Brush strokes become jagged after a few seconds

Explorer ,
Apr 02, 2014

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I've tried just about everything to narrow down and eliminate this problem, with no luck.

When I first start PS and paint a line with a simple hard round brush, it's nice and smooth. After about 15 seconds (or 4-5 lines), the lines become jagged.They're not pixely - it's more like what happens if you have smoothing turned off. The effect is more pronounced when I paint zoomed out, as if the input data is constrained to the zoomed out pixel size.

This is not a tablet problem - it happens with the mouse as well.

It does not happen with the lasso selection tool, so it seems limited to the brush tool.

Here's an image showing a series of brushstrokes, going from left to right.  You can see how the stroke quality degrades from the first stroke (on the left) which is nice and smooth, to the strokes on the right which are jagged.  You need to view the image at 100% to see what's happening clearly.

PS jagged lines4.jpg

The fact that this problem doesn't appear when I first start the program, then creeps in, is really perplexing!  Once it starts it never goes away.

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1 Correct Answer

Most Valuable Participant , Apr 04, 2014
JJMack Most Valuable Participant , Apr 04, 2014

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Adobe Community Professional ,
Apr 05, 2014

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Clip Studio is a new app on me, but it looks interesting.  My normally pants connection is worse than ever this evening, and it is difficult researching things, so can you outline the difference between the $50 standard, and $220 EX versions?  Which do you use?

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Most Valuable Participant ,
Apr 04, 2014

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What does your system look like.  To tell you the truth I don't seem to be having any of the problems you are having with the mouse or Wacom pen.    I don't like installing Plug-in I have no intention of using.  Particulart Photoshop Plug-in for I keep plug-ins outside any Adobe folder and plug-installers a tend to install the plug-in in every version of Photoshop they find installed.  I just download a trial of LN and after it installed I removed all the plug-in it installed into different version of Photoshop one my system.  I copies the 32bit and 64Bit plug-ins into my Photoshop plug-ins trees.  My windows workstation is good but not top of the line good.  I do not see the jitter you seem to be getting with or without the plug-in enabled,  I'm no artiest all I can do is scribble fast and slow,  I do not see bad jitter. Here is what my system looks like and what I see when I scribble fast and slow.

Adobe Photoshop Version: 14.2.1 (14.2.1 20140207.r.570 2014/02/07:23:00:00) x64

Operating System: Windows 7 64-bit

Version: 6.1 Service Pack 1

System architecture: Intel CPU Family:6, Model:13, Stepping:7 with MMX, SSE Integer, SSE FP, SSE2, SSE3, SSE4.1, SSE4.2, HyperThreading

Physical processor count: 12

Logical processor count: 24

Processor speed: 1995 MHz

Built-in memory: 40886 MB

Free memory: 34973 MB

Memory available to Photoshop: 37151 MB

Memory used by Photoshop: 95 %

Image tile size: 1028K

Image cache levels: 4

Font Preview: Extra Large

TextComposer: Latin

Display: 1

Display Bounds: top=0, left=0, bottom=1080, right=1920

Display: 2

Display Bounds: top=0, left=-1360, bottom=768, right=0

OpenGL Drawing: Enabled.

OpenGL Allow Old GPUs: Not Detected.

OpenGL Drawing Mode: Advanced

OpenGL Allow Normal Mode: True.

OpenGL Allow Advanced Mode: True.

AIFCoreInitialized=1

AIFOGLInitialized=1

OGLContextCreated=1

NumGPUs=1

gpu[0].OGLVersion="3.0"

gpu[0].MemoryMB=2048

gpu[0].RectTextureSize=16384

gpu[0].Renderer="Quadro 4000/PCIe/SSE2"

gpu[0].RendererID=1757

gpu[0].Vendor="NVIDIA Corporation"

gpu[0].VendorID=4318

gpu[0].HasNPOTSupport=1

gpu[0].DriverVersion="9.18.13.3276"

gpu[0].Driver="nvd3dumx.dll,nvwgf2umx.dll,nvwgf2umx.dll,nvd3dum,nvwgf2um,nvwgf2um"

gpu[0].DriverDate="20140304000000.000000-000"

