Gaussian Blur is different when Scaling

Hi Guys,
I have a problem when I scaled one object which has Gaussian Blur effect. Before it is scaled it looks smooth and nice (1st image), however when it is scaled to larger size, the Gaussian Blur does not look the same (2nd image). Please refer to my screen shots for better understanding. Any help and tip is greatly appreciated. Thanks in advance.

David,
Just managing to collect my wits (easier here an hour after midnight).
The Gaussian Blur is fundamentally a Photoshop effect and therefore fails to answer to the Scale Strokes & Effects.
You will need to increase the value as suggested, or you may turn the object into a Symbol before scaling, and then it should behave as you wish.

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Cs4 urgent - gaussian blur have different visualization on same object

Continuing the before post. As i have write before i have copied and pasted an object from one document to another but the gaussian blur effect are visualized in different way, as the image. Why this?

Thank you, i have find where to set this parameter.
I have another question. I'm designing a graphic library for display on touchscreen, is better if i use resolution 72ppi or 300ppi for the raster effects resolution?

Gaussian Blur photoshop effect parameters

Hello,
Im working on svg format exporter, and what I need to do is to export some of AI effects as SVG filters.
I encountered a problem with Effect -> (PhotoshopEffects) Blur -> Gaussian Blur effect.
When getting the effect parameters there is some binary entry in the dictionary and it is not documented naywhere in the docs what type of data it that.
When serializing a document with GaussianBlur effect info fxg foramt, here is what you can find in the xml :
<ai:LiveEffect index="0" major="1" minor="0" name="PSAdapter_plugin_GblR">
    <ai:Dict data="B go 1 I PrevDres 300 I dataSize 24 ">
        <ai:Entry name="data" value="AAAAAVJkcyAAAAAAZG91Yj/xmZmgAAAA" valueType="N"/>
    </ai:Dict>
</ai:LiveEffect>
Attribute value holds the binary data describing the GaussianBlur effect with radius set to 1,1 value.
Can anybody tell how to decode the binary data so that I could dig out the radius value from it?
Thanks in advance,
Rafał

Ok, I found the problem so will leave the solution, maybe somebody will also need this.
So the value attribute value="AAAAAVJkcyAAAAAAZG91Yj/xmZmgAAAA" is base64 encoded.
When decoded it presents sth like this, where dots "." are zeros (actually below presented data represents gaussian blur effect data for radius == 2, not 1,1 like in previous post):
....Rds ....doub@.......
this is same data in hex
00 00 00 01 52 64 73 20 00 00 00 00 64 6f 75 62 40 00 00 00 00 00 00 00
and last 8 bytes represents a double number in big endian:
@....... == 40 00 00 00 00 00 00 00
Im working on windows, so after switching it to little endian we get
.......@ or 00 00 00 00 00 00 00 40
which is our radius in double format.
To be more precise the initial number in the binary data is typeIEEE64BitFloatingPoint, and can be googled in some Python/Apple's header files, here for instance http://svn.python.org/projects/python/trunk/Lib/plat-mac/Carbon/AppleEvents.py.
Cheers

Layered PSD files getting corrupted when applying a gaussian blur.

A file is created then three layers to keep simple a red square is created using the marquee tool then filled with a colour this is repeated on the next layer with a different colour then the third layer is completely filled with another colour.
The first two layers are selected and scaled then made transparent.
Finally the layer in between layer 3 and layer 1 is selected and a gaussian blur is applied this is when the corruption occurs
Files are being created using Adobe Photoshop CS6 version v13.0.6 and OSX v10.9.3 on Mac Pro with the below specs:
Model Name: Mac Pro
Model Identifier: MacPro5,1
Processor Name: Quad-Core Intel Xeon
Processor Speed: 2.8 GHz
Number of Processors: 1
Total Number of Cores: 4
L2 Cache (per Core): 256 KB
L3 Cache: 8 MB
Memory: 12 GB
Processor Interconnect Speed: 4.8 GT/s
ATI Radeon HD 5870:
Chipset Model: ATI Radeon HD 5870
Type: GPU
Bus: PCIe
Slot: Slot-1
PCIe Lane Width: x16
VRAM (Total): 1024 MB
Vendor: ATI (0x1002)
Device ID: 0x6898
Revision ID: 0x0000
ROM Revision: 113-C0780C-194
EFI Driver Version: 01.00.436
Displays
CG277:
Resolution: 2560 x 1440
Pixel Depth: 32-Bit Color (ARGB8888)
Main Display: Yes
Mirror: Off
Online: Yes
Rotation: Supported
Connection Type: DisplayPort
After file is corrupted Photoshop has to be closed and re-opened because subsequent files that are opened are corrupted.
This has been reported in CS5 and CS5.5 extensively but not so much in CS6.

