The study and practice of making maps.

learn more… | top users | synonyms (1)

-1
votes
2answers
1k views

ArcPy gives error Object: CreateObject cannot open map document?

This should be a really simple process but I am having issues. I want to search a workspace for all files with a certain string and then add them to the current workspace with a selected symbology. ...
5
votes
1answer
76 views

EPSG code as dynamic text in ArcGIS

Is it possible to get ArcGIS to show the EPSG code for a coordinate system as dynamic text? The default text is quite verbose (see below), and I think just showing the "Coordinate System" is probably ...
0
votes
0answers
16 views

Using the phase 1 habitat styles?

I am utilising the phase 1 habitat styles and wanted to show 'mixed scattered trees' which is essentially a layer with two different types of green dot. I cannot figure out how to do this and also ...
12
votes
8answers
3k views

How to obtain overlapping semi-transparent circles effect?

I have been trying to obtain the following markers effect. How can I do the same in ArcGIS (or any free software)? This image is from a book.
173
votes
50answers
46k views

What Makes a Map Beautiful?

Often times when we make maps it is based on our subjective interpretation of what is aesthetically pleasing. I would like if people posted examples of beautiful maps, displaying any phenomena in any ...
0
votes
1answer
29 views

Using Torque to visualize rainfall data

For a little background: I have rainfall data for multiple weather stations by year, I have tried messing around with CartoDB and Torque for animation of the rainfall. my point data has each station ...
1
vote
2answers
42 views

Archaeological spatiotemporal map

So I have been trying to use Time Manager to make a spatiotemporal map of artefacts found on a archaeological site. My goal is to show if there is areas on the site wich concentrates artefacts having ...
0
votes
0answers
10 views

Zooming on a WMS Layer after click on GWT OpenLayers

I'm trying to create a map with GWT open Layers and im trying to zoom to the selected WMS feature How can I select and zoom to the selected feature? public void initMapWidget() { MapOptions ...
27
votes
4answers
2k 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 ...
0
votes
2answers
298 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. ...
0
votes
1answer
45 views

How to show coverage of 5 different years on a map [closed]

I have a district shape file which has coverage columns from 2006 to 2014. Is there a way of representing these coverages on a map showing the trends for 2006 to 2014. I want to present it like in the ...
2
votes
1answer
59 views

World map different projection

I want to display something on a world map. I have these shapefiles http://thematicmapping.org/downloads/world_borders.php I want my map to look something like this: or I am using QGis. Is ...
11
votes
5answers
584 views

Appropriate map projection for the Pacific Ocean

I've found this map that shows the Pacific Ocean from http://www.transpacificproject.com: I'd like to produce a similar map, for the same region of the earth and I'd like to use the same projection ...
1
vote
0answers
29 views

Wrong Scale Bar in Map Composer

I am attempting to add a scale bar into QGIS Map Composer for a single layer showing a map of Jervis Bay, NSW Australia. I have changed both the project and layer CRS to 'MGA56 (EPSG:28356)' and have ...
0
votes
1answer
203 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 ...
0
votes
0answers
61 views

Improving species richness map?

I asked for help in Creating species distribution map? about creating a species richness map out of X/Y coordinates and an information how many species there are in each coordinate. I finally got it ...
0
votes
0answers
14 views

How to load cartosat image in geoserver?

Does geoserver support cartosat images? my cartosat images are as follows. But geoserver is not adding them...
1
vote
2answers
107 views

Leader lines not rendering when converted to PDF

This is very puzzling, I have an annotation feature class stored in a geodatabase that contains labels with leader lines. The leader lines show up perfectly in the .mxd, it is only when I export to ...
0
votes
1answer
19 views

Geoserver labeling algorithm

Hello everyone (good morning, afternoon and evening ) :) im really interesting in knowing what kind of algorithm does the Geoserver use when presenting its maps. The Geoserver has its own algorithm , ...
3
votes
1answer
281 views

ESRI/ArcGIS draw protractor

I am using ArcGIS maps and trying to follow JS API. I am trying to understand how can I add a protractor on the map which will help in angles while drawing polygons. I understand I could add a Feature ...
0
votes
1answer
23 views

multiple electrical cable representation in Geodatabase

I have multiple electrical cable going through the same path. Should I draw them all as one single line (with an attribute denoting how many they are)? or multiple lines? if multiple, should I draw ...
4
votes
1answer
291 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
124 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 ...
11
votes
2answers
1k views

How to cartographically represent water flow?

