The study and practice of making maps.
8
votes
2answers
900 views
How do I combine high resolution and generalized hillshade rasters to produce enhanced shaded relief?
I often add LiDAR data to a map along with a shaded relief. Most of the time i have to generalize the LiDAR dem depending on the scale of the map. Still, there is often too much detail and mountain ...
1
vote
0answers
37 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 ...
19
votes
2answers
652 views
Color polygons so each is distinct from its neighbors
I'm using ArcGIS 10, and I have a layers of 2010 Census blocks, block groups, and tracts. There are thousands of polygons in these layers. I want to color them so that each is distinct from its ...
3
votes
3answers
688 views
Looking for good looking maps with nice colors for presentations
I'm currently working on a project where we need some good looking maps with country boundaries displaying the world. We do not need the details of the maps, but the colors are important. It will we ...
21
votes
4answers
353 views
How to use directional shading on boundaries for cartographic effect?
The attached screenshot of a National Geographic map shows some beautiful directional shading of boundaries. I'm trying to reproduce this sort of shading for a burn perimeter map, as I want to ...
19
votes
9answers
1k views
Discontinuous or Interrupted map projections?
Do any of the current open source GIS softwares support discontinous projection systems? E.g. sinusoidal, dymaxion, butterfly, etc? If not, are there any affordable commercial ones that do (affordable ...
9
votes
3answers
634 views
Intensity/Bubble Map
So I have been tasked to create a visual map of case volume shipped to each region from each of our warehouses. I think the most effective way to visualize this data is to create an intensity (bubble) ...
3
votes
1answer
73 views
Preventing ArcMap from Clipping Neatline when Exporting Map
I cannot seem to keep ArcMap from clipping off a fraction of an inch on the edges of the maps I am exporting:
I would like the 1.5 point border that is set for the legend to be uniform around the ...
1
vote
0answers
22 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 ...
3
votes
4answers
154 views
Halo use background color
As you see on the attached image, I labeled contour lines on the map (in meter). Which function will allow the "halo" to take the background color of the map? On the image, the halo is greenish which ...
6
votes
1answer
150 views
locating latitude-longitude point in a piste-map with matrix transforms
I am trying to plot points of a particular latitude longitude on this image of a Swiss mountainous landscape.
What I am doing is I have some 54 known location-points plotted on this image (not ...
6
votes
2answers
90 views
How do you store brief cartographical tips, information, possible future designs that you find?
I find inspiring maps and/or brief, 1-line design tips (i.e. "when satellite image is used as a basemap, I like to desaturate the tarnation out of it" that I may want to consider later using in a ...
19
votes
2answers
511 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 ...
0
votes
1answer
118 views
Way to add 1km x 1km UTM grid onto online map service
Is there any exist services or way to add 1km x 1km UTM grid onto online map service such as Google Maps or OpenStreetMap?
5
votes
1answer
168 views
Black & White / Greyscale Maps and Illustrations
I think greyscale maps & illustrations (with geographic data) seem to be abandoned and the colour maps are mostly used nowadays. This is understandable and personally I also need less time to ...
13
votes
2answers
634 views
How to represent overlapping lines in ArcGIS 10.1?
I have lots of lines (in one feature class) which share the same location but I want to represent them as lines that are next to each other because they have different properties (different OWNERS).
...
1
vote
1answer
53 views
Use Java to automate the service creation and display up to date data on the map
Our team is using ESRI ArcGIS and our requirement is
1.To create a web application in JAVA with a map displaying various data from DB.
2.The data gets updated periodically in the DB and the map ...
5
votes
2answers
765 views
Retain ESRI symbology in Mapinfo TAB
Is there anyway to retain/easily transfer symbology from ESRI to Mapinfo? The only process I found was posted in 2010 - https://groups.google.com/group/mapinfo-l/browse_thread/thread/883223ff4ae56809 ...
21
votes
5answers
989 views
How to make beautiful maps in R?
There are quite some nice possibilities to analyse spatial data in R and in the context of my current project I would like to use R more frequently to do that.
Until now I plot my maps with ggplot2 ...
22
votes
7answers
1k views
Examples of geovisualizations of global connectivity
I stumbled upon interesting visualization of global connectivity patterns:
'Major road and rail networks in Africa, along with transmission line
and underwater cable data.'
(Source, more ...
0
votes
0answers
30 views
How to integrate GPS data in a SHP file? / Comment fusionner 2 couches vectorielles? [closed]
In order to update a farming parcels dataset stored as a SHP file, I have captured updates with a GPS. How to integrate these GPS updates in my SHP dataset?
Pour mettre à jour un projet comportant ...
1
vote
1answer
27 views
other than GrADS and NCL, any other map/chart scripting and plotting software dedicated for climate and meteorology?
NCL is quite good indeed, but I would like to know whether there are other options.
8
votes
3answers
290 views
How do I compare two maps to determine which is better?
I'm trying to do an objective comparison of two different maps for the same region. At the moment, I'm struggling with defining criteria that will allow me to do a dispassionate evaluation.
Does ...
0
votes
0answers
221 views
Python package for Google Maps API v3?
I am looking for a Python package that can generate the JavaScript to display Google Maps API v3. I would like to integrate such package into a django website.
I know pymaps exists but it's for ...
10
votes
2answers
1k views
polymaps & poly… polygons
I've been playing with Bing Maps + Polymaps recently.
It has become apparent that Bing is the only mapping resource available to Polymaps that includes satellite imagery. Is this true?
I am trying ...
2
votes
0answers
28 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
1answer
134 views
How to avoid colliding parallel lines in QGIS Composer
I am preparing a map which is concerned with showing two line features and there relative location to each other. The line features are 20 m apart and at a scale of 1:50 000 or bigger on A3 I want to ...
