Paint Tool Sai Square Brush

[Mack Mosely]

Im not 100% sure how this forum works, but I'm hoping this would bump this post by me replying, because I am desperate for a custom brush feature that is without needing to open up a separate window to draw in for the plugin.

No other art software feels the same as Paint.NET to me. Paint.NET has everything I need, except those custom brushes - or even just a square brush to be honest. I'd love to see a feature like this added!

Hi i am wondering if there is a square brush for landscape painting, so i can set the brush side by side at each edge and lay down foliage. So it doesnt overlap the other foliage already layed down. Thanx

Right , I can do that in landscape mode , but how can I get a square brush in the foliage tool? Sorry if my original post was unclear as it sounded like the landscape. What I am wanting to do is use a square brush for placing foliage so I can place squares of foliage next to each other , as a circle overlaps the other foliage positions when placing.

As far as painting with all the materials, pick each material and start painting with it. You will see the shaders start compiling, just stop painting until they finish compiling. Then pick the next material and do the same thing. Keep doing that until you have tried painting with all of the materials, then go back and start again. This time the materials should paint without much of an issue.

I did what you said. I applied all the materials on the terrain, waited for the shaders to compile and tried again to paint my textures on my terrain. The same result. I created a special material for my terrain :

This is the template for each layer and you can create ne layers by switching only the texture. It is simple and works. You do the same for the normal maps. Then you apply that material on to the terain and start painting.Atleast this thing works for me.

Hi TJ , thanks I Downloaded the images and I Built the shader, but I keep having problems.

It works for a while, but if I start painting with other layer, everything goes to hell, because the new texture erase everything around it, as image shows. Before, the brush painted the square complete, now erases everything (If you see the image, dark gray and gray squares appear, instead the layer color)

The limit for how many Texture Samples you can have active per component is currently 12. Using any more than this and you will only see the grey checkered material rendered on that component (square).

Is it possible in texture painting mode to change the shape of the brush from circle to square? I am using the anchored stroke. As it is, it uses a circle brush and fades the corners of the image texture making it hard for me to make carefully aligned brush strokes. Other strokes that I tried also do this.

When you create a image to be used for a brush there are a few things you need to keep in mind. When you have a square image, blender's brush will only paint within it's circle and that circle will be contained within the image dimensions, in practice I would also leave a little margin inside that circle as well.

Draw the shape you want in white and leave the non-drawing part of the image as transparent and save it as a png. Then in blender create a new brush texture as an "Image or Movie" and select your brush image. The transparent parts show as black in the preview, unlike normal transparent texture previews. You can use multi-coloured images as brushes, the colours will be mixed with the active brush colour based on the blend mode, so white will maintain the brush colours while other colours will tint the brush accordingly. Feel free to experiment with different alpha values for soft edges.

I want to say the pencil tool is always square, but I'm not 100%. The easy way I use to change the size of the brush is using the [ and ] keys. This will increase and decrease the brush radius.Right clicking while using a brush tool will give you size and edge hardness.

I can indeed paint the asphalt fine, but I cannot seem to draw a perfectly straight line, as none of the brushes I see have a straight edge. I doubt if I could paint it THAT straight if I had a square brush as it seems a bit hard to draw a line only in one direction.

Painting narrow surfaces like windows and window grids is now a pleasure when using the square brush. This brush is a favorite among many due to its perfect width and incredible bristle pack-out providing a smooth finish and fewer dips!

This is my new favorite brush for murals!!! Perfect for getting crisp lines, the synthetic bristles are so soft and hold SO much paint. I feel like I can paint a mile long line without reloading my brush. Definitely my new favorite brushes!

I'm not sure how to go about it as it looks difficult to do. How can you create a rectangle or square brush in Photoshop, or are they available to download. If you are able to download brushes, what is the correct directory or folder that these need to be placed in.

I have finally managed to locate the Lehacy Brushes, but what I have noticed is when using a square brush, the top left, top right and bottom left corners have a 90 degree edge which what I would expect, but the bottom right corner is rounded, so I'm unable to get into some tight corners.

