The study and practice of making maps.

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2
votes
2answers
142 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 ...
9
votes
4answers
552 views

Are there any cartography “rules” you should follow when labeling maps?

We've all seen poorly labeled maps before. In these maps, the wording is either illegible or unpleasant to view due to positioning, color choice or size, or the labels take up so much map space that ...
3
votes
2answers
89 views

Breaking a range of values into buckets for a gradient

If I have a range of values and want to make a choropleth map with a gradient, what algorithms are out there to determine the value ranges for the different colors in the gradient? For example, if I ...
4
votes
3answers
104 views

Alternative layperson-friendly names for 'Legend'?

I am making a mobile mapping app that has a button that displays a legend. Because my legend is initially hidden from view, it is really important the text I put in the button that displays the ...
3
votes
0answers
217 views

How to draw on an ESRI.PrototypeLab.Surface? [closed]

i'm trying to draw on the ESRI map enabled to Microsoft Surface (ESRI Map -> Surface) but i can't find the way to do so. The problem is that the Draw method (which come from the ArcGIS API for WPF, ...
3
votes
1answer
172 views

How useful is the ESRI Production Mapping extension for cartography? [closed]

I would like to find out how useful is the $9000? ESRI Production Mapping extension. According to ESRI is helps "Standardize and centralize detailed cartographic production with tools for creating ...
1
vote
0answers
69 views

Free cartographic texture resources

I've been trying without success to find free textures to use in TileMill. I'm looking for fairly simple, abstract textures, like a dotted pattern (to indicate national parks). Are there any well ...
0
votes
1answer
110 views

How to map and color localities (provinces) with an external CSV using Quantum GIS

I use a Swiss shape file map (called PLZO_PLZ) available on http://www.cadastre.ch/internet/cadastre/fr/home/products/plz/data.html (ZIP file Shape LV03) PLZO_PLZ contains a column called PLZ which ...
1
vote
0answers
91 views

Changing Default Layer Switcher

How can I change layerswitcher properties(radio button) ? So I want to change just like drop down list ?
1
vote
1answer
119 views

How to improve the color matching between a scanned image of a map and the original?

When I scan a section of paper map using a Canon Lide 200 A4 scanner, the resulting image has colours which are not true to the original. The most annoying is where the predominantly white paper ...
13
votes
7answers
3k views

How to create a trade flow map in Arcgis or any free software

I am trying to represent trade flows on a world map where the size and direction of arrows indicate the exports/imports of a given country. This type of map is commonly found in magazines and ...
3
votes
5answers
2k views

What are the elements that a good map should have?

I have drawn a map with some coordinate(longitude and latitude). What are good points that a map should have eg labels, legend, etc. Edit: The map if for the purpose of locating different objects ...
3
votes
2answers
75 views

How to map Traffic Count Points to Streets?

I've got point data representing traffic count locations and I am trying to figure out the best way to represent them on a map.I thought about kriging to provide a continuous surface but I don't think ...
64
votes
14answers
13k views

What Makes a Map be classed as Badly Designed?

A poorly designed map can not only look visually unappealing, but can convey the wrong message, which could lead to bad decisions being made. I would like to ask people to post examples (that are in ...
0
votes
1answer
46 views

Calculate length of 2,000 paths - lines in Google Earth?

I have ~2,000 paths/lines drawn in Google Earth and I would like to know their cumulative length. How can I do this easily? I have been able to convert into excel the Lat & Long of each point in ...
2
votes
0answers
84 views

Splitting a bounding box into n amount of bounding boxes

Firstly, I've never worked in the GIS area before nor do I have much knowledge of the mathematics behind some of the stuff I am trying to implement. Perhaps i'm getting in over my head. My Situation ...
0
votes
1answer
118 views

Plot specific area of map

Is there a way to zoom in a map on an R spatial polygons object. i.e. if I have polygons for a whole country but I want to zoom in on a specific city and just plot that area how do I do that ? At ...
5
votes
1answer
526 views

