Hello,
I'm a beginner with Pix and this is my 1st thread in this forum
Firstly, thank you, Juan and all PixTeam for this powerfull tool!
Secondly, I'm facing some issues, don't know if I'm wrong with my process flow or if I'm reporting some bugs.
I'm shooting with the Fuji X-T20 X-TransIII sensor (it's start pretty bad) and I'm playing with Pix v1.8.8-5 Ripley (x64) under W10.
Shooting conditions under Manual mode (in my m81/m82 field example) are:
1. ImageCalibration process icon:
Ugly "square" pattern (related to green autofocus tracking photosites of X-TransIII sensor?) appears after ImageIntegration under most of ImageCalibration conditions with CFA files (see below, left picture). It seems there is only one set of conditions which eliminate this "daube" (see below, right picture):
2. WBPP (v1.4.5):
If I set exactly the same successfull ImageCalibration conditions (without MasterBias but with optimized MasterDark) and use exactly the same files when I run WBPP, I do not get the same result than after running ImageCalibration process icon:
Because we set exactly the same Debayering parameters.
3. Drizzle Integration after cropping single debayered lights:
I would like to extract the background from single debayered lights in order to eliminate a huge part of the gradients before ImageIntegration.
Before background extraction, I run a Crop step in order to suppress distorted field and vigneting occuring all around calibrated light frames.
So ABE process applied on cropped calibrated light frames does the job with function degree set to 2.
But later in my process flow, after DrizzleIntegration, I get the following result:
This is a part of my initial field with distorted stars and vigneting.
After checking logs in Process Control tab, I realize that DrizzleIntegration use latest CFA frames (calibrated light frame after cosmetic correction in my case), which are not cropped. OK, so I check in Pix forum and I found that it is perfectly normal:
Thank you rjbokleman for the thread and Juan for your clear answer!
So I have moved my Crop step just after the CosmeticCorrection, as the latest process step before Debayer process.
Then I get the following result (and same result with DynamicCrop) after Debayer process (at zoom 1:1 on m82) of the sequence:
It seems that Debayer process doesn't like cropped CFA frames.
Is it normal?
What strategy is recommend for extracting background from single frames before DrizzleIntegration?
Thanks for your reading.
Stéphane.
I'm a beginner with Pix and this is my 1st thread in this forum
Firstly, thank you, Juan and all PixTeam for this powerfull tool!
Secondly, I'm facing some issues, don't know if I'm wrong with my process flow or if I'm reporting some bugs.
I'm shooting with the Fuji X-T20 X-TransIII sensor (it's start pretty bad) and I'm playing with Pix v1.8.8-5 Ripley (x64) under W10.
Shooting conditions under Manual mode (in my m81/m82 field example) are:
- Bias: 100frames - 1/4000s @ 1600 ISO (mechanical shutter)
- Darks: 20frames - 180s @ 1600 ISO (mechanical shutter)
- Lights: 42frames - 180s @ 1600 ISO (mechanical shutter)
1. ImageCalibration process icon:
Ugly "square" pattern (related to green autofocus tracking photosites of X-TransIII sensor?) appears after ImageIntegration under most of ImageCalibration conditions with CFA files (see below, left picture). It seems there is only one set of conditions which eliminate this "daube" (see below, right picture):
- without calibration of darks/MasterDark and lights with MasterBias
- with optimized MasterDark + detect CFA
Left picture is obtained after calibration of darks and lights with MasterBias, showing amp-glow is correctly removed when ugly pattern remains.
Right picture is obtained after only calibration of lights with optimized MasterDark (+detect CFA enabled), showing the ugly pattern is totally removed when amp-glow remains.
So my 1st question is: have you an idea why this ugly pattern is not eliminated when ImageCalibration is done with MasterBias calibration (and with optimized MasterDark + Detect CFA)?
Please note that this "square" pattern can also be eliminated after ImageCalibration with debayered files (lights...).
2. WBPP (v1.4.5):
If I set exactly the same successfull ImageCalibration conditions (without MasterBias but with optimized MasterDark) and use exactly the same files when I run WBPP, I do not get the same result than after running ImageCalibration process icon:
So my 2nde question: have you an idea why WBPP script do not give the same successful results than "manual" process flow (process icons)?Because we set exactly the same Debayering parameters.
3. Drizzle Integration after cropping single debayered lights:
I would like to extract the background from single debayered lights in order to eliminate a huge part of the gradients before ImageIntegration.
Before background extraction, I run a Crop step in order to suppress distorted field and vigneting occuring all around calibrated light frames.
So ABE process applied on cropped calibrated light frames does the job with function degree set to 2.
But later in my process flow, after DrizzleIntegration, I get the following result:
This is a part of my initial field with distorted stars and vigneting.
After checking logs in Process Control tab, I realize that DrizzleIntegration use latest CFA frames (calibrated light frame after cosmetic correction in my case), which are not cropped. OK, so I check in Pix forum and I found that it is perfectly normal:
Drizzle Integration
It's been awhile since I processed an image, but I'm working with 01.08.06.1475 and was going through the rather normal motions of: Cosmetic Correction - Each filter into its own folder ...\CC Subframe Selection - (Using the new tool and I like it over the script before. Much easier!) Each...
pixinsight.com
So I have moved my Crop step just after the CosmeticCorrection, as the latest process step before Debayer process.
Then I get the following result (and same result with DynamicCrop) after Debayer process (at zoom 1:1 on m82) of the sequence:
It seems that Debayer process doesn't like cropped CFA frames.
Is it normal?
What strategy is recommend for extracting background from single frames before DrizzleIntegration?
Thanks for your reading.
Stéphane.