I believe the rounded corner you see is just the cursor and not the actual brush. If you go to Photoshop>Preferences>Cursors and change the Painting Cursors to Full Size Brush Tip the curve is much less pronounced. (an adobe photoshop software engineer would have to give an explanation as to why the right lower corner of square and rectangular brushe cursors seems curved)

[EDIT] Right after I posted this I remembered that when aa gets in the way, I pretty much always select and fill. You can use a selection almost like a brush moving it into position so long as a selection tool is active. In fact you have better control because you can nudge with the cursor keys. When you get close, hide Extras so you see better what is happening, and nudge and fill, nudge and fill.

OK, glad you found them. Unfortunately I can't tell what the included brush sets are because I have close to a 100 sets in my drop down list, and that is after ruthlessly culling out sets I think I'll never use. Which is why we see a lot of people asking for better brush management.

One of the things that has caused a lot of trouble is that CC2018 can now store tool presets inside the brush presets panel. So you are using the brush tool and like the look of the presets I have highlighted, and you suddenly find yourself with the Smudge tool or Mixer brush. It took me longer than it should have to discover that simply holding down the Ctrl (Cmd) key when selecting one of those presets, will prevent it changing to another tool.

If you use a lot of brush sets, then something I have been doing for years now, is to rename the sets so they list in alphabetical order with meaningful names. I don't know how it works with OSX, but with Windows, you have to make Hidden Items visible in the File Explorer view menu.

Same for 2021. Those are great for cleaning up poorly rasterized clean vector shapes. I don't get why they're "Legacy" and why I have to append a whole slew of unnecessary brushes, with even a "Legacy" Set within the Legacy set!

Now it happen with regular brush tool too. This is the second time it happened on this piece, and I think it happen when I do quick brush swap after a brush stroke. Also the size of the area it erased is actually much bigger than the size of the brush used when it happen.

(For fun I turned on all the logging options. The Unknown transform parameter : "" being logged is from kis_dynamic_sensor::id2sensor(). The brush is trying to use some sort of incorrect sensor or something, but the message is very unhelpfully worded.)

Currently I change my renderer to OpenGL, I have a hunch that something is wrong with my nvidia driver. Had some weird sound glitch with my chrome browser and stutter in games that previously run just fine But I am not sure if it is related to this Krita bug.

Half the time I work with the line tool, and sometimes I run into a bug where a rectangular area (a little larger than the line itself) is erased first, and only then the line is applied. At the same time, this unpleasant case cannot be simply rolled back with Ctrl + Z, it may be necessary to press this shortcut several times, or it may not help at all.

@raghukamath today with the line tool I was able to reproduce this bug with all canvas acceleration off. My canvas acceleration was off in the hopes of avoiding this bug. But it seems my original assumption that this is acceleration related is false. I usually save my work everytime before drawing any line with the line tool.

Just wanted to let you know, this bug is unrelated to canvas GPU acceleration. It is related to the Undo/Redo system. If you happen to see the memento manager assert, save your image into a safe space and restart Krita immediately. The data that has disappeared under the line stroke cannot be recovered.

This morning I woke up to find that my square brush has changed, when I increase its size it becomes this sort of skewed shape instead of, well, just a larger square and I would like it to go back to how it used to be, but I have no idea how to do this.

Note If you are working on the image data, adjust the window leveling so that only the voxels you want to label are visible (see Window Leveling). If you are working on the region of interest, then you will only be able to remove voxels from the selected region of interest.

If required, you can automatically re-assign labeled voxels from one region to interest to another by working in Exclusive mode with the Brush tools. For example, in cases in which an automated bone segmentation resulted in voxels corresponding to trabecular bone erroneously labeled as cortical bone or vice versa. In this mode, only the labeled voxels belonging to the selected regions of interest will be affected when painting. This option is available for the Brush tools as shown below.

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