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USGS

Isis 3 Application Documentation


seedgrid

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Creates a control network for a Lat/Lon range

Overview Parameters

Description

This program creates a control network for a latitude/longitude range on a specified target planet using a specified projection type to do the seeding. The control network generated will have no control measures, but will instead have a known latitude and longitude for each control point.


Categories


History

Stacy Alley2009-07-27 Original version
Travis Addair2009-08-27 Fixed error when calculating X/Y range and added application test.
Travis Addair2009-09-11 Added parameter allowing user to enter in projection type to use in seeding process.
Travis Addair2009-09-14 Changed means of entering projection type to be a map file so as to allow for more customization and accepted projection types.

Parameter Groups

Target/Range

Name Description
PROJECTION File containing mapping parameters
MINLAT Minimum Latitude
MAXLAT Maximum Latitude
MINLON Minimum Longitude
MAXLON Maximum Longitude

Step Size

Name Description
XSTEP Step Size in the x direction.
YSTEP Step Size in the y direction.

Control

Name Description
NETWORKID Name of this control network
POINTID The pattern to be used to create point ids.
DESCRIPTION The description of the network.

Files

Name Description
TO Output control network
X

Target/Range: PROJECTION


Description

A file containing the mapping parameters in PVL form. This file can be a hand produced label file. It can also be an existing cube label which contains a Mapping group. You can produce map files using the "maptemplate" program.

Type filename
File Mode input
Filter *.map *.cub
Close Window
X

Target/Range: MINLAT


Description

This is the minimum latitude for the Lat/Lon range.

Type double
Close Window
X

Target/Range: MAXLAT


Description

This is the maximum latitude for the Lat/Lon range.

Type double
Close Window
X

Target/Range: MINLON


Description

This is the minimum longitude for the Lat/Lon range.

Type double
Close Window
X

Target/Range: MAXLON


Description

This is the maximum longitude for the Lat/Lon range.

Type double
Close Window
X

Step Size: XSTEP


Description

Points will be placed on the grid in the Lat/Long range in the step descriped here.

Type double
Close Window
X

Step Size: YSTEP


Description

Points will be placed on the grid in the Lat/Long range in the step descriped here.

Type double
Close Window
X

Control: NETWORKID


Description

The ID or name of this particular control network. This string should be unique.

Type string
Close Window
X

Control: POINTID


Description

A string with one and only one set of question marks ("?"). This string will be used to create unique IDs for each control point created by this program. The question marks will be replaced with a number beginning with zero. For example the pattern "User????" would create point IDs "User0001" through "User9999". Note: Make sure there are enough "?"s for all the control points that may be created during this run. If all question marks are exausted the program will throw an error.

Type string
Close Window
X

Control: DESCRIPTION


Description

A string describing purpose of this control network.

Type string
Close Window
X

Files: TO


Description

This file will contain the control network

Type filename
File Mode output
Close Window