The study and practice of making maps.

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4
votes
2answers
1k 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 ...
0
votes
1answer
86 views

Hover effects using CartoCSS: Is this possible?

I'm trying to make a simple map of parcels in TileMill. Right now when I hover over a parcel, the information for that parcel appears in a teaser. That's simple enough. However, when working with ...
4
votes
3answers
81 views

Manually classifying graduated data outside of range in ArcGIS

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 ...
1
vote
0answers
14 views

QGIS strongly offsetted symbols for categorized layers not visible on layer list (layer panel)

I am constructing a symbology for telecom analysis, which so far is mainly point and line features. So far it is working very well except that I have to offset the symbols to be able to avoid ...
1
vote
0answers
24 views

How to understand google map overlay type from object (polygon or polyLine)

var Line = new google.maps.Polyline({ path:predectionArray, editable: false, strokeColor: '#FF0000', strokeOpacity: 1.0, strokeWeight: 2 }); var Rect=new google.maps.Polygon({ ...
3
votes
0answers
31 views

Mask Bridge with Road

Is there a tool to create mask between bridge line/point on road? The requirement to have gaps 0.2mm between road and bridge and the offset fill with white color. For now, I add a white line attach to ...
1
vote
0answers
28 views

Displaying graph with value scale on Y axis using ArcGIS for Desktop?

I have to symbolize my vector layer with Bar Graph in ArcGIS for Desktop. Along with the graph i have to display value scale on y Axis. Is this possible? I am using ArcGIS 10.2 for Desktop but ...
3
votes
1answer
48 views

How to display bidirectional flows?

I'm working on a map showing oil shipping. Basically, I have a a series of nodes/line segments that make up the shipping network. I've joined the sums of oil that traveled along each node, so can ...
1
vote
1answer
18 views

dermacation label

i have 3 different features which are country.shp, division.shp district.shp what should i do if i want to make the label is arrange like figure 1 because when i label all the features using ...
3
votes
0answers
64 views

Sourcing GIS data from First World War (WW1)?

Simple question, but does anyone know where I can get some detailed (eg 1:10m scale) vector data from the First World War? I've been through the archives here, but it seems the best sites for it ...
3
votes
1answer
204 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 ...
1
vote
1answer
81 views

Is there a gallery of QGIS maps anywhere?

Specifically, I want to see the gorgeous map of Chugach State Park that you see when starting QGIS 2.4 "Chugiak". Is there a website out there where people share maps? I would like to share and see ...
0
votes
3answers
137 views

Show “layer name” as text in arcgis layout view (map)

I am trying to show the layer names of all visible layers in ArcGis 10.1 when creating a map in layout view. First I tried to use "insert legend" and show there only the layername, but I can't ...
3
votes
2answers
50 views

Why orthographic projection has been used in this NatGeo map

I'm wondering why this maps uses orthographic projection, and result is 3 maps to view the whole world, what were the requirments or the reasons to choose this projection (why not mercator ) ? this ...
2
votes
1answer
121 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
94 views

mapbox layer in ESRI API

I am building an application primarily with the ESRI API, but would like to load a mapbox tilelayer to use as the basemap as they are just so much more pleasing cartographically. I dont want to change ...
5
votes
2answers
93 views

Library to produce pretty print maps including rasters

I've come across a variety of libraries for easily producing maps for printing, in a fully reproducible way using some sort of code or configuration file. For example, Kartograph looks lovely, Vincent ...
0
votes
4answers
219 views

How to change dimension annotation style in ArcMap 10.1?

For some reason, the option to add a "New" or "Import" style is grayed out. I tried creating a different dimension annotation feature class with the style I want, and then copy and pasting the ...
0
votes
1answer
22 views

Are there any simple map data sources like world.dat

I recently came across this blog post www.gnuplotting.org/plotting-the-world/ that used a file that holds a basic map of the world. Is there a name for this kind of data. Also is there a repository of ...
1
vote
2answers
49 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 ...
2
votes
1answer
35 views

Can I create a circle label with a leader in ArcMap?

I want to create a circle label with a leader using the standard Maplex labelling engine and symbology. Only 1 or 2 digit numbers will appear in the label. I can easily make square or rectangular ...
1
vote
1answer
42 views

How do I display NYC community specific data on an interactive map without longitude/latitude coordinates?

I have downloaded the NY Department of Sanitation's Monthly Tonnage Collection data from https://data.cityofnewyork.us/City-Government/DSNY-Monthly-Tonnage-Data/ebb7-mvp5#revert and I want to use this ...
1
vote
0answers
8 views

Is there an easy-to-install website plugin for territory routing?

For an application I'm creating, I want to be able to place dots on a map in locations that my users will be visiting. Each user will have his own locations he has to visit, so I'd like to 'connect ...
9
votes
3answers
138 views

Setting symbol descriptions of ArcMap layout legends from table?

ArcMap has the ability to show an extended description for each item in the symbol list. How can I populate that property from a table? The goal is to avoid having to edit each symbol one by one in ...
2
votes
1answer
48 views

Display two-dimensional color gradient for two different quantities

I have two overlapping raster layers. One contains quantity A from 0 to 100, and the other contains quantity B from 0 to 100. I'd like to create a map displaying both sets of data at once based on a ...
5
votes
1answer
322 views

Can I use Representations (ArcGIS 10) to enclose a group of polygons with an outline without altering data?

