The study and practice of making maps.

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5 views

How to overlay map with legand data on empty layer and export map on the other layer? [on hold]

Visit http://dev.openlayers.org/sandbox/camptocamp/canvas/openlayers/examples/exportMapCanvas.html How can i get the information about legend, for composing map do i need to follow any iso standards ...
7
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8answers
8k views

Manually classifying graduated data outside of range in ArcGIS for Desktop?

I have two shapefiles representing grids with values that are symbolized with graduated colors, shown below: You can see that the two shapefiles encompass similar ranges of data, but assign ...
2
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1answer
73 views

Customising QGIS Map Composer default output directory and file name suffix?

I am using QGIS for map making , I am adding multiple vector and raster layers and then finally for map making I am moving to the map composer. When I am exporting the map from Map composer , I want ...
4
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3answers
131 views

Is there a way of labeling the number of points with the same coordinates?

After reading through the following question (which is kinda related but not quite what I need): How can I show points on the same coordinate as e.g. a bigger symbol in QGIS? I found out that there ...
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4answers
7k views

How to style points in QGIS based on multiple attributes

While trying to find a useful way having earthquakes displayed, I noticed that it isn't that easy to manage. I'd like to be able to recognize the "Magnitude", "Date", and "Depth" from the style of ...
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1answer
55 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 ...
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0answers
24 views

Create multiple data points within a country [closed]

Using simple wizard I want to create multiple data points associated with one set of longitude and latitude (for one country) i.e. France or any country. Although I have two rows associated with ...
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0answers
25 views

Adding heatmap legend to print composer in QGIS

I have created a heatmap from points layer's style property. However when I add a legend to the print composer I do not get anything in the legend except the layer name, how can I add the color ramp ...
3
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1answer
83 views

Put points on a projected world map

With the help from this post Lines on reprojected sp objects with Mollweide projection, I draw a world map using Mollweide projection. I also have some points with latitudes and longitudes, and I ...
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2answers
221 views

Pink Tiled Map with Openlayers and Geoserver

I'm having a problem with the pink tiles when trying to display a map. I'm using Geoserver 2.6. In the main html page, I reference to Openlayers with: <script ...
1
vote
1answer
78 views

Creating Main and Secondary Map in QGIS? [duplicate]

In QGIS I need to generate two maps on one, I'm aiming to have a large map covering a large area in Europe and in the top right corner place another map zoomed in to a specific country. Does anyone ...
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0answers
46 views

Custom labeling with same angle as rectangular object and specific position using ArcGIS?

Can the following be done in ArcMap? It should be formula based without manual formatting as performed by my predecessor to get the following output. So Grave_No on right parallel to the y axis ...
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2answers
2k views

How to convert a spatialpolygon to a SpatialPolygonsDataFrame and add a column to the atrribute table

coast<-readShapeSpatial("coastline.shp") landc<-readShapeSpatial("landcover.shp) ro<-readShapeSpatial("roads.shp") bc<-gBuffer(ro,width=100) landc$ratings=1 ...
2
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0answers
526 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 ...
2
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1answer
44 views

Produce Oblique Mercator Map

To avoid the possibility of opinions, let me rephrase the question. Which software packages are able to produce an Oblique Mercator map between any two arbitrary points, similar to what is offered in ...
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2answers
32 views

How to overlay a polyshape to faceted maps in r with ggplot?

So i am quite new to the use of r and ggplot to produce high quality output maps for publications. I have managed to create a faceted map from my data following the approach proposed here ...
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5answers
5k views

How to create grid to divide large map into smaller sections using ArcGIS for Desktop?

This seems like it should be easy but I just can't find anything online that tells me how to do it. I have a map of small remnants of forest along creeks for an entire county in California. I need ...
3
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1answer
81 views

How to make a network /tower coverage map in in mapbox

I am new to mapping and currently I am trying to make a map showing coverage of a network provider here in my country. The map I am trying to achieve should look similiar to that at ...
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2answers
2k views

Can I reproduce this classic cartographic hillshade relief effect (hachures) electronically using modern DEM data?

I own a number of old cetral-European maps and I always liked the classic hand-drawn cartographic hillshade relief presentation that these maps feature. I am not wanting to reproduce the shading ...
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2answers
229 views

English-taught bachelor programs in cartography and GIS science?

Is there any English-taught bachelor program in Cartography and GIS science in Belgium, the Netherlands, Austria, Germany, Denmark, Sweden, Finland? I've done massive homework about that, but haven't ...
9
votes
2answers
563 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 ...
17
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10answers
1k views

Blogs about digital cartography?

I´m looking for blogs or good websites about digital/web cartography...i´m not really interested in the deep technical ramblings (i´ve the forum lists for that) but rather inspirational blogs which ...
2
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1answer
133 views

Constructing simple zip code polygon map in CartoDB?

I'm new to using CartoDB. I want to produce a map that depicts multiple layers, the first of which is simple zip code polygons (i.e. polygons outlining an area defined by a postal zip code). I ...
0
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1answer
460 views

Adding Objects/Labels to Indoor Large Business Floor Plan

I have a PDF file of the internal floor plan of a large business building (~ 302x434 feet). This file has walls (exterior and interior), door swings, and furniture. There are no measurements or scales ...
1
vote
1answer
22 views

R: Krovak projection in R - identical in ArcGIS, different in R?