gpu[0].CompileProgramGLSL=1

gpu[0].TestFrameBuffer=1

gpu[0].OCLPresent=1

gpu[0].OCLVersion="1.1"

gpu[0].CUDASupported=1

gpu[0].CUDAVersion="6.0.1"

gpu[0].OCLBandwidth=7.47813e+010

gpu[0].glGetString[GL_SHADING_LANGUAGE_VERSION]="4.40 NVIDIA via Cg compiler"

gpu[0].glGetProgramivARB[GL_FRAGMENT_PROGRAM_ARB][GL_MAX_PROGRAM_INSTRUCTIONS_ARB]=[65536]

gpu[0].glGetIntegerv[GL_MAX_TEXTURE_UNITS]=[4]

gpu[0].glGetIntegerv[GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS]=[192]

gpu[0].glGetIntegerv[GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS]=[32]

gpu[0].glGetIntegerv[GL_MAX_TEXTURE_IMAGE_UNITS]=[32]

gpu[0].glGetIntegerv[GL_MAX_DRAW_BUFFERS]=[8]

gpu[0].glGetIntegerv[GL_MAX_VERTEX_UNIFORM_COMPONENTS]=[4096]

gpu[0].glGetIntegerv[GL_MAX_FRAGMENT_UNIFORM_COMPONENTS]=[2048]

gpu[0].glGetIntegerv[GL_MAX_VARYING_FLOATS]=[124]

gpu[0].glGetIntegerv[GL_MAX_VERTEX_ATTRIBS]=[16]

gpu[0].extension[AIF::OGL::GL_ARB_VERTEX_PROGRAM]=1

gpu[0].extension[AIF::OGL::GL_ARB_FRAGMENT_PROGRAM]=1

gpu[0].extension[AIF::OGL::GL_ARB_VERTEX_SHADER]=1

gpu[0].extension[AIF::OGL::GL_ARB_FRAGMENT_SHADER]=1

gpu[0].extension[AIF::OGL::GL_EXT_FRAMEBUFFER_OBJECT]=1

gpu[0].extension[AIF::OGL::GL_ARB_TEXTURE_RECTANGLE]=1

gpu[0].extension[AIF::OGL::GL_ARB_TEXTURE_FLOAT]=1

gpu[0].extension[AIF::OGL::GL_ARB_OCCLUSION_QUERY]=1

gpu[0].extension[AIF::OGL::GL_ARB_VERTEX_BUFFER_OBJECT]=1

gpu[0].extension[AIF::OGL::GL_ARB_SHADER_TEXTURE_LOD]=1

License Type: Subscription

Serial number: 96040035116912554961

Application folder: C:\Program Files\Adobe\Adobe Photoshop CC (64 Bit)\

Temporary file path: C:\Users\JOHNJM~1\AppData\Local\Temp\

Photoshop scratch has async I/O enabled

Scratch volume(s):

  E:\, 3.64T, 3.23T free

  F:\, 465.2G, 181.3G free

  C:\, 224.2G, 113.6G free

Required Plug-ins folder: C:\Program Files\Adobe\Adobe Photoshop CC (64 Bit)\Required\Plug-Ins\

Primary Plug-ins folder: C:\Program Files\Adobe\Adobe Photoshop CC (64 Bit)\Plug-ins\

Installed components:

   ACE.dll   ACE 2013/10/29-11:47:16   79.548223   79.548223

   adbeape.dll   Adobe APE 2013/02/04-09:52:32   0.1160850   0.1160850

   AdobeLinguistic.dll   Adobe Linguisitc Library   7.0.0  

   AdobeOwl.dll   Adobe Owl 2013/10/25-12:15:59   5.0.24   79.547804

   AdobePDFL.dll   PDFL 2013/10/29-11:47:16   79.508720   79.508720

   AdobePIP.dll   Adobe Product Improvement Program   7.0.0.1786  

   AdobeXMP.dll   Adobe XMP Core 2013/10/29-11:47:16   79.154911   79.154911

   AdobeXMPFiles.dll   Adobe XMP Files 2013/10/29-11:47:16   79.154911   79.154911

   AdobeXMPScript.dll   Adobe XMP Script 2013/10/29-11:47:16   79.154911   79.154911

