The study and practice of making maps.

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2
votes
1answer
46 views

Can QGIS place diagrams in map legend?

I have this map and I want to put these red circles in the legend of the map according to this form: Is there a way to do that in QGIS? Thanks
-2
votes
1answer
50 views

Why don't shapefiles online contain the coastline (country borders)?

I have searched everywhere and Geofabric has the best packages of shps yet doesn't have the coastline of countries. I'm talking about the line that demarcates a country i suppose they are called ...
-2
votes
0answers
23 views

Software development and cartography [duplicate]

What are the steps to create dynamic mapping web application with opensource software?
1
vote
1answer
48 views

Simplifying road network for cartography?

How do I simplify and merge segments of a complex network for cartographic purposes? As you can see, i have a lots of segments and i want to merge and simplify to looks neat on a scale of 1: 100 000. ...
7
votes
4answers
154 views

Colour coding by day - any conventions?

I'm working on a map showing on which days garbage is collected in different areas. That means it's pretty tempting to colour code each zone with a different colour representing a day of the week. ...
1
vote
2answers
60 views

How to convert a spatialpolygon to a SaptialPolygonsDataFrame and add a column to the atrribute table

coast<-readShapeSpatial("coastline.shp") landc<-readShapeSpatial("landcover.shp) ro<-readShapeSpatial("roads.shp") bc<-gBuffer(ro,width=100) landc$ratings=1 ...
1
vote
1answer
49 views

How to create a US map in R with separation between states and clear labels?

I was trying to figure out how to create a map like down below in R on the Stack Exchange but maybe that's the wrong community and the GIS side is a better spot. Currently, I'm able to add the ...
3
votes
1answer
27 views

Concentric Ellipses around polygons as a representation of density

I have someone who has given me a thumbnail of a map with some concentric ellipsoids placed in estimated high density locations for our business. One location has three, and two other location have ...
0
votes
1answer
33 views

Fixing mercator coordinates that are outside the world bounding box?

I'm using mercator-projected overlays from a crowdsourced website where volunteers georectify images of maps by hand. Unfortunately, the slippy map that serves as the site's interface wraps and allows ...
0
votes
1answer
36 views

GIS, CAD and MAP in WPF application

I am searching for a gis/map engine SDK for WPF, that supports loading and editing CAD drawings onto a map (edit = switch layers on/off), with an option to use only local/network resources. Our users ...
1
vote
0answers
27 views

How to create 3D globe images highlighting a specific country or 2D country map with capital?

I am building an Anki flashcard set that should contain country flags, names and (ideally) a 3D globe with the country outlined, as can be seen on Wikipedia. I've already completed the part that ...
7
votes
3answers
1k views

Is there a name for 0,0?

Is there a name for the latitude/longitude pair 0,0? On a graph, (0,0) is referred to as the "origin" but I'm not sure if that term also applies to the location 0,0 in cartography.
0
votes
0answers
19 views

Thin black line get grey when using composite pattern

I have noticed a couple times that if I set pen width of line smaller than 0.20 the line is no longer black. It is clear that the line does not just look gray because it is thin, the line is changing ...
3
votes
1answer
68 views

Representing overlapping polylines in QGIS

I have several shapefiles representing bus lines with different colors for each segment, however, because the lines are exactly superposed, only the shapefile on top can be seen. Is there a way to ...
0
votes
0answers
45 views

force QGIS-labels behind polygon areas

Is it possible to force labels behind a polygon dataset. In my case I want to put 50% transparent polygons onto areas, which are shown "inactive" on maps. Unfortunately, some feature labels are shown ...
0
votes
0answers
24 views

Using the phase 1 habitat styles?

