The study and practice of making maps.

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187 views

Examples of ASCII-art maps

According to Wikipedia, ASCII-art is one of the earliest techniques used for digital graphical design. An ASCII-art technique can be traced back to 1939 and computer-art pioneers have used it since ...
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0answers
32 views

Generating a map from a shapefile using ms4w mapserver [duplicate]

I am trying to generate a map from a shapefie. Through some initial searching, I wrote the code below but I am getting just a white page. Below is my code: MAP # To enter comments into a mapfile ...
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0answers
4 views

One to Many relation in arcgis

I'm working on arcMap, and I have a relation one to many between building column and the residents in the building. The attribute table for the building have these columns: id,label,number. I have an ...
3
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1answer
33 views

Comparing data from two different time periods

I am trying to compare DWI frequency over the period of 3 years. I want to create 3 maps, with each one showing where DWI's occurred during 2011, 2012, and 2013. I have the point data for this, but I ...
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0answers
29 views

Using R to subtract the polygon area of one shp file from another

I'm looking to produce a map from two separate maps in R. My Maps files are as follows: ftp://ftp.cpc.ncep.noaa.gov/GIS/us_tempprcpfcst/610prcp_20140822.zip #Map1 ...
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1answer
28 views

Equal Area Projection for Central Ethiopia (37N)

Can anybody please tell me what is the best equal area projection for central highlands of Ethiopia. I am assuming Albers Equal Area Projection. Any suggestions?
2
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1answer
31 views

What is the correct cartographic projection to calculate a Voronoi tesselation?

I have a set of points with known geographic coordinates. I would like to compute a Voronoi tesselation from these points in order to obtain areas of influence. The geometrical area of each Voronoi ...
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2answers
30 views

Are CartoDB Map views by month or by year?

We have 10000 map views with the free version of CartoDB. Are they reset every month or is it the maximum views for the all utilisation ?
3
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1answer
37 views

Why is the OSM map itself is not visible in my qgis window?

I'm new in working with QGIS. I have tried to download an OSM map of Rome and its surroundings into my QGIS. As far as I am concerned, I have followed each step which I could find on various ...
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1answer
126 views

MapServer Pixmap Symbol GAP for Park Polygon Layer

I have a Polygon layer (National Park) PNG Pixmap symbol (from Maki icon set) MapServer 5.6 If I use the PNG Pixmap symbol for my Polygon Layer, Mapserver fills the polygon layer with the png ...
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1answer
166 views

How can I map data points to OpenStreetMap (OSM) line data?

my goal is to filter measuring points of vehicles by mapping them to streets. So I could filter out all the false data located in fields and rivers and so on. I imported my data into a PostGIS ...
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3answers
185 views

Show “layer name” as text in arcgis layout view (map)

I am trying to show the layer names of all visible layers in ArcGis 10.1 when creating a map in layout view. First I tried to use "insert legend" and show there only the layername, but I can't ...
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1answer
122 views

mapbox layer in ESRI API

I am building an application primarily with the ESRI API, but would like to load a mapbox tilelayer to use as the basemap as they are just so much more pleasing cartographically. I dont want to change ...
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1answer
220 views

Data Frame Property options have changed

I have Googled and searched ESRI help files and experimented until I am blue, not to mention reloading ArcGIS Desktop10 for Repair and adding the SP5 to it. I no longer have the options of border or ...
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3answers
423 views

Examples of Creative Cartography

I am looking for some examples of creative cartographic output. I am planning for something like a mixture of cartography, graphic design and spatial information. The output will be initially in ...
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0answers
63 views

How to import a map consisting of pictures

I want to built some sort of Fantasy Map with Quantum GIS. The whole map is built out of 128x128 single pictures, 16384 in total. It should be a flat map. How do I import these pictures and align ...
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1answer
12 views

Tilemill: Re-Export failed tiles after export

My Tilemill exports (MBTiles) tend to fail quite often lately... (Resume Tilemill MBTiles export after crash a bounty is waiting for anybody who helps me there btw ;-) ). We kind of solved the problem ...
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1answer
21 views

