The study and practice of making maps.

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3
votes
1answer
630 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 ...
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?
4
votes
2answers
6k views

How to Zoom in QGIS Print Composer Without a Scroll Wheel

I am attempting to print a simple map from QGIS in portrait orientation. When I use the "Add New Map" tool it brings the map in at an extent which matches my original data frame if I were to use ...
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 ...
11
votes
2answers
230 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 ...
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 ...
6
votes
3answers
1k views

How to place multiple symbols on one polygon centroid?

I am using QGIS for visualizing the health conditions of elderly living in an old age home, some of the elderly have multiple medical device with them and I want to show them on the map. Suppose I ...
24
votes
9answers
3k views

Effectively displaying demographic data on a printed map

I would like to plot the following per zone (30 zones total) data on a printable/non interactive map: Average age Average household income Number of households Population density Number of people ...
11
votes
7answers
2k views

Color palette conventions

I wonder if there is a "unified" source for map color conventions, that GIS map builders are encouraged to follow? EDIT To clear up my question a bit. I'm more interested in the color <-with ...
0
votes
1answer
340 views

How to reuse Thematic layer definitions in Mapinfo?

I have a map from table. Let the table be TABLE1. Now That I have created Thematic Map from Column1 of this table. Again I executed the following query Select * from TABLE1 where TABLE1.column1 ="...
0
votes
1answer
481 views

Arcmap 10 corner label measured grid

I am using the corner label feature in Arcmap 10. This allows you to set the "Numer of principal digits" and the "Number of base digits". What do these properties refer to?
14
votes
4answers
1k views

What resources can you suggest for making beautiful online Maps or Mapping applications?

As a GIS developer, my design skills are rather limited. Are there any links, books or resources, that you would suggest to make my online maps more pleasing and beautiful?
8
votes
4answers
13k views

How to reproject base layers in OpenLayers?

The issue is: I have vector/topo/image tiled maps for some places in north america which were published as ArcGIS Server REST service. These maps (A) are based in EPSG26912 projection. Now I wanna ...
4
votes
1answer
326 views

What is the most “logical” route generating site (for Europe by car)?

What is the most logical route generating site do you think is out there? By logical I mean optimizing the driving time between two points. (Not always is the fastest way to proceed found along the ...
1
vote
1answer
536 views

How to hide coordinates points in mapinfo?

I have created labels ,legends scale and North-direction pointer but I now need to conditionally hide or show the points using button in mapbasic program but I don't know the syntax. Where can I ...
6
votes
5answers
885 views

Provincial Base Mapping Data Sources in Canada

I'm very familiar with the Ontario Base Mapping Data, and am looking for similar data for other Canadian Provinces. Perhaps we can start a list of resources here? I'm looking for something at a larger ...
6
votes
3answers
2k views

How to normalize choropleth maps of census information?

I'm trying to improve on the census-based maps on this site, which shows census values at 5 scales from Collection Districts through to State. Currently the maps show whole numbers (eg total ...
3
votes
0answers
1k views

Converting projected coordinates to google maps pixels

I have a single polygon in a local projection system. I would like to convert that polygon into an image that can be used as an overlay on google maps. I understand that it may be better to use ...
0
votes
1answer
590 views

How to point out a city from a map image of world with longitude and latitude?

have a map image 800px wide. How can I figure out a city. like New York has 40.75 latitude and -73.98 longitude. I have to pin a mark over this point. Before I have done with x_axis and y_axis which ...
4
votes
4answers
2k views

ArcGIS: Maintaining the same layer styles over multiple data frames

Let's say you have a map with three or four data frames. In each data frame there is the same road layer. Is there a way to ensure that all the symbology/labeling/annotation is the same for that layer ...
7
votes
2answers
988 views

What is your workflow for designing “antique” maps?

I currently work with ArcGIS 9.3 and have decent competence with Adobe CS4-5 of Photoshop and Illustrator. I'm more than happy to branch out to other software. Essentially, I'd like to get really ...
0
votes
2answers
373 views

How to find which table has layer in mapinfo?

Is it possible to find if table has layer Or print list of layers? Edit:: I have a table when I selete some data from table like: Select * from earth where population >100 Then it create new ...
2
votes
1answer
1k views

GeoTools Dynamic Layer

I need to change the features of a MapLayer in real-time but I don't know how I can update/refresh/repaint the layer on the map without having to remove it and add it again (which creates flickering). ...
0
votes
1answer
177 views

How to manipulate select query in mapinfo so that it does not high light the selected data?

I have select query in a button but I don't want user to see the way I am changing the map coordinate while selecting specific points and adding a layer. How is it possible to do that in a button ? ...
0
votes
1answer
67 views

What kind of table is bingHybrid?

I closed all table but I don't wan't to close underlying map eg like bingHybrid in mapinfo. How to prevent. Any detail about there map and way to handle while closing layers would be appreciated.
2
votes
1answer
1k views

How to add custom Icon to buttons on buttonpads in mapinfo?