I have two files: shapefile and raster, both in the same coordinate system in ArcGIS: EPSG 5514. Check information on projection in ArcGIS for raster: S-JTSK_Krovak_East_North WKID: 5514 Authority: ...
0
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1answer
187 views

how to make interactive map on sphere in unity3d

I am working on a Unity3d Project and want to show world map using google on sphere or plane but actually the problem is GOOGlE provide stataic api which don't provide image greater then 640x640. How ...
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1answer
45 views

Help with definition query [closed]

I have a layer of 5ft contour lines, and it includes a field called "Elevation" that has the elevation of that particular line in feet, (ex: 1555, 1560, 1565 etc.). I want to only show lines for every ...
2
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0answers
22 views

Set NaN values to Transparent in Matlab 'geoshow' function?

I am trying to plot rainfall values in MATLAB using geoshow function. NaN values should be transparent in the map. However, the plot I am getting comes with dark blue color for NaN values. I have ...
0
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1answer
207 views

GIS, CAD and MAP in WPF application

I am searching for a gis/map engine SDK for WPF, that supports loading and editing CAD drawings onto a map (edit = switch layers on/off), with an option to use only local/network resources. Our users ...
3
votes
1answer
209 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 ...
0
votes
1answer
251 views

How to draw a rectangle on a Leaflet map from GeoJSON data

I am trying to draw a rectangle on a Leaflet map with JSON data which looks like this. var geojsonfeatures = {"type":"FeatureCollection","features":[ {"type":"Feature", ...
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0answers
18 views

Suitable font size for road network for A0 -A1 print size QGIS

I need to print big paper maps, Im using QGIS to design my maps. But I would like to get advice on suitable front size for road names. With the map as big as A0 I can basically fit all text labels for ...
7
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1answer
124 views

Is it possible to create a round map frame in QGIS Map Composer to create circumpolar maps?

Does anybody know if it's possible to create a round map frame in QGIS Map Composer to create circumpolar maps?
12
votes
4answers
638 views

How is margin of error reported on a map?

When reporting estimates you should always include the margin of error. There are conventional ways of reporting margin of error in a table, text or graph. But, how do you report margin of error for ...
10
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4answers
564 views

Examples of geospatial scientific posters

Can you point me to examples of interesting scientific posters featuring results of geospatial analysis and/or geovisualizations?
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2answers
570 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
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1answer
102 views

How does one style the border to match the fill in QGIS?

In the past I have just manually matched the color of the border to the color of the fill, but this can be time consuming. I am wondering, is there any way to have the program automatically match ...
0
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0answers
44 views

north arrow outside map

I am plotting 5 maps using spplot having a 2*3 layout. The space not used for maps should contain cartographic features such as a north arrow. Could someone guid me in the right direction? I know how ...
7
votes
1answer
83 views

How to decrease the distance between legend's items in R?

I'm trying to create correct choropleth() map in R using GISTools package. I use choro.legend() to display my legend. However I can't create either correct legend placement, AND/OR I don't understand ...
3
votes
2answers
29 views

Is it possible to add subscripts or superscripts into a legend?

I have a population density map where I'm showing the amount of people per square kilometer. In order to make it more visually appealing I want to show something like: [any symbol here] - 2.00 - ...
3
votes
1answer
28 views

Displaying quantitative data in choropleth legend?

I have always struggled to come up with a great solution to handle choropleth or any other quantitative interval or dataset classifications in a map legend where the numbers are sequential. For ...
0
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0answers
24 views

How to generate map image using OpenLayers?

I have a solution, which displays maps on a client using OpenLayers API. Now, I received a request to pre-generate the same maps as images on the server - so a standard web client shouldn't be ...
3
votes
2answers
119 views

Plot tilted map in R

I would like to plot a tilted map, similar to the image below. I would prefer to do this using ggplot2 but I'm glad if there is a solution using base R. Any ideas on how to do this? Here is a dataset ...
0
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2answers
38 views

How to check my EPSG and units in R when it is not defined in proj4string?

After reading my .shp in R using readOGR(), I tried to figure out what is my EPSG and what are my units in my projections? when I tape my.shp = readOGR(dsn=setwd(dsn = dsn, ...
3
votes
1answer
34 views

How to get latitude and longitude of Point plotted on the map using mapbox

How can I retrieve longitude and latitude of Point plotted on map ? I am testing one website in which I need to verify longitude and latitude of Point plotted on the map. Map has been developed using ...
1
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1answer
29 views

Conditional styling in FME ChartGenerator

A vector data set represents different wilderness qualities of district areas (V, 1 and 2) and one human activity zone (N). Our cartography for the areas gives us the following map: I am using FME ...
4
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2answers
49 views

How to resize the Legend Item Wndow in Map Composer?

I am just wondering if there is any simple way (no messing with codes) to adjust this Legend Item Window in Map Composer. I am using QGIS 2.14 in windows 8. A much larger (taller) window would really ...
1
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1answer
414 views

PostGIS ST_MapAlgebra Assistance

I would like to perform the equivalent of the below ArcGIS raster calculator equation in PostGIS using the ST_MapAlgebra function and return it as a tif using ST_AsTIFF. Con(("Sol_gain_clipped.tif" ...
5
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3answers
2k views

How to create transparent text?

I am trying to insert a watermark into a map using ArcGIS. As you can see from the screenshot, I have the text in place, although I need to make the text transparent (e.g. 50% transparency). I used ...
0
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0answers
24 views

Free Basemaps for use in Print Publication

I am looking for free-to-use simple maps that show just the largest cities, region names, country names etc. with a simple background. I need about 500 of these for the major cities/countries of the ...