Finding coordinates of the image corner

I have a .bmp image with a map. For creating image i used a Ingeo 4.4 and function MakeImage() What i know: Height an Width of bmp image dpi Map Scale Image Center's coordinates in meters. What i ...
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3answers
2k 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 ...
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6answers
557 views

Making a map that can be easily resized or scaled

I've recently been dealing with a map requestor who wants maps resized at the very last minute -- from 8.5x11 to 22x34, or from large poster-sized to "something that can fit in a report" (those vague ...
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2answers
47 views

Step by step contour creation algorithm

I do seismic processing, and recently have been moving into doing contours. I have a question on the exact way this is done. I have watered down my problem so that I can understand from 'first ...
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0answers
36 views

Show large information in a map (millions of points)

I have millions of points (census data) about 1.5Gb in a text file. But I only want to show an area based on this points like a heat map, so maybe I have to build polygons based on these points. What ...
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1answer
21 views

MapXtreme Java Edition

I'm learning GIS in Java with MapXtreme Java Edition but I can't find MapXtreme Java Edition file setup for Window (trial). Can you share link download or software for me?
3
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1answer
33 views

How can units be defined in QGIS for the Rasterize tool?

I am using QGIS 2.4 (Chugiak) via the kyngchaos build for OS-X. My question is--when using the Rasterize tool to convert a point vector layer to a raster and using the "Raster resolution in map units ...
2
votes
1answer
25 views

Smart quotes in ArcGIS (titles, legends)

Is there a way to ask ArcMap to use "smart quotes" in map titles, legends, etc.? This is what I've currently got on my map: I'd like the quotation marks and apostrophe to be curved instead. Pretty ...
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3answers
41 views

Geographical media coverage map - USA

I'd like to know if there are some maps giving the geographical coverage of the media publication, for example, a map giving the counties or even the cities where local newspapers are sold, and a map ...
2
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2answers
58 views

Display two-dimensional color gradient for two different quantities

I have two overlapping raster layers. One contains quantity A from 0 to 100, and the other contains quantity B from 0 to 100. I'd like to create a map displaying both sets of data at once based on a ...
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1answer
192 views

How to plot lat/long stored as text in Oracle DB using report builder/SSRS r2

We use an Oracle 10g database. However we write reports using SSRS or report builder, using the Oracle connection type to the datbase. In oracle we have 2 text fields, one for lat and one for long. ...
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1answer
98 views

Hover effects using CartoCSS: Is this possible?

I'm trying to make a simple map of parcels in TileMill. Right now when I hover over a parcel, the information for that parcel appears in a teaser. That's simple enough. However, when working with ...
4
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3answers
105 views

Manually classifying graduated data outside of range in ArcGIS

I have two shapefiles representing grids with values that are symbolized with graduated colors, shown below: You can see that the two shapefiles encompass similar ranges of data, but assign ...
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0answers
20 views

QGIS strongly offsetted symbols for categorized layers not visible on layer list (layer panel)

I am constructing a symbology for telecom analysis, which so far is mainly point and line features. So far it is working very well except that I have to offset the symbols to be able to avoid ...
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0answers
34 views

How to understand google map overlay type from object (polygon or polyLine)

var Line = new google.maps.Polyline({ path:predectionArray, editable: false, strokeColor: '#FF0000', strokeOpacity: 1.0, strokeWeight: 2 }); var Rect=new google.maps.Polygon({ ...
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0answers
43 views

Mask Bridge with Road

Is there a tool to create mask between bridge line/point on road? The requirement to have gaps 0.2mm between road and bridge and the offset fill with white color. For now, I add a white line attach to ...
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0answers
42 views

Displaying graph with value scale on Y axis using ArcGIS for Desktop?

I have to symbolize my vector layer with Bar Graph in ArcGIS for Desktop. Along with the graph i have to display value scale on y Axis. Is this possible? I am using ArcGIS 10.2 for Desktop but ...
3
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1answer
49 views

How to display bidirectional flows?

