The study and practice of making maps.

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18
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3answers
879 views

How much Water on Earth(USGS) : A Wrong Map representation?

I happened to read a USGS article, How much water is there on, in, and above the Earth? showing a representation of all the water(which includes water from Oceans, Seas,Bays,Ice caps, Glaciers, ...
5
votes
3answers
5k views

Different level of detail(layers) on different zoom level at OpenLayers map

I want display different detail(layers) on different zoom level on OpenLayers map. I mean when zoom in should display lot of layers and when zoom out those unsuitable layers should hide automatically. ...
5
votes
4answers
5k views

Is the Mercator projection or the Gall-Peters projection of the world more accurate?

I've been researching the concept of Eurocentrism, an ideology that views the world from a very European perspective. It's seen in literature, in academia, in world history, and perhaps even in ...
3
votes
1answer
137 views

Is there any extension to “optimize” the creation of maps in QGIS?

is there any extension to "optimize" the creation of maps in QGIS? i searched the repository, but found nothing useful, maybe i searched in a wrong way.. there are some things i am really missing: ...
5
votes
1answer
3k views

How should I correctly exaggerate a hillshade raster (ArcGIS10, Spatial Analyst)?

I once wanted to generalize a high resolution raster and instead of MEAN i accidentally selected the default SUM technique, using a cell factor 5 (Lidar DEM is 1m resolution). When I used this result ...
17
votes
10answers
1k views

Blogs about digital cartography?

I´m looking for blogs or good websites about digital/web cartography...i´m not really interested in the deep technical ramblings (i´ve the forum lists for that) but rather inspirational blogs which ...
7
votes
3answers
3k views

How to create a user map from CSV?

I dont even know if QGIS is the right program for what I need.. What I need: I need a program with maps(Denmark to be specific), that I could feed with a database of users through a CSV file.. e.g. ...
3
votes
2answers
428 views

MapFish Print: does it support ArcGIS Server?

we are looking for a map print solution, MapFish printing module quite fits. but as far as the searches I've done, it seems MapFish doesn't support ArcGIS Server. One thing I am not sure about is, ...
1
vote
1answer
1k views

sending a XAPI-Request to the API-Server - over http

pretty new to Geo-Informatics so do not bear with me if my questions sound like newbie-questions: can i do some requests on POIs of Openstreetmap with XAPI. doing like so: i send a request to the ...
8
votes
4answers
2k views

How to force polygons to the bottom, without compromizing drawing speed?

I have a large polygon dataset and no time to rebuild it to regoranize the Object IDs. Many polygons are drawing above others, blocking their symbol (for example on one side of the polygon). I tried ...
4
votes
2answers
2k views

Dynamically change zoom level of overview map to fit with current extent in DDP

I am using DDP pages in a large mapset with pages ranging from 1:7500 to 1:130,000 and the overview map is zoomed out to far to see some of the smaller zones. Is it possible to set the overview map to ...
2
votes
1answer
407 views

Altering graticule intervals logically in varying map scales using ArcPy and/or Data Driven Pages?

This question appears on many sites and I was wondering if there was a script that is now available that resolves it? Please also upvote the ArcGIS Idea that Reference grids/graticules should be ...
6
votes
1answer
385 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 ...
3
votes
2answers
2k views

Python and Data driven pages - Advanced use

I need to make a number of maps where only one input changes (a layer with the range of a radio tower) and I want to add the layer, apply symbology, zoom to it, change the title to include the name of ...
8
votes
1answer
280 views

How to plot approximate geospatial data on a historical map?

Our library is undertaking a project to map historical data regarding 18th and 19th century British and American printers and publishers. One of the problems that we have encountered is the different ...
3
votes
4answers
669 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 ...
1
vote
1answer
154 views

I would like to show points moving on a map by date

I would like to create a map where i can see points moving. I have table of points for example with a date column, A 01/01/2012 B 02/01/2012 C 03/01/2012 D 04/01/2012 E 05/01/2012 F 06/01/2012 I ...
6
votes
0answers
1k views

Printable Esri symbol sets, a.k.a. style references [duplicate]

Does anyone know of good printable documents of the as-shipped Esri symbol sets, also called Style References? The new with Arcgis 10 ability to search symbol sets is a great boon, but one can still ...
0
votes
2answers
4k views

Most useful program to create an accurate city map for printing?

I googled around and several sources said this would be a good place to ask about mapping so here goes. Thanks in advance for reading! I want to make my own city map (specifically Paris) as a gift to ...
3
votes
3answers
1k 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 ...
8
votes
6answers
1k views

What are the main fields of applications of 3D GIS?

I'm doing a scholary research on 3D GIS but i have some problems in finding where they are used. Does anyone know of any real life examples where 3D GIS has been adopted?
-1
votes
2answers
2k views

ArcPy gives error Object: CreateObject cannot open map document?

This should be a really simple process but I am having issues. I want to search a workspace for all files with a certain string and then add them to the current workspace with a selected symbology. ...
1
vote
1answer
846 views

Best way to build my own simple web-based map server

I've got a requirement for a project where I need some relatively simple mapping functionality on a web page. I'm familiar with the Google Maps APIs but unfortunately this is a project that will be ...
2
votes
1answer
347 views

Embedding slippy map in Access form

I have an access database which holds several sites. This is linked to a MapInfo TAB file which holds geometry for each site. I would like for our non-GIS users to be able to view the sites in an ...
4
votes
1answer
2k views

How to display Radius after Resizing a Feature in Openlayers

@captDragon has helped me with calling the coordinates of a polygon after I have resized or dragged the feature. Ineed the radius now, i have done a radius alert on my other map,Which works correctly, ...
2
votes
1answer
239 views

Which software to use for designing city plans?

