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IMG data error

Started by archonforest, May 30, 2014, 08:53:17 AM

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archonforest

May 30, 2014, 08:53:17 AM
I try to open an *.img file with TG. It gives a "Parse error at line 1: not well-formed(invalid token)" error.
I got the file from USGS. Does anyone knows what is this error means or there is any other way to import this file into TG?
Dell T5500 with Dual Hexa Xeon CPU 3Ghz, 32Gb ram, GTX 1080
Amiga 1200 8Mb ram, 8Gb ssd

Matt

#1
May 30, 2014, 04:42:59 PM
How are you loading it? With the Geog Image Map Shader?

Matt
Just because milk is white doesn't mean that clouds are made of milk.

archonforest

#2
May 31, 2014, 07:34:22 AM
Not like that...
...but I cannot locate that shader u mentioning. I can see the Image Map Shader under the Color Shader and under the Displacement Shader.... ???
Dell T5500 with Dual Hexa Xeon CPU 3Ghz, 32Gb ram, GTX 1080
Amiga 1200 8Mb ram, 8Gb ssd

kalwalt

#3
May 31, 2014, 10:54:42 AM
QuoteNot like that...
...but I cannot locate that shader u mentioning. I can see the Image Map Shader under the Color Shader and under the Displacement Shader.... ???
Which version of TG are you using? in the last v.3.1 is located under shader/displacement shader...
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archonforest

#4
May 31, 2014, 10:57:28 AM
v 3.0 free....
that cannot take this file?
Dell T5500 with Dual Hexa Xeon CPU 3Ghz, 32Gb ram, GTX 1080
Amiga 1200 8Mb ram, 8Gb ssd

bobbystahr

#5
June 01, 2014, 01:27:07 PM
Quote from: archonforest on May 31, 2014, 07:34:22 AM
Not like that...
...but I cannot locate that shader u mentioning. I can see the Image Map Shader under the Color Shader and under the Displacement Shader.... ???

Try here
something borrowed,
something Blue.
Ring out the Old.
Bring in the New
Bobby Stahr, Paracosmologist

archonforest

#6
June 01, 2014, 01:30:42 PM
Thx but I do not have that menu point :o
Maybe 'coz I use TG3 free???
Dell T5500 with Dual Hexa Xeon CPU 3Ghz, 32Gb ram, GTX 1080
Amiga 1200 8Mb ram, 8Gb ssd

bobbystahr

#7
June 01, 2014, 01:59:02 PM
Quote from: archonforest on June 01, 2014, 01:30:42 PM
Thx but I do not have that menu point :o
Maybe 'coz I use TG3 free???

you should as that's what this screen grab is out of...also too poor for the full version
something borrowed,
something Blue.
Ring out the Old.
Bring in the New
Bobby Stahr, Paracosmologist

archonforest

#8
June 01, 2014, 02:21:03 PM
i will download TG3 free again...maybe I miss an update :D
Dell T5500 with Dual Hexa Xeon CPU 3Ghz, 32Gb ram, GTX 1080
Amiga 1200 8Mb ram, 8Gb ssd

archonforest

#9
June 01, 2014, 02:53:34 PM
Okay I downloaded again and it is okay now. Can someone tell me what to do after u loaded the IMG file? Need to apply some displacement? I cannot really see it...
Dell T5500 with Dual Hexa Xeon CPU 3Ghz, 32Gb ram, GTX 1080
Amiga 1200 8Mb ram, 8Gb ssd

bobbystahr

#10
June 01, 2014, 03:08:11 PM
Quote from: archonforest on June 01, 2014, 02:53:34 PM
Okay I downloaded again and it is okay now. Can someone tell me what to do after u loaded the IMG file? Need to apply some displacement? I cannot really see it...

sorry, have never used a .img file so have none to load or I'd work it out
something borrowed,
something Blue.
Ring out the Old.
Bring in the New
Bobby Stahr, Paracosmologist

jo

#11
June 01, 2014, 05:03:34 PM
Hi,

My guess is that the .IMG file is a DEM/terrain file. Where did you get it from? If it is a DEM then you want to load it with the Geog heightfield load node, which should do the right thing with it regarding displacement. You can add a Geog heightfield load node by choosing "Heightfield (load DEM)" from the "Add Terrain" button in the Terrain node list.

Regards,

Jo

Oshyan

#12
June 01, 2014, 09:36:33 PM
It may have Georeferencing enabled by default, which could put it very far away from the camera right away after it loads. Edit the Geog Heightfield Load node and disable Auto-Georeference From File as a test. If you see the terrain at that point, you can determine if georeferencing is useful for you and if so, you will need to find where the terrain is placed when it is enabled. You can try starting with the "Center on object or shader" function on the pop-up menu when you right-click in the 3D Preview.

- Oshyan

archonforest

#13
June 02, 2014, 09:58:16 AM
Quote from: jo on June 01, 2014, 05:03:34 PM
Hi,

My guess is that the .IMG file is a DEM/terrain file. Where did you get it from? If it is a DEM then you want to load it with the Geog heightfield load node, which should do the right thing with it regarding displacement. You can add a Geog heightfield load node by choosing "Heightfield (load DEM)" from the "Add Terrain" button in the Terrain node list.

Regards,

Jo

Thx for the usefull data Jo and Oshyan :D
It worked. I used the Heightfield load(DEM) function and TG imported the data. Otherwise I got the dta from the USGS site! Major breakhtrough :D :D
Dell T5500 with Dual Hexa Xeon CPU 3Ghz, 32Gb ram, GTX 1080
Amiga 1200 8Mb ram, 8Gb ssd

Altbier

#14
July 12, 2014, 07:47:38 PM
Is there a DEM load size limitation to the free version?  I am running 3.1 (32-bit) and have only been able to successfully load 2 different 1/9arc .img files from USGS.  Both have been 105MB or less.  All other files that I have tried, .img, .adf, and .flt, are 1/3arc and larger than 129MB cause Terragen to immediately exit to the desktop.  Any ideas?
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