The study and practice of making maps.

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2answers
77 views

How to extract values from a raster using R?

I'm a beginner at using R software, and I'm attempting to perform a percent linear stretch on the following raster data: > KBnew #class: RasterLayer #dimensions : 27018, 26389, 712978002 ...
5
votes
1answer
93 views

ArcGIS - Way to make interior of selected polygons partially transparent?

Is there a way to make the interior of selected polygons partially transparent as there is with polygons of a layer?
5
votes
1answer
178 views

How to achieve Super or Subscript graticule labels in QGIS Composer windows

It is quite common for paper topographic maps to label the map graticule with ordinate values in a mixture of superscript and standard digits, eg. ⁴123⁰⁰⁰ to emphasise the significant digits. The ...
2
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0answers
15 views

How to create dynamic (depend on scale) coordinates grid in ArcGIS for Desktop? [duplicate]

I am working in ArcGIS Desktop. I want to dynamicly change my coordinate grid in layout view depending on map's scale. How to do that? Currently I have to change this manually every time I zoom in or ...
1
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1answer
213 views

Fixing mercator coordinates that are outside the world bounding box?

I'm using mercator-projected overlays from a crowdsourced website where volunteers georectify images of maps by hand. Unfortunately, the slippy map that serves as the site's interface wraps and allows ...
3
votes
2answers
41 views

How to overlay Historic map onto Google Earth using QGIS?

I am very new to QGIS. I have a Plat Map of my home town from the early 1900's that I would like to overlay on Google Earth. The problem I'm having is the map will not line up. I can get roads to ...
6
votes
2answers
464 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 ...
6
votes
2answers
526 views

Automate Splitting Polygons Into Sections

I've searched for similar problems on this topic but can't find a solution. I need to split many, many, many cemetery sections into 8 (mostly) equal pieces each. Each section is for the most part ...
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0answers
21 views

Advanced Cartography of a line feature [duplicate]

I'm attempting to duplicate the maroon boundary line. I've used offsets in the line symbol editing but can't seem to achieve the smooth blend you see the picture. I've tried using multiple layers of ...
2
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1answer
80 views

How to set bounds and make map bounce back if moved away?

I wanna make this map bounces to the center, and make the red line the limit that you can move the map. Don't know why my fitbounds doesn't work. Any help? My code: var mapBounds = ...
3
votes
1answer
29 views

Change map element order in ArcPy

I am trying to change the order of text elements through arcpy, such as sending them to the front or to the back. I know I can change the position of text elements using arcpy, but I can't find any ...
1
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1answer
49 views

Creating DEM from topography map in QGIS [duplicate]

For my geology diploma project I need to create DEM from topography map my professor gave me to use as a base map. The map is georeferenced. My idea was to draw lines over the izolines of the map, ...
5
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1answer
136 views

How to cartographically generalise buildings/settlements in QGIS?

I have a set of buildings in a polygon layer which I'm going to use in a 50k map. Since the buildings are tiny I cannot show the actual form of the building, instead I'm taking the centroid of the ...
5
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0answers
57 views

Mapping methodology and/or clustering technique needed

I have a scenario in which I have two service centers (A & B) in an area. The capacity of these service centers are different. Service Center A can serve twice as many as Service Center B. They ...
15
votes
3answers
474 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 ...
1
vote
1answer
2k views

Replace text using python in active map view

I would like to update misc text in an active map window but can't seem to crack the code and I found some presentations that mention it can be done but the full code isn't there. The following is ...
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0answers
56 views

Strategies to keep cost of hosting your own map server and geocoder low

I'm currently thinking about setting up my own tile server (mapnik, mod_tile, renderd) and geocoder (nominatim) for my application. In short, the application aims to let a user specify his location ...
1
vote
1answer
110 views

I want to use Google map in OpenLayers3

I want to know how I use Google map in OpenLayers. I already know, that some example codes exist, but it's too hard to understand them. Also, I already use OSM, Bing, and ArcMap. I found lots of ...
0
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1answer
41 views

Snapping in ArcGIS API for JavaScript?

I want to add more than one layer to snapping in map var layerInfos = [ {layer:results[0].layer} ]; snappingManager.setLayerInfos(layerInfos);
1
vote
1answer
59 views

Which map projection should I use for a country land cover map?

I am currently completing a piece of GIS work and I am a bit stuck, even after doing some reading. What would the appropriate map projection and co-ordinate system be for a land cover map for a ...
1
vote
1answer
40 views

Name of Round road in Center of Amritsar, India?

New Info I just found out this area used to be a wall with 12 gates. Portions of the wall are still there. Still researching name of roads, or portions of the road, such as Bazaar Rd on South-West ...
1
vote
1answer
45 views

Changing legend label when cycling through Atlas created with QGIS composer

I have project which gets updated regularly and can have multiple areas which need to be mapped individually to go into separate reports. I generate an atlas in the composer and I have created a ...
0
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0answers
19 views

Drag'n'drop form fieldset to Openlayers map or viceversa

I tried to google if somebody would have tried this but all I could find was drag'n'drop functionality for available markers. I would like to use dynamic form for creating eg. title and description ...
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5answers
2k views

Solutions 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 ...
1
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1answer
66 views

Map composer issue

I am using QGis (latest version, OS X) and whan I create a map on map composer everything works fine. I export the map to pdf file and also goes fine. But when I save and close it and then close the ...
1
vote
1answer
205 views

How to select a line from a osm shape by osm_id

I'm using TileMill to make a map, but I can't seem to be able to format a specific item with a specific osm_id via mss. I have a shape file added as a layer #line: Then, in the features list of ...
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0answers
42 views

Why did the USGS use 1:24,000 scale for their large scale topo maps?