Which software would you suggest I use for designing city plans? The result needs to be an image (jpeg) so georeferencing is not necessary. I have options like ArcGIS, AdobeInDesign, Adobe ...
6
votes
2answers
730 views

How to alter transparency by spatial location

I'm trying to create a map that has a all layers within a subject area having 0% transparency (full opaque), while features outside that area (defined by a polygon shapefile) having a reduced ...
6
votes
1answer
2k views

Forcing long layer names to multiple lines based on specified legend width in ArcGIS Desktop?

Do to various limitations I almost always create static (graphic) legends but I do have the occasional map where impeccable cartography is secondary to functionality hence a dynamic legend is ...
9
votes
3answers
2k views

Intensity/Bubble Map

So I have been tasked to create a visual map of case volume shipped to each region from each of our warehouses. I think the most effective way to visualize this data is to create an intensity (bubble) ...
3
votes
1answer
625 views

How to print to a specific scale with QGIS?

How can I print a map with qgis to a specific scale? E.g. I have a map of Austria (projection: albers equal area) and want a printout on paper at 1: 3000000? Thanks Kurt
1
vote
0answers
171 views

ESRI Silverlight Cartography - Looking at whats not there

I have line data that has been symbolozied in ways that I don't have time to understand and would like to make a map that tells me =). My general question is how to display the lack of data results ...
2
votes
1answer
1k views

How can I apply symbology from two layers to one feature class with common features using ArcMap 10?

Say I have two layer files. Layer file 1 has symbology for feature types A, B & C. Layer file 2 has symbology for feature types B, C & D. In these two layer files, feature types B & C are ...
7
votes
2answers
2k views

Can shaded relief be “blended” with DEM colour ramp in ArcGIS to produce a more visually dramatic result?

Not being able to use true transparencies with ArcGIS colour ramps where only solid colours are allowed has me always wondering about how to improve the look of the surface in my maps without ...
36
votes
4answers
11k views

GIS professionals working from home?

How many of you out there work from home? What kind of company / organization do you work for (private, government, municipal, institution..?). How did you convince your employer it was a good idea? ...
1
vote
2answers
82 views

Plotting a circle on a Web map to view the resulting coverage over a central location

Not exactly a GIS question but I hope no one will mind. Does anyone know of a website (something equivalent to Google Map) where you can indicate a location, give a radius and you can view the ...
3
votes
2answers
3k views

How to show “First Vertical Derivative of the Magnetic Field” survey data on a map?

I will be given a magnetic survey raster and I am being asked to display this on a map as a "First Vertical Derivative of the Magnetic Field". I've done this before with a different older dataset but ...
4
votes
2answers
319 views

Is there an advanced way to label in ArcMap so that the label will not be dropped?

Is there an advanced way to label in ArcMap so that the label will not be dropped?
10
votes
2answers
1k 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 ...
9
votes
3answers
1k views

Put the author's name on maps?

I've been informed by my employer of a new policy where I am not to put my name on maps. I've always put my name on my maps in the past and have never run across this policy. Is it uncommon in the ...
0
votes
1answer
569 views

How can save and restore my map's extent with GeoExt?

I'm using GeoExt with OpenLayers and trying to save the extent of the map. while exploring the page, users can be able to save the extent and restore via their browsers. Here is the point that I'm ...
3
votes
3answers
1k views

Looking for good looking maps with nice colors for presentations

I'm currently working on a project where we need some good looking maps with country boundaries displaying the world. We do not need the details of the maps, but the colors are important. It will we ...
8
votes
2answers
2k views

Build and export PDF maps using ArcObjects?

I have a series of featureclasses and rasters generated using ArcObjects and calls to the Geoprocessor. I have the paths to the output, which are located in a file geodatabase. How can I use ...
1
vote
1answer
146 views

Looking for symbology for NAICS codes

I am curious if anyone has come up or has a good graphic style they can share that is symbology for NAICS codes. I have a large dataset that I want to symbpolize based on the 2 digit NAICS industry ...
11
votes
2answers
228 views

How thick in ground units is this line on a printed map?

Sometimes in discussing how accurate this that or the other thing needs to be someone will make the observation that "a line shift of 30m at 1:1million scale is less the width of the line itself when ...
3
votes
0answers
236 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, ...
10
votes
3answers
470 views

PostGIS (2.0?) - Native Versioning of the Datastore

I recently have been surprised to see there are not too many solutions at all discussing the best methods of versioning datastores which are made available for editing. I am looking for a robust, ...
2
votes
0answers
5k views

Source for ArcGIS Layout Templates?

I am running v10 of ArcGIS for Desktop. I am aware of the OTB templates provided with ArcGIS. - However, I would like to supplement these layouts with additional layouts. I am also aware of the Map ...
6
votes
5answers
6k views

How to map the frequency of overlapping points within an urban area?

I've been asked to do a favor for someone since I'm "the mapping guy" and could use some theoretical help by way of examples since my actual cartography skills are a little rusty. I have a series of ...
6
votes
1answer
124 views

How can I generate a range of pantones for a map?

When I am given a map (or make one...) I often like to get an idea of the range of colours present. One thing this does is it allows me to quickly visualize contrast (helps build maps for colour blind ...
23
votes
7answers
6k views

Examples of geovisualizations of global connectivity

I stumbled upon interesting visualization of global connectivity patterns: 'Major road and rail networks in Africa, along with transmission line and underwater cable data.' (Source, more ...