Quick Start

No Growth Map
No Growth Map
Population Center Map
Road Network Map
Land Use Map
DEM Model Map
Land Use Map
population Attraction Map
Employment Attraction Map
Transportation Map
Forest Attraction Map
Water Attraction Map
Slop Attraction Map
Probability Map
Probability Map
Estimated Land Use Change Map
Estimated Yearly Growth Map
Population Projection

Steps to Run Model

Prepare and Upload Data

No Growth Map

Description: The "No growth" map is a collection of areas where no development is expected to occur.
Typical land uses that are considered "no growth": flood zones, historic preservation districts, green infrastructure
Recommended tool to create map: ArcGIS
Requirements: Two files are needed for uploading the "no growth" map; a map file and a zip file.
To make zip file, use ArcGIS to make a shapfile for the "no growth" map. Compress the following 8 files that comprise the shapefile: .cpg, .dbf, .prj, .sbn, .shp.(2), .sbx, .shx
"No growth" areas are presented as polygons in GIS.

The following is an example "no growth" map created in ArcGIS.

Upload

Click the button below to enter the Plone site and upload a "No Growth" map. Then, click "Add new.."/"SimMap" to upload.

Provide a descriptive title for your map that will differentiate it from other maps. (The name should only contain letters, numbers, and underscores).
Click "Choose file" to upload the zip file and mapfile.



OBTAIN MAPFILE

LEAM will provide the mapfile. It can be obtained from previously uploaded "no growth" maps. This file contains location information to accurately locate the map in the Google API.

To obtain the mapfile from previously uploaded maps, change the display to Base View. Click the mapfile to download.

Population Centers

Description: Population centers represent the community centers.
Source: Using locally collected data is best but Census data can also be used (Often not accurate, especially for rural areas)
Recommended tool: ArcGIS
Requirements: Two files are needed for population centers; a map file and a zip file. Follow the method mentioned above to obtain map file.
The same process used to make the "no growth" map can be used to make the population centers map and zip it for upload. Note that the "attribute table" of the map should include TWO FIELDS; "total_pop" AND "CLASS".
The "total_pop" values represent the total population of each population center (point data).
The "CLASS" values are the classification number representing population level of a center. You can design you own classification. For example, from lowest population level to highest, the number range from 1 to 5.
Then compress the 8 formats of files ─ .cpg, .dbf, .prj, .sbn, .shp.(2), .sbx, .shx ─ into a zip file.

The Following is a "population centers" map created in ArcGIS.

Click the button below to upload your map in Plone. When in Plone, click "Add new.."/"SimMap" to upload.
Follow the same procedures as the "no growth" map to upload (Note: Title should only contain letters, numbers and underscores).

Employment Centers

Description: Employment centers often represent aggregate employment data given a particular geographic area. For both Employment and Population Center data, disaggregated data tends to provide better results.
Source: The local planning documents or Census data. Note that Census data is often very aggregate resulting in few employment center points. Using locally created data is often best.
Recommended tool: ArcGIS
Requirements: Two files are needed for employment centers; a map file and a zip file. Follow the method mentioned above to obtain map file.
To make the zip file, use the same process mentioned previously but note that the ArcGIS "attribute table" needs to include TWO DATA FIELDS; "total_emp" AND "CLASS".
The "total_emp" values are the total number of employed persons for each employment center.
The "CLASS" values are the classification number representing employment level of a center.
Then compress the following 8 files ─ .cpg, .dbf, .prj, .sbn, .shp.(2), .sbx, .shx ─ into a zip file.

The following is a "Employment centers" map created in ArcGIS.

Click the button below to upload employment centers. When in Plone, click "Add new.."/"SimMap" to upload.
Follow the same process described above to upload (Note: The title should only contain letters, numbers and underscores).

Road Network Map

Description: The road network map represents the EXISTING road system. Subsequent road network maps can be created for scenario building using the same process.
Recommended tool: ArcGIS
Requirements: Two files are needed for road network map; a map file and a zip file. Follow the method mentioned above to obtain map file.
To make the zip file, use ArcGIS to make a shapfile for road network system. The "attribute table" of the map should have TWO DATA FIELDS; "CLASS" AND "SPEED".
The "CLASS" is the road classifications. The 6 classfication numbers should be:
"1": Limited access highway.
"2": Federal highway.
"3": State highway.
"4": County/Neighborhood Road.
"5": new County/Neighborhood Road
"6": Ramp
The "SPEED" presents the average commuting speeds on the roads.

Click this button to upload the map in Plone. When in Plone click "Add new.."/"SimMap" to upload.
Follow the same steps to upload (Note: Title should only contain letters, numbers and underscores).

Land Use Map

Description: The land use map represents the existing land use.
Recommended tool: ArcGIS
Requirements: Two files are needed for the land use map; a map file and a zip file. Follow the method mentioned above to obtain map file.

Use ArcGIS to make the raster map for existing land use. Note: the NLCD map often incorrectly classifies residential and commercial cells (particulary in rural areas). Each pixel has an assigned landuse type classification number. The LEAM Team suggests cleaning up the map as best as possible before uploading to the LEAM model.

