What is the process of developing a 2D floor plan application with Flutter that generates a 2D architectural design of a house?

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Developing a 2D floor plan application with Flutter that generates a 2D architectural design of a house can be a complex process that involves several steps, including the following:

1. Gather the requirements: This step involves gathering the requirements for the application, such as the ability to draw walls, doors, windows, and other architectural elements. Additionally, the application must support different grid types and dimensions, such as metric and imperial, and must provide features for exporting the design to different file formats, including PDF and SVG.

2. Create the user interface (UI): Once you have gathered the requirements, you can create the UI of the application. The UI must provide a canvas where the user can draw the floor plan using different tools such as pencils, lines, and shapes. Additionally, the UI must allow the user to select different architectural elements, adjust their properties such as dimensions and materials and have an API to perform CRUD (create, read, update, delete) operations.

3. Implement the drawing tools: This step involves implementing different drawing tools such as walls, doors, and windows. Each tool must support different properties such as thickness, width, and height. The user can switch between different tools based on their current needs.

4. Implement the grid system: The application must provide a grid system that allows the user to snap the elements to certain dimensions based on their preferences. The grid system must support different types of grids such as rectangular, triangular, and polar.

5. Implement the export functionality: The user must be able to export the floor plan drawings to different file formats such as PDF and SVG. The application must provide a feature to save the design to the cloud storage, share, or email it.

6. Test and debug the application: Once you have completed the implementation, you must run several tests to identify and fix any issues in the application. Test the application under different scenarios, including different grid dimensions, margin limits, and element count.

In conclusion, Developing a 2D floor plan application with Flutter that generates a 2D architectural design of a house is a complex process that requires a deep understanding of Flutter, architectural design, grid systems, and different drawing tools.