I am utilising the phase 1 habitat styles and wanted to show 'mixed scattered trees' which is essentially a layer with two different types of green dot. I cannot figure out how to do this and also ...
1
vote
2answers
45 views

Archaeological spatiotemporal map

So I have been trying to use Time Manager to make a spatiotemporal map of artefacts found on a archaeological site. My goal is to show if there is areas on the site wich concentrates artefacts having ...
0
votes
0answers
24 views

Zooming on a WMS Layer after click on GWT OpenLayers

I'm trying to create a map with GWT open Layers and im trying to zoom to the selected WMS feature How can I select and zoom to the selected feature? public void initMapWidget() { MapOptions ...
2
votes
1answer
65 views

World map different projection

I want to display something on a world map. I have these shapefiles http://thematicmapping.org/downloads/world_borders.php I want my map to look something like this: or I am using QGis. Is ...
0
votes
1answer
36 views

Using Torque to visualize rainfall data

For a little background: I have rainfall data for multiple weather stations by year, I have tried messing around with CartoDB and Torque for animation of the rainfall. my point data has each station ...
1
vote
0answers
38 views

Wrong Scale Bar in Map Composer

I am attempting to add a scale bar into QGIS Map Composer for a single layer showing a map of Jervis Bay, NSW Australia. I have changed both the project and layer CRS to 'MGA56 (EPSG:28356)' and have ...
-1
votes
1answer
69 views

Improving species richness map?

I asked for help in Creating species distribution map? about creating a species richness map out of X/Y coordinates and an information how many species there are in each coordinate. I finally got it ...
11
votes
5answers
611 views

Appropriate map projection for the Pacific Ocean

I've found this map that shows the Pacific Ocean from http://www.transpacificproject.com: I'd like to produce a similar map, for the same region of the earth and I'd like to use the same projection ...
0
votes
0answers
14 views

How to load cartosat image in geoserver?

Does geoserver support cartosat images? my cartosat images are as follows. But geoserver is not adding them...
0
votes
1answer
23 views

Geoserver labeling algorithm

Hello everyone (good morning, afternoon and evening ) :) im really interesting in knowing what kind of algorithm does the Geoserver use when presenting its maps. The Geoserver has its own algorithm , ...
0
votes
1answer
24 views

multiple electrical cable representation in Geodatabase

I have multiple electrical cable going through the same path. Should I draw them all as one single line (with an attribute denoting how many they are)? or multiple lines? if multiple, should I draw ...
1
vote
0answers
18 views

How does GeoServer render a Super or MegaTile

I'm working on chopping up a big mega map tile into smaller tiles at various zoom level. I'm surrounded with a problem first up in terms of how to get my big mega map tile with all the legends (with ...
1
vote
2answers
54 views

Preferred term for map extent box

If a (printed) map is created with an small map in the corner showing the extent of the main map frame in relation to the state/province etc. with a box. What is the proper cartographic term to label ...
0
votes
0answers
20 views

How to update GeoWebCache as part of GeoServer for maptiles

I read the documentation for GeoServer but I can't seem to find a way by means of which one can update GeoWebCache dynamically by removing/deleting old (dirty map tiles) and then replace those dirty ...
0
votes
0answers
8 views

How to update MapCache with new maptiles

I have gone through the entire documentation for MapServer but I can't seem to find a way by means of which one can update MApCache dynamically by removing/deleting old (dirty map tiles) and then ...
1
vote
1answer
69 views

How to link a text to a map

I would like to know if it is possible to link a text to a leaflet map. I would like to highlight a country in my map when the mouse is hover a word in my text. My map is created with leaflet library. ...
1
vote
0answers
49 views

CartoDB: cluster circles aren't proportional

I'm trying to visualize thousands of records on a map on CartoDB using the cluster feature but circles with 100 or 1000+ records have the same dimensions. I'd like to have more discrimination in ...
1
vote
2answers
49 views

Is there cartographic convention for displaying text label of highest and lowest values in legend?

The first I have found is to have the lowest value and highest value be displayed like the legend shown below (image source) The second is to have relative numbers at the top and bottom (image ...
2
votes
1answer
70 views

How to generate maps like some at Wikipedia?

