The model tag has no wiki summary.
-2
votes
0answers
20 views
Future Climate Variables [closed]
I want to know future climate variables.
There are many Regional Climate Model, so I'm not which the best.
Again, I don't know what required data to run the model.
If possible models that run under ...
0
votes
1answer
13 views
Geodjango InspectDB Fails on Postgis Raster_Columns View
I am trying to generate models for an existing Postgresql database using the Django InspectDB command. Models are produced but a failure occurs on the raster_columns view. The error is:
Exception: ...
10
votes
2answers
285 views
Regression Model and Spatial Autocorrelation
I have used OLS and GWR for validating the dependencies between two distinct database. The Residual Square for GWR is 0.82 and thereby making it the right regression model to be used for determining ...
0
votes
1answer
40 views
ArcGIS 10 - Model for batch select polygons by attribute and merge them together
Is there is a way to create a ArcGIS 10 MODEL to:
1. batch select polygons from the same layer by attribute
2. merge these polygons into one
3. repeat this for all polygons shearing the same ...
1
vote
0answers
42 views
SAGA kernel density error with Sextante Modeler
I can succesfully perform SAGA kernel density analysis with Sextante (1.0.7) in QGIS 1.8.0. But i want to built an automated tool for this job with Sextante Modeler. But i got foolish errors. This ...
3
votes
0answers
43 views
Can layers from Spatialite db be used as input for a Sextante model?
I'm trying to build my first models in SEXTANTE and already fail at the start. It seems not to be possible to add a vector layer which derives from a database. Orginally, the layers are from a .mdb. I ...
3
votes
1answer
65 views
Lightning Data Analysis
Hi I am new to model builder in GIS. I have two shapefiles, one is a polygon shapefile of all lightning caused fire in Alaska sine 1939 (~1500 polygons) and the second is a point shapefile with all ...
7
votes
2answers
90 views
How do you treat partial 3d features in PostGIS?
We have features from survey data that contain partial 3d information.
The most common example would be a 2D LineString representing a road, that contains elevation information in certain points ...
1
vote
1answer
66 views
Is a new map object required in order to create a wms overlay on top of a current map object with wfs layers using the leaflet api
I am trying to add a wms tile layer overlay over a wfs tile layer which I added to a map object. When I tried to simply add a layer on top of my current setView for my map object it overwrote the ...
0
votes
0answers
67 views
How to write model in ModelBuilder which connects to SQL Server database and merges subparcels by unique parcel Id?
How to draw a model in model builder; conecting to the database through SQL Server and merging the subparcels of a parcel who has unique Id?
Any help is much appreciated.
3
votes
0answers
106 views
How to solve the problem when buildings are extruded without roof?
I tried to extrude buildings in ArcScene with Extrusion function in Layer Properties. But most of the buildings seem like only their walls are extruded. Instead of solid blocks, they appear like no ...
2
votes
1answer
444 views
Modelbuilder - Feature Dataset Iterator
I had posted this on the ArcGIS forums, but thought I may get some further input here.
Having issues acquiring the appropriate input and erase features during the iteration process.
Please see ...
3
votes
2answers
294 views
How to speed up the process of vector data visualization for a web application
I have a GIS web application and vector data that is going from the model to the web application. For developing the User Interface I am using JavaScript and OpenLayers. But sometimes the amount of ...
3
votes
2answers
191 views
How to generate Buildings ID numbers inside parcels
In order to decrease manual data entry, I would like to automate a task to generate numbers for all buildings inside a parcel starting with 1. For example, I have 4000 parcels and each parcel has ...
4
votes
1answer
195 views
Nested Iteration with model builder - using nested models
I'm new to using model builder and have to do a nested iteration (for every month I have to iterate through 6 parameters). I am thinking of doing that by using nested models. One model doing the ...
2
votes
1answer
70 views
How to rename rasters in directory based on field value of their centroid feature class in ArcGis?
I have a lot of rasters named like r001.tif, r002.tif and so on. There is a point shapefile with centroids of these rasters and their real name in the attribute table. I'm looking for a way or some ...
1
vote
0answers
114 views
How to create a dynamic distance calculator for selected line feature classes?
My situation:
I am relatively new to GIS so forgive me if this is a stupid question. I am working on a project at a park that I am interning at where the goal is to create a single feature with ...
