simple objects. Distorted cubes became interactive maps and their buttons. It works under Windows, Linux and MacOS.

https://www.classe.cornell.edu/~seb/celestia/resurgence/index.html


Another project used quite a few models with somewhat more sophistication to create an interactive notebook. Unfortunately, it works only under Windows.

https://www.classe.cornell.edu/~seb/celestia/notebooks/index.html



5
General Anim8or Forum / mesh axes not shown -- can't adjust rotational axes
« on: September 04, 2017, 01:58:27 pm »
I need to adjust the location and orientation of the rotational axes of a mesh, but for some reason its origin and axes aren't being shown when the mesh is selected. What am I overlooking or doing wrong?


6
When using Anim8or v1.0b, in the Object editor, if I try to custom rotate a centered cylinder by 45 degrees, it instead rotates some small angle. The builtin 90 degree rotations work OK. The problem is seen for all rotation axes.

This problem is not seen in Anim8or v1.0: a custom rotation of 45 degrees works fine.

Here are a couple of screengrabs of 1.0 and 1.0b after a custom 45 degree rotation about the Z axis.



7
General Anim8or Forum / Updates to the Ray Tracer documentation?
« on: August 28, 2017, 12:05:59 pm »
Is there any chance that the documentation for entering the class parameters for the Ray Tracer could be updated to include some explicit examples?

Although they mention the Attributes menu and list class settings, they don't actually say how and where to enter the various multi-level class parameters.

I'm in the process of searching the forum for posts describing how to use them, and I've found a few, but it's quite frustrating.

In particular, I'm trying to make ripples in a cup of tea look realistic, but it's a struggle.


8
The first time I tried to use my CMOD export script, Anim8or v1.0 beta complained that the file name was invalid.

To prepare to report this bug, I then opened the help -> about window to screengrab/record Anim8or's version number.

Then when I opened the export window, it worked fine and did not complain about the file name.

*sigh*

9

The section "Reporting Bugs" still says v0.95 instead of v1.0 beta.

It also does not say where to report bugs.

10
Bug:

Running Anim8or v0.98b, build 1253, in the Object Edit mode, the "select multiple" tool doesn't select all of the meshes that it should.

This bug has been present for quite a few builds.

This bug can be demonstrated using the enclosed .an8 file (in the .zip) and is illustrated
in the enclosed screengrabs.

Instructions to duplicate this bug:

In the Object editor, drag select so that all of the individual meshes
are outlined. Release the mouse button. Only a few of the meshes
are highlighted and selected. They all should be selected.

This isn't a big deal when only a few meshes need to be selected, but it
is quite painful when most, but not all, of a large number of objects
need to be selected.

Selden


11
Finished Works and Works in Progress / Interactive notebook: a WIP
« on: September 28, 2016, 10:12:15 am »
I'm in the process of constructing an interactive notebook for use with Celestia. Of course, I'm using Anim8or to design its models. It's interactive in the sense that one can turn its pages, not that one can create new entries. Writing on a page has to be done "out of band" by painting the surface texture for each leaf of the notebook.

A sub-project was to create what looks like a taped-in photograph. It'll be used in several places. I made that available on DeviantArt yesterday at http://celestiaguru.deviantart.com/art/Photo-03-taped-instant-photo-636917231





12
Recently I've noticed a copy of Anim8or continuing to run, saturating a core, after I've closed Anim8or's design window. The design window has closed and Anim8or's icon has disappeared from the taskbar. I've had to use the task manager's "end process tree" command to get rid of the rogue process. Anim8or's model file seems to have been output properly, so I'm not at all sure what it's trying to do.

I've only been using the Object editor, none of the other design windows, and it only happens some of the time.

This happens with Anim8or build 1247 running under a fully patched Windows 7.

How can I find out where it's looping?


13
Anim8or v0.98 Discussion Forum / Wrong texture mapping after point edits
« on: September 06, 2016, 11:53:47 pm »
Problem: surface texture image mapped incorrectly after "point edit inset" followed by "point edit extrude faces"

My continuing saga of trying to model an open book:

I'm trying to model the inside of a book's cover, with the endpapers seeming to be overlaying the edges of the leather covering that's wrapped around the coverboards. I decided that one way to do this would be slightly depress the interior area of the inside of the cover mesh, so that it'd have a raised area next to the edges where the leather is, and a slightly depressed area where the endpapers would be directly against the coverboards. From past experience, I knew I could do this using "point edit inset" followed by "point edit extrude faces".

To accomplish this, I used the following steps:

1. merged the facets on the right and left interior sides of the cover model into one large facet each.
2. applied the surface texture images to those facets
3. adjusted the mappings of those images slightly using the UV editor.
(Those three steps worked fine.)

Then, watching closely at the top edge of the model:
4. used "point edit inset" to generate a slightly smaller region in the interior of the front endpaper region.
5. used "point edit extrude faces" to slightly depress that smaller region.

I then changed the view to look at the front of the model and discovered that it no longer showed the image of the front endpaper. Instead it was a uniform purple.

Using "drag select" to select the appropriate facets of the model and then "apply" of the appropriate material did nothing visible. FWIW, when I defined a new material with no associated diffuse surface texture image, it did recolor those facets to the new uniform color, but nothing I do can make it draw a surface texture image on those facets.

This zip file contains a model showing this problem. As best I can tell, this time I've included all of the necessary surface texture images.

Thanks for whatever help you can provide, but I suspect this is a bug in Anim8or. I'm using build 1247.


14
Anim8or v0.98 Discussion Forum / Object exported to .an8 loses some textures
« on: September 05, 2016, 09:59:18 pm »
Sometimes when an object is exported to its own .AN8 model file, the resulting model loses some of its texture image files.

When the exported .AN8 model file is opened in Anim8or, several of its materials no longer have any textures associated with them although the original model did have those textures.

This problem is seen with Anim8or v0.98a (build 1247) and previous versions.

To reproduce this problem:
1. open the included model file reassembled_closed_book_3.an8

Note that the spine and back cover are brown.

2. export the object reassembled_book_3 to temp.an8 file

3. open temp.an8

Note that the spine and back cover are the default grey.

I've included screengrabs showing this happening on my computer.
I'm running Anim8or v0.98a (build 1247) under Windows 7.

15
General Anim8or Forum / "Fix Normals" is greyed out. How to enable it?
« on: August 13, 2016, 09:57:43 pm »
What circumstances cause the option "Fix Normals" to be unavailable?
How can I persuade it to be available?

I'd like not to have to manually select each of the faces with reversed normals to repair them. Unfortunately, the "Fix Normals" option is greyed-out. See the attached screengrab.

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