Condition-Based territory search

 Previous Top Next

Zones are assigned based on sets of objects. A new object set is created using the "Filter objects by classifier" dialog, which opens by clicking the "Add object set" button. An existing object set can be added using the "Add object set from list" option. The object lists themselves are pre-configured using the "Object Lists" dialog.

 

clip0032

 

Creating an object clip0033 set is done using the Classifier Object Filter dialog, which opens by clicking the Add Object Set button clip0034. Adding an object set can also be done using Add Object Set from Listclip0035. The object lists themselves clip0036 are pre-created using the Object Lists dialog.

The figure shows the configuration of zone parameters.

 

For the "Water Bodies" list, the Zones of Interest category is enabled with a radius of 1000 meters and the Restricted Zones category with a radius of 20 meters. This means the sought-after territory must be located no further than 1000 meters and no closer than 20 meters from water bodies. In this case, the restricted zone will be subtracted from the zones of interest. The result will be saved as semi-transparent polygonal objects of the "Terrain Property Evaluation Zone" type, with the relaxed lilac color assigned to the "Water Bodies" list.

For the "Parcels" list, the Zones of Interest category is enabled with a radius of 0 meters. This means the sought-after territory must belong to (i.e., be within) the parcels. The result will be saved as semi-transparent polygonal objects of the "Terrain Property Evaluation Zone" type, with the relaxed orange color assigned to the "Parcels" list.

For the "Roads" list, the Restricted Zones category is enabled with a radius of 200 meters. This means the sought-after territory must be no closer than 200 meters from roads. The restricted zones built around roads will be subtracted from the zones derived from water bodies and parcels.

 

The areas where the Zones of Interest for "Water Bodies" and "Parcels" intersect are saved as red closed contours – these zones meet all the specified conditions. The areas clipped by the radii of the restricted zones are indicated by black arrows.

 

clip0037

 

Parameters File

The execution parameters are saved in an XML file with the extension .findarea, stored in the map's folder. For the original map c:\Users\Public\Documents\Panorama\Panorama15\data\noginsk\noginsk.mpt, the parameters file ..\noginsk\noginsk.mpt.findarea is created.

 

Example File:

 

xml

<?xml version="1.0" encoding="UTF-8"?>

<findarea>

 <theme name="Territory Map" rscname="service" key="EstimProp" units="0" minsquare="100">

   <set ident="1" interest="1" radius="1000" ban="0" banradius="0">

     <model> name="Lakes"...</model>

   </set>

   <set ident="2" interest="0" radius="1000" ban="1" banradius="200"/>

     <model> name="Roads"...</model>

   </set>

   <set ident="3" interest="1" radius="2000" ban="1" banradius="100"/>

     <model> name="Plots"...</model>

   </set>

 </theme>

</findarea>

 

XML Node Structure:

 

Node                

Parameter

Description

findarea

 

Root node

theme

 

Output theme

 

name

Name of the output map

 

rscname

Name of the classifier

 

key

Key for the polygonal objects in the output map

 

units

Area measurement units 0 – sq. meters, 1 – sq. kilometers, 2 – hectares

 

minsquare

Minimum territory area.

If minsquare <= 0, this parameter is ignored

set

 

Set of objects from the source map

 

ident

List identifier

 

interest

Flag for a zone of interest (1/0)

 

radius

Radius of the zone of interest around the list's objects

 

ban

Flag for a restricted zone (1/0)

 

banradius

Radius of the restricted zone around the list's objects

model

 

Model defining object selection conditions

 

name

Name of the model

 

The search result is saved to the file ..\noginsk\noginsk.mpt.findarea.sitx.