The study and practice of making maps.

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12 views

How to create isometric 3D map with postgis

I am looking for a way to create isometric 3D maps based on data stored in a PostGIS database. My idea is to create a PostGIS function that will return a SVG image like the one below. It is easy to ...
0
votes
2answers
104 views

Are there any simple map data sources like world.dat

I recently came across this blog post www.gnuplotting.org/plotting-the-world/ that used a file that holds a basic map of the world. Is there a name for this kind of data. Also is there a repository of ...
8
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2answers
7k views

R : convert a spatial polygon objet to spatial polygon data frame

My goal is to modify an existing shapefile by merging certain polygons. After importing the shapefile and using the UnionSpatialPolygons command, I get the polygon outline that I want. However, this ...
0
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2answers
395 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. ...
3
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3answers
268 views

how to extract country border from openstreetmap

I'm trying to extract the Jordanian country border from an openstreetmap. When I click the download link for the file, the following page opens: My question is: How do I save these XML tags as an ...
2
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1answer
174 views

Display LiDAR data in E00 (interchange file) on maps

I have Lidar data in E00 files (interchange files). Can I overlay them on some maps like say Bing maps or Geoserver with OpenLayers? If yes, what is the right way of doing it?
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0answers
30 views

Searching for advanced or cool cartographic techniques in ArcGIS [on hold]

I would like to introduce students to some unusual/ advanced / cool cartographic techniques in ArcGIS (or even QGIS) before moving onto web based cartographic tools and Adobe. I have decided to do ...
1
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1answer
15 views

Constructing a simple zip code polygon map in CartoDB

I'm new to using CartoDB. I suspect that what I want to do is rather simple but I would love some guidance. I want to produce a map that depicts multiple layers, the first of which is simple zip code ...
2
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1answer
179 views

MapServer Pixmap Symbol GAP for Park Polygon Layer

I have a Polygon layer (National Park) PNG Pixmap symbol (from Maki icon set) MapServer 5.6 If I use the PNG Pixmap symbol for my Polygon Layer, Mapserver fills the polygon layer with the png ...
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1answer
36 views

How to draw a map of postal codes of a country?

I have data: postal codevalue 00-002          50       ...
4
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1answer
349 views

Data Frame Property options have changed

I have Googled and searched ESRI help files and experimented until I am blue, not to mention reloading ArcGIS Desktop10 for Repair and adding the SP5 to it. I no longer have the options of border or ...
1
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2answers
131 views

CartoDB choropleth + bubble visualization with two independent value ranges in legend

I have been trying to display two values simultaneously i.e. one absolute value displayed by bubble size (as with layer wizard: bubble) and one relative value displayed by color (as with layer wizard: ...
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1answer
27 views

ArcGIS/Adobe Illustrator/Adobe Photoshop: Create blend between two shapes

I have a landuse layer as an ArcGIS shapefile which looks like this (here only a small sample part) The round shape of the lightgreen area results from a buffer and as the borders of this feature ...
0
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1answer
19 views

Mapbox Studio Draw Order

I have made a map using Mapbox Studio. The map is made up of 2 map sources, MapBox Streets Custom Style - a PostGIS layer I am having trouble working out how to set the draw order. I have tried ...
1
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0answers
16 views

Copyrights disappearing at certain scales on GoogleEarth Pro

I want to use a map (scale 1:10000) of a city (Montreal). I assembled it from several high quality pictures. We need to cite copyrights from GoogleEarth Pro. I have read online resources : ...
5
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3answers
401 views

Why aren't 3D Globes used as the basis of GIS systems?

Maps have been around for thousands of years and have been widely accepted as the means of representing spatial information. We all know about several map projections,each with their merits and ...
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0answers
12 views

Problem with Geonode Create Map error 403

I have installed Geonode 2.4 (developer version) on ubuntu 14. and all is doing fine. However, last few days I am getting error message whenever I try to "create map". The error message is **FORBIDEN ...
3
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1answer
104 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 ...
4
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1answer
347 views

how does arcmap calculate scalebar inside a WGS84 layout?

ArcMap lets you put a scalebar inside a layout referncing a WGS84 data frame. How is the scale calculated? Is it a "mean" scale? And, in case it's right, what "mean" scale could mean?
2
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1answer
26 views

mapbox - disabling viewing of unrendered white tiles outside of the map

I'm looking to disable being able to move the map in such a way that one can move outside of the map area: I don't want to be able to see the surrounding white areas when the map is dragged. I have ...
1
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1answer
45 views

Exporting map to PDF, fix polygon bleed

I'm trying to export my map. But ArcGIS generates PDF (or other) maps that is not the same as in the layout view. I have polygons that is filled with a pattern, and this pattern is drawn over the ...
1
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0answers
39 views

Plotting a weighted map like a heatmap in R

I want to plot a map weighted by prices. I got a data frame of latitudes, longitudes and prices: > str(data) 'data.frame': 1253 obs. of 3 variables: $ lon : num 11.2 11.1 11 11 11.3 ... $ ...
1
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1answer
123 views

What free software can be used for print-quality map production? [duplicate]

I am creating art prints using spatial data. I use ESRI software every day for my regular job, therefore I am proficient in GIS. However, I can't afford ESRI software for my art projects at home. ...
0
votes
1answer
22 views

US Census: bivariate chloropleth of total population (ACS 2013) and total jobs (LEHD 2012)

The most recent ACS data available is 2013 and Tiger data is also available for 2013. The most recent LEHD data available is 2012 and the geography crosswalk files join it to Tiger 2010 data. Given ...
2
votes
1answer
125 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 ...
2
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0answers
42 views

GTA V coordinates to LatLng

I'm here because I'm trying to create a GTA V map with Leafletjs API. In deed, I've got my tiles that are ready. But the aim is to put markers on the map by using GTA V in-game coordinates. To achieve ...
1
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1answer
49 views

Story Map - good tutorials?

