wxGUI.vnet(1grass)

💖 wxGUI.vnet — the Vector Network Analysis Tool ✨

okay bestie, gather round, because this is wxGUI.vnet from the 1grass manual and it is lowkey iconic 🦋

KEYWORDS: vector, network, vector

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🌈 DESCRIPTION 🌈

The Vector Network Analysis Tool is a graphical front-end for the v.net* modules, and honestly? she understood the assignment. 💅 It lets you do network analysis directly in wxGUI without ever touching the command line. No cap. 🫶

Wanna launch her? Two ways, both slay:

• From the Layer Manager menu: Vector → Network analysis → Vector network analysis tool
• From the Map Display toolbar: Analyse map → Vector network analysis tool

Subsets for nearest centers (v.net.alloc) 🎀

✨ What she can actually do (the résumé) ✨

Vector Network Analysis Tool currently allows you to:

• perform these network analyses:
  • Shortest path (v.net.path) 🛣️
  • Salesman (v.net.salesman) 🚗
  • Flow (v.net.flow) 🌊
  • Allocate subnets for nearest centers (v.net.alloc) 🎯
  • Steiner tree for the network and given terminals (v.net.distance) 🌳
  • Splits net by cost isolines (v.net.iso) 📏
• show and set all data needed for the analysis (points, attribute tables, compute costs) 🧮
• show analysis results (maps and it's attribute tables) 👀
• snapping to nodes 🧲
• browse previous analysis results 🕰️

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🎀 NOTES 🎀

The tool is split into tabs, and every tab represents some functionality. It's giving organized. 💅

🧚 Parameters tab

It is used for setting vector map and it's layer on which analysis will be done. Also it is possible to set columns with cost values from attribute table connected to particular layer. ✨

🍓 Points tab

It manages points, which are used for analysis. 📍

💜 Output tab

There is a output console, which shows information about running analysis. 🖥️

🌸 Input tables tab

When existing vector map and it's existing layers are set in Parameters tab, this tab is dynamically added — yes, she appears on her own, main character behavior 👑. It shows attribute tables of node and arc layers, which were chosen for analysis.

It is also possible to compute cost values in this tab. This can be done by right mouse button click on column label. Then from pop-up menu choose Add column, where new column for cost values can be created. After that, by right mouse button click on the added column label, can be chosen item Field calculator. This tool computes cost values. 🧮💖

⭐ Result tables tab

The result of vector network analysis is always a vector map. Some vector network analysis results can also include attribute tables. If such a table is connected to the result map, this tab is shown and with it you can browse the data. 📊

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😭 KNOWN ISSUES 😭

When some change is done in layer tree of Map Display, temporary vector map representing result of analysis is not rendered — she's just ghosting you fr fr 💀. Use the Show result button in toolbar to render it again. 🫶

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🔥 SEE ALSO 🔥

• wxGUI, wxGUI components
• See list of vector network modules.
• See also the user wiki page including video tutorial.

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👑 AUTHOR 👑

Stepan Turek, Google Summer of Code 2012 (mentor: Martin Landa)

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💖 SOURCE CODE 💖

Available at: wxGUI Vector Network Analysis Tool source code (history)

Accessed: Friday May 08 10:38:23 2026

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© 2003-2026 GRASS Development Team, GRASS 8.5.0 Reference Manual

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and that's the whole vibe bestie — GRASS 8.5.0, wxGUI.vnet(1grass), go off and analyze some networks, periodt 💅✨