Hydro Poster

About Hydro Poster

River data, composed for print.

Hydro Poster turns a professional GIS workflow into a constrained creative tool. It clips real hydrographic data to a selected place, applies a consistent cartographic hierarchy, and produces a finished poster or reusable vector asset.

Runtime coverage
South America and North/Central America
Spatial sources
HydroRIVERS v1.0 and geoBoundaries
Output
Print posters and transparent design assets

From boundary to finished artwork

A visible result backed by a spatial pipeline.

The interface presents a short creative workflow. Underneath it, each render moves through five explicit stages.

  1. 01

    Boundary selection

    Choose a supported country or administrative area from the geography registry.

    Input: geoBoundaries geometry

  2. 02

    PostGIS clipping

    Intersect HydroRIVERS line geometries with the selected boundary and retain the relevant network.

    Operation: spatial intersection

  3. 03

    Network classification

    Apply the selected density rules and translate source hierarchy into a restrained visual system.

    Result: display classes

  4. 04

    SVG composition

    Combine the classified network with typography, legend, scale, orientation, and source details.

    Renderer: shared preview/export path

  5. 05

    Export

    Render the reviewed composition for print, digital display, or continued vector design work.

    Formats: SVG, PNG, PDF

One source, two working modes

Finished composition or reusable geometry.

Poster mode

Preserves the complete composition, including typography, cartographic elements, and source information.

Design asset mode

Removes the poster chrome and exports the river network on a transparent background for continued design work.

Preview and export use the same SVG renderer, so layout, type, color, and metadata choices follow the reviewed composition into the final file.

Generated Guyana river network poster using the Parchment palette
Guyana / balanced density / Parchment palette

Where it fits

Useful outputs, without GIS overhead.

Cartographic posters

Create high-resolution compositions for print or digital display without rebuilding the spatial workflow in desktop GIS software.

Vector design assets

Export a transparent river network as SVG or PNG for use inside a broader design composition.

Spatial communication

Show the density and hierarchy of a river network through a consistent, readable visual protocol.

Intentional constraints

A generator, not a general-purpose GIS.

The product narrows a complex cartographic process to the choices that materially shape the output. Presets protect consistency and make the result reproducible.

  • No custom dataset uploads in the current product.
  • No unrestricted cartographic styling or full GIS toolset.
  • No global runtime dataset; current coverage is regional.
  • Design assets use SVG or PNG, while poster exports also support PDF.

Build from the network.

Select a supported geography and review the rendered composition.

Open the Studio