Below is the steps that where used to create the corruption in the files.
Gausian Blur corruption in Photoshop
Step 1. Create document with 3 layers + Background.
Step 2. Layer 3 - Create a box (Red)
Step 3. Layer 2 - Create a box (Blue)
Step 4. Layer 1 – Fill layer (Yellow)
Step 5. Select layer 3 & 2 & scale down & press
return
Step 6. Change opacity of layer 1 & 2 to 25%
Step 7. Go to layer 2 and select Gaussian Blur filter
Please Note that the blue & Red Box Have changed
colour.
As I Zoom in and out the corruption gets worse.
Sometimes this corruption dose’nt show up until you have
saved & reopened the file.

Gaussian Blur keyframes on timeline - RIDICULOUS scaling

When adding keyframes to Gaussian Blur ...
If I view those keyframes on the timeline, it's bloody useless, because the scaling factor is absurd!
The range on the timeline is 0 - 30,000 !!
WHY?
No one uses gaussian blur with more than 100, maybe 200. Why does it go to 30,0000?
Do they have any editors working over there at Adobe?

He's talking about using the rubberband keyframe UI from within a clip in the timeline. If you apply gaussian blur, click the effects icon (in the clip header) then set the effect display to Gausiian Blur > Blurriness, then you can drag the line up to the top which will indeed show a value of 30000.
It happens this way because the timeline's rubberband UI is not optimized to control each and every effect parameter in the ideal way. Some value has to be chosen as a max for the rubberband to display and that max does nto always match what the user would do. But your problem is valid, and the need for improved effects controls has been heard. Please do submit your own feature request for it though if you want.
The workwround is to use the effects controls panel's paremeter hot text, which is not confined by a vertical ceiling. This is the ideal method for full control over applied effect. In my experience, the rubberbands work best for things like volume, speed and opacity, where there's as many variables, and you just need a way to visualize the ups and downs.

I'm trying to isolate skin with a secondary layer and am successful. I want to blur the skin to reduce blemishes but when doing so the blur and degrain sliders don't seem to have an effect. Can I apply a gaussian blur fx on just that secondary? Can't see

I'm trying to isolate skin with a secondary layer and am successful. I want to blur the skin to reduce blemishes but when doing so the blur and degrain sliders don't seem to have an effect. Can I apply a gaussian blur fx on just that secondary? Can't seem to figure this out. Is there a better way to smooth skin?

Here's an Adobe help page for isolating skin with suggestion on the use of the blur slider also:
https://helpx.adobe.com/speedgrade/using/apply-secondary-color-corrections.html
And here's one of the original creators of Iridas/SpeedGrade, Patrick Palmer, a six minute vid-tut on using secondaries (specifically in CS6 but this hasn't changed):
http://tv.adobe.com/watch/learn-speedgrade-cs6/secondary-color-correction-in-speedgrade-cs 6/
I'd note, the "blur" and "denoise" tools on the Secondary tab are more about smoothing the keying of the secondary ... they apply a bit of blur or de-noising to make the secondary smoother and cover over the odd pixel or three or four that don't "fit" the key of the secondary in the middle of something you're aiming for.
In current SpeedGrade, I'd try using the Guassian Blur (Range) effect, and sample a good range of the skin tones.
And a lot of people use Red Giant's "Cosmo" plug-in over in AfterEffects or Premiere Pro ... it's a tool designed specifically for working skin tones, dealing with blemishes, wrinkles, spots, and such.
Neil

Gaussian Blur effect causing black frames when rendered.

