The study and practice of making maps.

learn more… | top users | synonyms (2)

0
votes
2answers
116 views

Slippy map tile question and good practice

I have created a small slippy map (Leaflet) and have given it a bounding box. If the user tries to pan/slide outside the given bounds then the map bounces back. Also, the slippy map only has tiles ...
4
votes
1answer
414 views

How to write labels with varying significant figures/decimal places?

I have results that range from ex. 113,009 down to 0.00495 - Can someone recommend a way to write/construct a label expression for the following in ArcMap: • If less than 1, use 2 decimal places ...
1
vote
0answers
198 views

Ohio State Plane to Lat/Lon

I've looked into a few other posts/libraries as far as converting between State Plane (Easting/Northing) to get a Lat/Lon value, however I've run into some trouble. I saw here ...
0
votes
1answer
402 views

Picture Symbol Proportion in ESRI Javascript API

I am successfully using a picture marker symbol to represent tree's in a web-map built using the ESRI Javascript API. Is there a method to proportionally size the picture symbol for each scale of the ...
0
votes
0answers
256 views

offline OpenLayers with MapQuest not showing (openlayers asking wrong tile names/zooms

i´m beginning on GIS, trying to show maps offline, from the disk. I got the tiles from MapQuest, level 6 to 12. I´m trying to show them with OpenLayers but it´s only showing empty rectangles. ...
7
votes
3answers
115 views

Resources for Learning 508 Compliance/Accessibility Requirements for GIS Figures

Does anyone know of any quality resources (books, papers, presentations, websites) for learning about 508 Compliance/Accessibility requirements in relation to cartography (GIS figures and templates)? ...
1
vote
2answers
89 views

Trace vector map from GeoTiff, Garmin

My goal is to create a vector map for my Garmin GPS by tracing over a topo raster. The vector data would be exported in ESRI SHP format and later converted for Garmin. So far, I can load the geo ...
2
votes
1answer
112 views

Learning classical geography - recommended literature etc

I've been working in the field of GIS for a few years now, and there are some disciplines of knowledge where I lack a good degree of education. My educational background is that I've studied computer ...
-2
votes
1answer
103 views

Buffer is giving me a different distance [closed]

I'm using ArcGIS 10.1. When I Buffered I changed the environments to compare the two different projections. WyLAM is a statewide Lambert Conformal Conic projection used for Wyoming. State plane in ...
3
votes
2answers
383 views

Key for a Heat Map

I have a question about heat maps and the correct way to describe the results. I have a dataset of small historic territorial units which vary greatly in size in different parts of a country. I want ...
1
vote
3answers
749 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 ...
0
votes
2answers
450 views

Best way to create/draw a map (especially indoor)

I'm currently developing an indoor map/room plan for an university project. I've already searched through stackexchange to figure it out but I couldn't find anything similar. So what I currently do ...
1
vote
1answer
239 views

How to get a list of map scales programmatically in ArcMap?

I need to get all map scales, which are shown in the ArcMap scalebar. I need list of value, something like: 1:1500 1:3000 1:6000 1:12000 1:24000 1:50000 1:100000 Does anyone know how to get it?
4
votes
3answers
323 views

Open Street Map: converting to country -> administrative unit -> city database

To moderators: If you think this question is too broad, please point me into right direction before closing, I'm desperately looking for help. I'm stuck on my task and I don't know what to do. The ...
0
votes
1answer
41 views

How can I upload more than 10 images in a category map?

I did a category map with 30 different categories. For each, I would like to upload an image but the "wizards" permits me to upload only ten images and then one image for "others". Is it possible to ...
8
votes
1answer
405 views

Help choosing most suitable bivariate choropleth mapping coloring scheme

I am trying to overlay a nominal variable (2 categories - rainfed vs irrigated) in a choropleth map over a numeric variable. In order to highlight the difference in pattern among the two ...
1
vote
1answer
215 views

Exporting from ArcGIS 10.2 to PDF for editing in Inkscape-Where are the layers?