Clip the map using Stockholm boundary.

Reclassify the original land use map to the LEAM classification system as follows:
11 (Open Water)
12 (Perennial Ice/Snow- areas characterized by a perennial cover of ice and/or snow, generally greater than 25% of total cover)
21 (existing residential areas)
22 (existing mixed use areas )
23 (existing commercial areas )
31 (Barren Land (Rock/Sand/Clay) )
41 (Deciduous Forest )
42 (Evergreen Forest )
43 (Mixed Forest)
51 (Dwarf Scrub )
52 (Shrub/Scrub )
71 (Grassland/Herbaceous )
72 (Sedge/Herbaceous )
73 (Lichens )
74 (Moss)
81 (Pasture/Hay)
82 (Cultivated Crops)
85 (open areas; light green on plone; not developable)
92 (wetlands)

Compress the raster data to zip file.

Click this button to enter the uploading page, click "Add new.."/"SimMap" to upload.
Follow the same steps to upload (Note: Title should only contain letters, numbers and underscores).

Digital Elevation Model (DEM) Model

Description: The DEM model represents the topography for the study area.
Recommended tool: ArcGIS
Requirements: Two files are needed for the DEM model; a map file and a zip file. Follow the method mentioned above to obtain the map file.
Use ArcGIS to convert the DEM to a raster map
Each pixel is assigned an elevation value.
Compress the raster data to zip file.


Click the button below to upload the map to Plone. When in Plone, click "Add new.."/"SimMap" to upload.
Follow the same steps to upload (Note: Title should only contain letters, numbers and underscores).

The uploaded maps are then assembled as a Driver set

The driver set is used to create the probability map, which determines where cells will be placed.
Follow the steps to load all the uploaded maps to the driverset. A driver set requires the following maps: population centers, employmnet centers, no growth, land use, and road network. Note that the DEM map is used in the background and not required for creating a driverset.

Name your driverste (only contain letters, numbers and underscores).


Population Projections

We have provided preliminary population projections for the model. You should use more accurate projection data to replace our estimates. The values provided in this step determine the number of cells that will be allocated in the model.
The data you need to insert in the boxes include projected populations, employments and the corresponding year for each.

Prepare and Upload Data

No Growth Map

Description: The "No growth" map is a collection of areas where no development is expected to occur.
Typical land uses that are considered "no growth": flood zones, historic preservation districts, green infrastructure
Recommended tool to create map: ArcGIS
Requirements: Two files are needed for uploading the "no growth" map; a map file and a zip file.
To make zip file, use ArcGIS to make a shapfile for the "no growth" map. Compress the following 8 files that comprise the shapefile: .cpg, .dbf, .prj, .sbn, .shp.(2), .sbx, .shx
"No growth" areas are presented as polygons in GIS.

The following is an example "no growth" map created in ArcGIS.

Upload

Click the button below to enter the Plone site and upload a "No Growth" map. Then, click "Add new.."/"SimMap" to upload.

Provide a descriptive title for your map that will differentiate it from other maps. (The name should only contain letters, numbers, and underscores).
Click "Choose file" to upload the zip file and mapfile.



OBTAIN MAPFILE

LEAM will provide the mapfile. It can be obtained from previously uploaded "no growth" maps. This file contains location information to accurately locate the map in the Google API.

To obtain the mapfile from previously uploaded maps, change the display to Base View. Click the mapfile to download.

Population Centers

Description: Population centers represent the community centers.
Source: Using locally collected data is best but Census data can also be used (Often not accurate, especially for rural areas)
Recommended tool: ArcGIS
Requirements: Two files are needed for population centers; a map file and a zip file. Follow the method mentioned above to obtain map file.
The same process used to make the "no growth" map can be used to make the population centers map and zip it for upload. Note that the "attribute table" of the map should include TWO FIELDS; "total_pop" AND "CLASS".
The "total_pop" values represent the total population of each population center (point data).
The "CLASS" values are the classification number representing population level of a center. You can design you own classification. For example, from lowest population level to highest, the number range from 1 to 5.
Then compress the 8 formats of files ─ .cpg, .dbf, .prj, .sbn, .shp.(2), .sbx, .shx ─ into a zip file.

The Following is a "population centers" map created in ArcGIS.

Click the button below to upload your map in Plone. When in Plone, click "Add new.."/"SimMap" to upload.
Follow the same procedures as the "no growth" map to upload (Note: Title should only contain letters, numbers and underscores).

Employment Centers

Description: Employment centers often represent aggregate employment data given a particular geographic area. For both Employment and Population Center data, disaggregated data tends to provide better results.
Source: The local planning documents or Census data. Note that Census data is often very aggregate resulting in few employment center points. Using locally created data is often best.
Recommended tool: ArcGIS
Requirements: Two files are needed for employment centers; a map file and a zip file. Follow the method mentioned above to obtain map file.
To make the zip file, use the same process mentioned previously but note that the ArcGIS "attribute table" needs to include TWO DATA FIELDS; "total_emp" AND "CLASS".
The "total_emp" values are the total number of employed persons for each employment center.
The "CLASS" values are the classification number representing employment level of a center.
Then compress the following 8 files ─ .cpg, .dbf, .prj, .sbn, .shp.(2), .sbx, .shx ─ into a zip file.