4
votes
1answer
201 views
How to print pie charts in QGIS?
I added pie charts via text-file to my map.
When printing the map they get lost. Does anyone know how to print them?
QGIS also seems to delet some charts, when there are to many at one place. Does ...
3
votes
0answers
178 views
How to draw on an ESRI.PrototypeLab.Surface?
i'm trying to draw on the ESRI map enabled to Microsoft Surface (ESRI Map -> Surface) but i can't find the way to do so. The problem is that the Draw method (which come from the ArcGIS API for WPF, ...
4
votes
1answer
1k views
How can I render latitude-longitude coordinates on a map with D3?
I am trying to overlay dots of arbitrary sets of longitude-latitude coordinates on top of a United States map.
So far I have found the D3 cartography example, but when I try to place dots on X,Y ...
3
votes
1answer
60 views
Offline Map - QGraphicsGeo
I’ve realized a desktop application based on Qt Mobility for displaying maps and adds some landmarks in real-time (like QGeoMapObject). I've to see the track of some vehicles...
I've used the code ...
4
votes
1answer
93 views
Map automation, create and populate inset maps for densely-labelled areas
I would like to know if it is possible to automate the example in the picture below, unlike the picture below i'm using vector data.
I would like for a fixed scale generate map, but when labels are ...
6
votes
2answers
88 views
What are the background/geography and foreground/data parts of a map called?
Consider a geographical map, e.g. a street map or satellite map, overlaid with some data, e.g. crime density or distance to closest voting booth.
The former part is only used to orient the reader, so ...
10
votes
4answers
409 views
How to colour polygons with a completely transparent fill using MapServer?
Is it possible to fill polygons so that they are completely transparent in MapServer? I want to have a black background that is slightly opaque, and wherever there is a polygon I want that to be ...
1
vote
1answer
203 views
Intersection between two SpatialPolygonsDataFrame using gIntersection function in R
I want to select a subset of my map (a SpatialPolygonsDataFrame) to create a new vector map = part of the initial map included inside a given polygon (eventually, inside several polygons).
I have a ...
4
votes
1answer
473 views
I need help with saving Graphics to the a map
I have everything working just like I need it to, but when I add a new graphic to the map it does not save it. So I will add it, close the application, and when I reopen it the graphic is gone. I have ...
14
votes
3answers
336 views
Are there any books about the psychology of cartography?
I have the daunting task to do a seminar about the psychology of cartography. I have zero training in this field and would like to ask if anyone has ever tackled this angle?...I would like to ...
5
votes
2answers
182 views
Can you print cross-hatch area fills like they appear on screen?
I'm trying to use a cross-hatch symbol on polygons in QGIS.
When displayed on screen, they look just fine - both in the map and in the composer.
The problem is when they are rendered to an image ...
5
votes
5answers
312 views
What are the main fields of applications of 3D GIS?
I'm doing a scholary research on 3D GIS but i have some problems in finding where they are used. Does anyone know of any real life examples where 3D GIS has been adopted?
3
votes
1answer
136 views
High Resolution Sinusoidal Interrupted Projection of the Earth
My grandfather built a rather large globe 10 years ago and never got to complete it (he started drawing about a fifth of it by hand and just gave up after that).
I have been looking for a sinusoidal ...
8
votes
3answers
219 views
How to present three spatial variables in one map? [closed]
I want to assign 3 category of variables in a single map.
In other words, I have to produce a cartographic visualization of the damage including a legend listing:
damaged surface area in the ...
5
votes
2answers
224 views
How can I make segmented roads appear as one line?
I am footling around with Quantum GIS and the British OS Strategi dataset. If I render the roads with a simple line style they look fine:
However, if I apply something slightly fancier, it looks ...
0
votes
1answer
2k views
How do I overlay a KML on leaflet 0.4.4
I am using Leaflet 0.4.4,
I have a KML I would like to overlay on the map, how do I go about doing this?
Edit: I am already aware of https://github.com/CloudMade/Leaflet/issues/14, which directs ...
2
votes
0answers
40 views
Need help in how to map ZIP codes data by year
I'd like to build a graphic showing where city employees live, based on their date of hire. I have a list showing the hire date and the ZIP code for each employee. There are about 4,000 employees.
I ...
4
votes
3answers
256 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 ...
11
votes
2answers
215 views
How to improve cartographic visualization of overlapping polygons?
I need some advice about how to improve the visualization of cartographic information.
User can select different species and the webmapping app shows its geographical distribution (polygonal degree ...
3
votes
1answer
61 views
Is there an easy way to taper huge amounts of drainage vectors?
I've performed hydrological analysis using r.watershed using GRASS and now I have some stream vectors for a large area. Next, I'm planning to taper these streams to varying width to make them appear ...
1
vote
1answer
88 views
Transform csv-coordinates into area
I'm working with an inventory of a species in Southern Sweden. I have recorded my findings (together with coordinates, name of the species and year of finding) and created a CSV-file with i have ...
7
votes
2answers
315 views
Is the quadrilateralized spherical cube map projection the same as Snyder's cubic equal area map projection?
Is the quadrilateralized spherical cube map projection [1] the same as Snyder's cubic equal area map projection [2]?
I know both are equal area polyhedral map projections ( ...
4
votes
2answers
418 views
Dynamically change zoom level of overview map to fit with current extent in DDP
I am using DDP pages in a large mapset with pages ranging from 1:7500 to 1:130,000 and the overview map is zoomed out to far to see some of the smaller zones. Is it possible to set the overview map to ...
