The study and practice of making maps.

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2
votes
2answers
52 views

Is there a way of labeling the number of points with the same coordinates?

After reading through the following question (which is kinda related but not quite what I need): How can I show points on the same coordinate as e.g. a bigger symbol in QGIS? I found out that there ...
0
votes
0answers
23 views

Create multiple data points within a country [on hold]

Using simple wizard I want to create multiple data points associated with one set of longitude and latitude (for one country) i.e. France or any country. Although I have two rows associated with ...
1
vote
0answers
23 views

Adding heatmap legend to print composer in QGIS

I have created a heatmap from points layer's style property. However when I add a legend to the print composer I do not get anything in the legend except the layer name, how can I add the color ramp ...
3
votes
1answer
80 views

Put points on a projected world map

With the help from this post Lines on reprojected sp objects with Mollweide projection, I draw a world map using Mollweide projection. I also have some points with latitudes and longitudes, and I ...
2
votes
1answer
41 views

Produce Oblique Mercator Map

To avoid the possibility of opinions, let me rephrase the question. Which software packages are able to produce an Oblique Mercator map between any two arbitrary points, similar to what is offered in ...
2
votes
1answer
59 views

Customising QGIS Map Composer?

I am using QGIS for map making , I am adding multiple vector and raster layers and then finally for map making I am moving to the map composer. When I am exporting the map from Map composer , I want ...
2
votes
0answers
21 views

Set NaN values to Transparent in Matlab 'geoshow' function?

I am trying to plot rainfall values in MATLAB using geoshow function. NaN values should be transparent in the map. However, the plot I am getting comes with dark blue color for NaN values. I have ...
1
vote
1answer
21 views

R: Krovak projection in R - identical in ArcGIS, different in R?

I have two files: shapefile and raster, both in the same coordinate system in ArcGIS: EPSG 5514. Check information on projection in ArcGIS for raster: S-JTSK_Krovak_East_North WKID: 5514 Authority: ...
-4
votes
1answer
45 views

Help with definition query [closed]

I have a layer of 5ft contour lines, and it includes a field called "Elevation" that has the elevation of that particular line in feet, (ex: 1555, 1560, 1565 etc.). I want to only show lines for every ...
1
vote
0answers
17 views

Suitable font size for road network for A0 -A1 print size QGIS

I need to print big paper maps, Im using QGIS to design my maps. But I would like to get advice on suitable front size for road names. With the map as big as A0 I can basically fit all text labels for ...
5
votes
1answer
97 views

How does one style the border to match the fill in QGIS?

In the past I have just manually matched the color of the border to the color of the fill, but this can be time consuming. I am wondering, is there any way to have the program automatically match ...
0
votes
0answers
44 views

north arrow outside map

I am plotting 5 maps using spplot having a 2*3 layout. The space not used for maps should contain cartographic features such as a north arrow. Could someone guid me in the right direction? I know how ...
3
votes
2answers
29 views

Is it possible to add subscripts or superscripts into a legend?

I have a population density map where I'm showing the amount of people per square kilometer. In order to make it more visually appealing I want to show something like: [any symbol here] - 2.00 - ...
3
votes
1answer
28 views

Displaying quantitative data in choropleth legend?

I have always struggled to come up with a great solution to handle choropleth or any other quantitative interval or dataset classifications in a map legend where the numbers are sequential. For ...
0
votes
0answers
24 views

How to generate map image using OpenLayers?

I have a solution, which displays maps on a client using OpenLayers API. Now, I received a request to pre-generate the same maps as images on the server - so a standard web client shouldn't be ...
7
votes
1answer
119 views

Is it possible to create a round map frame in QGIS Map Composer to create circumpolar maps?

Does anybody know if it's possible to create a round map frame in QGIS Map Composer to create circumpolar maps?
7
votes
1answer
82 views

How to decrease the distance between legend's items in R?

I'm trying to create correct choropleth() map in R using GISTools package. I use choro.legend() to display my legend. However I can't create either correct legend placement, AND/OR I don't understand ...
0
votes
2answers
37 views

How to check my EPSG and units in R when it is not defined in proj4string?