   adobe_caps.dll   Adobe CAPS   7,0,0,21  

   AGM.dll   AGM 2013/10/29-11:47:16   79.548223   79.548223

   ahclient.dll    AdobeHelp Dynamic Link Library   1,8,0,31  

   aif_core.dll   AIF   5.0   79.534508

   aif_ocl.dll   AIF   5.0   79.534508

   aif_ogl.dll   AIF   5.0   79.534508

   amtlib.dll   AMTLib (64 Bit)   7.0.0.249 BuildVersion: 7.0; BuildDate: Thu Nov 14 2013 15:55:50)   1.000000

   ARE.dll   ARE 2013/10/29-11:47:16   79.548223   79.548223

   AXE8SharedExpat.dll   AXE8SharedExpat 2011/12/16-15:10:49   66.26830   66.26830

   AXEDOMCore.dll   AXEDOMCore 2011/12/16-15:10:49   66.26830   66.26830

   Bib.dll   BIB 2013/10/29-11:47:16   79.548223   79.548223

   BIBUtils.dll   BIBUtils 2013/10/29-11:47:16   79.548223   79.548223

   boost_date_time.dll   DVA Product   7.0.0  

   boost_signals.dll   DVA Product   7.0.0  

   boost_system.dll   DVA Product   7.0.0  

   boost_threads.dll   DVA Product   7.0.0  

   cg.dll   NVIDIA Cg Runtime   3.0.00007  

   cgGL.dll   NVIDIA Cg Runtime   3.0.00007  

   CIT.dll   Adobe CIT   2.1.6.30929   2.1.6.30929

   CITThreading.dll   Adobe CITThreading   2.1.6.30929   2.1.6.30929

   CoolType.dll   CoolType 2013/10/29-11:47:16   79.548223   79.548223

   dvaaudiodevice.dll   DVA Product   7.0.0  

   dvacore.dll   DVA Product   7.0.0  

   dvamarshal.dll   DVA Product   7.0.0  

   dvamediatypes.dll   DVA Product   7.0.0  

   dvaplayer.dll   DVA Product   7.0.0  

   dvatransport.dll   DVA Product   7.0.0  

   dvaunittesting.dll   DVA Product   7.0.0  

   dynamiclink.dll   DVA Product   7.0.0  

   ExtendScript.dll   ExtendScript 2013/10/30-13:12:12   79.546835   79.546835

   FileInfo.dll   Adobe XMP FileInfo 2013/10/25-03:51:33   79.154511   79.154511

   filter_graph.dll   AIF   5.0   79.534508

   icucnv40.dll   International Components for Unicode 2011/11/15-16:30:22    Build gtlib_3.0.16615  

   icudt40.dll   International Components for Unicode 2011/11/15-16:30:22    Build gtlib_3.0.16615  

   imslib.dll   IMSLib DLL   7.0.0.145  

   JP2KLib.dll   JP2KLib 2013/10/29-11:47:16   79.248139   79.248139

   libifcoremd.dll   Intel(r) Visual Fortran Compiler   10.0 (Update A)  

   libiomp5md.dll   Intel(R) OMP Runtime Library   5.0  

   libmmd.dll   Intel(r) C Compiler, Intel(r) C++ Compiler, Intel(r) Fortran Compiler   12.0  