The following is a "Employment centers" map created in ArcGIS.

Click the button below to upload employment centers. When in Plone, click "Add new.."/"SimMap" to upload.
Follow the same process described above to upload (Note: The title should only contain letters, numbers and underscores).

Road Network Map

Description: The road network map represents the EXISTING road system. Subsequent road network maps can be created for scenario building using the same process.
Recommended tool: ArcGIS
Requirements: Two files are needed for road network map; a map file and a zip file. Follow the method mentioned above to obtain map file.
To make the zip file, use ArcGIS to make a shapfile for road network system. The "attribute table" of the map should have TWO DATA FIELDS; "CLASS" AND "SPEED".
The "CLASS" is the road classifications. The 6 classfication numbers should be:
"1": Limited access highway.
"2": Federal highway.
"3": State highway.
"4": County/Neighborhood Road.
"5": new County/Neighborhood Road
"6": Ramp
The "SPEED" presents the average commuting speeds on the roads.

Click this button to upload the map in Plone. When in Plone click "Add new.."/"SimMap" to upload.
Follow the same steps to upload (Note: Title should only contain letters, numbers and underscores).

Land Use Map

Description: The land use map represents the existing land use.
Recommended tool: ArcGIS
Requirements: Two files are needed for the land use map; a map file and a zip file. Follow the method mentioned above to obtain map file.

Use ArcGIS to make the raster map for existing land use. Note: the NLCD map often incorrectly classifies residential and commercial cells (particulary in rural areas). Each pixel has an assigned landuse type classification number. The LEAM Team suggests cleaning up the map as best as possible before uploading to the LEAM model.

Clip the map using Stockholm boundary.

Reclassify the original land use map to the LEAM classification system as follows:
11 (Open Water)
12 (Perennial Ice/Snow- areas characterized by a perennial cover of ice and/or snow, generally greater than 25% of total cover)
21 (existing residential areas)
22 (existing mixed use areas )
23 (existing commercial areas )
31 (Barren Land (Rock/Sand/Clay) )
41 (Deciduous Forest )
42 (Evergreen Forest )
43 (Mixed Forest)
51 (Dwarf Scrub )
52 (Shrub/Scrub )
71 (Grassland/Herbaceous )
72 (Sedge/Herbaceous )
73 (Lichens )
74 (Moss)
81 (Pasture/Hay)
82 (Cultivated Crops)
85 (open areas; light green on plone; not developable)
92 (wetlands)

Compress the raster data to zip file.

Click this button to enter the uploading page, click "Add new.."/"SimMap" to upload.
Follow the same steps to upload (Note: Title should only contain letters, numbers and underscores).

Digital Elevation Model (DEM) Model

Description: The DEM model represents the topography for the study area.
Recommended tool: ArcGIS
Requirements: Two files are needed for the DEM model; a map file and a zip file. Follow the method mentioned above to obtain the map file.
Use ArcGIS to convert the DEM to a raster map
Each pixel is assigned an elevation value.
Compress the raster data to zip file.


Click the button below to upload the map to Plone. When in Plone, click "Add new.."/"SimMap" to upload.
Follow the same steps to upload (Note: Title should only contain letters, numbers and underscores).

The uploaded maps are then assembled as a Driver set

The driver set is used to create the probability map, which determines where cells will be placed.
Follow the steps to load all the uploaded maps to the driverset. A driver set requires the following maps: population centers, employmnet centers, no growth, land use, and road network. Note that the DEM map is used in the background and not required for creating a driverset.

Name your driverste (only contain letters, numbers and underscores).


Population Projections

We have provided preliminary population projections for the model. You should use more accurate projection data to replace our estimates. The values provided in this step determine the number of cells that will be allocated in the model.
The data you need to insert in the boxes include projected populations, employments and the corresponding year for each.

Create Scenarios

Save the Scenario to Run the LEAM Model

Note: 1) After you save the scenario, the model will run. 2) When a map is changed for an alternate scenario, you'll need to create a new driverset and scenario.

Wait 30-40 minutes for the model to compute.

Name your model (only contain letters, numbers and underlines).

Create Scenarios

Save the Scenario to Run the LEAM Model

Note: 1) After you save the scenario, the model will run. 2) When a map is changed for an alternate scenario, you'll need to create a new driverset and scenario.

Wait 30-40 minutes for the model to compute.

Name your model (only contain letters, numbers and underlines).


Now Get Your Scenario Results!

Follow the steps to FIND the model results

Click on the following link to go to "Scenarios" window.

The valuable model results are under "Results" folder.


Two valuable results─the estimated land use change and year maps

CHANGE MAP shows the estimation for the commerical growth and residential growth allocation by the end of estimation year.Yellow cells represents residential growth. Red cells represents commerical growth.

YEAR MAP shows the estimated urban area growth every year.The most recent growth is represented by the deepest purple color.