I am only using one effect in my video, its the gaussian blur, and in the previewer it shows the effect being applied, however it shows random black frames in the previewer, I thought this was just a random previewer issue.
I then rendered the video but when the blur effect is being applied it is showing random black frames in the video.

Talked to customer support and found out that it was a duplicate Gaussian Blur effect on the same frame causing it to have some issues sigh*
But thank you for the info about the media cache, I did not know about that.

Photoshop 12.1 corruption when using gaussian blur

Is there a fix for the Photoshop 12.1 corruption when using gaussian blur

It's not a crash per se... when using the gassian blur filer at some but not all times the file will becomse corrupted.. it comes up with large flat panels of color. After that point asnything done to the file is destroyed. You have to go back to the last saved versioin of the file. There are many notes on the web about this issue.. It has been occuring since I started with 12.1 about a year ago. Never occurred on other PS apps.
You have to quite the app and re-launch. Then it works. There is no crash report to make.

Gaussian Blur in Photoshop CS5 Corrupting files

We just got brand new systems at work less than a month ago and this event has happened twice since then. When using Photoshop CS5 Extended and using Gaussian blur the file becomes blocky and all layers as well as their masks become corrupted with these blocks. Can anyone help or is there any advice?
Here are my system specs...
Model Name:    Mac Pro
Model Identifier:    MacPro5,1
Processor Name:    6-Core Intel Xeon
Processor Speed:    2.66 GHz
Number Of Processors:    2
Total Number Of Cores:    12
L2 Cache (per core):    256 KB
L3 Cache (per processor):    12 MB
Memory:    16 GB
Processor Interconnect Speed:    6.4 GT/s
Boot ROM Version:    MP51.007F.B00
SMC Version (system):    1.39f11
SMC Version (processor tray):    1.39f11

I'm getting this same issue - or a similar one. It seems to only happen when I run the Gaussian blur command, and during the same process in my workflow. It also seems for me to happen when I have made a selection from a layer above that is a smart object.
Let me describe the scenario that I have experienced a couple times in the past week. (BTW I just upgraded to CS5 only a couple weeks ago).
Usually I have a document open with dozens or hundreds of layers. The effect that I am executing when this seems to happen is where I have a group of shapes or placed image smart object layer and I'm creating a shadow layer by making a blank layer below said group or image, making a selection from the above group or image, and then filling the selection in the blank layer with a color - which I then run the Gaussian blur filter on, and afterward warp transform to get my realistic looking shadow effect.
But the problem is in seemingly random instances and on seemingly random documents when I run that Gaussian blur, Photoshop freaks out and craps the bed. And by craps the bed I mean deletes pixel data from multiple layers in my document very randomly, and also generates odd bright colors all throughout the document.
You can see the initial freak out in this screen shot from when I just initially selected the Gaussian blur filter from the menu (but had not yet even clicked "OK"): http://cl.ly/3KTx . The strange thing is that I had just run this series of steps on the above layer which in the screen shot you'll see as "Layer 44", and all was well.
Here's a screen shot showing the file after I closed it out, restarted Photoshop, and opened the file back up: http://cl.ly/3K2C . In case you can't tell, data from several layers all over the file is missing and corrupted.
I'm sure I don't have to explain how exasperating this is, as this represents more than a year's worth of work on a client project, no joke. Fortunately I'm mostly done with the actual site build, but that makes the loss of the artwork files of no less consquence - especially seeing as how I'm not ACTUALLY finished and I did in fact need all of that data to complete the project.
Anyhow, some additional details which may or may not be related to the issue:
- The issue seems to happen randomly. As stated above the same steps did not produce the error just a few minutes before.
- I have had this issue with another file this week where I was doing the same processes on another shape.
- It seems that this is occuring when I make the selection from a layer that is a smart object of some type
- I also noticed artifacts in the weird colors (after I tried running the processes again, so not in the above screenshot) that were actually design elements from an entirely different document that I was working with earlier this evening.
- I have filed a bug report.
Dunno what else to describe, but I hope you guys can get this figured out, seriously. I paid way too much for my upgrade to CS5 to have bugs in key software features corrupt my files thank you.
Also, in regards to my system...
Model Name: Mac Pro
Model Identifier: MacPro4,1
Processor Name: Quad-Core Intel Xeon
Processor Speed: 2.26 GHz
Number Of Processors: 2
Total Number Of Cores: 8
L2 Cache (per core): 256 KB
L3 Cache (per processor): 8 MB
Memory: 16 GB
Processor Interconnect Speed: 5.86 GT/s
Boot ROM Version: MP41.0081.B07
SMC Version (system): 1.39f5
SMC Version (processor tray): 1.39f5
Chipset Model: NVIDIA GeForce GT 120
Type: GPU
Bus: PCIe
Slot: Slot-1
PCIe Lane Width: x16
VRAM (Total): 512 MB
Vendor: NVIDIA (0x10de)
Device ID: 0x0640
Revision ID: 0x00a1
ROM Revision: 3386
Displays:
Display Connector:
Status: No Display Connected
LED Cinema Display:
Resolution: 1920 x 1200
Pixel Depth: 32-Bit Color (ARGB8888)
Main Display: Yes
Mirror: Off
Online: Yes
Rotation: Supported
Connection Type: DisplayPort

