Notes for Project 6 PVA Pro 9000. Problem Definition The PVA Pro 9000 is a software application to...
Transcript of Notes for Project 6 PVA Pro 9000. Problem Definition The PVA Pro 9000 is a software application to...
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Notes for
Project 6PVA Pro 9000
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Problem Definition
The PVA Pro 9000 is a software application to support the estimation of acreage from aerial photographs or maps of geographical regions. The program provides the following functions:
Open an aerial photo or map image.
Set the scale of the image (e.g. pixels per unit distance).
Permit the user to define a boundary around a region (e.g. a field).
Compute the area contained in the defined boundary.
Select a boundary for edit or deletion.
Save the Image and the associated boundaries.
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this distance = 200 meters
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user clicks on image to draw a polygonal boundary
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program uses boundary points and scale factorto compute an estimate of the acreage of theenclosed area.
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Image, scale, and polygons will be saved so that they canbe opened as a unit and edited.
Include options for opening image only or complete session
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