I'm working on a map showing oil shipping. Basically, I have a a series of nodes/line segments that make up the shipping network. I've joined the sums of oil that traveled along each node, so can ...
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1answer
20 views

dermacation label

i have 3 different features which are country.shp, division.shp district.shp what should i do if i want to make the label is arrange like figure 1 because when i label all the features using ...
3
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0answers
72 views

Sourcing GIS data from First World War (WW1)?

Simple question, but does anyone know where I can get some detailed (eg 1:10m scale) vector data from the First World War? I've been through the archives here, but it seems the best sites for it ...
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1answer
95 views

Is there a gallery of QGIS maps anywhere?

Specifically, I want to see the gorgeous map of Chugach State Park that you see when starting QGIS 2.4 "Chugiak". Is there a website out there where people share maps? I would like to share and see ...
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2answers
56 views

Why orthographic projection has been used in this NatGeo map

I'm wondering why this maps uses orthographic projection, and result is 3 maps to view the whole world, what were the requirments or the reasons to choose this projection (why not mercator ) ? this ...
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2answers
97 views

Library to produce pretty print maps including rasters

I've come across a variety of libraries for easily producing maps for printing, in a fully reproducible way using some sort of code or configuration file. For example, Kartograph looks lovely, Vincent ...
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4answers
242 views

How to change dimension annotation style in ArcMap 10.1?

For some reason, the option to add a "New" or "Import" style is grayed out. I tried creating a different dimension annotation feature class with the style I want, and then copy and pasting the ...
0
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1answer
22 views

Are there any simple map data sources like world.dat

I recently came across this blog post www.gnuplotting.org/plotting-the-world/ that used a file that holds a basic map of the world. Is there a name for this kind of data. Also is there a repository of ...
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2answers
53 views

English-taught bachelor programs in cartography and GIS science?

Is there any English-taught bachelor program in Cartography and GIS science in Belgium, the Netherlands, Austria, Germany, Denmark, Sweden, Finland? I've done massive homework about that, but haven't ...
2
votes
1answer
41 views

Can I create a circle label with a leader in ArcMap?

I want to create a circle label with a leader using the standard Maplex labelling engine and symbology. Only 1 or 2 digit numbers will appear in the label. I can easily make square or rectangular ...
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vote
1answer
45 views

How do I display NYC community specific data on an interactive map without longitude/latitude coordinates?

I have downloaded the NY Department of Sanitation's Monthly Tonnage Collection data from https://data.cityofnewyork.us/City-Government/DSNY-Monthly-Tonnage-Data/ebb7-mvp5#revert and I want to use this ...
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0answers
12 views

Is there an easy-to-install website plugin for territory routing?

For an application I'm creating, I want to be able to place dots on a map in locations that my users will be visiting. Each user will have his own locations he has to visit, so I'd like to 'connect ...
9
votes
3answers
149 views

Setting symbol descriptions of ArcMap layout legends from table?

ArcMap has the ability to show an extended description for each item in the symbol list. How can I populate that property from a table? The goal is to avoid having to edit each symbol one by one in ...
5
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1answer
329 views

Can I use Representations (ArcGIS 10) to enclose a group of polygons with an outline without altering data?

ESRI describes representations as follows: A feature class representation is a property of a feature class that allows you to specify and store a series of rules that dictate the way the features ...
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4answers
109 views

Uploading maps to GPS (forestry maps: roads, trails, hydro, polygons)

I'm using a QGIS 2.2.0 Valmiera on a Windows 8.1 system Desktop. I'm a forester and I would like to have a cheap solution to load maps into the handheld Garmin 60, 62 or 64 series GPS. Free would be ...
5
votes
3answers
179 views

Guidance when to style your features in Tilemill vs. Leaflet?

I've found this generally to be dependent on each project's goals (or what the client wants), but when you have the options, what any rules of thumb or guidelines do use you in a project to determine ...