Blurry when scaling in.. Continually rasterize already on..

I have a question about After Effects and resolution/pixelation. I'm creating a kinetic typography video, where text comes on to the screen. I am doing a lot of scaling/zooming and when I do, the pixelation/resolution is completely ruined and you can barely even read the text.. I have been doing some research on this and everyone says to turn on continually rasterize all of the vector layers, and they are already and it is still blurring when I zoom in.
Here is a preview.. Is there anything I can do to reduce the bluriness when I zoom in?

Can't see the video due to the music copyright restrictions, but I would suspect you are using something that causes rasterization even in AI. Anything from clipping masks to pixel-based effects like drop shadows or Gaussian blur. Anyway, probably perfectly normal and correct the way AE handles it. So unless you change the setup in AI, it will stay this way...
Mylenium

Script to Edit Gaussian Blur Effect

Hello
I have a complex piece of artwork which has to be scaled up by a factor of 10. No problem except the Gaussian Blur Effect will not scale.
Rather than go through each path and edit the blur amount (by a factor of 10) I had hoped I could write a script which would iterate through every path and if it had a Gaussian Blur Effect edit the value.
Looking in the AppleScript dictionary and online I can't see any way of accessing a path's Appearance or Effects.
I would be very grateful for some advice on this before I start the tedious process of manually changing the values.
Regards
Chris

Hello Mark
Thanks for your prompt reply. I thought as much. It's disappointing really.
The select filters will not unfortunately be helpful because the blurs are different so I can't select all blurred items because I don't want to set them all the same and equally I can't pick one and select all with the same blur amount because I don't know if I have changed all of the items.
I've just got my head down and am selecting them all individually and editing them!
Regards
Chris

How to put gaussian blur in background of portrait in PSE 8

I have just spent four hours trying to blur the background of a portrait. Should be a simple task but something goes wrong. I make a duplicate layer, but when I try to gaussian blur the layer, it just goes to checkerboard. And the preview screen for gaussian blur goes black. Am I doing something wrong, or is there a glitch with the program?

Hi,
Are you creating two different layers of main object and background... Also make sure that appropriate transparency is porvided in each layer...

