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Block 17 NFT Features

Eric E Palmer edited this page Oct 23, 2026 · 1 revision

Describe Block 17 - NFT Features here.

Previous version

Intro

We are expecting the following levels of tiling.

Image Number GSD of last image Pre-tile Now Post-Recon A Post-Recon B Area
1-11 8cm 14cm NA NA Global'ish
11-17 5cm 5cm NA NA Several 100m
18-23 3.4cm 5cm NA NA 100x100m TAG
Check Point
23-26 2.3cm 5cm 2cm NA 50x50m TAG
Match Point
27-29 0.6cm 5cm 2cm 1cm 25x25m TAG

General

Setup

Extra item names

  • A 15cm DEM for evaluation
  • B... and following
  • Z is a single maplet over the region (22cm/Q=49)
  • Y is the tiling bigmap (22cm/Q=116)
  • X is the matching maplet that provides extra "umph" to the 35cm images (22cm/Q=81 - just a touch bigger)
  • W is the working maplet. We use this for all of our processing. A is a published version and not the starting thing.
  • V is a small bitmap that just covers the ROI
bigmap Q GSD Width Purpose
A... 67 15cm 20m 10m radius, published to the team
B, C... 200 5cm 20m 10m radius, published to the team
V 60 5cm 6m Just barely covers the ROI, assuming 6m radius
W 350 5cm 35m Baseline width we use for the ROI to cover outlying regions
X 99 5cm 10m Central reference maplet. Used to denote the middle of the object for lithos, CSPLOT, etc
Y 250 5cm 35cm The region to tile at 14 and 5cm
Z 49 5cm 5m Temporary maplet, used in evaluation scripts -- dynamically built.

Tiling using XXXXXY, . Iterate over XXXXX,

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