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14
votes
3answers
251 views

When did the word “geospatial” first come into usage?

For historical reasons, I'm trying to figure out when the term "geospatial" came into use? The earliest usages I can find are from around 1994, but I would be really surprised if it wasn't used ...
6
votes
1answer
76 views

Is there a name for map projections that produce two disks?

I've seen lots of world maps in the shape of two disks that touch, each one a separate projection of one hemisphere onto a disk -- usually the Western Hemisphere and the Eastern Hemisphere -- so ...
2
votes
0answers
71 views

Linear Referencing Methods: Station Equation origins

I am working in the pipelines field, and I get in touch with the concept of the linear referencing methods, specifically with station equation method. I had to do research about this method, I'm ...
8
votes
1answer
391 views

Is There A Term For The Old Maps That Had Lines Connecting Pin-Wheels?

Many old maps have lines like below. Is there a term for a map with that type of lines? (from http://r-russell0912-dc2.blogspot.com/2011/01/pirate-maps-and-old-maps.html) My best hypothesis is that ...
1
vote
1answer
210 views

Looking for QGIS Presentation info

I'm preparing a presentation of QGIS to release of the brazilian QGIS user guide. Thus, I would like insert some information about QGIS in global scale. Something like Tim's qgis-for-humanity ...
0
votes
0answers
31 views

Historic country borders in GIS format? [duplicate]

Possible Duplicate: Is there a source for historical shapefiles and tiles? Does anyone know of a good source for historic country borders, in a GIS file format, like shapefiles? I've been ...
4
votes
2answers
161 views

What to do with old GIS books/manuals/etc?

We're having an office clear-out and have come across a number of old GIS paper materials. Random examples (to give a taste - there are about 20-30 in all) include: Postcodes: The New Geography ...
8
votes
1answer
185 views

How to plot approximate geospatial data on a historical map?

Our library is undertaking a project to map historical data regarding 18th and 19th century British and American printers and publishers. One of the problems that we have encountered is the different ...
12
votes
3answers
563 views

80% of data has a spatial component, says who?

This quote about how 80% of all data has a spatial component has been bandied around everywhere. Introduction to GIS classes, product descriptions, talks, etc. Would anybody know who first said it? Or ...