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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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Anim8or v1.01.1318+ crashes when loading the .an8 model of Lusitania which is provided in the thread

Anim8or v1.01.1318 does not crash.

This is running under Windows 7 with current patches on a 1.6 GHz Core i7-Q720 with an Nvidia NVS 3100M with video driver v342.

Anim8or v1.0 Discussion Forum / Copying a material?
« on: February 25, 2018, 03:29:38 pm »
Is there any way to copy or replicate a material in the object editor for the same object?

I thought I'd seen a way to do that somewhere, but my searches of the documentation haven't located it.

I'm trying to match all of a material's characteristics except for the surface texture images being applied. Manually copying the various values from one material to another can be tedious, time consuming and error prone, especially since you can't have two materials open at the same time. Running two copies of Anim8or with the same project open can make that a little easier, but then there's the danger of accidentally modifying the wrong one.

Problem: Reference image is missing its texture


If an object contains a reference image, copying everything to a new object does not display the reference image's texture. A blank (black) reference image is drawn instead. See the attached screengrab.

Workaround: Exit and restart Anim8or. The copied reference image is then drawn with its texture in the new object. (This can take a painfully long time if one is working on a large model.)

This problem is seen when using Anim8or v1.01.1318 and previous versions.

Simplified instructions to duplicate:

Open an empty .an8 file
Import a reference image (object editor -> Build -> Reference Image ...)

Copy all to clipboard ( Ctrl-A Ctrl-C )
Create a new object (object editor -> Object -> New)

Paste into the new object ( Ctrl-V )

The new reference image is drawn black.

See the attached Zip file, which contains a model with a reference image. Since it has been saved, when you load it and select object02, the reference image will be drawn.


p.s. Similarly, sometimes when I copy a mesh from one object to another, it isn't drawn, either. Maybe it's a related problem?

Unfortunately, I haven't been able to duplicate this mesh viewing problem predictably. As with the reference image, though, if I exit Anim8or and restart it to edit the resulting .an8 file, the copied mesh is present and visible in the second object.


While working on a rather large model, I discovered that Ctrl-A selected only half of the surfaces. The model consists of two adjacent meshes and only the surfaces of one of those meshes was being selected. See the attached screengrab.

The zip of the model is too large to attach (3.5MB) so here's a link to it:

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.

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:

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.

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.

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

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?

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.

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.

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.



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

It also does not say where to report bugs.


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.


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

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