Filled Area Primitives - WordPress.com...1. 2. 3. For Scan line polygon filling there are three...

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Filled Area Primitives

Transcript of Filled Area Primitives - WordPress.com...1. 2. 3. For Scan line polygon filling there are three...

Page 1: Filled Area Primitives - WordPress.com...1. 2. 3. For Scan line polygon filling there are three steps to perform in the following order: Find the intersections of the scan line with

Filled Area Primitives

Page 2: Filled Area Primitives - WordPress.com...1. 2. 3. For Scan line polygon filling there are three steps to perform in the following order: Find the intersections of the scan line with

Scan Line Polygon Filling Algorithm

Page 3: Filled Area Primitives - WordPress.com...1. 2. 3. For Scan line polygon filling there are three steps to perform in the following order: Find the intersections of the scan line with

Basic Concept

Page 4: Filled Area Primitives - WordPress.com...1. 2. 3. For Scan line polygon filling there are three steps to perform in the following order: Find the intersections of the scan line with

Steps to perform

Page 5: Filled Area Primitives - WordPress.com...1. 2. 3. For Scan line polygon filling there are three steps to perform in the following order: Find the intersections of the scan line with

Example

Page 6: Filled Area Primitives - WordPress.com...1. 2. 3. For Scan line polygon filling there are three steps to perform in the following order: Find the intersections of the scan line with

Special cases

Page 7: Filled Area Primitives - WordPress.com...1. 2. 3. For Scan line polygon filling there are three steps to perform in the following order: Find the intersections of the scan line with

Example

Page 8: Filled Area Primitives - WordPress.com...1. 2. 3. For Scan line polygon filling there are three steps to perform in the following order: Find the intersections of the scan line with

Continues

Page 9: Filled Area Primitives - WordPress.com...1. 2. 3. For Scan line polygon filling there are three steps to perform in the following order: Find the intersections of the scan line with

Boundary Fill Algorithm

Page 10: Filled Area Primitives - WordPress.com...1. 2. 3. For Scan line polygon filling there are three steps to perform in the following order: Find the intersections of the scan line with

Basic Concept

Page 11: Filled Area Primitives - WordPress.com...1. 2. 3. For Scan line polygon filling there are three steps to perform in the following order: Find the intersections of the scan line with

Working

Page 12: Filled Area Primitives - WordPress.com...1. 2. 3. For Scan line polygon filling there are three steps to perform in the following order: Find the intersections of the scan line with

Methods of Implementation

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4 connected pixel

Page 14: Filled Area Primitives - WordPress.com...1. 2. 3. For Scan line polygon filling there are three steps to perform in the following order: Find the intersections of the scan line with

Process-4 Connected

Page 15: Filled Area Primitives - WordPress.com...1. 2. 3. For Scan line polygon filling there are three steps to perform in the following order: Find the intersections of the scan line with
Page 16: Filled Area Primitives - WordPress.com...1. 2. 3. For Scan line polygon filling there are three steps to perform in the following order: Find the intersections of the scan line with

Code for 4-Connected

Page 17: Filled Area Primitives - WordPress.com...1. 2. 3. For Scan line polygon filling there are three steps to perform in the following order: Find the intersections of the scan line with
Page 18: Filled Area Primitives - WordPress.com...1. 2. 3. For Scan line polygon filling there are three steps to perform in the following order: Find the intersections of the scan line with

8 connected pixel

Page 19: Filled Area Primitives - WordPress.com...1. 2. 3. For Scan line polygon filling there are three steps to perform in the following order: Find the intersections of the scan line with

Code for 8-Connected

Page 20: Filled Area Primitives - WordPress.com...1. 2. 3. For Scan line polygon filling there are three steps to perform in the following order: Find the intersections of the scan line with

Problems

Page 21: Filled Area Primitives - WordPress.com...1. 2. 3. For Scan line polygon filling there are three steps to perform in the following order: Find the intersections of the scan line with

Flood Fill Algorithm

Page 22: Filled Area Primitives - WordPress.com...1. 2. 3. For Scan line polygon filling there are three steps to perform in the following order: Find the intersections of the scan line with

Basic Concept

Page 23: Filled Area Primitives - WordPress.com...1. 2. 3. For Scan line polygon filling there are three steps to perform in the following order: Find the intersections of the scan line with

Algorithm

Page 24: Filled Area Primitives - WordPress.com...1. 2. 3. For Scan line polygon filling there are three steps to perform in the following order: Find the intersections of the scan line with

Methods of Implementation

Page 25: Filled Area Primitives - WordPress.com...1. 2. 3. For Scan line polygon filling there are three steps to perform in the following order: Find the intersections of the scan line with

4 connected pixel

Page 26: Filled Area Primitives - WordPress.com...1. 2. 3. For Scan line polygon filling there are three steps to perform in the following order: Find the intersections of the scan line with

Process-4 Connected

Page 27: Filled Area Primitives - WordPress.com...1. 2. 3. For Scan line polygon filling there are three steps to perform in the following order: Find the intersections of the scan line with
Page 28: Filled Area Primitives - WordPress.com...1. 2. 3. For Scan line polygon filling there are three steps to perform in the following order: Find the intersections of the scan line with
Page 29: Filled Area Primitives - WordPress.com...1. 2. 3. For Scan line polygon filling there are three steps to perform in the following order: Find the intersections of the scan line with

8 connected pixel

Page 30: Filled Area Primitives - WordPress.com...1. 2. 3. For Scan line polygon filling there are three steps to perform in the following order: Find the intersections of the scan line with

8 connected pixel Filling

Page 31: Filled Area Primitives - WordPress.com...1. 2. 3. For Scan line polygon filling there are three steps to perform in the following order: Find the intersections of the scan line with

Inside and Outside Test

Page 32: Filled Area Primitives - WordPress.com...1. 2. 3. For Scan line polygon filling there are three steps to perform in the following order: Find the intersections of the scan line with
Page 33: Filled Area Primitives - WordPress.com...1. 2. 3. For Scan line polygon filling there are three steps to perform in the following order: Find the intersections of the scan line with

How to find out?

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ODD EVEN RULE

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Condition for Odd Even Rule

Page 36: Filled Area Primitives - WordPress.com...1. 2. 3. For Scan line polygon filling there are three steps to perform in the following order: Find the intersections of the scan line with

Example

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Non Zero winding number

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How to apply?

Page 39: Filled Area Primitives - WordPress.com...1. 2. 3. For Scan line polygon filling there are three steps to perform in the following order: Find the intersections of the scan line with
Page 40: Filled Area Primitives - WordPress.com...1. 2. 3. For Scan line polygon filling there are three steps to perform in the following order: Find the intersections of the scan line with

Example


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Scan Line 7 Serien edning L · 2016. 3. 3. · Scan-Line 7C Scan-Line 7D Scan-Line 7B. 2 Vi ønsker Dem tillykke med Deres nye brændeovn, og vi er overbevist om, at De vil få stor

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Rasterizing primitives: know where to draw the linealamos.math.arizona.edu/~rychlik/CourseDir/535/resources/Line... · Rasterization Algorithms • Algorithmics: – Line-drawing:

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