making google maps. start with a list of papers by city+country this list was generated by: 1. edit...
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![Page 1: Making Google Maps. Start with a list of papers by city+country This list was generated by: 1. Edit out-file/Standardize addresses/Clean and add address](https://reader038.vdocuments.mx/reader038/viewer/2022110207/56649d835503460f94a6a245/html5/thumbnails/1.jpg)
Making Google Maps
![Page 2: Making Google Maps. Start with a list of papers by city+country This list was generated by: 1. Edit out-file/Standardize addresses/Clean and add address](https://reader038.vdocuments.mx/reader038/viewer/2022110207/56649d835503460f94a6a245/html5/thumbnails/2.jpg)
Start with a list of papers by city+countryThis list was generated by:1. Edit out-file/Standardize addresses/Clean and add address fields (oux-file)2. Edit out-file/Standardize addresses/City and country truncate (tru-file)Also, a new file with duplicates removed was made before calculating this frequency list.Please, note that you will get a better end result if you edit and standardize the tru-file first.I am lazy so I didn’t!
Now copy from the list down to frequency 4=103 addresses
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Go to http://www.gpsvisualizer.com/geocoder/ and paste only (if you wish) the city names into the input box and then Start geocoding using Yahoo and in a few minutes you will have coordinates for the cities in the results box. Now copy all rows from that box and return to BibExcel.
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Clear the list and then Paste and now the coordinates are there!
Next, have the cit-file here and then run Mapping/Geographical mapping/Make a waypoint list
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A way-file with a waypoints is created. Copy all rows from the list!
A wax-file is also produced that you can sort alphabetically by 1st column and use later on for classifying cities into cities with coordinates.
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Go to http://www.gpsvisualizer.com/map_input?form=data and paste into the box to the left. Also choose custom field and type n in the little box. Then Draw the map.
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Here is the temporary Google map which you can zoom.
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If you wish to include collaborations. Start by making a coc-file using the oux-file and the 103 first listed addresses from the cit-file (see previous exercise). Then run Edit outfiles/Decompress outfile and answer Yes to accept that units are separaetd with tabs
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The nnu-file has unit from each pair split into two rows with frequencies to the left. 1. Select the wax-file that must be sorted alphabetically by 1st column and put it here. 2. Select the nnu-file and run Add data classify/Binary search
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The cll-file has now coordinates to the right!
Next, run Mapping/Geographical mapping/Make a trackpoint list
![Page 11: Making Google Maps. Start with a list of papers by city+country This list was generated by: 1. Edit out-file/Standardize addresses/Clean and add address](https://reader038.vdocuments.mx/reader038/viewer/2022110207/56649d835503460f94a6a245/html5/thumbnails/11.jpg)
A trc-file is made formatted for GPS Visualizer. Copy all rows from the list.
![Page 12: Making Google Maps. Start with a list of papers by city+country This list was generated by: 1. Edit out-file/Standardize addresses/Clean and add address](https://reader038.vdocuments.mx/reader038/viewer/2022110207/56649d835503460f94a6a245/html5/thumbnails/12.jpg)
…go back to the GPS Visualizer and paste the trackpoints after the waypoints in the same list. Press Draw the map
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Now, collaboration links are added
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Zooming in on Europe
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As an extra bonus, while making the trackpoint list, BibExcel automatically calculates geographical distances in kilometers using Haversine’s formula! Look at the hav-file
Distance in kilometer
Go to http://www.movable-type.co.uk/scripts/latlong.html and check Haversine distances
![Page 16: Making Google Maps. Start with a list of papers by city+country This list was generated by: 1. Edit out-file/Standardize addresses/Clean and add address](https://reader038.vdocuments.mx/reader038/viewer/2022110207/56649d835503460f94a6a245/html5/thumbnails/16.jpg)
An alternative way of calculating distances is to start with at text file looking like this, with tabs between columns:
55 36,099625 -80,241094 51,430898 -0,547489
Then run Mapping/Geographical mapping/Calculate distances (Haversine)
and a had-file is made looking like this, with distance in kilometers to the far right:
55 36,099625 -80,241094 51,430898 -0,547489 6291
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For some applications you may wish to find the min and max distance of pairs within a given doc number (e.g. largest distance among collaborating cities in a given paper). Suppose you have file like this with docnr+distances (1st and 6th column of the had-file):
68 065 10065 065 10965 2055 055 6291
If you then run Mapping/Geographical mapping/Min and Max distance a hax-file will be made looking like this:68 0 065 0 10955 0 6291
The 2nd column has min distance and the 3rd max distance