I've absolutely no idea if this is a proper forum to ask this or not. But I know that I can at least get some information here. I was reading few wiki articles on Indian rivers and I'm very much ...
1
vote
1answer
59 views

Fading or Removing Boundaries in ArcMap?

I have a dot density map of a county. I need to either fade or remove the tract lines. I can adjust the frame transparency but that's not what I'm after. I'm using ArcGIS 10.2 for Desktop.
4
votes
4answers
178 views

ArcGIS Line Fades, Possible?

Is it possible to fade the ends of a line? I have a map the shows the city of limits and because of its shape, there are some areas outside of the city limits where we don't have major road data in ...
2
votes
1answer
32 views

Align Symbol to Line

I'm using ArcGIS 10.0 - ArcInfo license. I'm a fairly new user. I'd like to align rectangular symbols perpendicular to to the lines that reside nearby. I have two layers. A layer containing lines ...
3
votes
2answers
72 views

Create map(s) to help determine site selection

I have the task of creating a map in which the objective would be to help determine a site for a conference. I have the following data: Addresses of possible conference attendees (I have already ...
1
vote
2answers
73 views

How to make a contour map from a list of points and values? [duplicate]

I need to create a nice map with contours that represent various thematic data on a scale of a country, for instance, average temperatures in Germany. I have a list of coordinates with the values, ...
1
vote
1answer
56 views

Making flood map greyscale in ArcGIS for Desktop?

I have produced an article for publication and I have just been informed that I must produce all maps in colour and greyscale as the printed journal is only published in greyscale but the article will ...
2
votes
3answers
61 views

Calculate Color of Object So No Adjacent Objects Repeat

I am attempting to assign one of 16 colors to map objects (e.g. counties, states, ZIP Codes, etc.) so that no two adjacent objects share the same color. I'm seeing tons of articles online about ...
0
votes
0answers
28 views

How to map data from USGS NAS database, using HUC?

I am querying the USGS NAS (Nonindigenous Aquatic Species) database. The collection data for the results that are returned don't include lat/long points, but have an HUC (Hydrologic Unit Code). I have ...
3
votes
1answer
120 views

Change countries boundaries color in a shapefile with R

I am working with R to create a map with a shapefile. I would like to change the color of the countries boundaries but I don't know how to do that. Is it possible to change the color? Here is my ...
3
votes
2answers
83 views

how to extract country border from openstreetmap

I'm trying to extract the Jordanian country border from an openstreetmap. When I click the download link for the file, the following page opens: My question is: How do I save these XML tags as an ...
3
votes
2answers
105 views

What Type of map is this?

Looking to find the exact type of map that the following is : It looks like a hill-shaded topographic map, most likely DEM, but I'm not sure. I need to know for certain so i can contact the map ...
1
vote
1answer
30 views

Disconnected Satellite map tiles usable with OpenLayers or other javascript api

I'm looking for satellite map, usable with OpenLayer (or with an other js api), with a good scale (at least 100m, MapQuest stops at 1000m) and avaible for a disconnected mode (avaible for download). ...
5
votes
3answers
230 views

How to display two line traffic road map cartographically?

I have two line traffic map. I want to display this maps roads as image below. This images show that when I zoom out from map, roads are showing properly.. And two line road never disappear from map. ...
0
votes
1answer
93 views

Qgis Text/Annotation as layer

Is there a way to add text/annotation to my map in QGIS as a layer? I have a map of vegetation types an point data the text (field names/flurnamne) should be between these two layers. It there must ...
1
vote
0answers
41 views

How to add vector KML data in an excel table

How do I take a KML (or XML) vector map saved on my desktop showing for example a election ward and then import it into excel as a data input in a field of data. I have information in excel for ...
5
votes
1answer
107 views

Kriging to calculate forest biomass?

I am trying to create biomass map using Kriging from ground sample point. I have about 150 and 53 point plot for dense and sparse strata. The data is not normal so I have transformed it. After ...