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High Resolution 1:10,000 scale Mapping Strategy of Multi ... - NDMA

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4) Importing<br />

Time<br />

Easily imported<br />

into<br />

photogrammetric<br />

project as the<br />

number<br />

<strong>of</strong> images<br />

covering the<br />

project area are<br />

very few.<br />

5) Import Importing is<br />

available in all<br />

versions<br />

6) Date <strong>of</strong> Pass 28Feb 07<br />

Takes more<br />

time for<br />

importing as<br />

there are more<br />

number <strong>of</strong><br />

images<br />

covering the<br />

same study<br />

area.<br />

Staging is<br />

required in all<br />

versions<br />

Easily imported into<br />

photogrammetric<br />

project as the number<br />

<strong>of</strong> images covering the<br />

project area are very<br />

few.<br />

Importing in latest<br />

versions<br />

7) <strong>Resolution</strong> 2.5 m 0.5 m 0.6 m<br />

8) Lateral<br />

Overlap (%)<br />

9) Forward<br />

Overlap (%)<br />

<strong>10</strong>) AFT and<br />

Fore<br />

3. Control Network<br />

1) No. <strong>of</strong> GCPs<br />

required <strong>10</strong>0 sq<br />

km<br />

4. Photogrammetric<br />

process<br />

1) Block<br />

adjustment<br />

1 GCP per <strong>10</strong>0<br />

sq km (minimum<br />

5 per scene)<br />

Most cost<br />

effective in terms<br />

<strong>of</strong> GCP collection<br />

(a) The points 9 point pattern<br />

per scene 0.1<br />

pixel<br />

(b) RMSE<br />

15 15 15<br />

<strong>10</strong>0 <strong>10</strong>0 <strong>10</strong>0<br />

16 GCPs per<br />

<strong>10</strong>0 sq km<br />

9. points pattern<br />

per scene 0.2<br />

pixel<br />

3 GCPs per <strong>10</strong>0 sq km<br />

9 points pattern per<br />

scene<br />

115

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