Scale gaussian blur

Hi there people,
I created a logo in illustrator with 2 gaussian blurs. I have a normal thin path with a stroke of 2px and a gaussian blur applied.
It all looks good, but when I scale the logo real big or small, the gaussian blur doesn't scale equally.
Can you tell me how I can set the layer/blur so it whill be exactly the same in any resolution?
I understand it happens because the gaussian blur is a photoshop non-vector based effect. this way the blur doesn't scale up or down.
is there any other way to get a similair blur in illustrator? (or any other solution)
greets,
jeroen

Hey Folks -- I'm working on CS3 (mac) and we're having the same problem with scaling the gaussian blur. I checked the prefs and made sure "scale strokes and effects" was checked off as an option but it's still not working. Could that be because the original was done as a filter and not an effect? How can you tell which method was used?
Jen

Doc Raster Effects on gaussian blur

CS5, Mac 10.8.4.
We inherited a design at doc raster effects of 72 dpi, using a light blue PMS 291 arch shape that was gaussian blurred to make a soft arched gradient.
Changed doc raster effects to 300 dpi, and the gradient turned into a solid of PMS 291. I edited the 90 gaussian blur amount to 21.6 = (90 * 72)/300. That did not look right as the gradient was not soft but hard. Kept tweaking the gradient to find that it looked best at 59, when we went to 60 pixels then the gradient jumped to a solid lt blue with no gradient. Printed the 59 gaussian blue, and it looked like this coming out of our DC 240 color xerox laser printer (photoshopped to simulate, basically the gradient ends with a hard wave.)
So I said enough of this, I do not like the gaussian blur and wish Illustrator did not even have that as and option cause for final work causes to much trouble. Rebuilt this as a 3 step blend in PMS 291. Looked great on screen, but also printed like the second screen shot. Anyone have any idea what I can do. I am totally fine with getting rid of the gaussian blur, as we will be having many more new packaging coming in different sizes that will need this arched gradient.
Here are my doc raster effect settings. Would like to know more about anti alias and the create clipping mask option. My question though is how to get rid of gradient ending hard.

Seems the best I can do is to rebuild this gradient in Photoshop as a spot channel, so that I get a soft ending.
If anyone from Adobe or the forums has any input about this do raster effects setting, and how to calculate a gaussian blur that looks the same at 72 or 300 dpi.

Gaussian blur-- posterization

Hi all-
In a current project, I'm using some blurring effects through time (either a shot starts off blurry and comes into focus, or the reverse direction). All of the raw footage starts out completely in focus.
I have been using the "Gaussian Blur" effect in FCP, but I'm finding that as the blur amount changes through time, the image gets very posterized (i.e. distinct color bands, rather than gradual color shift), especially if there is motion in the shot that I'm blurring.
Does anyone recommend a way to eliminate the posterization artifacts, or a different effect or plug-in that will accomplish my image blurs with a more natural-lens look and quality?
Thanx gang.
-Chris

Yup, that's it, Jerry.
But in another FCP group, a listserve, I belong to, in a recent thread about 10-bit video in Final Cut, some well respected professionals did some testing. Oliver Peters posted this reply:
OK, I've had a chance to get back to this and ran another test this morning. SD input from DBeta to Kona2 using bars from DBeta tape. Captured bars both as 8-bit and 10-bit
media. Created 5 timelines:
1. 8-bit with 8-bit processing
2. 8-bit with HPYUV processing
3. 10-bit with 10-bit processing
4. 10-bit with HPYUV processing
5. 10-bit with 8-bit processing
Applied 3-way CC to the clips and compared no effect, effect rendered and effect previewed (not rendered). When you leave the CC settings at default, i.e. no adjustments, all timelines and all combinations of rendered, unrendered and no effect match each other on the scopes. (Note, that there was a very slight change on the 8-bit processing in the
10-bit timeline.) However, when you actually change the settings, i.e. apply CC changes, then ALL 10-bit and HPYUV combinations show a shift between rendered and preview of
the effect. The ONLY timeline where there was no change was #1, 8-bit with 8-bit processing. Also the 8-bit within the 10-bit timeline had extremely little change, but of course you take a hit stepping down to 8-bit processing. The changes that I saw were minor luma shifts (mainly in the midrange) and subtle vector shifts.
Quad-core G5 5GB RAM, Aja Io-LA, FCS 5.1 Mac OS X (10.4.6) Lots of toys

Gaussian Blur is different when Scaling

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