Re: Loading simple text.flt into perfly

New Message Reply Date view Thread view Subject view Author view

Guillermo E. Gutierrez (ggutierr++at++harris.com)
Tue, 30 Nov 1999 10:02:51 -0500

Simon, thank you much.
Are there plans to add this support anytime soon? Also, I notice that the
Flight loader you mention seems to be for OpenFlight v15.3...is that the
latest Performer loader? I'm using the 15.4.1 spec. to write the .flt
files.
-guillermo

Simon Mills wrote:

> Guillermo,
>
> the OpenFlight loader does not support "text" records. This is noted in
> the OpenFlight pf loader README file
> /usr/share/Performer/src/lib/libpfdb/libpfflt/README.FLT.R15_3, see
> below:
>
> <snip>
>
> ----------------------------------------------------------
> | MultiGen OpenFlight features NOT supported |
> ----------------------------------------------------------
>
> - header attributes are ignored, except:
> - format revision
> - database units
> - projection type
>
> - text beads are ignored
> ^^^^^^^^^^^^^^^^^^^^^^^^
>
> - linestyle palette is ignored
>
> <snip>
>
> You will have to make your text normal geometry (polygon) nodes. I'm not
> quite sure how you do that though. Hope this helps.
>
> "Guillermo E. Gutierrez" wrote:
> >
> > Hi pfGurus,
> > I've created a very basic text.flt file (using homegrown code) which I
> > can't get loaded into perfly. I'm just starting out with this, so any
> > help and suggestions would be greatly appreciated.
> >
> > The file (which follows the 15.4 OpenFlight spec) contains the
> > following records in this order:
> > Header record
> > ColorTable record
> > Group Record
> > Push Record
> > Group Record
> > Push Record
> > Text Record
> > Comment Record
> > Pop Record
> > Pop Record
> >
> > The Comment Record contains a single text string and the Text Record's
> > Font name parameter points to paradigmfont.dat. I can see a scene
> > graph in perfly (which I think is a generic scene graph, because the
> > second Group node has no children), but there's nothing on the
> > screen. My questions are: 1) is this the right order of records for
> > a basic text flight file? and 2) What is the best way of annotating an
> > OpenFlight database with text (2d or 3d)?
> >
> > Thank you much,
> > -guillermo
> > ggutierr++at++harris.com
> >
> > What follows is perfly output:
> > -------
> > PF Info: pfdLoadFile_flt: database text.flt
> > PF Info/Resource: loading file text.flt
> > PF Notice/Assert: convTree(Group1) unexpected record 95
> > "text" found.
> > PF
> > PF Info: OpenFlight geometry:
> > PF Performer geometry:
> > PF Libpr data:
> > PF
> > PF Info: OpenFlight hierarchy:
> > PF Groups: 2
> > PF Performer hierarchy:
> > PF Groups: 1
> > PF Cleaned: 2
> > PF Scene-graph statistics:
> > PF loading time: 0.131
> > sec
> > PF
> > PF Info: pfdMakeShared optimizing traversal
> > PF Unique state objects:
> > PF None
> > PF Redundant state objects:
> > PF None
> > PF Performance statistics:
> > PF Elapsed time: 0.000 sec
> > PF
> > PF Info: pfdCombineLayers optimizing traversal
> > PF Performance statistics:
> > PF Elapsed time: 0.000 sec
> > PF
> > PF Info: pfdMakeSharedScene scene pfGeoState
> > traversal
> > PF Performance statistics:
> > PF pfGeoStates: 0
> > PF Elapsed time: 0.000 sec
> > PF
> > PF Info: pfuCollideSetup collision traversal
> > PF Intersection data is cached
> > PF Elapsed time: 0.000 sec
> > PF
> > PF Info: Total scene-graph statistics
> > PF Scene-graph statistics:
> > PF loading time: 0.342
> > sec
> > PF
> > PF Info: Initialized 1 Pipe
> > PF
> > PF Info: pfuDownloadTexList texture processing
> > PF Download totals
> > PF Textures: 0
> > PF Elapsed time: 0.000 sec
> > PF
> > PF Info: scaleFonts 1.00 - Load: 1.41 secs
> > PF Info(33): Initialized 1 Channel
> > PF
> > PF Info: pfuRunProcOn() - Process 20194 running
> > on CPU 0.
> > PF Info: X input process 20194 running for
> > channel 0
> > PF Notice: Using 72Hz video rate.
> > PF Info: Asynchronous X Input process 20194
> > opened on Display :0.0
> > PF Info: scaleFonts 0.99 - Load: 0.87 secs
> > PF Info: scaleFonts - Make Font Bitmaps: 0.19
> > secs
> > PF Notice/Usage: OpenGL Error 0x501 - invalid value
> > PF Notice/Usage: OpenGL Error 0x501 - invalid value
> > PF Notice/Usage: OpenGL Error 0x501 - invalid value
> > ...(goes on forever)
>
> --
> Regards, Simon
> ________________________________________________________________________
>
> Simon Mills
> Silicon Worlds S.A.
> c/o Modelling & Simulation Section (TOS-EMM) Tel: +31 (0)71 565 3725
> European Space Agency (ESA/ESTEC) Fax: +31 (0)71 565 5419
> Postbus 299, 2200AG Noordwijk e-mail: simon++at++wgs.estec.esa.nl
> The Netherlands http://www.estec.esa.nl/wmwww/EMM
> ________________________________________________________________________

begin:vcard
n:Gutierrez;Guillermo
tel;fax:407-984-6323
tel;work:407-984-6543
x-mozilla-html:TRUE
org:Harris Corporation;GCSD
adr:;;;;;;
version:2.1
email;internet:ggutierr++at++harris.com
title:Software Engineer
x-mozilla-cpt:;-19648
fn:Guillermo Gutierrez
end:vcard

New Message Reply Date view Thread view Subject view Author view

This archive was generated by hypermail 2.0b2 on Tue Nov 30 1999 - 07:03:43 PST

This message has been cleansed for anti-spam protection. Replace '++at++' in any mail addresses with the '@' symbol.