AutoCAD

How to Hatch Inside a Polyline?

Understanding Polyline Hatching in AutoCAD

Hatching within a polyline in AutoCAD can enhance the visual representation of your drawings effectively. Below are detailed steps you can follow to accomplish this task efficiently.

Step-by-Step Guide to Hatch Inside a Polyline

Step 1: Prepare Your Drawing

Ensure that your drawing is open in AutoCAD. You should have your polyline ready, which is the area you want to fill with a hatch. If necessary, create a closed polyline that outlines the region you intend to hatch.

Step 2: Access the Hatch Command

To initiate the hatching process:

  1. Navigate to the Home tab.
  2. Locate the Draw panel.
  3. Click on the Hatch option or type HATCH into the command line.

Step 3: Define Hatch Type and Pattern

  1. Upon invoking the hatch command, a dialog box or panel will open.
  2. From the Properties panel, you can select the desired Hatch Type, such as Solid, Gradient, or a specific pattern.
  3. Choose from the available hatch patterns in the Pattern panel. You may find patterns like ANSI, ISO, or custom patterns depending on your requirements.

Step 4: Set the Boundary Selection Method

You need to specify how AutoCAD will select the area to hatch:

  1. Under the Boundaries panel, choose the Pick Points option.
  2. Click within the area defined by the polyline. AutoCAD should automatically recognize the closed boundary created by your polyline.

Step 5: Adjust Hatch Scale and Angle (if necessary)

Before finalizing the hatch, you may want to adjust its appearance:

  1. Look for the Scale and Angle settings in the properties palette.
  2. Make adjustments to the scale to ensure the hatch looks appropriate for your drawing’s scale. An angle adjustment can help in orienting the pattern effectively.

Step 6: Complete the Hatch

Once you are satisfied with how everything looks:

  1. Confirm your choices by clicking OK or Close in the hatch dialog.
  2. The hatch will now fill the area inside your selected polyline, effectively enhancing the presentation of your drawing.

Frequently Asked Questions

1. What should I do if my hatch is appearing as a solid fill?
If your hatch appears solid, it might be due to incorrect scale settings or the hatch being too small. Check the hatch properties and adjust the scale parameter until you achieve the desired appearance.

2. Can I use multiple hatches within the same area?
Yes, you can create multiple hatches within overlapping areas. Each hatch can have a different pattern or fill type, enabling complex design features.

3. How can I edit an existing hatch?
To edit a hatch, simply select it to open the Hatch Editor. From there, you can modify the hatch properties, including the pattern, scale, or boundaries. Once changes are made, close the editor to apply them.

About the author

Wei Zhang

Wei Zhang

Wei Zhang is a renowned figure in the CAD (Computer-Aided Design) industry in Canada, with over 30 years of experience spanning his native China and Canada. As the founder of a CAD training center, Wei has been instrumental in shaping the skills of hundreds of technicians and engineers in technical drawing and CAD software applications. He is a certified developer with Autodesk, demonstrating his deep expertise and commitment to staying at the forefront of CAD technology. Wei’s passion for education and technology has not only made him a respected educator but also a key player in advancing CAD methodologies in various engineering sectors. His contributions have significantly impacted the way CAD is taught and applied in the professional world, bridging the gap between traditional drafting techniques and modern digital solutions.