Parent Topic: Accuracy Assessment
Samples from Vector Segment
The ``Load Sample from Vector Segment'' panel contains a scrolled list
of database vector segments from which previously created sample points
can be loaded. Random samples are added to the existing
list of sample points already showing in the main Accuracy Assessment panel.
In this way, samples from several sources can be merged.
The selected vector segment may be been created by a previous Accuracy
Assessment sessions or from another source entirely. The vector segment
stores each sample point location using georeference coordinates
(Easting and Northing), one integer attribute value (the reference class
value), and a possible text value representing the name of the class.
Two lists are presented which allow you to specify which field is used as the
attribute value and which fields may be used for the text value. The
text value is optional.
This panel has the following action buttons along the bottom:
- Accept: This button loads sample points from the selected vector segment
and closes the panel.
- Cancel: This button closes the panel without loading sample points.
- Help: This button displays this help information.
Parent Topic: Accuracy Assessment
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