   LogSession.dll   LogSession   2.1.2.1785  

   mediacoreif.dll   DVA Product   7.0.0  

   MPS.dll   MPS 2013/10/29-11:47:16   79.535029   79.535029

   msvcm80.dll   Microsoft® Visual Studio® 2005   8.00.50727.6195  

   msvcm90.dll   Microsoft® Visual Studio® 2008   9.00.30729.1  

   msvcp100.dll   Microsoft® Visual Studio® 2010   10.00.40219.1  

   msvcp80.dll   Microsoft® Visual Studio® 2005   8.00.50727.6195  

   msvcp90.dll   Microsoft® Visual Studio® 2008   9.00.30729.1  

   msvcr100.dll   Microsoft® Visual Studio® 2010   10.00.40219.1  

   msvcr80.dll   Microsoft® Visual Studio® 2005   8.00.50727.6195  

   msvcr90.dll   Microsoft® Visual Studio® 2008   9.00.30729.1  

   PatchMatch.dll   PatchMatch 2013/10/29-11:47:16   79.542390   79.542390

   pdfsettings.dll   Adobe PDFSettings   1.04  

   Photoshop.dll   Adobe Photoshop CC   CC  

   Plugin.dll   Adobe Photoshop CC   CC  

   PlugPlugOwl.dll   Adobe(R) CSXS PlugPlugOwl Standard Dll (64 bit)   4.2.0.36  

   PSArt.dll   Adobe Photoshop CC   CC  

   PSViews.dll   Adobe Photoshop CC   CC  

   SCCore.dll   ScCore 2013/10/30-13:12:12   79.546835   79.546835

   ScriptUIFlex.dll   ScriptUIFlex 2013/10/30-13:12:12   79.546835   79.546835

   svml_dispmd.dll   Intel(r) C Compiler, Intel(r) C++ Compiler, Intel(r) Fortran Compiler   12.0  

   tbb.dll   Intel(R) Threading Building Blocks for Windows   4, 1, 2012, 1003  

   tbbmalloc.dll   Intel(R) Threading Building Blocks for Windows   4, 1, 2012, 1003  

   updaternotifications.dll   Adobe Updater Notifications Library   7.0.1.102 (BuildVersion: 1.0; BuildDate: BUILDDATETIME)   7.0.1.102

   WRServices.dll   WRServices Mon Feb 25 2013 16:09:10   Build 0.19078   0.19078

Required plug-ins:

   3D Studio 14.2.1 (14.2.1 x001)

   Accented Edges 14.2.1

   Adaptive Wide Angle 14.2.1

   Angled Strokes 14.2.1

   Average 14.2.1 (14.2.1 x001)

   Bas Relief 14.2.1

   BMP 14.2.1

   Camera Raw 8.3

   Camera Raw Filter 8.3

   Chalk & Charcoal 14.2.1

   Charcoal 14.2.1

   Chrome 14.2.1

   Cineon 14.2.1 (14.2.1 x001)

   Clouds 14.2.1 (14.2.1 x001)

   Collada 14.2.1 (14.2.1 x001)

   Color Halftone 14.2.1

   Colored Pencil 14.2.1

   CompuServe GIF 14.2.1

   Conté Crayon 14.2.1

   Craquelure 14.2.1

   Crop and Straighten Photos 14.2.1 (14.2.1 x001)

   Crop and Straighten Photos Filter 14.2.1

   Crosshatch 14.2.1

   Crystallize 14.2.1

   Cutout 14.2.1

   Dark Strokes 14.2.1

   De-Interlace 14.2.1

   Dicom 14.2.1

   Difference Clouds 14.2.1 (14.2.1 x001)

   Diffuse Glow 14.2.1

   Displace 14.2.1

   Dry Brush 14.2.1

   Eazel Acquire 14.2.1 (14.2.1 x001)

   Embed Watermark 4.0

   Entropy 14.2.1 (14.2.1 x001)

   Extrude 14.2.1

   FastCore Routines 14.2.1 (14.2.1 x001)

   Fibers 14.2.1

   Film Grain 14.2.1

   Filter Gallery 14.2.1

   Flash 3D 14.2.1 (14.2.1 x001)

   Fresco 14.2.1

   Glass 14.2.1

   Glowing Edges 14.2.1

   Google Earth 4 14.2.1 (14.2.1 x001)

   Grain 14.2.1

   Graphic Pen 14.2.1

   Halftone Pattern 14.2.1

   HDRMergeUI 14.2.1

   IFF Format 14.2.1

   Ink Outlines 14.2.1

   JPEG 2000 14.2.1

   Kurtosis 14.2.1 (14.2.1 x001)

   Lens Blur 14.2.1

   Lens Correction 14.2.1

   Lens Flare 14.2.1

   Liquify 14.2.1

   Matlab Operation 14.2.1 (14.2.1 x001)

