Advanced Web GIS Platform
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Complete guide to spatial data analysis
Click "Import Data" to upload CSV, Shapefile, GeoJSON, or KML files. CSV files should contain latitude/longitude columns.
Use the layer panel to manage visibility, view attributes, and apply styling. Each layer has tools for analysis and visualization.
Use spatial analysis tools to process your data, then export results in various formats for further use.
Show/hide layers on the map
View and analyze feature data
Customize colors and symbols
Download processed results
Create buffer zones around points, lines, or polygons at specified distances. Supports multiple buffer distances and various distance units.
Merge adjacent or overlapping features that share common attribute values into single geometries.
Generate geometric center points or representative points on surface for polygon features.
Create regular grid patterns (square, rectangular) based on input layer extent. Option to generate grid cells only where input geometry intersects, or create a complete grid covering the entire extent.
Identify and remove duplicate features based on geometry data or attribute values. Supports case-sensitive/insensitive comparison for text attributes and flexible output options.
Join attributes from a target layer to a source layer based on matching attribute values. Choose to create a new layer or update the existing source layer.
Convert closed line strings (linestrings that form complete loops) into polygon features, similar to QGIS functionality.
Create polygons from a planar graph of line segments by identifying closed cycles and converting them to polygon features.
• Buffer Analysis: Use negative buffer values to create inward buffers for polygons
• Dissolve: Choose the right attribute field to group features effectively
• Generate Grid: Consider your analysis purpose when choosing between full extent and geometry-intersected grids
• Remove Duplicates: Always preview results by creating a new layer before applying changes to your original data
• Join Operations: Ensure matching data types between join fields for accurate results
• Geometry Conversion: Validate input geometries before conversion to avoid errors
Comprehensive guides and API reference available online.
Join our community forum to ask questions and share insights.
Convert line features to polygon features
Convert line features to polygon features for encloses area
Generate centroids or points on surface for polygon features
Create a regular grid with flexible parameters and coverage options
Remove duplicate features from your layer using geometry or attribute comparison