Labeling contour lines in ArcMap [duplicate]

Can anybody give me advice on how to label contours as shown in Figure 2 below? I would like to be able to put the label "on" the line, which is easy enough. But I'd also like for the contour line to ...
1
vote
0answers
23 views

Mapserver mapscript map inset

What is the recommended way to produce a map similar to the one in http://www.nexusenergy.com.au/6468050/nexus-energy-oil-gas-exploration-and-productio.htm I would like to dynamically create the ...
10
votes
2answers
627 views

How to create an Azimuthal Equidistant map for long-distance radio?

I'm trying to produce world or continent scale maps that use the Azimuthal Equidistant projection. I'm a radio amateur, and to an antenna, the whole world looks like spread out on a flat plane, with ...
1
vote
1answer
23 views

Network segment gaps, when offset

I'm having an issue when offsetting a line shapefile. For some reason when the lines are offset, ArcGIS isn't drawing some segments although the segments are there confirmed via “identify”. Has ...
3
votes
2answers
1k views

Why does export to AI rasterize all my vector layers?

I have no raster layers in my map document and no transparencies. Yet the map is rasterized when exported to AI. (Map frame and coordinate grid are vector graphics but everything in the map itself is ...
10
votes
6answers
782 views
0
votes
0answers
26 views

How Can I add a WMS from ArcGISServer10.1 using GoogleMap Javascript api?

RT. I am using google map api ,but I have personal data with WMS in the ArcGISServer,I will add this wms layer on the google map,who can help me ?
2
votes
1answer
127 views

Bar graph - cartodiagram in QGIS

Can I create a cartodiagram in QGIS 1.7.3? I need one bar graph in every territorial unit of one layer. It must vizualize organization on X and number of research in one organisation. Is it possible? ...
0
votes
0answers
109 views

Google Styled Maps - applying the style in WordPress

I have generated the JSON code for my styled google map using the Google Styled Maps Wizard, and am trying to embed the map into my client's wordpress page but am unsure of how to integrate the style ...
3
votes
3answers
721 views

GPS device taking pictures and saving heading + HDOP?

I'm looking for a device that can do all of the following: Take picture Save lat-long GPS position + heading (angle to North) of picture [so need tilt-compensated 3D compass], in exif or other ...
4
votes
1answer
94 views

How to avoid cutting labels along the map border?

I am labeling areas on a map (for example, forest (coniferous, deciduous trees), swampland, and so on). A cartographer has criticized it because labels which extend beyond the boundaries of the ...
0
votes
0answers
97 views

US MAP using Zipcode in R [closed]

I have a set of US zip codes grouped into two groups. I'm plotting those two groups on US MAP using R code. I'm using following code to plot group A & B combining together ...
3
votes
1answer
2k views

How to create and re-use my own map template in Arcmap 10.1?

I am working on a project which requires 5 different analyses on the same data. I created five map documents (.mxd) and completed my analyses. Now, the problem is that I want to export my results in ...
1
vote
2answers
523 views

Exporting maps at high resolution for a specified area

I am using ArcGIS 10.1 and am very new to it. I have Bing Maps aerial imagery of a particular road intersection and I want to export the map as a TIFF at a 1:1000 scale. When I zoom in and then use ...
0
votes
0answers
100 views

How to have polygon labels always display using GeoTools 8?

I'm not able to consistently display labels for polygon features. The label is not displayed, as far as I can tell, unless the polygon is large enough to contain the entire label string. I can ...
3
votes
2answers
5k views

Can't change Data Frame display units in ArcMap 10

Last week, I went to View -> Data Frame Properties... -> General tab to change the data frame map display units from Decimal Degrees to Degrees Decimal Minutes. (the Map Units were still in Decimal ...
3
votes
2answers
576 views

How to make a raster layer transparent via MapServer

I loaded a PostGIS raster Data through OpenLayer and Mapserver. The code inside the OpenLayer is as following : localWMS = new OpenLayers.Layer.WMS( "Local WMS layers", ...
8
votes
3answers
477 views

Distance measurements across UTM zones: use geographic or planar approaches?