I'm trying to export a simple street map with markers from ArcGIS 10.2 to PDF for editing in Inkspace (Note: I've tried this with exports to .ai and SVG as well with results similar to those recounted ...
2
votes
1answer
530 views

Is there a standard for oil pipeline symbology?

DEAR PEOPLE FROM THE FUTURE: Here's what we've figured out so far… To develop a map for specific public is recommended using some special symbology. I am in charge to develop a map for an audience in ...
3
votes
1answer
214 views

How to prepare automatic text labelling for legend using arcmap?

I need to label for text with legend without ungrouping layers. I have attached an example image to show the expected output model I am looking for your guidance. Thanks in advance.
1
vote
2answers
372 views

What is a good Javascript API for weather data?

I'm looking for a good javascript api which gives access to a weather data-base. I want to extract information like average number of rain days, amount of sunshine and average temperature. Is there ...
0
votes
1answer
95 views

European route E4 in geodata format

Good morning, Has anybody locate any kml, shp or gpx file with the complete European trail E4 ? Lots of google search navigates me to nowhere ... Dimitris
6
votes
3answers
632 views

Should I use a discrete or continuous scale for coloring a chloropleth?

I am making a choropleth for an upcoming local race using D3. There are two candidates running for an election. For any given polygon on my map, if the red candidate has more votes, the color should ...
3
votes
1answer
119 views

Which projection is being used in this figure?

I would like to use the projection being used in this figure. Does anyone know which one it is? Esp helpful if it is available in ArcGIS. From plant stress page thanks!
2
votes
3answers
1k views

ArcGIS legend columns

I am making a legend in ArcGIS 10, and have a few layers with a large number of classes. When I try to display the legend with two columns for that layer, the second layer always lines up with the ...
1
vote
1answer
220 views

How to create themed layer based on a list of geometries and specific risk values in Sharpmap

I am now using SharpMap for creating a network-based tool. By using SharpMap, for constructing network, the current functions in SharpMap enables the tool to capture coordinate on background layer and ...
1
vote
1answer
111 views

How to create a value-by-alpha map in Java?

Someone has post similar question as mine before : similar question But my objective is slightly different. I have a shape file (.shp) (a country map) I would like to write a piece of java code to ...
0
votes
2answers
117 views

How can you insert a custom symbol?

How can you use a custom symbol for either dot density or proportional symbol maps in QGIS? Is there a way to import a symbol of your own such as a drawing or image that you can create or download ...
0
votes
1answer
419 views

Flow Mapping Lines by Magnitude

I am attempting to map the flow of remittances into Japan using the FlowMapper plugin in QGIS. When I use the Style--> Advanced--> Size Scale field--> magnitude command, the lines become so thick ...
0
votes
0answers
38 views

getting Intersections and streets from map

Am new to GIS and maps , but am working on a research concerning traffic analysis and I want to get the Intersections as nodes and the connecting streets as edges , what source could I find these data ...
3
votes
1answer
439 views

Export ArcMap cartographic representation to a symbol?

Using Cartographic Representation (CR) I've created a nice feature symbol with a filled interior and sharp outline. It looks great on a map, on screen and printed. However I can't duplicate that ...
2
votes
1answer
53 views

Is there demand for a service to publish web maps with lots of shapes? [closed]

Is anyone in the GIS community trying to publish choropleth web maps with a large (10s to 100s of thousands) number of polygons? and if so what's your current approach and what are the shortcomings of ...
2
votes
2answers
115 views

Measure areas, lenghts in specific regions (Australia, Sout East Asia)

I'm in need to find a suitable projections to measure correctly areas and lenghts for 2 areas of interest. I want to measure both factors for: 1) First region Australia & New Zealand (1st ...
0
votes
2answers
370 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. ...
5
votes
2answers
234 views

Which true type editor do you use to create/modify point symbols for GIS?