   Maximum 14.2.1 (14.2.1 x001)

   Mean 14.2.1 (14.2.1 x001)

   Measurement Core 14.2.1 (14.2.1 x001)

   Median 14.2.1 (14.2.1 x001)

   Mezzotint 14.2.1

   Minimum 14.2.1 (14.2.1 x001)

   MMXCore Routines 14.2.1 (14.2.1 x001)

   Mosaic Tiles 14.2.1

   Multiprocessor Support 14.2.1 (14.2.1 x001)

   Neon Glow 14.2.1

   Note Paper 14.2.1

   NTSC Colors 14.2.1 (14.2.1 x001)

   Ocean Ripple 14.2.1

   Oil Paint 14.2.1

   OpenEXR 14.2.1

   Paint Daubs 14.2.1

   Palette Knife 14.2.1

   Patchwork 14.2.1

   Paths to Illustrator 14.2.1

   PCX 14.2.1 (14.2.1 x001)

   Photocopy 14.2.1

   Photoshop 3D Engine 14.2.1 (14.2.1 x001)

   Photoshop Touch 14.0

   Picture Package Filter 14.2.1 (14.2.1 x001)

   Pinch 14.2.1

   Pixar 14.2.1 (14.2.1 x001)

   Plaster 14.2.1

   Plastic Wrap 14.2.1

   PNG 14.2.1

   Pointillize 14.2.1

   Polar Coordinates 14.2.1

   Portable Bit Map 14.2.1 (14.2.1 x001)

   Poster Edges 14.2.1

   Radial Blur 14.2.1

   Radiance 14.2.1 (14.2.1 x001)

   Range 14.2.1 (14.2.1 x001)

   Read Watermark 4.0

   Reticulation 14.2.1

   Ripple 14.2.1

   Rough Pastels 14.2.1

   Save for Web 14.2.1

   ScriptingSupport 14.2.1

   Shake Reduction 14.2.1

   Shear 14.2.1

   Skewness 14.2.1 (14.2.1 x001)

   Smart Blur 14.2.1

   Smudge Stick 14.2.1

   Solarize 14.2.1 (14.2.1 x001)

   Spatter 14.2.1

   Spherize 14.2.1

   Sponge 14.2.1

   Sprayed Strokes 14.2.1

   Stained Glass 14.2.1

   Stamp 14.2.1

   Standard Deviation 14.2.1 (14.2.1 x001)

   STL 14.2.1 (14.2.1 x001)

   Sumi-e 14.2.1

   Summation 14.2.1 (14.2.1 x001)

   Targa 14.2.1

   Texturizer 14.2.1

   Tiles 14.2.1

   Torn Edges 14.2.1

   Twirl 14.2.1

   Underpainting 14.2.1

   Vanishing Point 14.2.1

   Variance 14.2.1 (14.2.1 x001)

   Variations 14.2.1 (14.2.1 x001)

   Water Paper 14.2.1

   Watercolor 14.2.1

   Wave 14.2.1

   Wavefront|OBJ 14.2.1 (14.2.1 x001)

   WIA Support 14.2.1 (14.2.1 x001)

   Wind 14.2.1

   Wireless Bitmap 14.2.1 (14.2.1 x001)

   ZigZag 14.2.1

Optional and third party plug-ins:

   CUR (Windows Cursor) NO VERSION

   ICO (Windows Icon) NO VERSION

   Lazy Nezumi Pro 14.3.27.1855

   Reduce Noise 7.0.0.0

   ScriptListener 13.0

   StarFilter Pro 3 3.0.3.0

   SuperPNG 2.0

Plug-ins that failed to load: NONE

Flash:

   Mini Bridge

   Adobe Exchange

   Kuler

Installed TWAIN devices: NONE

Capture.jpg

JJMack

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New Here ,
Oct 22, 2014

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I have the exact same issue.  There is jitter, and even using Nezumi, hasn't fixed it.

What saddens me is that I am a huge fan of Adobe, yet nothing is being done about this. I use this product professionally, and believe me, it matters. 