After reading my .shp in R using readOGR(), I tried to figure out what is my EPSG and what are my units in my projections? when I tape my.shp = readOGR(dsn=setwd(dsn = dsn, ...
1
vote
1answer
29 views

Conditional styling in FME ChartGenerator

A vector data set represents different wilderness qualities of district areas (V, 1 and 2) and one human activity zone (N). Our cartography for the areas gives us the following map: I am using FME ...
3
votes
2answers
118 views

Plot tilted map in R

I would like to plot a tilted map, similar to the image below. I would prefer to do this using ggplot2 but I'm glad if there is a solution using base R. Any ideas on how to do this? Here is a dataset ...
4
votes
2answers
48 views

How to resize the Legend Item Wndow in Map Composer?

I am just wondering if there is any simple way (no messing with codes) to adjust this Legend Item Window in Map Composer. I am using QGIS 2.14 in windows 8. A much larger (taller) window would really ...
3
votes
1answer
34 views

How to get latitude and longitude of Point plotted on the map using mapbox

How can I retrieve longitude and latitude of Point plotted on map ? I am testing one website in which I need to verify longitude and latitude of Point plotted on the map. Map has been developed using ...
0
votes
0answers
24 views

Free Basemaps for use in Print Publication

I am looking for free-to-use simple maps that show just the largest cities, region names, country names etc. with a simple background. I need about 500 of these for the major cities/countries of the ...
0
votes
0answers
11 views

Guideline on how to reference units and intervals in the legend

I often use some kind of elevation data in my maps in form of grids and contours. I never really put much attention to how to properly specify units and intervals in the legend but now polishing my ...
1
vote
2answers
32 views

How to overlay a polyshape to faceted maps in r with ggplot?

So i am quite new to the use of r and ggplot to produce high quality output maps for publications. I have managed to create a faceted map from my data following the approach proposed here ...
1
vote
1answer
37 views

Finding and loading global population density raster data into R?

I am using the Bioclim dataset for a maxent project right now, but I want to add demographic predictors along with climatic ones. I have the 19 layer raster data from Bioclim and I'm hoping to use the ...
1
vote
1answer
31 views

ESRI Story Maps | Usage in large-scale maps/plans

If there´s a possibility to adjust the scale of the basemap to plan-like maps. Thing is, that i´ve got a map/plan of a greenhouse and i wanna make a "guide" through this greenhouse to show some rare ...
4
votes
1answer
71 views

How to match symbology between two layers

I have two point layers: one shows the number of people in a county, the other shows the number of people who receive a particular service in that county. I am symbolizing them both as "proportional ...
4
votes
5answers
146 views

How to visualize point accuracy with buffers in QGIS?

I have a CSV file that contains 3 columns - Lat, Long, and Accuracy. The Lat and Long fields contain point data in decimal format. The Accuracy fields contain a numeric values that indicate the ...
1
vote
0answers
15 views

How to control layer visibility in the Map Composer Overview map? [duplicate]

I wonder if it is possible to choose which layers would be visible in the Overview Map loaded in the Map Composer. Note that this is already possible for the Overview Panel in the QGIS Desktop: for ...
1
vote
0answers
34 views

Loading USGS 1:24,000 quads into Garmin GPS-receiver — how to convert to a kmz Garmin understands?

I have downloaded USGS 1:24,000 topos (the classic one, not the useless US Topo) from the USGS Map Locator & Downloader. How can I load those into my Garmin GPSmap? Following advice at this ...
7
votes
1answer
185 views

Group and align icons in QGIS atlas

I am making an atlas of protected areas using QGIS. I am using version 2.12, but this question will probably also apply to version 2.14 as well. Several points of interest (poi) objects are presented ...
4
votes
2answers
37 views

How to make a fixed block of text in cartodb instead of infowindows?