I have made buttons with icons availabe in mapinfo but now i want to add custom icon. Is it possible my code is as follows: Include "icons.def" Declare Sub Main Declare Sub button_prompt Sub ...
4
votes
1answer
936 views

Can I change the font type in all Text_Elements in a page?

I want to change all the font styles in a number of mxd's from "Lucinda Sans" or whatever the current one is to "Arial" without changing the font size. I wrote a simple script to find/replace text ...
1
vote
2answers
2k views

What are the best ways to connect two coordinates on mapinfo?

I have with the help of this forum drawn a coordinate system with longitude and latitude at different location. I am trying to connect these sites what is the best way to connect. Is it just drawing ...
11
votes
4answers
2k views

How can I generate a high resolution rendering of the globe?

I am building an ANSI E poster size map collection and would like to add a nice rendering of the globe to the maps indicating the approximate position of the region on the globe. The problem is that ...
14
votes
7answers
5k views

Is it easy to digitize in ArcGIS using the Wacom tablet?

I do just enough digitizing (and touching up/ drawing when post-processing) to perhaps warrant the purchase of a Wacom tablet. Just wondering how well it plays with ArcGIS. What are your experiences? ...
9
votes
3answers
1k views

What software to use as an all-around solution for mining GIS?

My employer wants me to look into constructing geology maps, modeling 3D subsurface geological formations, producing geological cross sections and other mining related products from various drill hole ...
8
votes
2answers
823 views

Why are there both square and rectangle world maps?

When i search for images of earth divides to longitude ans latitudes seems that the are 2 major types: is a perfect square and the latitudes in it are grow a different rate from the equator to up ...
3
votes
2answers
1k views

Can a mask layer in advanced drawing options be easily reversed?

I wonder if there is an solution to my crude workaround. I use often use the Advanced Drawing Options to mask items such as line underneath a contour label, etc. I am continually running into ...
3
votes
0answers
207 views

Realtime vector engine

Hey guys, I am looking for a real-time GIS vector engine that is to be used on a device using Embedded Linux/Qt (commercial or opensource). Any suggestions? Thanks. The usecase is a non-certified ...
6
votes
1answer
100 views

Dividing the world space to geographic sub-space

I am trying to divide the world space to geographic sub-space from "general" to "specific" locations and without using latitude and longitude information. That is, I am trying to think about the world ...
2
votes
3answers
1k views

Where can I download a map of the world for kids

I would like to download and plot some kind of fun (large) illustrated map of the world or Canada (with animals/ dinosaurs / points of interest, etc.) for my son's preschool cartography class. Anyone ...
4
votes
2answers
2k views

Are there water/wastewater utility GIS symbols for electronic markers?

I hesitate to ask for standard symbols, but is there a de facto standard symbol(s)? Or a popular set of symbols to use for electronic markers? Our utility will soon start marking with electronic ...
1
vote
2answers
1k views

How do you create Map Tips with Flex?

I'd like to have Map Tips display when a user hovers over or clicks on a feature in my Flex Application. Would I do this in the authoring stage or is there code I write into my Flex application??? ...
7
votes
3answers
8k views

QGIS- How to create an “area of interest” polygon mask

I've created a GP tool using ArcGIS that creates an "area of interest" mask from selected features. Effectively it creates a new donut polygon layer where the hole was the previously selected ...
3
votes
1answer
409 views

Is there an international standard with GIS symbols for power distribution objects?

Like I said in title, Im wondering if there is a standard that points out symbols for power distribution objects, power plants etc... Thanks
5
votes
3answers
336 views

Is there a recomended method for symbolizing inland lakes, streams and rivers in a topographic map?

I produce a lot of maps with inland lakes, rivers and streams overlaid over a dem surface symbolized with a color graduation (green for lows and brown for higher elevations) I also use a semi-...
7
votes
2answers
769 views

Maps, black and white/ gray scale printing

I'm working on Mapserver to do beautiful maps with AGG rendering Until now, I've only thought about the best way to get color maps. Now, I have to think how to make color ones compatible with a grey ...
15
votes
4answers
1k views

Fitting a word/tag cloud into geographic boundaries

Are there any available tools or a recommend methods for displaying a tag or word cloud (also know as wordle) onto a world map, much like in this example: Map: United States of surnames? (There may be ...
16
votes
6answers
1k views

What's the most promising application (use) of OpenStreetMap data?

In some areas OSM data is very complete and has a level of detail not seen in closed data sources. Another distinguishing factor is that it contains the knowledge of the people who live in that areas. ...
5
votes
3answers
8k views

Free Mercator, Vector Maps

Are there any free, vector, mercator projection maps available online? I'm not wanting satellite imagery, but more a stylized map along the lines of this: However, I need it to be vector-based such ...
18
votes
1answer
233 views

What User Testing techniques do you use?

In producing dynamic maps for students/users I have found the time invested in user testing well worth it. I use a varient of think aloud protocol called hallway testing. I grab any 2 or 3 likely ...