The study and practice of making maps.

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36 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)? ...
4
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0answers
50 views

EPSG code as dynamic text in ArcGIS

Is it possible to get ArcGIS to show the EPSG code for a coordinate system as dynamic text? The default text is quite verbose (see below), and I think just showing the "Coordinate System" is probably ...
3
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0answers
29 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 ...
3
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0answers
61 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 ...
3
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0answers
158 views

How to do bivariate or multicriteria line symbolization in QGIS?

Bonjour, je cherche à faire sur Qgis un tracé d'un itinéraire avec comme légende une couleur pour le type de route et la largeur du trait pour la fréquentation de cette route. J'ai vu qu'il était ...
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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 ...
3
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0answers
200 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 ...
2
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0answers
74 views

Making a simple 3D map for browsers with my current geodata

I want to try to make a 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. LIDAR ...
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71 views

why is my map is not in the center when I load my map in OpenLayers?

why is my map is not in the center when I load my map in OpenLayers?And when I drag my map,it dont move sometimes,It has been tortured me for a long time,any advice would be grateful! var maxExtent = ...
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0answers
121 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 ...
2
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96 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 ...
2
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0answers
47 views

How to connect door nodes using a polyline

I am working on an indoor positioning project which need to transform CAD drawings to GIS shape files. I have transformed the file from CAD to ArcMap 10.1 already. My current problem is that how ...
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103 views

Grid perspective tool

I'm not a cartographer, but want to use a map for my project from world atlas book. I scanned the map, but no matter how carefully it is scanned, it's perspective is slightly distorted and it's ...
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283 views

How to create polygon “stamps” and extend lines by fixed distance? in QGIS

This is related to Does QGIS have these CAD editing functions? Cadtools have solved a lot of the issues I had but I need the ability to see how long a line is while I am drawing an orthoganal ...
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0answers
148 views

Symbol Level in ArcGIS 9: 'Broken' look of symbols, how to resolve

I am using symbol levels in ArcMap to style roads so that I have a banded feel. My problem is that at intersections and sharp turns, the cartography gives a broken effect in the road. How can this be ...
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218 views

How can I modify the tiles size in Openscales or other ways to boost the application performance

I am developing an application in Flex that uses Openscales and GeoServer in order to provide a map in the background. It works but the perfs aren't really good; even if everything is on the same ...
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0answers
2k 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 ...
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463 views

Why can't an “AI export” from ArcGIS 10 be opened in CorelDRAW X5?

It doesn't matter whether the .ai file is 1.5GB or 5MB, whether it's complex or simple; I always get the "The file cannot be opened." critical error. I use CorelDRAW X5 not Adobe Illustrator but ...
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10 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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23 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 ...
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0answers
23 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
8 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 ...
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0answers
10 views

Are there any NTS index maps showing the most recent update?

For the Canadian National Topographic System, are there any index maps available that do not only show map numbers throughout the country, but also the most recently available update for each map? As ...
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0answers
42 views

Which bins should be used for demographic data for a choropleth map?

I'm currently working on a project which produces a choropleth map similar to a map like this: http://dl.dropboxusercontent.com/u/54512470/Telefondaten_VIZ/index.html That map has 2x5 classifications ...
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0answers
42 views

Display followers count on Google maps using R

How can I plot the count of followers, locations wise on google maps - Im using R language my data is as below: for(i in 1:25){print(friends_obj[[i]]$location)} [1] "London & Glasgow/Edinburgh, ...
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0answers
31 views

My fusion table map with search not working

My maps are not working. It shows the search box but not the map: // ]]></script> <script type="text/javascript">// <![CDATA[ var map; var layer_0; function initialize() { map = ...
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0answers
63 views

Creating Legends for QGIS 2.0 Feature Blend Mode Outputs

I am working on visualizing ~4100 buffered point features. The shading of the buffers is keyed to a field in the data. Because the buffers overlap, I turned on multiply in the new feature blend mode ...
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0answers
59 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 ...
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0answers
74 views

Learning classical geography - recommended literature et.c

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 ...
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0answers
48 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 ...
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0answers
67 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 ...
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179 views

how can I set the StartBounds, units, and tileSize correctly in OpenLayers?

how can I set the StartBounds, units, and tileSize correctly in OpenLaters?I can not make sure this parameters,for I use jsonp,and it will dynamticly read layerinfo from esri rest resources. var ...
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81 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 ...
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0answers
135 views

Changing Default Layer Switcher

How can I change layerswitcher properties(radio button) ? So I want to change just like drop down list ?
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26 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 ...
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0answers
75 views

Is it possible to use USGS .shd files in QGIS?

Has anyone successfully used QGIS with US Geological Survey shd files to map geology - specifically to display colors and geological symbols (dip/strike etc) stored in a USGS supplied shd file. ...
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0answers
95 views

Road Symbology Issues

I have preparing road symbology using Arcmap 10.1 version. When I was prepared attribute based symbology as a layer shown on symbols were overlapped. I have attached an example image to show the ...
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0answers
148 views

Map Matching? (Finding Nearest Roads…)

I am making Pedestrian Navigation System for my school I created node and arc and digitized buildings with ArcGIS. Then, exported KML to use Javascript Dijkstra's Algorithm to find route. So far, so ...
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0answers
158 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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0answers
97 views

Is there a way to show outlines in a multipatch feature in ArcScene?

When viewed in ArcMap 2D environment, multipatch faces are outlined. When viewed in ArcScene 2.5 D environment, multipatch faces are not outlined, yet the symbol in symbology properties still shows an ...
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0answers
29 views

Adding a class for null value

I'm making a graduated style map and I would like to add a class that would represent null values. I can add a class for zero (0) value ... meaning some of the areas reported zero report, but some ...
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0answers
103 views

QGIS 1.8 map composition problem

I have recently installed QGIS 1.8 when I make a map with the adequate layer I switch to the map composition menu and try to insert a map in the white page. I draw the rectangle but nothing appears ...
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0answers
98 views

Need to create custom map based the spatial Database

I need to create a custom map in .net 2008 c# webapplication based the spatial database(sqlserver 2008) without using any third party tools For example in sqlserver 2008 i am create a map using this ...
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0answers
152 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 ...
0
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0answers
27 views

Enlarge region/features in shape file

I'm completely new to QGIS. I have a shape file over the counties in Denmark (see here for what the shape file looks like). The counties around Copenhagen are rather small and I'd like to add an ...
0
votes
0answers
48 views

Any android application for field mapping with Google map in background

I need a android/iPhone app, through which I can draw point/line/polygon while survey only. The app should have facility to use Google satellite imagery or provision for uploading base maps. Please ...
0
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0answers
29 views

QGIS developer help: custom icon

I'm a new QGIS developer and I have some difficulties to implement the follow feature: I want to track a live gps receiver and draw a custom icon (like png) in a map layer. I'm using a rubber band ...
0
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0answers
37 views

Change palette of basic colors grid in 'Select color' dialog

I would like to know if there is a way to change the default palette of colors (48 Basic colors) which is displayed on the dialog "Select Color". Specifically, I want that when I add a layer the ...
0
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0answers
8 views

how to sub in a map id instead of a topo basemap

My apologies for the extremely newbie question, but I've been working with the Bookmark widget (https://developers.arcgis.com/javascript/jssamples/widget_bookmarks_dropdownbutton.html) in the sandbox ...
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0answers
48 views

Arcgis javascript - pan and zoom simultaneously

I'm using my android device to test the arcgis javascript API 's touch support. I noticed that by default, I cannot pan and zoom the map at the same time, like google maps. Am I missing something? A ...