The study and practice of making maps.

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1answer
90 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);
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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
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1answer
36 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 ...
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1answer
36 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 ...
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0answers
17 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 ...
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1answer
63 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 ...
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1answer
193 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
41 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, ...
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2answers
48 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
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0answers
36 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
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1answer
62 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 = ...
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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
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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
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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?
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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
234 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
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2answers
411 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 ...
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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
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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
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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 ...
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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 ...
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0answers
53 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 ...
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0answers
73 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 ...
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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 ...
0
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1answer
165 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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votes
3answers
565 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 ...
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3answers
164 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
84 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
vote
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
31 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 ...
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0answers
18 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 ...
2
votes
0answers
83 views

QGIS 2.12 map composer issue with vectors

i am making a map that includes all kinds of vector layers; the map looks perfect in QGIS 2.12 Lyon as well as in map composer. None of the layers have scale-dipendent visibility; i have the following ...
2
votes
1answer
41 views

How to weigh the size of a spatial event with respect to the number of its hotspots?

This is probably a map algebra problem. I have a 2D map with values ranging 0.0 to 1.0 spread all over it. The algorithm that produces them is an application of the fractional Brownian motion. The map ...
2
votes
2answers
443 views

Getting information out of an ArcGIS .lyr file

I'm using ArcGIS 10 and I downloaded a Raster layer from here: http://bioval.jrc.ec.europa.eu/products/glc2000/products.php When I unzip it I get the following files: 1 Aux-File (15KB) 1 ...
0
votes
1answer
105 views

How do I get my Data Driven Pages Inset Map to center the grid featured?

I'm doing data driven pages manually. I had this working out just fine but I must have changed the settings and can't figure out how to get the locator map to follow the grid featured.
4
votes
5answers
5k views

Why does export to AI rasterize all my vector layers?

I have no raster layers in my map document and no transparencies. Yet the map is rasterized when exported to AI. (Map frame and coordinate grid are vector graphics but everything in the map itself is ...
2
votes
2answers
237 views

When is it best to use a Proportional Symbol Map or a Graduated Symbol Map?

I am having trouble understanding the difference between the two, or why it matters. How do these two differ from each other?
2
votes
1answer
584 views

Plotting map resulted from kriging 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 ... $ ...
3
votes
1answer
1k 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 ...
2
votes
2answers
97 views

How to view a part of the map in natural size using ArcGIS for Desktop?

I have a map project in ArcGIS 10.3. My project page size is custom 1500 * 1000 mm. How can I cut a part of this map to print it on A4 format paper and see this part with a natural resolution (same ...
2
votes
1answer
57 views

How to change leaflet marker options dynamically?

I want to change the draggable state of leaflet marker on some event. Now, we use marker.options.draggable to get the draggable state of that marker. However, I want to set/change that draggable state ...
1
vote
1answer
167 views

How to remove marker added map with .addTo() function in leaflet?

I am having trouble removing marker which is added with marker.addTo(map). The remove works correctly if added as layer map.addLayer(marker) and then map.removeLayer(marker). But removelayer is not ...
1
vote
1answer
81 views

Zoom out grayed out in ArcGIS API for JavaScript?

I'm using ArcGIS API for JavaScript 3.13 The zoom out slide button is grayed out, however it works when clicked. Does anybody know how to make it not grayed out? My map initialization code looks ...
4
votes
3answers
2k views

Is there a way to “disperse markers” across multiple point layers?

I have a bunch of point layers which often have overlapping features. The disperse markers geoprocessing tool works within a layer but is there a way to do it across more than one layer, so none of ...
3
votes
1answer
180 views

Create history map with inkscape with each country as a distinct object

I want to create history maps (maps showing historical borders) with inkscape and to have an object for each country. I want to draw borders between countries only once and have this part of a path ...
2
votes
3answers
2k views

How to style OS VectorMap district data?

Following a question about ways to load OS VectorMap data, I have imported the data into ArcGIS, but now want to style it in a OS-map style. I have searched around, and found various bits of ...
3
votes
1answer
42 views

Choosing aesthetic location over physical location?

I am in the process of putting together an infrastructure map for my city. We have received some engineering maps (and CAD files) that are assisting me in my task. I have also gone out and gathered ...