Credit: Watson Kilbourne of CompugraphX produced the highest quality hatch patterns available anywhere. Watson has donated these hatch patterns to the AutoCAD community. The good news is that the hatch pattern format hasn't changed since it was first introduced years ago. Any hatch pattern you find should work with any previous or future version of AutoCAD! There has been a change in behavior in AutoCAD regarding the object snaps on its geometry.
In previous releases osnaps would honor hatches, in they are ignored by default. It choose instead to create a very small nearing unreadable swatch on the fly, which takes a significant amount of time if you have hundreds of patterns. As such this procedure may not be applicable unless you intend to compile your hatchs into a IMAGE menu. Preparing the Pattern: The first step is to obtain or create a hatch pattern that you would like to add. PAT found floating on the web. I have no knowledge of the author.
Note that this pattern does not have sufficient precision to properly display in large coordinate mapping, but should work well in most other applications. It has been reproduced here. In the event that something goes wrong we can restore without having to reinstall. Open the original ACAD. PAT in a notepad or other ascii editor. It is a good idea to do a search to make sure that the pattern definition you are about to add does not already exist.
If you do not care about the order that your pattern appears in the BHATCH list, then simply paste the contents of the pattern definition at the end of the file. If you would like to maintain alphabetical order, carefully find the appropriate position in the middle of the list and insert your pattern there. Preparing a slide: The next step is to prepare a slide representing the appearance of the pattern definition. The following steps can be used to create a hatch representation in R For users other than R14, you may need to generate a polyline with the same coordinates , hatch the polyline, then erase the polyline.
The reason for the particular rectangle coordinates of 16x10 is to maintain the 1. SLB are created with. Before we prepare the slide however, it is recommended that we enter paper space and create a viewport to represent the slide.
Slides are clipped at the viewport boundaries, and it would be difficult to maintain this without the viewport. Finally we are ready to prepare the slide. We will need to add more slides to this directory to rebuild the ACAD. Preparing to rebuild the ACAD. SLB file. I need to be able to drop blocks on the wall and trim the hatch around them.
Is it really supposed to have two rows of square tiles between the two lowest rows of long ones and three rows of square tiles between the others? If it's really supposed to be three [or perhaps two? If it is supposed to be two in that one space and three above, it could be defined to do that with the origin presumably at the "floor" level, but it would take more code.
Or it could be more simply defined with three in all spaces, and you could get that result with careful defining of the boundary and positioning of the origin, and do the bottom row of long tiles with a simple User-defined pattern of vertical lines. EDIT: And another question: The first row of square tiles above a row of long ones does not have the same horizontal relationship of its joints to the long-tile joints Is that intended, or can they be the same?
Again, the same would be much easier for the pattern definition. Unfortunately, YES. I've tried doing multiple hatches for each group of tiles but it gets really messy with origin snapping and we've gotten some bad results. I'm a novice at writing hatch patterns and I've tried extrapolating from existing standard patterns but I obviously am not getting the parameters right for this complex of a hatch. Because we are often manipulating these walls with client equipment changes, we really need the single pattern where we can just set it and trim and not have to worry about individual lines being out of place.
OK, upon looking at that pattern, it appears where I am having parameter problems is with the third and fourth set of variables. Then the "6" means draw a 6 unit line but I'm not sure how the "" and the "12," parameters are working. I apologize for the noob questions, but this is something I haven't had to do before. I appreciate the help AND the patience. My first step would be to ask the client whether there's some critical reason for that, and whether a regular pattern [like the last Edit in my previous Reply] can serve.
But if it can't, I'll assume that if any area ever goes beyond the 9'-6" overall height shown, it can repeat again from the bottom. With the irregularity of vertical repetition within the pattern, lots of elements have to be defined separately that didn't above, and on-off cycles are more convoluted, and some even had to be split into two lines because of too many dash specifications in the cycle to do them in one.
But this seems to do it [not as much additional code required as I was expecting]:. Sir, you are an absolute genius. This site has more than free hatch patterns to download; organized into categories of wood, stonework, brick, roof tile, trees, gravel, vegetation and many other types of hatch patterns. CAD Corner Canada - Various hatch patterns including brick patterns, wood, stone, flag stone, parquet floor hatch patterns, roof styles, and more.
Definitely worth checking out. Free hatch patterns near bottom of page. Hatch Patterns from DotSoft Nice variety of hatch styles. Includes thumbnails of what each pattern is, so you know what you are downloading. Not as big of a hatch pattern selection as some of the others above, but still helpful nonetheless. Couldn't find what you were looking for? Try these tips to create your own AutoCAD hatch patterns. Installation is quick and easy, instructions are included when you download the hatch library, or you can see them now by clicking on the link below; Below are architectural flooring, tile, brick, and wood flooring patterns.
Geological hatch patterns. Above are 20 hatch patterns found in ISO
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