in this context visibility is intended to mean whether a real world object is visible from a point or location on a map. It is not intended to mean whether a map layer is visible when another map object is drawn on top of it.

learn more… | top users | synonyms

11
votes
4answers
1k views

Calculating visible sky percentage?

Can anyone explain, as simply as possible, how to calculate the visible sky percentage? I have done a satellite survey and have worked out the height of buildings and the distance between them. ...
4
votes
2answers
279 views

Calculating the visibility of an observer walking a line transect

I was wondering if anyone can help. I'm want to calculate the visibility for an observer doing a bird survey by walking 1km transects broken up into 200m sections. I want to calculate the visibility ...
4
votes
1answer
3k views

Layer visibility using maxscale minscale not working

I'm using Openlayer and Geoserver. I have a series of layers that have a scale parameter like: 1:50000-1:25000 where 50000 is the max scale while 25000 is the minscale. I have a map like in this ...
0
votes
0answers
44 views

How to perform Visibility Analysis using QGIS? [duplicate]

How can I calculate Visibility using QGIS? I have not found any suitable plugins for QGIS to do this.