Which true type editor do you use to create/modify point symbols for GIS and what are the advantages and disadvantages of the tool? I am looking for a true type editor to create/modify custom point ...
0
votes
0answers
95 views

Moving a Google Map Marker on a Mac

I have exact lat & long coordinates that I will enter and hit return in Google maps. When I do this it displays this point with a green marker on the map but I can not move this marker. I want to ...
4
votes
2answers
115 views

Measuring scale for small scale maps

A cartography question: you open an atlas and usually at the beginning of it there are some world maps showing various thematics. Let's say the world map uses Robinson projection and it says it has a ...
1
vote
0answers
151 views

updating the extent automatically in the print composer

Just started using QGIS (after trying what I need to in GRASS). Using the Print Composer, I've put down a map which is based on the map in my map canvas, which is what I'll want to print. Then put ...
0
votes
1answer
67 views

How to use the Cartographic Composer of GRASS 6.4.3?

Following on from my previous question (which was, again, how to use the Cartographic Composer)... I've got a GIS in GRASS. I need to print various bits of it. Problem is, it needs images on it ...
5
votes
1answer
172 views

How to achieve Gradient Fills in ArcMap?

Does anyone know of a native way to achieve the gradient fills like the ones in the attached picture (map_1)? The circular and rectangular fills that I see already in ArcGIS' symbology choices don't ...
2
votes
1answer
208 views

Openlayer map not loading

Just another OpenLayers problem Plugin is installed correctly but when I add a layer I get following message. (CRS is on Pseudo mercator) Can anyone help me out? An error has occurred while ...
14
votes
4answers
1k views

How do I make a map where overlapping symbols increase Opacity?

I was looking at some maps like: Map from Ship Logs or the Facebook worldwide friendships Mapped (via the Flowing Data blog) These Maps look good because single lines are almost transparent, and ...
2
votes
2answers
62 views

How to produce maps with copyright imagery on it in GRASS?

I'm having some trouble with a GIS that I've got to produce. I work for a contractor and we'll have to produce maps to do the work for our client. The client has specified that if we print maps out ...
4
votes
1answer
115 views

Criteria for cartographic capacity [closed]

For a paper at university i am trying to create a cataloge for cartographic capacity of different GIS programs, especially open source like QGIS and so on The aim of this is to eventually have a ...
0
votes
0answers
283 views

Lambert conformal conic projection - Europa

I am trying to calculate map of Europa in Lambert projection. I am using formula from wikipedia (Lambert wiki), but calculation is verřy slow with comparison to Mercator. I know, there are sin, cos, ...
3
votes
1answer
97 views

Customize search feature

I'm trying to create a map with CartoDB to show the spanish population between...at a municipality level. I can do everything perfectly, but I have just one problem: I would like to know if is ...
3
votes
1answer
194 views

Declination Diagram

What point on a UTM map does the declination diagram refer to? Is it the centre? Is it the edges? Is there a standard? The central meridian on a UTM map points to true north. Are grid north and true ...
3
votes
1answer
229 views

How to fill the area bounded by lines in QGIS?

There are two types of area I want to fill color: The areas bounded by a line, such as a building The area bounded by different lines, such as the river I don't know how with QGIS. I only know how ...
5
votes
1answer
128 views

Making a 3D map with shapefiles, lidar and aerial image data

I want to try to make a simple 3D map for a small area (10 square miles) with some housing, some roads and some vegetation on it. My geodata is as follows: shapes with houses/roads/vegetation. ...
1
vote
1answer
48 views

Connecting a map to live data from Yahoo Finance

I have a vector world map and am trying to connect it to Yahoo Finance, Live, in such a way that: a) If a particular country's currency goes down, the map of that country will go RED and if it goes ...
1
vote
1answer
423 views

Create a Dynamic Table in your Map Layout - how to use Graphic table element?

Is this Solution (Create a Dynamic Table in your Map Layout using graphic table element) is part of this Extension ESRi production-mapping extension ? how can i use graphic table element ?