I am fairly new to ArcGIS and just wanted to know if anyone knew of any particularly helpful tutorials online or books for making story maps?
4
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3answers
185 views

Creating map with same-area hexagonal polygons using ArcGIS for Desktop?

I'm trying to figure out (1) what this type of map linked here is called (I've been unable to find the name through search), and (2) whether there is an Arc tool that will transform a shapefile or ...
7
votes
2answers
5k views

Auto zoom on multipolygon with leaflet

I have a geojson with a multipolygon and I want to fit this multipolygon to the map. The map center only on one polygon not on the multipolygon. Here is my script var map = L.map('map',{ ...
0
votes
1answer
29 views

Are there any crowdsourced hand-drawn cartography projects?

I just came across this lovely hand-drawn, yet OpenLayers-enabled, map of Reykjavik: http://www.reykjavikcentermap.com/ It's obviously a labour of love for some talented artist, but it got me ...
26
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15answers
3k views

Good websites for map-lovers?

Do you know some good websites for map-lovers? I often visit strange-maps, cool-maps, makingmaps and hipkiss.org. Do you know others?
0
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0answers
13 views

Steps to integrate Cesium.js with Mapguide Opensource

I render map in php mapviewer with mapguide opensource and postgresql/postgis and edit with mapguide maestro. What would be steps to integrate cesium.js?
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0answers
20 views

How to improve Maplex placement when you get such a clutter?

I use ArcMap to produce map document containing a lot of label boxes with line callout. Sometimes, I have so many labels that leaders come very matted. Then I use Illustrator to unravel. How could ...
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0answers
29 views

Displaying heatmap with large number of dense points of interest in QGIS?

I am currently trying to make heatmaps of bird observations in an area. I have had a lot of success making the actual heatmaps for most birds, except the ones that are extremely abundant. I use the ...
2
votes
1answer
717 views

Matchlines with Data Driven Pages in ArcGIS

I have a map book created via the Data Driven Pages tool in ArcGIS. Specifically, I used the Strip Map option when I created the book. And I have employed the 'Angle' attribute of the index layer in ...
0
votes
1answer
35 views

Excel data to a Raster Map

I am trying to create a radiometric map, I have x, y , z coordinates and a value in excel. I want to create a raster map based on this data. How do I go about doing this. I am using ArcGIS 10 with ...
5
votes
1answer
226 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 ...
11
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1answer
2k views

How to create desire lines in QGIS?

How can I show the flow coming from an Origin-Destination matrix as desire lines? I need a result like the one in the picture below. I need to scale them proportionally to its value (coming from a ...
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votes
1answer
38 views

Where's the mean center of the contiguous US population? [closed]

I can find 1790 to 2010 and an estimate for 2014 but Alaska and Hawaii are included after they became states and I wonder what it is without those states' extreme distances skewing the average. I ...
12
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3answers
4k views

Cartographic techniques for symbolizing routing data

Some common problems with displaying routes created from street data, such as bus routes, include: Routes may overlap themselves, such as when a route takes the same road in opposite directions ...
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0answers
7 views

Is there a established color convention for US Federal Agencies?

Do US Federal Agencies have a convention for coloring the lands under the jurisdiction of each? For example, BLM lands are often yellow, USFS light green, NPS blue or dark green, etc. I've found this, ...
1
vote
4answers
1k views

Cheaper solution for uploading maps to GPS (forestry maps: roads, trails, hydro, polygons)?

I'm using a QGIS 2.2.0 Valmiera on a Windows 8.1 system Desktop. I'm a forester and I would like to have a cheap solution to load maps into the handheld Garmin 60, 62 or 64 series GPS. Free would be ...
4
votes
1answer
72 views

How to visualize texture along borders of multipart polygon

I came across this map and would like to replicate the textured styling found along the borders. I'm starting with a multipart polygon but my process has perhaps too many steps. I'm using QGIS ...
17
votes
5answers
11k views

How to produce a better inset map?

Attached is an example of a generic inset map designed in ArcMap 10. For all the wonderful things that this software can accomplish, there has to be a more sophisticated way to produce better looking ...
0
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0answers
21 views

Using cached map offline in GeoServer?

I'd like to use a map and publish it in a webpage,while using Geoserver in an offline mode (without internet connection). Should this cached map be made with Geowebcache only? if so how to proceed?
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0answers
51 views

How to create cartogram maps in Arcgis 10.2.2?

I have followed the exact steps from http://www.gislounge.com/how-to-make-area-cartogram-maps-in-arcgis/ and downloaded from arcscripts.esri.com. After adding the cartogram tool into the toolbox and I ...
1
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1answer
102 views

How to reproject a raster from lat/lon to UTM in R?

i have to turn it into a UTM in order to make the buffer functional. wets<-readOGR(dsn=".",layer="shapefile") r.raster <- raster() extent(r.raster) <- extent(wets) res(r.raster) <- 100 ...
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1answer
41 views

What tools are available for Public Participatory GIS (PPGIS)? [closed]

Public participatory GIS is going to be one of the most important part of GIS in my view. I would like to ask you all, what are available tools/platforms for not just basic web mapping? I'm user of ...
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1answer
32 views

Is it possible to zoom out a plot of a map in R?

Sometimes a plot looks zoomed in how to arrange that? i use the rgeos package mainly. When i do a buffer for example somewhere the plot tends to zoom in some part of the map which is not good since it ...
2
votes
1answer
38 views

Network Diffusion Map

I am working on an interactive map which I vision to have a similar structure to diffusion networks. I have data to pin point an event and I would like to show those involved with said event, and ...