There are at least 2 more 'showstopper' bugs that I have found, unfortunately, I have Photoshop CS6, and I was told I'd have to upgrade to CC for support.  Never mind, that CC at work has the same issues, and I don't want to spend another $800 just to see nothing done about it.  These issues should be hotfixed - because it should have worked correctly to start with.

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Community Beginner ,
Oct 23, 2014

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This bug is extremely frustrating!

While working on Lazy Nezumi I have found some clues as to why this problem is happening.

I have sent my findings to Adobe and have offered to help them fix the issue but so far haven't had any answer.

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New Here ,
Dec 01, 2020

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I'll try without the mouse.

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Enthusiast ,
Apr 03, 2014

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The question is, is there anything near the tablet and your stylus or mouse that may cause interference, like another monitor, or speakers or a TV, radio, etc. Try moving the position of your tablet. If it's happening after a few strokes regardless of where you are drawing, then maybe it's to do with something else like memory or scratch disk. Make sure to update your tablet drivers to the latest version too.

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Adobe Community Professional ,
Apr 03, 2014

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Peter, unfortunately the Wacom line jitter has been an ongoing issue for over a year, or maybe two years.  The Wacom forums are full of unresolved posts about it.  Most of thos posts seem to involve Macs, but I can testify that it happens with Windows as well.

Then there is the sticky brush issue where you can select other tools without tapping the stylus on the tablet to release the brush.  I bought a new penn for my Intuos 4, and id a clean reinstall of Windows 7 Pro and all my apps with freshly downloaded drivers, and the sticky brush problem was still there from the get go.

Then there are all those poor folk who have paid serious money for big Cintiqs and have even worse line jitter.  Wacom were putting out a new driver every month or so a year back, but seem to have given up now.  Apparently these issue only happen in Photoshop, and wacom products work fine in other applications, so maybe there is a blame game going on.

All I know is that it a royal PITA and absolutely not good enough after such a long time.

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Community Beginner ,
Jul 03, 2014

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I have exactly the same symptoms on Intuos4 CS6 windows 7, typing this while I wait for 6.2 download

I too have bought LN in vain, and that's when I discovered that it had the delay effect on window switching because everytime I touch  setting in LN the brushstroke was beautiful until a couple of strokes later

if this works for me I suspect the older wacom drivers have something which compensates for windows 7's mouse interpolation problems, because this particular  kind of jiggle turns up in MS paint with a mouse as well (even if you use a ruler) minus the first few good strokes.

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Community Beginner ,
Jul 03, 2014

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FIXED!!!!!!

by rolling back my driver to 6.2.w5 (btw wacom Asia's site is easier to navigate for this sort of thing)

so relieved, I don't even care that I ended up buying a new stylus in the process. >.> I'll set them up with different pressure curves or something, the older one is rattly anyway, I need to get a back up.

so happy.

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Explorer ,
Oct 15, 2014

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I have the same problem. it comes and goes as I work. and it's quite frustrating while working with fine lines.

the only way to make it go away for the time being is shift from PS to another app and switch back (it'll be gone for awhile).

I'm a professional illustrator, working on several machines with win7pro 64bit - HP Workstation Z420 with 32GB, asus HD7850 xeon etc. and HP EliteBook 8460p with 8GB ...

and I don't think a resolution/ar, stroke size , GPU or anything else has anything to do with this problem. it's essential photoshop related bug and is recognized by all artists working closely with clean' lines. other programs like PaintTool SAI, Autodesk SketchBook and etc does not have this issue. switching wacom drivers, windows updates and etc won't solve this.

P.S. the quality of PS strokes has well known issues for centuries now, and haven't been fixed:
http://youtu.be/T1OsByPscuI

ConceptArt.org | Art Sketchbooks, Wacom, and Art Forum (you'll have to read along to get it right)
etc..

this is the reason why most ppl use manga studio or other programs for line / ink work till now. and only do the editing / effects in PS

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Mentor ,
Oct 15, 2014

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I think this erratic behaviour is caused by the lack of any stroke smooth options in Photoshop. I recall that Photoline displayed similar issues, especially when drawing with thin lines on a zoomed out canvas: it would have to interpolate between positions, and would do so quite badly, by introducing jaggies and rough kinks.