ESRI describes representations as follows: A feature class representation is a property of a feature class that allows you to specify and store a series of rules that dictate the way the features ...
2
votes
4answers
101 views

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 ...
5
votes
3answers
147 views

Guidance when to style your features in Tilemill vs. Leaflet?

I've found this generally to be dependent on each project's goals (or what the client wants), but when you have the options, what any rules of thumb or guidelines do use you in a project to determine ...
5
votes
2answers
87 views

Removing features whose labels are not displayed?

Using ArcMap 10.0, I am working on a map that shows many villages. Each village has a name attribute that I want to use for a label, but in some areas there are so many villages that not all can be ...
0
votes
1answer
164 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. ...
24
votes
2answers
1k views

Why do we use the terms “longitude” and “latitude” for a spherical body?

To specify a geographic coordinate we use the terms “longitude” and “latitude”. Far as I know, these terms derive from the Latin latitudo (= breadth) and longitudo (= length). In German we use the ...
0
votes
1answer
51 views

How to calculate point from lat/long, angle, and distance? [duplicate]

I am trying to calculate the point from a given lat/long, a bearing, and a distance. This is for plotting weather given a aeronautical way point. For example: Given a waypoint with a known ...
0
votes
0answers
24 views

How can I upload more than 10 images in a category map?

I did a category map with 30 different categories. For each, I would like to upload an image but the "wizards" permits me to upload only ten images and then one image for "others". Is it possible to ...
0
votes
0answers
27 views

Enlarge region/features in shape file

I'm completely new to QGIS. I have a shape file over the counties in Denmark (see here for what the shape file looks like). The counties around Copenhagen are rather small and I'd like to add an ...
2
votes
2answers
138 views

Choosing intervals for a map of race in the United States

I'm creating an open map layer of race in the United States using Census Data. This layer will be publicly available in the near future as "Justice Map". The goal is to help others create maps using ...
2
votes
1answer
233 views

Possible workflows for shaded relief representation as vector

I am looking for a good workflow on how to represent relief on a map as vector (e.g. for further processing in Adobe Illustrator or Inkscape). My inspiration is the present google maps at zoom level ...
4
votes
0answers
36 views

Resources for Learning 508 Compliance/Accessibility Requirements for GIS Figures

Does anyone know of any quality resources (books, papers, presentations, websites) for learning about 508 Compliance/Accessibility requirements in relation to cartography (GIS figures and templates)? ...
0
votes
0answers
22 views

Asp code for distance in SQL sever

I've looked around but I can't find the answer anywhere and im getting kinda frustrated now. I'm using sql server and what im trying to do is to find apartments within a 0.5km radious of a said ...
0
votes
3answers
66 views

Displaying road outlines but not segments i.e. no lines at intersections? [duplicate]

I have the roads that I want to just display at outlines but not segments (I.e not disconnected from each road). I am trying dissolve but its not working. Attached is a link to a package file of ...
1
vote
2answers
50 views

Trace vector map from GeoTiff, Garmin

My goal is to create a vector map for my Garmin GPS by tracing over a topo raster. The vector data would be exported in ESRI SHP format and later converted for Garmin. So far, I can load the geo ...
1
vote
1answer
62 views

Map production checklist for organisation

I would like to create a map production workflow list for my GIS colleagues at a local public authority. When someone orders a map, I would like to have a kind of check list where we can just run ...
0
votes
0answers
50 views

Any android application for field mapping with Google map in background

I need a android/iPhone app, through which I can draw point/line/polygon while survey only. The app should have facility to use Google satellite imagery or provision for uploading base maps. Please ...
3
votes
2answers
350 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 ...
1
vote
1answer
89 views

Color region polygons according to cluster label

I want to present data on a map of our country. I have used R for showing the clusters on a country! Here the steps I took: setwd('D:/r/cluster2') channel <- odbcConnectExcel('cluster.xls') data ...
0
votes
1answer
54 views

Drawing roads with different widths

I'm drawing roads with different widths. The road data is constructed using GeoJson. (Each road is represented with a LineString.) When I draw the roads with almost the same width, a trivial, direct ...
22
votes
5answers
1k views

Coloring thousands of polygons so each is distinct from its neighbors?

I am using ArcGIS 10, and I have layers of the 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 ...
0
votes
1answer
26 views

how to create a cloropleth world map in arcgis 10.2

I am new to arcgis and I am trying to create a cloropleth map to display ratio values for different countries. I believe that my basemap will need to have a country layer so that the shading of ...
8
votes
2answers
81 views

What purpose do intersection points serve when mapping?

In this old map of California you will notice a ring of intersection points, all circling the focal land mass of the map. What are these intersections used for? I assume they are meant to guide the ...
4
votes
4answers
873 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 ...
1
vote
2answers
68 views

Showing percentage symbol in ArcGIS map labels?

I'm trying to show percentage poverty per municipality on the map I'm working on, and I have the percentage values displayed on the map, but I don't know how to get the percentage symbol itself to ...