Karim Bahgat

[Karim Bahgat @karimbahgat]

@seldo It’s not too much to ask. Her are two:
1) CShapes has detailed boundaries of independent states since 1800ish [https://t.co/O6IKIx2QrH]
2) Historical Basemaps has longer term changes incl kingdoms etc but is lower/uncertain quality [https://t.co/xPf2zDluGI]

[Karim Bahgat @karimbahgat]

@pokateo_ In the article, Goodchild highlights «six principles that appear to be generally true of geographic information but not necessarily true of spatial information.»

[Karim Bahgat @karimbahgat]

@pokateo_ I remember reading something about this in Michael Goodchild’s «A Geographer Looks at Spatial Information Theory», touching on many of the points already raised: «The spaces defined by the human body, or an automobile, or the universe are instances of spatial.»

[Karim Bahgat @karimbahgat]

@pokateo_ From this perspective the term geospatial is essentially identical to and redundant with geographic…» At the same time however: «While geographic inherits many of its properties from spatial, it also adds new ones, and thus specializes the definition.»

[Karim Bahgat @karimbahgat]

@pokateo_ «…geographic refers to a spatial domain consisting of the Earth’s surface and near-surface…from perhaps 1cm to 10km… In this sense geographic is a subset or specialization of spatial…»

[Karim Bahgat @karimbahgat]

@buttsmeister In more recent versions, Shapely has the shapely.ops.split() function which does what you want, unless i’m misunderstanding. Cool polygon triangulation though! https://t.co/KJ2IGdLC61