I have a survey grid spread across 3 UTM zones (36N, 36S, 37S). I want to find the nearest (or shortest) distances of the centroids of these grids to roads and various points between. It seems like ...
0
votes
0answers
90 views

Map doesn't show anything in img file (WMS-Mapserver)

Actually in a practical Project we wanted to use OpenLayer and MapServer to display our data using WMS, but We can't find a proper srs or EPSG code. One of the ITC students said, we have to change our ...
2
votes
1answer
82 views

How to annotate north arrow's degree rotation in ArcGIS 10.1

I rotated my data frame for a map, and the north arrow dutifully is rotated as well to show north. I've been told it's possible to annotate the degree rotation on the north arrow symbol itself, but I ...
0
votes
0answers
392 views

Apply Labelling to stacked symbols for SLD's to use in Geoserver

I have the following basic point stacker based SLD to symbolize bridges and need to get the labels to display. When I add the text labeller the symbolization does not work at all. Stacked Labels (no ...
1
vote
3answers
513 views

how to create grid to divide large map into smaller sections

This seems like it should be easy but I just can't find anything online that tells me how to do it. I have a map of small remnants of forest along creeks for an entire county in California. I need ...
0
votes
0answers
18 views

Representing population variables in a map [duplicate]

Could some one advice me in some ways (or popular ways) of representing population variables in a map? For population variables I refer to: distribution of age among the population, people with ...
2
votes
0answers
78 views

How to visualize fuzzy/approximate locations

I need to visualize a mixture of accurate and fuzzy/approximate locations on a web map. The user should be able to instantly recognize approximate locations from the marker used. Are there any best ...
11
votes
6answers
883 views

How to implement value-by-alpha map in GIS?

I've been doing some background reading about cartograms recently and stumbled upon interesting alternative - value-by-alpha maps. Concept is described in more details here and full paper is ...
0
votes
1answer
77 views

how to improve poi visualization in tilemill

I have imported all points of interest (POI) from database to TileMill. The distance between the POIs are a few meters. Thats is why its became ugly looking map. Is there any option that will ...
1
vote
1answer
168 views

Overlay points over gadm map

This is a crosspost with stackowerflow and I hope for understanding and that it will no be closed as it concerns both cartography and R. I have already asked about plotting points dependent on ...
2
votes
0answers
96 views

Plot points map of population [closed]

I want to plot kind of isarhytmoc points map like in this tutorial, but with population data. However, unfortunately, I have no enough skill and only came with such code: require(sp) require(rgdal) ...
4
votes
1answer
229 views

How to reproduce Stamen's Toner PostGIS setup?

I'm trying to render Stamen's toner map with Landez which uses Mapnik. The style I'm rendering is from Stamen's toner project. I'm using the one which only renders labels (no lines). I imported the ...
0
votes
1answer
110 views

How to symbolize features in QGIS?

Why is a shapefile shown as coloured independent features in ArcGIS shown in a single colour in Quantum GIS? What can I do to display this layer (wwf ecoregions) with the different ecoregions ...
6
votes
4answers
440 views

animated map in R

everybody, sorry for disturb, but I am being quite new with r faced a crucial difficuty: I want to create an animated map of Russin with changes in unemployment with differnt years, like. On the image ...
6
votes
1answer
115 views

Is there a way to dynamically hide annotations that intersect map extent border?

I have a feature linked annotation feature class with a number of annotations displayed only partially on the edges of the visible extent of the layout data frame. The link annotation class will be ...
0
votes
0answers
319 views

Group/Cluster point symbols together in QGIS and export to SLD

I want to group symbols together in QGIS when they are displayed to close together and thus clutter a map. As the user zooms in these should then be separated. The result should be exportable to SLD ...