The study and practice of making maps.

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2
votes
1answer
84 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
577 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
103 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 ...
3
votes
1answer
44 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 ...
2
votes
2answers
116 views

Mapbox Natural earth map disappears on zooms 0 & 1

As the title says, I'm currently using mapbox to create a little atlas app the issue is whenever I zoom out to anything lower than zoom level 2, the map dissappears with the map background being the ...
3
votes
1answer
204 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
1answer
108 views

What GIS program should I use to create this map? [closed]

I want to create a map like this . It is a raster image. What program should I use to create it? Right now on my PC, I have QGIS. Could it be able to create such map? If it can, what functionality I ...
0
votes
0answers
27 views

Zoom beyond level z16 with MapBox Studio Classic

I've loaded a georeferenced TIFF over a university (NTNU) into MapBox Studio. The fist problem is that everything is black, and I have to use the longitude/latitude of the area to find it. Second, and ...
0
votes
2answers
88 views

Insert an online map source (from a website) into ArcGIS?

Is there anyway to insert an online map source into ArcGIS? There are a lot of global maps which only is accessible by their websites, and there is no save option to save a part of these maps and use ...
2
votes
1answer
332 views

QGIS Map Composer goes blank, outputs corrupt PDF

I am using 64bit 2.10.1-Pisa on Windows 10. When I set up my composer to print, everything looks fine until I try to print or export. The composer goes completely blank and outputs a corrupted PDF ...
3
votes
1answer
177 views

Zoom hangs ArcGIS API for JavaScript application?

I'm using ESRI arcgis 3.13 I have map with minZoom set to 3. When user tries to zoom in to level 19, the program just hangs and after a while, comes back with a generic browser error not from the ...
3
votes
2answers
801 views

Are there any geology fill pattern libraries for QGIS?

I'm making a geologic map using QGIS but I don't know how to draw a limestone lithology in QGIS. To draw other lithologies I combine lines and dots in the best possible way but is very limited. Any ...
1
vote
2answers
32 views

QGIS: Class boundaries

I have seen that people already had issues about overlapping class boundaries with the classification of graduated vector data. I am wondering if there is somewhere written in the documentation if ...
2
votes
1answer
99 views

OpenLayers 3.10 - GetIndex / SetIndex

I am a complete beginner to OpenLayers and webmapping in general. I am trying to change the layers' order of my map by modifying the layers' index value, but I cannot get my code to work. Any hint ...
1
vote
1answer
247 views

How to add a layer with city names into QGIS project?

I am new to GIS technologies and I wonder how to add a layer with city names to the QGIS project. I have two layers: (1) Base cartography that is a map without any labels, (2) Delimited text layer ...
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 ...
2
votes
2answers
276 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?
1
vote
0answers
47 views

How to create a map showing NDVI result in erdas?

I'm using Spot 5 image to run an NDVI analysis. The band that I used in processing is 4,3,2. The area was 80% covered by mangrove. My problem here how can I create a map to show or present the result? ...
3
votes
0answers
72 views

Possible to create AutoCAD-like grading lines in ArcMap?

I often need to show grading for roads and ditches. This is what the map readers require and what the standard symbology for grading is. These 3D lines can be easily created in AutoCAD civil 3d and ...
0
votes
1answer
72 views

Map book based on field attributes

I have a polygon shapefile with 800 records. What I want to do is to create an MXD document and a map in jpg for every polygon record from the shp. Is this posible to be done with data driven pages ...
0
votes
0answers
36 views

Finding seasonal satellite map tiles?

I am working on an exhibit/geospatial visualization which shows the migration of marine animals over time throughout the year. I am searching for seasonal satellite map tiles. Does anyone know of any? ...
0
votes
1answer
350 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", "geometry":{"...
0
votes
1answer
59 views

layer selector map: two variables

I want to map layer selection as the example of cartodb (http://cartodb.github.io/cartodb.js/examples/layer_selector.html), the difference is that I want to choose a date in the layer selector and it ...
0
votes
1answer
56 views

Setting up Hot Key to zoom to Map Scale?

I'm wondering if I can set up a hot key to zoom to 1:4500 whenever I use it. Also if I can set up a hot key to zoom in to 1:1250. I have these two extents set up in the custom extent area and when ...
4
votes
2answers
381 views

Map projection process for three-dimensional point cloud

I have some points given in ECEF coordinates (or LatLongAltitude based on WGS84, which is interchangable in my understanding). Currently I am working on a mapping software which allows to visualize ...
2
votes
1answer
358 views

How to handle a dashed border line that becomes solid because it is shared

I am using Arc 10.3.1 and I am having a cartographic dilemma. As shown in the picture below, I have dashed line representing borders of various city zones. Where these border lines share borders ...
1
vote
1answer
84 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 ...
3
votes
3answers
194 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
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) ...
5
votes
2answers
277 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 : ...
-4
votes
1answer
124 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.
1
vote
1answer
47 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 ...
2
votes
1answer
95 views

Leaflet marker is not displaying

I am currently having slight problem on displaying marker in the leaflet. I have used the following codes on displaying marker and map, however the map is displaying flawlessly but the marker is ...
0
votes
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 ...
0
votes
1answer
73 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....
1
vote
1answer
847 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 ...
0
votes
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 ...
1
vote
0answers
161 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
votes
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
89 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
vote
1answer
84 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
94 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 ...
2
votes
1answer
160 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
votes
1answer
127 views

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

I have data: postal codevalue 00-002          50       00-003         &...
0
votes
1answer
147 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
57 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
vote
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 : ...
3
votes
1answer
116 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
vote
1answer
86 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 ...
2
votes
1answer
868 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 ... $ ...