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P3D v5 Texture Filter Editor questions/issues

Clutch Cargo

Clutch Cargo

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unitedstates
I am working my way into the Texture Filter Editor with some questions after my first attempt. With your suggestion, I took some samples of my 1GB image into small 1000x1000 px images, each hovering 3MB max. But since I had created the links with the big tiff originally, I just deleted the single image, and save the TFE to use for the questions below.

1. Looking at my first screenshot, I had placed 3-band geotiff samples. Looking at the Properties pane it says nirChannel 3 and RedChannel 0. Does this mean RedChannel has no band thus "0", or is the Red Channel (infrared) known as channel "0"?

TFE1.jpg
TFE1.jpg

2. If there is no infrared channel in the image, why am I able to see a preview image? Is this just TFE doing its magic and making up for no channel? Or is it using the NirCHannel?

3. So will I see a difference or will the properties be different when I load a 4-band image. Will it produce better results? I haven't gotten that far because of below.

3. Whenever I select another sample image TFE crashes. I just press continue but as soon as I try to select another image... crash message again.

TFE002.jpg
TFE002.jpg

Now here's where it got a little strange, remember I said I originally had a large 1GB image and I had since removed. Well it was still tied to this TFE somhow as I could pan and zoom out of my sample image and see the entire 1GB image.... but it's not loaded anymore! Maybe that is causing the crash?

So I decided to start from scratch. I closed down scenPROC and reopened again TFE but I did not load and previous TFE script. I went to Add Image and dropped the nine sample images. I liked how I could grab all nine at one and did not have to add them individually. But again, as soon as I click on an image TFE would crash showing the error message. No that big red x on the bottom panel, there was an input image icon and an output icon there but I had made no connections yet.

TFE003.jpg
TFE003.jpg
 
Clutch Cargo said:
1. Looking at my first screenshot, I had placed 3-band geotiff samples. Looking at the Properties pane it says nirChannel 3 and RedChannel 0. Does this mean RedChannel has no band thus "0", or is the Red Channel (infrared) known as channel "0"?
Click to expand...
The settings specify which channels contains the red and NIR band. Default is first band (0) for red and fourth band (3) for the NIR. But that assumes you load 4 band imagery. If you have 3 band imagery only or imagery without a NIR band using the NDVI step won't work.
Clutch Cargo said:
2. If there is no infrared channel in the image, why am I able to see a preview image? Is this just TFE doing its magic and making up for no channel? Or is it using the NirCHannel?
Click to expand...
I would have to check the code, but I think it defaults to an all white channel for NIR in that case. So it will show an image, but the values are not actual NDVI values.
Clutch Cargo said:
3. So will I see a difference or will the properties be different when I load a 4-band image. Will it produce better results? I haven't gotten that far because of below.
Click to expand...
As I said above, this step only works if you imagery has a NIR channel. You can't really see in the editor if your imagery has 3 or 4 bands, but as a developer you should know this and build your filter based on that.
Clutch Cargo said:
3. Whenever I select another sample image TFE crashes. I just press continue but as soon as I try to select another image... crash message again.
Click to expand...
I have seen this error message before. It seems to be something with GeoTIFF. Typically I use plain BMP or TIF for the sample images, they don't have to be georeferenced for the texture filter editor.
Clutch Cargo said:
Now here's where it got a little strange, remember I said I originally had a large 1GB image and I had since removed. Well it was still tied to this TFE somhow as I could pan and zoom out of my sample image and see the entire 1GB image.... but it's not loaded anymore! Maybe that is causing the crash?
Click to expand...
I have no idea, I have never seen that before. But the error you mentioned above has nothing to do with the image size.
Clutch Cargo said:
So I decided to start from scratch. I closed down scenPROC and reopened again TFE but I did not load and previous TFE script. I went to Add Image and dropped the nine sample images. I liked how I could grab all nine at one and did not have to add them individually. But again, as soon as I click on an image TFE would crash showing the error message. No that big red x on the bottom panel, there was an input image icon and an output icon there but I had made no connections yet.
Click to expand...
This is the same error as above, I would suggest to not use GeoTIFFs for the samples. This issue is on the todo list, but I haven't been able to find a robust fix yet:

gitlab.com

Attempt to call SetGeoTransform() on a read-only GeoTIFF file. (#3638) · Issues · SceneryDesign.org / ASToFra · GitLab

Version 1.0.0.0 Rev 2691 created 05/02/2014 16:10:55 Memory used 100 MB An unexpected error occured during running your configuration Attempt to call...
gitlab.com gitlab.com
 
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