The study and practice of making maps.

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6
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88 views

What are common ways of presenting features that share coordinates?

When I encounter features of the same class, but with identical coordinates I lay them out in a spiral arm formation. I chose to pick the initial radius and angle at random (can't recall my actual ...
3
votes
0answers
43 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
votes
0answers
198 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
votes
0answers
22 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)? ...
2
votes
0answers
68 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 ...
2
votes
0answers
59 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 ...
2
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0answers
62 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 = ...
2
votes
0answers
83 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
votes
0answers
78 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
votes
0answers
43 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 ...
2
votes
0answers
141 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 ...
2
votes
0answers
94 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 ...
2
votes
0answers
252 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 ...
2
votes
0answers
139 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 ...
2
votes
0answers
213 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 ...
2
votes
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 ...
2
votes
0answers
987 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 ...
2
votes
0answers
451 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 ...
1
vote
0answers
19 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 = ...
1
vote
0answers
43 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 ...
1
vote
0answers
42 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 ...
1
vote
0answers
32 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 ...
1
vote
0answers
42 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 ...
1
vote
0answers
176 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 ...
1
vote
0answers
69 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 ...
1
vote
0answers
90 views

Changing Default Layer Switcher

How can I change layerswitcher properties(radio button) ? So I want to change just like drop down list ?
1
vote
0answers
23 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 ...
1
vote
0answers
64 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. ...
1
vote
0answers
87 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 ...
1
vote
0answers
130 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 ...
1
vote
0answers
145 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 ...
1
vote
0answers
86 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 ...
1
vote
0answers
27 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 ...
1
vote
0answers
99 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 ...
1
vote
0answers
95 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 ...
1
vote
0answers
163 views

Map missing in map composer and when I print map

I am new to QGIS and am probably missing something but when I set up a new composer and add a map to the page nothing appears. I have pressed the render button and the up date with no results. When I ...
1
vote
0answers
150 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
votes
0answers
26 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 ...
0
votes
0answers
18 views

Legend in FlexViewer - Only show classes that are visible in the current map extent

I am using ArcGIS Viewer for Flex to create web map. The legend widget can be set so that the legend in web map to only show layers that are available at the current map scale. This is great but I ...
0
votes
0answers
36 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. ...
0
votes
0answers
8 views

How can I add Raster Map as permanent layer òr Level to Microstation .DGN file

Hei Am having Raster Map and would like to visualize permanently whenever the DGN Opens , I dont wish to attach them as reference in Raster Manager but rather save it as one of the Level in ...
0
votes
0answers
14 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 ...
0
votes
0answers
32 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 ...
0
votes
0answers
27 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 ...
0
votes
0answers
29 views

How to find difference between terrain and groundwater potential map?

I want to find the difference between a terrain map and groundwater potential map to show where it is possible to apply SUDS (sustainable drainage systems) but the units makes no sense. First in ...
0
votes
0answers
58 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, ...
0
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0answers
39 views

Newbie, I want to make a map that shows something along the lines of the following:

What is the average income for housing units (middle, mixed, family, etc.) within a 2 mile radius of parks for the City of Anaheim? or What is the average number of parks within the 1/2 mile radius ...
0
votes
0answers
54 views

Map background and style

I'm very new at GIS and GeoServer. I managed to import some maps but they look like this. Somehow it has the data required but displays it as dots. How can I have it like google maps? With city names ...
0
votes
0answers
38 views

Leader lines not rendering when converted to PDF

This is very puzzling, I have an annotation feature class stored in a geodatabase that contains labels with leader lines. The leader lines show up perfectly in the .mxd, it is only when I export to ...
0
votes
0answers
76 views

How do I completely fill polygons with text labels on a per-feature basis?

I would like to create a map of regions, where each region is completely filled with its specific chunks of text. Think a map of Wordles in the shape of regions that are assembled together into a map. ...