world-map | 易学教程

Grafana worldmap panel with Influxdb doesn't show points

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问题 I installed Worldmap Panel for Grafana but I cannot display points on Worldmap Panel. I looked at Grafana worldmap: table datasource and other links but didn't find answer. I tried to use countries.json : Added screenshot I don't have reputation 10 so I cannot add more than 2 links. I tried also create table : points,key=AL,name=Alabama,latitude=32.7990 longitude=-86.8073 and in Worldmap selected for Location Data : table , for Table Label Field : points but still cannot see points. Could you

Need to generate world map matrix along with different coloured region and marker on locations [closed]

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问题 Closed . This question needs to be more focused. It is not currently accepting answers. Want to improve this question? Update the question so it focuses on one problem only by editing this post. Closed last month . Improve this question Need to draw a custom world map drawing either the complete world map or a certain region. Also highlighting different regions with different colours. I have tried https://github.com/KiloKilo/WorldMatrix. I am able to colour the regions but unable to draw

R: plotting neighbouring countries using maptools

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问题 Say I am plotting countries on a world map using maptools, if I were to plot a country, is there a way of plotting the countries that border this country in a different colour? I am using the shapefile wrld_simpl that comes with maptools, so say I plot China: plot(wrld_simpl[wrld_simpl$NAME=='China',], col='red', add=T) is there a way I can get it to plot all the bordering countries to China. I want to be able to do this for lots of different countries so I'd ideally want a general solution,

How to make scatterplot highlight data on-click

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问题 Dear fellow programmers, I'm trying to make 2 interactive visualisations. The first one is a worldmap on which the user can click. With every click i want the second visualisation, the scatterplot, to highlight the specific circle/dot which displays the data of the country that was clicked on. Could you please help me? So far i made sure that when a country is clicked, the country code is returned. The code of the worldmap: new Datamap({ scope: 'world', done: function(datamap) { datamap.svg

Jvectormap very small on div change

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问题 I have two divs, one with the world map and one with the US map. When the USA is clicked on the world map I want to hide that div and bring the US map into view. This works but the map is tiny, even though the position of the zoom buttons indicates the size of the div is how it should be. Any ideas? If I have both divs set to "block" from the start they are both the correct size, it's only when invoking code to switch the div that it fails. onRegionClick: function(event, code){ if (code ==

how can i get the mouse click position from my JMapViewer world map

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问题 Im using the JMapViewer jar to show the world map on a JPanel. On the map im adding MapMarkerDot's which are gps points. The problem is when i click a MapMarkerDot on the map i cannot find an interface or listener to catch the click and give me the clicked MapMarkerDot identity. has anyone here worked with the code or can give me some ideas what to do. I would not like to modify the jar source but maybe i have to input an interface. I know this is kind of an abstract question but hoping for

D3.js - how to add zoom button with the default wheelmouse zoom behavior

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问题 So I got a worldmap with mouse zoom using the default d3.behavior.zoom() and limits to prevent the map from being dragged completely out of the page. This was a pain to get working, but it now work. My problem now is that this project also require useless zoom + and - button in the interface and I can't found example featuring both type of zoom. It's either mouse zoom only or a crappy zoom by button only. I tried simply calling zoom.scale(newScale); but it don't update anything. I seem to be

Jvectormap very small on div change

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I have two divs, one with the world map and one with the US map. When the USA is clicked on the world map I want to hide that div and bring the US map into view. This works but the map is tiny, even though the position of the zoom buttons indicates the size of the div is how it should be. Any ideas? If I have both divs set to "block" from the start they are both the correct size, it's only when invoking code to switch the div that it fails. onRegionClick: function(event, code){ if (code == "US") { openUS('us-map') } }, function openUS(a) { document.getElementById("world-map").style.display =

R: plotting neighbouring countries using maptools

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Say I am plotting countries on a world map using maptools, if I were to plot a country, is there a way of plotting the countries that border this country in a different colour? I am using the shapefile wrld_simpl that comes with maptools, so say I plot China: plot(wrld_simpl[wrld_simpl$NAME=='China',], col='red', add=T) is there a way I can get it to plot all the bordering countries to China. I want to be able to do this for lots of different countries so I'd ideally want a general solution, not one specific to just China. How about gTouches or gIntersects in rgeos ? library(rgeos) library