The representation of light and shade on a sketch or map is often referred to as "shading" or "hatching." This technique is used to depict the depth and volume of the objects, making them appear more three-dimensional on a two-dimensional surface. Here are the steps to do it:

1. Identify the Light Source: The first step in shading or representing light and shade is to identify the light source. The direction of the light source determines where the highlights (lightest areas) and shadows (darkest areas) fall on the object.

2. Block in the Shadows: Once you've identified the light source, the next step is to block in the shadows. These are the areas on the object that are furthest from the light source.

3. Add Mid-tones: After the shadows, add the mid-tones. These are the areas on the object that are neither in direct light nor in shadow.

4. Add Highlights: The final step is to add the highlights. These are the areas on the object that are in direct light from the light source.

5. Blend: After all the tones have been laid down, the final step is to blend them together to create a smooth transition from light to dark.

6. Repeat: This process is repeated for each object in the sketch or map to create a realistic representation of light and shade.

Remember, the key to successful shading is to observe your subject carefully and to understand how light behaves. The more you practice, the better you'll get at it.

Question

The representation of light and shade on a sketch or map is often referred to as "shading" or "hatching." This technique is used to depict the depth and volume of the objects, making them appear more three-dimensional on a two-dimensional surface. Here are the steps to do it:

1. Identify the Light Source: The first step in shading or representing light and shade is to identify the light source. The direction of the light source determines where the highlights (lightest areas) and shadows (darkest areas) fall on the object.

2. Block in the Shadows: Once you've identified the light source, the next step is to block in the shadows. These are the areas on the object that are furthest from the light source.

3. Add Mid-tones: After the shadows, add the mid-tones. These are the areas on the object that are neither in direct light nor in shadow.

4. Add Highlights: The final step is to add the highlights. These are the areas on the object that are in direct light from the light source.

5. Blend: After all the tones have been laid down, the final step is to blend them together to create a smooth transition from light to dark.

6. Repeat: This process is repeated for each object in the sketch or map to create a realistic representation of light and shade.

Remember, the key to successful shading is to observe your subject carefully and to understand how light behaves. The more you practice, the better you'll get at it.

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