Tagged Questions

Perl is a high-level, general-purpose, interpreted, dynamic programming language. Not as common in spatial analysis as Python, it is still used for high performace mathematics and text manipulation functions.

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1
vote
0answers
736 views

How can I get all the latitude, longitude coordinates/points inside a rectangular polygon drawn in google maps?

Google maps lets you obtain a valid address by clicking on houses or buildings one by one, but it would be much easier if you could draw a polygon on the map and get a list of all valid addresses ...
1
vote
2answers
131 views

KML Balloon Not Showing Up In <Folder>

I've created a perl script to create multiple line files from points. It iterates through, creates everything as expected. When you hover over a line, I get a balloon with all of the attribute ...
2
votes
2answers
165 views

How do I produce map images for Wikipedia?

I would like to make several map images (e.g. SVG or PNG) like those on wikipedia but in not popular projection. I am interested in scripting solution. Here I found this note: Generation Notes perl ...
0
votes
1answer
193 views

Drawing on jpg-map image with proj4 (perl)

From the point of view GIS professionals this question will be sure very primitive, but please keep in mind - i'm totally newbie in this area - and this is my 1st question here. Have several GPS ...
3
votes
0answers
168 views

Closest set of points to another set of (predefined) points

I have 10 sets of points which I call templates that I have manually classified from 0 to 10. Each point is a X, Y coordinate in a text file. Each template has 5-8 points. I have new sets of points ...
5
votes
2answers
402 views

How to identify polygons that have shared boundary?

I have hundreds of polygons that represent plants geographical ranges around the globe. For each species I have both a shapefile and collection of findings as points. I would like to analytically ...
1
vote
3answers
320 views

Can one edit xls, and convert xls to csv - with a portable python or Perl module? [closed]

I am on a network and computer where nothing can be installed. On this computer i run portable apps through a USB, however I need also to to edit xls, and save as csv. Since i cannot install anything ...
3
votes
2answers
771 views

How should I go about calculating the centroid of several lat long points in python, and perl?

Calculating the centroid several time on a number of geographical points. I was wonder is there a perl or python module that could make my life easier when working with large datasets of lat long ...