The study and practice of making maps.

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2answers
247 views

how to display movements of a moving object in cartodb

I have few GPS tracks with lat long and timestamp. I want to present them on a map and to show how the movement took place using the time series location values (X,Y,T). I searched a lot but could not ...
0
votes
1answer
50 views

map of evolution of illiteracy with torque cartodb

I have to make a map of decreasing illiteracy rate in the last five years, I have data for each province. What I mean is that by the torque tool that offers cartodb, the provinces (which are polygons) ...
3
votes
3answers
187 views

Styling segmented cased lines in QGIS

My client wants a map of bus routes rendered as white lines with blue casing. I'm using QGIS 2.8.2 on Mac OSX 10.10.5. I found a .kml dataset here: http://developer.trimet.org/gis/data/tm_routes.kml....
0
votes
1answer
70 views

How can i plot this piece of code with ggplot2? [closed]

I have these vectors of the lakes in New Guinea and the coastline and i want to plot it using ggplot2 exactly as it follows but with a more cool appearance. co<-coastline.shp nglakes<-lakes....
4
votes
1answer
901 views

Is it possible to draw a 3D Choropleth Map in ArcGIS?

What I have in mind is something like these two examples below: Also, if it is not possible to create a 3D choropleth map in ArcGIS, is there some other GIS software package that can draw 3D ...
2
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2answers
1k views

Why do I get different output from gdal2tiles vs. maptiler?

I am trying to generate map tiles using gdal2tiles for an area much larger than MapTiler can handle. However, my tile caches are not showing up on the maps. I checked gdal2tiles by running the same ...
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1answer
123 views

Putting home location and name in Google Maps? [closed]

I want to put my home address in Google Maps forever. I registered my home location like a shopping mall, Restaurant, bar, hotels, shops store, office etc. Please describe step by step.
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1answer
157 views

Steps to integrate Cesium.js with Mapguide Opensource [closed]

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?
0
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2answers
36 views

Visually identifying areas where older poles predominate?

I have a dataset of 300,000 poles including a number of attributes including pole age. What I'd like to do, ideally, is be able to distinguish areas that have more old poles. Unfortunately I can't ...
1
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1answer
42 views

Merge points at a certain zoom level

On this website http://www.gisday.com/, if you scroll down a little bit, it shows a map of locations where GIS workshops are being held. As you zoom in (or out), the number of points changes and they ...
1
vote
1answer
786 views

How To Make My Map Fit the Whole Screen in Layout view

This is my page and print setup This is my layout view I want to make my layout view bigger. How can I expand it to the full extent. Sorry if this seems like a stupid question but I've tried ...
1
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0answers
157 views

Geoserver MBTiles plugins performance issues

I am using the latest stable 2.7.2 version of GeoServer and I am trying to play with the MBTiles plugin, I have installed also WPS plugin that is needed by the MBTiles one (otherwise I got error when ...
0
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0answers
63 views

Showing two locations in map closer to each other than in reality for space issues

I'm working on ArcMap 10.2.2. I need to print two maps for three municipalities, a city (Florence, Italy) and two smaller towns (Signa and Impruneta) in its vicinity. One map with the city and the ...
0
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0answers
8 views

How to show Two Labels of One feature In Geoserver…? (Part 2) [duplicate]

This is how my SLD 1.0.0 rule looks like <sld:Rule> <sld:Title>Reser Type</sld:Title> <sld:PolygonSymbolizer/> <sld:TextSymbolizer> <...
3
votes
1answer
88 views

When creating an expression in QGIS, is there a way to reference the next record and previous record?

I have a set of points from a GPX file, and would like to create a heatmap from them, with the points weighted on the amount of time spent at that point. I want to create a calculated field in QGIS, ...
1
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1answer
82 views

How do I label US state borders in ArcMap 10.1?

I'm trying to label a border between TN and NC, but the label manager won't let me. How can I get it to work? I'm using ArcMap 10.1
2
votes
0answers
93 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
202 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 ...
4
votes
3answers
1k 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
votes
1answer
186 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?
0
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1answer
121 views

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

I have data: postal codevalue 00-002          50       00-003         &...
2
votes
2answers
454 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: ...
0
votes
1answer
136 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 ...
1
vote
1answer
56 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
29 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
votes
3answers
449 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 ...
3
votes
1answer
119 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
votes
1answer
374 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?
3
votes
1answer
101 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
84 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
vote
1answer
164 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
28 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
136 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
votes
0answers
125 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 ...
5
votes
3answers
962 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 ...
8
votes
2answers
8k 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',{ ...
1
vote
0answers
93 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 ...
0
votes
1answer
113 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
362 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 ...
-2
votes
1answer
51 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 don'...
14
votes
3answers
5k 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 ...
1
vote
0answers
16 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, ...
4
votes
1answer
110 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 2.8.2. ...
18
votes
5answers
16k 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
votes
0answers
50 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?
2
votes
1answer
1k 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 ...
1
vote
1answer
139 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
48 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 ...
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votes
1answer
52 views

How many 0.025°x0.025° (lat/lon) squares are there on the globe? [closed]

Pretty straightforward maths question that I can't wrap my head around. If you were to fill the globe with 0.025°x0.025° squares, how many would it take? Poles don't matter too much - I know they'd ...
1
vote
0answers
21 views

Toggle layers on print composition

I want to use QGIS to make several views of bold colors for one same map. I've been using the layers in order to keep one on top of another. How could i make a composition on the print composition ...