After introducing stroke smoothing options, all the issues went away. It is a joy to draw black thin strokes in Photoline now with my Wacom. Even zoomed out in extreme on a large high-res canvas results in beautiful curves.

Mange Studio/Clip Studio, Krita, and even Gimp also offer identical stroke smoothing functionality - and it shows in the quality of especially ink strokes.

You can tell Photoshop has issues by doing this simple test:

- open an A4 document at 800ppi (6614x9354px).

- select a 1px simple brush

- zoom out to 8.3%.

- draw circles and curves at a reasonably fast speed.

When you zoom in, this is what you will see in Photoshop:

Untitled-2.png

Notice the kinks and sharp corners. Also many jaggies. Basically, the strokes are not smooth at all, and look quite abysmal. This is caused by interpolation errors introduced.

Now compare that result with this one:

Untitled.png

Nice lines, drawn under identical circumstances in Photoline - EXCEPT for the fact that I actually sped up my strokes 2-3 times compared to the speed I used in Photoshop!!! Just goes to show the difference - and this from an application that does not focus on drawing at all. In Krita and Clip Studio/Manga Studio also no problems with this. As you can tell by glancing at the two examples, stroke smoothing is essential to achieve proper interpolation.

And that is what Photoshop lacks, and it causes issues in line quality. I never do any line work in Photoshop, honestly. Without stroke smoothing control it just is not an option.

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Participant ,
Jun 19, 2015

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Having the EXACT same problem.

Photoshop CC 2015, Lazy nezumi on/off - doesn't matter. Happens with mouse and pen.

Zooming in to 100%+ seems to ease the issue, I would assume it doesn't handle interpolation data when drawing on a zoomed-out canvas (which you would normally do for high-res artwork)!

FIX PLZ!

Windows 7 x64, 2x Intel Xeon E5-2660v2, Nvidia GeForce GTX 780, 32GB RAM.

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New Here ,
Jul 09, 2015

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Hi all

I use Intuos 5 Pro medium tablet. Latest driver 6.3.11-4

Only tempolary fixs when jittering happen is just switch to other program and switch back to PS that's all.

Or If you installed LazyNazumi just pull the panel up and jitter will gone for a while.
I checked evertime jittering occur  this method will work perfectly.
And Yes it's no matter are you using LazyNazumi or not this jitter will happen sometime. may be  a few second.
or may be long last around 10 minutes
I did test to revert wacom driver to 6.3.6-3 , this driver seem to has a very rare to happen jitter.


Sorry for my bad English anyway but I would like to share my method.

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Adobe Community Professional ,
Jul 09, 2015

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New Here ,
Jul 09, 2015

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Yes right now I'm using latest wacom driver 6.3.11-4

I tried roll back to legacy 6.3.6-3 , but the jittering will not 100 % fixed It will eventually happen again and

yes switching to other program and back to PS  will work whatever driver are using.
And since  6.3.6-3 not 100 % fixed ( for me ) but It 's very rare to happen compared to 6.3.11-4
So I try to stay with 6.3.11 from now , I guess the problem is from PS itself not from the hardware driver.

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New Here ,
Nov 14, 2015

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Nice to see some other people are encountering this perplexing issue. It's extremely frustrating, having tried clean driver reinstalls, rolling back to legacy and 6.3.6-3, using LazyNazumi, and the weird behavior of being temporarily fixed when switching to another app. Just a damn shame there's no solutions. Time to use a different program then!

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Adobe Community Professional ,
Nov 14, 2015

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Ausdrake wrote:

Nice to see some other people are encountering this perplexing issue. It's extremely frustrating, having tried clean driver reinstalls, rolling back to legacy and 6.3.6-3, using LazyNazumi, and the weird behavior of being temporarily fixed when switching to another app. Just a damn shame there's no solutions. Time to use a different program then!

But isn't a Cintiq thing?   Least ways, the more you Google, the more frustrated Cintiq users you seem to find.  All I can say is thank goodness LNP works with Windows, and I feel bad for Mac users who can't use it.  No prizes for guessing which stroked used LNP below.

