Draw, Download, and Print Rectangles on a Map – With Automatic Area Calculations

Welcome to the ultimate rectangle-drawing tool for maps, designed to give you more flexibility, accuracy, and features than ever before. Whether you’re planning land use, visualizing boundaries, or simply experimenting with mapping tools, our tool has you covered.

Why Choose Our Tool?

• Better & Faster: Experience a seamless, intuitive interface that lets you draw rectangles with ease and precision.
• Automatic Area Calculations: Get the area of each rectangle calculated instantly in your choice of units – feet, meters, kilometres, or miles.
• Download Your Work: Export your drawn rectangles as files in GeoJSON format for further use or sharing.
• Print Maps Effortlessly: Save your map with drawn rectangles and area information included, ready for printing or presenting.

Web-Based Area Measurement and Mapping Tool Documentation

Overview

This web-based mapping application enables users to measure and analyze areas directly in their browser. Perfect for real estate professionals, urban planners, architects, surveyors, and anyone needing accurate area measurements from aerial imagery.

Key Features

• Draw and measure rectangular areas on interactive maps
• Switch between street and satellite imagery
• Export measurements and geometries
• Print professional reports
• Mobile-friendly interface
• No installation required

Basic Navigation

• Pan: Click and drag the map
• Zoom: Use the mouse wheel or the +/- buttons
• Reset View: Double-click to zoom in, or use the home button to reset the view

Drawing and Measuring Areas

Creating Measurements

1. Click the rectangle tool in the top-right toolbar
2. Click and drag on the map to draw a rectangular area
3. Release to complete the drawing
4. A numbered marker will appear with area measurements in:

• Square feet (ft²)
• Square meters (m²)
• Square kilometers (km²)
• Square miles (mi²)

Editing Measurements

1. Click the edit tool (pencil icon)
2. Select a rectangle to:

• Resize by dragging corner handles
• Move by dragging the entire shape

1. Click ‘Save’ to confirm changes
2. Measurements update automatically

Deleting Areas

1. Click the trash can icon
2. Select the areas you want to remove
3. Click ‘Save’ to confirm deletion
4. Remaining areas will automatically renumber

Using Base Maps

Available Map Types

• OpenStreetMap: Detailed street-level mapping
• Satellite: High-resolution aerial imagery

Switching Maps

1. Use the dropdown menu in the top control panel
2. Select your preferred map type
3. Map will update automatically

Exporting and Printing

Downloading Measurements

1. Click the “Download Geometries” button
2. A GeoJSON file will be saved to your device
3. This file contains all drawn areas and their measurements
4. Compatible with most GIS software

Printing Reports

1. Click the “Print Map” button
2. A print preview will open showing:

• The current map view with all measurements
• A numbered list of all areas and their measurements

1. Use your browser’s print function to create a PDF or paper copy

Tips for Accurate Measurements

• Zoom in close to your area of interest for more precise drawing
• Use satellite view for better visibility of property boundaries
• Double-check measurements by redrawing areas when needed
• Consider your area’s projection when measuring large areas

Use Cases

• Real estate: Measure property sizes and development areas
• Urban planning: Analyze land use and development potential
• Agriculture: Measure field sizes and plan land use
• Construction: Calculate project areas and material requirements
• Education: Teaching spatial awareness and geography

Technical Notes

• All measurements are calculated using geodesic formulas
• Areas are measured considering Earth’s curvature
• Coordinate system: WGS 84 (EPSG:4326)
• Export format: GeoJSON (compatible with most GIS software)