I started to use CartoDB today for a school project, it is here : https://elenab.cartodb.com/viz/3c08e76a-ec4a-11e5-8d14-0ecfd53eb7d3/public_map But what I would like to do is to have a block of text ...
1
vote
0answers
9 views

from/to ellipsode to/from cartesian conversion

i am trying to convert from/to ellipsoidal coordinates (lat,lng,alt) to/from cartesian(x,y,z) i wrote the below code to do the conversion, but given the initial values of the gpsLat and gpsLng i ...
1
vote
0answers
28 views

Custom labels - aligned to rectangular objects, in a specific position and with multiple attributes using Mapinfo?

Can the following be done in Mapinfo? It should be formula based without manual formatting as performed by my predecessor to get the following output. So Grave_No on right parallel to the y axis ...
1
vote
0answers
46 views

Custom labeling with same angle as rectangular object and specific position using ArcGIS?

Can the following be done in ArcMap? It should be formula based without manual formatting as performed by my predecessor to get the following output. So Grave_No on right parallel to the y axis ...
0
votes
0answers
22 views

D3.js geojson rendering problem

Step 1 I have install mapshaper in my machine and browse all those required file along .shp, .shx and .dbf file . Step 2 : I am able to see required shape of this particular district in mapshaper ...
1
vote
2answers
61 views

ESRI ArcMap Legend Formatting

Is there a way in ArcMap Legend Properties to make the legend above look like the picture below?
0
votes
0answers
34 views

Inserting scale bar in ENVI without resolution loss

I am currently using ENVI version 5.3.1 and am trying to insert a scale bar to the image, in addition to the north arrow already provided by default. I have tried searching on how to do this with most ...
0
votes
0answers
13 views

Looking for a Map View App like Sky View that will give me POV of landmarks

I am trying to find an app that will allow me to mark locations on a map, then switch to a camera view mode and show those landmarks. For example, if you notated several mountaintops on the map, ...
0
votes
0answers
29 views

How to Add modify feature into my webmap script?

I am using OpenLayers. I have a web portal with all the option. How can I add the modify feature into it?
1
vote
0answers
45 views

Formula for Nicolosi Globular Projection

What is the formula for the Nicolosi Globular projection? In other words, what is the function that maps the coordinate (φ, λ) on the sphere to the coordinate (x, y) on the plane? You can assume ...
1
vote
2answers
54 views

Is there an equivalent to Map unit in ArcMap?

I need to have points, lines and texts in ArcMap in map units like in QGIS so I can zoom to the feature and see it like it's a raster. Is there anything I can do to manage that? I use ArcMap 10.2.2 ...
1
vote
0answers
53 views

Determining printed map projection?

A friend of mine is working on a small project to map receding North Pole summer sea ice minimums by decadal averages on a wall-paper map. Unfortunately, it seems as though the map projection for ...
7
votes
2answers
140 views

How to use real GIS tools to make skewed area maps for infographics

I'm a junior GIS tech, trying to make a map as part of an infographic. I wanted to do one where the size of polygons varied with a particular numeric attribute. Something like this one, where each ...
4
votes
1answer
185 views

Map projection classification - Tissot's indicatrices are perfect circles, but the projection is not conformal

Recently, led by the perfectly circular shape of the Tissot's indicatrices all over the projection plane, I have concluded that a particular projection is conformal. However, after calculating angular ...
5
votes
1answer
174 views

How to achieve Super or Subscript graticule labels in QGIS Composer windows

It is quite common for paper topographic maps to label the map graticule with ordinate values in a mixture of superscript and standard digits, eg. ⁴123⁰⁰⁰ to emphasise the significant digits. The ...
1
vote
2answers
77 views

How to extract values from a raster using R?

I'm a beginner at using R software, and I'm attempting to perform a percent linear stretch on the following raster data: > KBnew #class: RasterLayer #dimensions : 27018, 26389, 712978002 ...
5
votes
1answer
93 views

ArcGIS - Way to make interior of selected polygons partially transparent?

Is there a way to make the interior of selected polygons partially transparent as there is with polygons of a layer?
2
votes
0answers
15 views

How to create dynamic (depend on scale) coordinates grid in ArcGIS for Desktop? [duplicate]

I am working in ArcGIS Desktop. I want to dynamicly change my coordinate grid in layout view depending on map's scale. How to do that? Currently I have to change this manually every time I zoom in or ...