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Adobe Community Professional ,
Nov 14, 2015

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OK, I just emailed Guillaume, and no surprise, he replied straight back.  Not good news for Cintiq jitter or Mac users and LNP I am afraid.

Hi Trevor,

The thread you replied to is about Photoshop's jitter bug, which can happen with or without LNP installed.
From my investigations, that bug is entirely Photoshop's fault, and they refuse to even acknowledge it.

And regarding a Mac version. Believe me, I would love the extra sales... it's just not something I can do right now.

Regards,
Guillaume

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Mentor ,
Nov 14, 2015

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It is related to the way Photoshop interpolates between points while drawing. As I have demonstrated before in this thread, zoom out a lot, and draw curvy strokes quickly, either with mouse or pen. Zoom in, and you will find the kinks and jitters.

There are quite a number of Photoshop legacy issues which are completely ignored (it seems) by the developers. This is just one of them. The 16bpc mode issues are another one (banding when zooming out, only 15bpc and information is thrown away). A useless 3d rendering engine.

And JMack can probably list quite a few as well.

For one or more obscure reasons nothing is done to address these - for years and years now. Ah well.

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Community Beginner ,
Jun 01, 2016

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Sometimes Photoshop decides it won't use the high-precision tablet data, and uses Windows screen resolution cursor coordinates instead.

Update 16.06.01 of Lazy Nezumi Pro has an experimental fix for this!

https://lazynezumi.com/news#16.06.01

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New Here ,
Feb 06, 2017

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Same issue and mine is even more jagged.  Using a Wacom Tablet with Windows 8 - just terrible

wacom.png

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Adobe Community Professional ,
Feb 06, 2017

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crystals14348756 wrote:

Same issue and mine is even more jagged. Using a Wacom Tablet with Windows 8 - just terrible

wacom.png

Yes, that is looking pretty bad.  Is this a new behaviour?  Can you correlate it to a particular event, upgrade, hardware change etc.?

The first question when Windows 8.1 or 10 is involved, is are you using Windows Ink or WinTab.  The latter is usually better.

Re: Use Windows Ink Issue with photshop CC 2015.

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New Here ,
Mar 18, 2020

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Hi everyone,

 

This is my first time here so please pardon me if this fix has already been posted! I think this particular fix was simple and overlooked. 

 

Firstly, i am a digital painter working in the game industry and had just upgraded my computer to a high powered workstation laptop for home and installed the latest drivers for a wacom cintiq 22HD (DTK-2200), latest photoshop 2020 and running Windows 10.  These 3 probably fight with each other and will continue to do so in the future.  My previous sucessful photoshop painting build (at work) was running photoshop 2017 (no longer available though their suscription service) with a windows 7 machine, wacom driver from 2017.  It was light and fast, with no jagged lines or lag.  It had the PSUserConfig text file hack to bypass windows ink. But back to my new home setup, this was the result of the latest hardware and software. 

steppedlines.jpg

I uninstalled and reinstalled PS, wacom drivers maybe 30 times trying out different older versions and trying all kinds of combinations of the two.  After scouring dozens of webpages and youtube fix videos a few webpages led me to use command prompt and registry editor to muck with computer settings.  This turned out to be a nightmare.  I gave up, accepted the use of windows ink and those annoying alt, ctrl and shift popups when the key was held and attempted to work.  Even with windows ink on, it's still almost impossible, the pressure sensitivity was all off. 

 

I was totally about to give up when i came across a simple youtube fix.  Could it possibly be that simple?  Under brush settings BrushSettings.jpg  there is a smoothing option that is now off by default.  Check that box and adjust the settings on the top tool bar, i unchecked the default Stroke catch-up and checked Catch -up on Stroke End, with a smoothing setting of 10%.  You may want to mess with these settings a bit but...VOILA!!  This should give you clean lines!

SmoothingFix.jpg

 

I hope this helps everyone!

 

 

 

 

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New Here ,
Dec 15, 2020

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This is not a real solution but just a way to hide the problem as the erratic behavior will continue below the smoothing. Some of us work with no smoothing on, it should still draw silky lines with proper hand movement and it doesn't

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New Here ,
Dec 15, 2020

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This is no solution

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