graph-paper

Web component for generating various types of engineering graph paper using SVG, written in Dart and Polymer.

Overview

Screenshot

graph-paper provides a customizable user interface element for generating engineering graph paper.

| Name | Type | Default | Description | | -------------- | ------- | ---------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------- | | units | String | 'inch' | Available options are 'inch' and 'mm'. These are the measurement units used when computing paper size. | | paperSize | String | 'letter' | Available options are 'letter', 'legal', 'tabloid' when the 'units' attribute is 'inch'. Available options are 'a4' and 'a3' when the 'units' attribute is 'mm'. | | layout | String | 'portrait' | Available options are 'portrait' and 'landscape'. This sets the orientation of the paper on the screen. | | gridSpacing | double | 0.1250 | Controls the spacing between two consecutive vertical and horizontal grid lines. A grid spacing value of '1' equals '96' pixels. | | gridMargin | double | 0.1875 | Controls the margin around the grid area. A margin value of '1' equals '96' pixels. | | loggingEnabled | boolean | false | Activates logging to the console of various internal library events. |

Status

Please note that this is a beta release of this package and API changes are very probable while this package is in beta.

Using Elements

All elements live at the top-level of the lib/ folder.

Import into HTML:

<link rel="import" href="packages/graph_paper/graph_paper.html">

Import into Dart:

import 'package:graph_paper/graph_paper.dart';

Build Notes

Use the update.dart script to build the import .html and .dart files based on the sources in the lib/src directory. The update.dart tool expects to be run in the repository root.

To build this project, run the following command from the repository root of the project:

./tool/update.dart lib/src/graph_paper/graph_paper.html

Running Sample Application

To run the sample application, run the following command from the repository root of the project:

pub serve

Libraries

generate_dart_api
graph_paper.graph_paper

Dart API for the polymer element graph_paper.