2D Drafting CAD Application

Name: Plugins and Add-ons
Brand: ProtoTech Solutions
Price: 69 USD
Rating: 4.5 (105 reviews)

Client Name
Microvellum, Inc.

Microvellum

Technology
VB.Net, Eyeshot
Languages | Platform
C#.Net | Windows
Domain
CAD/CAM Solutions

Founded in 1991, Microvellum Inc. is a world leader in AutoCAD and Blender-based design, to manufacture software for the woodworking industry. Microvellum provides a fully integrated design and CAD/CAM solution for designers, engineers, non-automated manufacturers and highly automated wood product design, to manufacturing firms.

A lightweight 2D drafting application with API and command line interface. Provided command line utility to add entities in view port using commands like
Drawing: Line, Poly line, Circle, Arc etc.
Editing: Move, Rotate, Copy, Explode, Offset, Extend, Trim, Join, Scale, Mirror, Fillet, Edit text etc.
Annotation: Linear Dimension, Aligned Dimension, Leader etc . Also supported snapping point, ortho mode, implied direction text box etc
Technologies: VB.Net, Eyeshot

Among number of challenges, some of them are as follows:

Snapping points: Highlighting of center point of circle or arc on hovering mouse, over entity
Command line utility: Validating inputs provided by user and listing respective commands and instructions for next expected input like AutoCAD Implementing Ortho Mode

Identified which entity we have under the mouse cursor, if it’s a circle or arc then highlighted its center as a snap point.
Decided the required number of inputs for a particular command. After getting valid inputs from the user for first input, displayed the next instruction accordingly.
For ortho point, calculated smallest distance between current mouse cursor point and respective x or y intersection points.

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