The tag has no wiki summary.

learn more… | top users | synonyms

2
votes
3answers
86 views

Creating a simulation of how people moving around a site

I am working on a project aiming to create a geographic simulation for how people interact around a site. Situation: There are x people in an enclosed area (such as a zoo). There are y locations to ...
1
vote
1answer
54 views

Taxi fleet simulation - MATSim a useful tool?

I am working on a university project and I would really appreciate some advice: My project consists in modeling the taxi fleet of a major city and investigating if replacing a percentage of the fleet ...
0
votes
1answer
50 views

Change slopes derived from DEM

I have a DEM for a region over which I want to simulate an ecological process. I would like to run several simulations for the same region but I want to alter the topography for the simulations. ...
1
vote
1answer
49 views

Arcgis 9.3 Conditional Statement

I'm having trouble performing calculations with single output map algebra ArcgIS 9.3 using conditional statements and applying it to several model outputs as they are generated: The statement is: ...
3
votes
0answers
118 views

Agent Analyst extension for ArcGIS

I am trying to create agent based model for simulating movement of occupants in different rooms of different floors of a building. I am using Agent Analyst tutorial downloaded from ESRI website and ...
2
votes
3answers
157 views

I have n points, how do I find the closest one from a point p by road?

I'm currently working on a map with stores and clients. I want to find the closest store by road from a given client, with the aim of simulating the creation of a new store. Requirements: ...
1
vote
1answer
548 views

Is there any pseudocode for MFD (multiple flow direction) algorithm available?

Still stuck with the simulation system, is there any good pseudocode for the multiple flow direction (MFD) algorithm? I read a pseudocode example and implemented it, however the simulation was linear: ...
2
votes
0answers
88 views

How to create the fuel models & live fuel moisture rasters for Wildfire simulation?

Has anybody done wildfire modelling in GRASS? Where could I obtain / how do I create the fuel models and live fuel moisture rasters to determine rate of spread (r.ros)?
17
votes
2answers
359 views

Is there a standard data model for storing traffic volumes, layout, lanes, timing and phasing information?

I am at a crossroads where I want to store more than a scenarios worth of project data from a Synchro study, but do not want to keep this data in a series of text files. The data output by Synchro is ...
2
votes
1answer
614 views

How to use GRASS with HEC-RAS?

I am trying to use HEC-RAS for the flood modelling of my flood simulation. How do I use the text file output of HEC-RAS with the GRASS script r.inund.fluv?
7
votes
1answer
438 views

How to simulate moving vehicles?

I have a point layer (stored in SQL Server 2008) that is being served up by a map service in ArcGIS Server 10.1. I am consuming this service in a web client. Lets say the points are boats out at ...
7
votes
2answers
589 views

Are there GIS tools for simulating landscape fragmentation?

I am currently looking for any GIS packages (or add-ons) that allow the simulation of landscape fragmentation on raster data. Maybe also other software than GIS tools? Does anyone of you have had ...
14
votes
1answer
704 views

Monte Carlo simulation using QGIS and pgRouting on optimal sidewalk construction

I am new to spatial analysis and would appreciate some general direction on a project I am attempting, outlined below (I am starting from scratch). GOAL: To find the best locations to install 2000 ...
4
votes
3answers
704 views

How to create network simulation / temporal models for videos?

I know of ArcGIS Tracking analyst and QGIS Time Manager. I have a transportation network with time based schedule for buses. I will create time aware shapefiles from this data. Is it possible to ...
4
votes
1answer
570 views

Simulation envelopes and significance levels

Many spatial analysis packages provide Monte Carlo techniques to simulate upper and lower “envelopes” for a summary statistic as a function of distance (e.g. K-function, nearest neighbor, etc…). ...