I can't find any particular reason this scale was used for most of their 7.5 minute large scale topo maps. At 1:24000 1"=2000' and 1cm=240m and the area per map varies between 49 and 70 square miles, ...
1
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2answers
49 views

Is there an alternative to Shapeburst Fill that does not fade out in QGIS?

I would like to highlight the areas of certain shapes with a thick stroke. However, the accuracy of my shapes is quite high (which is needed for certain zoom details), so that the "simple line" does ...
2
votes
0answers
38 views

Random color ramp issue

I have one set of polygons and one set of points sharing a common attribute (value 0-503). When applying style with new random color ramp (Categorized) the first set of polygons is displayed ...
3
votes
1answer
67 views

OpenLayers creating Marker Vector Layer

I have seen over the internet a lot of examples of using Features paste them into the Vector layer and after that insert the layer to the map . basic example: <script> var iconFeature = ...
4
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6answers
8k views

What are the elements that a good map should have? [closed]

I have drawn a map with some coordinate(longitude and latitude). What are good points that a map should have eg labels, legend, etc. Edit: The map if for the purpose of locating different objects ...
12
votes
1answer
3k 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 ...
8
votes
2answers
1k views

Is it possible to emulate “Swiss style” shaded relief with ArcGIS tools?

Is there a way to create a Swiss style (or other hand-shaded-like styles) shaded relief from a dem using ArcGIS tools alone?
0
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0answers
31 views

Creating a map with custom icons

I am busy with a project where in i am mapping the Atlanticwall bunkers in my city and i would like some help. Now I am making screenshots of a map and then I paste my 2d blueprints at the exact ...
5
votes
2answers
250 views

How to change the display order of proportional circles in QGIS 2.10?

I'm making a map with proportional circles based on point data. I want the biggest circles to be displayed below the others and the tiniest circles above. Unfortunately the default view is different : ...
19
votes
2answers
413 views

What do these curly graphics represent on this map?

What do the two curly graphics to the left and right of this map represent? They are the only two on the map and seem to be attached to the border of an area. I'm sorry I haven't posted the full ...
8
votes
6answers
1k 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?
4
votes
1answer
3k views

Alternatives to Maplex Labeling Engine for ArcGIS Desktop?

I am running ArcGIS 10 (ArcView) with the standard labeling engine. I am very familiar with Maplex and have used it in the past but it still lacked the "feature-linked" functionality given the type of ...
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5answers
1k views

What cartographic line symbol could make a coastline represent water like this old map?

I live in a coastal area with lots of islands. Sometimes with a black and white map it's hard to distinguish land from sea. So I'm trying to replicate this old map's style. I'm trying to do this in ...
3
votes
1answer
29 views

Translate names on own OSM tile server

I have set up my own tile server following this tutorial: Now i have the problem that the names are localized. Names in Spain are Spanish, in Russia Russian and so on. I want all labels in English. I ...
6
votes
4answers
1k views

Can someone help me identify this part of the map?

I'm sure 1 is a road, but what are those bumps on the side? I'm guessing 2 is a footpath. I have no idea what 3 is, if you don't know what it is, fine, let's leave it at that. I searched for what ...
1
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0answers
54 views

Resolve Building Conflicts - the open source way?

In ArcGIS there is a tool called Resolve Building Conflicts and I'd like to achieve the same using only open source tools (QGIS, GDAL etc), preferably on Mac OS instead. In the long run I'm trying to ...
0
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0answers
75 views

How to create a fantasy map

I would like to create a realistic map of a fantasy world to have an overview over the world. Now I search for a suitable editor to draw the map from scratch. One of my continents starts at the South ...
0
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0answers
13 views

MapInfo2leafletjs tool

I've downloaded a tool to export a table from MapInfo GIS to leafletjs. The base map from Openstreetmap has been created, but the choropleth map of regions is not being displayed. One possible ...
2
votes
3answers
572 views

Creating legend with new data defined symbols functionality in QGIS?

I have a large geology data set that I need to display using an industry standard set of symbols and colours. The symbols and colours are attributes of the data. I have been using the data defined ...
1
vote
3answers
170 views

Equal Area Projection for Central Ethiopia (37N)

Can anybody please tell me what is the best equal area projection for central highlands of Ethiopia. I am assuming Albers Equal Area Projection. Any suggestions?
6
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0answers
85 views

Exotic Projections QGIS

I would like to use some projections in QGIS that I can't see supported directly. An example would be something like this conformal cube projection. ...
1
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1answer
52 views

Mapping proportional Data for two group on single Map?

I have no experience in mapping but for my research purpose I required to map certain data on Map of certain country. Data is like this : State Proportion of X Proportion of Y Rest A ...
2
votes
0answers
32 views

How to filter the legend according to the current Atlas page?

I filter the legend by map in the map composer. Some symbols must be used for two legend entries, as you can see below. When I start the atlas tool, the legend displays - if the symbol contained by ...
0
votes
0answers
19 views

How to Simultaneously Map Mean and Margin of Error

This is an aesthetics/methods question for mapping the mean and margin of error (for 95% confidence interval) together in a single dataframe in ArcMap 10.2.2. Input: A polygon shapefile with ...