POV-Ray : Newsgroups : povray.beta-test : "Unknown image type" using png's in height-field Server Time
12 Nov 2024 16:27:22 EST (-0500)
  "Unknown image type" using png's in height-field (Message 1 to 3 of 3)  
From: Marc-Hendrik Bremer
Subject: "Unknown image type" using png's in height-field
Date: 30 Sep 2001 07:18:19
Message: <3bb6ff7b@news.povray.org>
Hi!

Sorry if this was reported/fixed before (it's not in Rune's list afaik).
Using a png in a height_field fails for me. Instead I get

Parse Error: Unknown image type in image_height_at.

The png renders fine as a height_field in Mega 0.6a and is loaded correct in
Micrografx Picture Publisher.
I post it to p.b-t.binaries if it's not a general png-problem.

Marc-Hendrik

PII 450, 128 MB, Win 98, Pov 3.5 beta 4

---------- Testscene --------------
camera
{
  location  <0.0, 1.09, -5.0>
  angle 56
  look_at   <0.5, 2.1,  0.0>
}

sky_sphere
{
  pigment
  {
    gradient y
    color_map { [0.0 color rgb 0.2] [1.0 color blue 0.3] }
    turbulence 0.2

  }
}

light_source
{
  0*x // light's position (translated below)
  color <0.8,0.8,1>/3.5  // light's color
  translate <-30, 3000, -450>
}

// ----------------------------------------
height_field
{
  png
  "HFProbe.png"     // Can be found in povray.beta-test.binaries!
  scale <40,7,100>
  texture {pigment {color red 0.207941 green 0.407941 blue 0.207941}
           normal {bumps 0.01 scale 1}
  }
  translate <-22.5,-3.37,-60>
}


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From: Rune
Subject: Re: "Unknown image type" using png's in height-field
Date: 30 Sep 2001 08:10:05
Message: <3bb70b9d$1@news.povray.org>
"Marc-Hendrik Bremer" wrote:
> Sorry if this was reported/fixed before

Apparently it's fixed for the next beta:
http://news.povray.org/slrn9qvqpq.f7.ron.parker@fwi.com

The list of known bugs does currently not contain bugs that have been fixed
(or at least I don't know of it), but from the next beta is released I'll
begin to include them in the list and mark them fixed.

Rune
--
3D images and anims, include files, tutorials and more:
Rune's World:    http://rsj.mobilixnet.dk (updated June 26)
POV-Ray Users:   http://rsj.mobilixnet.dk/povrayusers/
POV-Ray Webring: http://webring.povray.co.uk


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From: Marc-Hendrik Bremer
Subject: Re: "Unknown image type" using png's in height-field
Date: 30 Sep 2001 08:21:55
Message: <3bb70e63@news.povray.org>
Ok, thanks! Sorry for reporting this a second time. Although I read all the
posts here, it is really hard to find or remember every issue, esp. if it is
reported together with other problems in one post. Your list is really
helpful in this and I want to thank you for your work.

Marc-Hendrik

Rune schrieb in Nachricht <3bb70b9d$1@news.povray.org>...
>"Marc-Hendrik Bremer" wrote:
>> Sorry if this was reported/fixed before
>
>Apparently it's fixed for the next beta:
>http://news.povray.org/slrn9qvqpq.f7.ron.parker@fwi.com
>
>The list of known bugs does currently not contain bugs that have been fixed
>(or at least I don't know of it), but from the next beta is released I'll
>begin to include them in the list and mark them fixed.
>
>Rune
>--
>3D images and anims, include files, tutorials and more:
>Rune's World:    http://rsj.mobilixnet.dk (updated June 26)
>POV-Ray Users:   http://rsj.mobilixnet.dk/povrayusers/
>POV-Ray Webring: http://webring.povray.co.uk
>
>


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