I am modelling water flow on steep slopes for an erosion study. You can see from the screenshot the results from the ArcGIS-based flow analysis. To produce these flow lines, I generated a ...
0
votes
3answers
541 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 ...
1
vote
0answers
15 views

How does GeoServer render a Super or MegaTile

I'm working on chopping up a big mega map tile into smaller tiles at various zoom level. I'm surrounded with a problem first up in terms of how to get my big mega map tile with all the legends (with ...
2
votes
1answer
165 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 ...
1
vote
2answers
52 views

Preferred term for map extent box

If a (printed) map is created with an small map in the corner showing the extent of the main map frame in relation to the state/province etc. with a box. What is the proper cartographic term to label ...
1
vote
1answer
64 views

How to link a text to a map

I would like to know if it is possible to link a text to a leaflet map. I would like to highlight a country in my map when the mouse is hover a word in my text. My map is created with leaflet library. ...
1
vote
1answer
157 views

Exporting from ArcGIS 10.2 to PDF for editing in Inkscape-Where are the layers?

I'm trying to export a simple street map with markers from ArcGIS 10.2 to PDF for editing in Inkspace (Note: I've tried this with exports to .ai and SVG as well with results similar to those recounted ...
0
votes
0answers
18 views

How to update GeoWebCache as part of GeoServer for maptiles

I read the documentation for GeoServer but I can't seem to find a way by means of which one can update GeoWebCache dynamically by removing/deleting old (dirty map tiles) and then replace those dirty ...
0
votes
0answers
8 views

How to update MapCache with new maptiles

I have gone through the entire documentation for MapServer but I can't seem to find a way by means of which one can update MApCache dynamically by removing/deleting old (dirty map tiles) and then ...
4
votes
4answers
4k views

Is the Mercator projection or the Gall-Peters projection of the world more accurate?

I've been researching the concept of Eurocentrism, an ideology that views the world from a very European perspective. It's seen in literature, in academia, in world history, and perhaps even in ...
14
votes
4answers
1k views

Is there a name for deformation-based maps?

I have already seen maps using deformation to visualize information. For example, this map shows temporal distance between some French cities when traveling by train: Is there a name for this kind ...
19
votes
10answers
3k 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 ...
1
vote
0answers
44 views

CartoDB: cluster circles aren't proportional

I'm trying to visualize thousands of records on a map on CartoDB using the cluster feature but circles with 100 or 1000+ records have the same dimensions. I'd like to have more discrimination in ...
5
votes
5answers
1k views

Manually classifying graduated data outside of range in ArcGIS for Desktop?

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 ...
2
votes
3answers
55 views

Calculate Color of Object So No Adjacent Objects Repeat

I am attempting to assign one of 16 colors to map objects (e.g. counties, states, ZIP Codes, etc.) so that no two adjacent objects share the same color. I'm seeing tons of articles online about ...
1
vote
2answers
46 views

Is there cartographic convention for displaying text label of highest and lowest values in legend?

The first I have found is to have the lowest value and highest value be displayed like the legend shown below (image source) The second is to have relative numbers at the top and bottom (image ...
11
votes
1answer
652 views

Is there cartographic convention to ordering legend items (high-low or low-high)?

When you symbolise a layer in ArcMap, the symbols are ordered from low value to high value by default. Is that necessarily "correct"? I've never officially studied cartography - is there a convention ...
0
votes
1answer
1k views

Data Driven Pages and exporting PDF using Python [closed]

I am able to zoom into map_index shapefile rows for a group of mxd documents in layoutview and export zoomed record as a PDF document at the same time. I tried to combine below codes to make the ...
2
votes
1answer
68 views

How to generate maps like some at Wikipedia?

I've absolutely no idea if this is a proper forum to ask this or not. But I know that I can at least get some information here. I was reading few wiki articles on Indian rivers and I'm very much ...
1
vote
1answer
171 views

Legend and coloring of markers with plotGoogleMaps in R

I have a data frame (X) that looks like this: code cluster name longt latit 101 1 A -89.6171 35.24992 105 1 B -90.0154 35.10510 106 2 C ...
1
vote
1answer
30 views

Disconnected Satellite map tiles usable with OpenLayers or other javascript api

I'm looking for satellite map, usable with OpenLayer (or with an other js api), with a good scale (at least 100m, MapQuest stops at 1000m) and avaible for a disconnected mode (avaible for download). ...
1
vote
1answer
52 views

Fading or Removing Boundaries in ArcMap?

I have a dot density map of a county. I need to either fade or remove the tract lines. I can adjust the frame transparency but that's not what I'm after. I'm using ArcGIS 10.2 for Desktop.
11
votes
7answers
1k views

How to implement value-by-alpha map in GIS?

I've been doing some background reading about cartograms recently and stumbled upon interesting alternative - value-by-alpha maps. Concept is described in more details here and full paper is ...
4
votes
4answers
172 views

ArcGIS Line Fades, Possible?

Is it possible to fade the ends of a line? I have a map the shows the city of limits and because of its shape, there are some areas outside of the city limits where we don't have major road data in ...
3
votes
2answers
71 views

Create map(s) to help determine site selection

I have the task of creating a map in which the objective would be to help determine a site for a conference. I have the following data: Addresses of possible conference attendees (I have already ...
2
votes
1answer
31 views

Align Symbol to Line

I'm using ArcGIS 10.0 - ArcInfo license. I'm a fairly new user. I'd like to align rectangular symbols perpendicular to to the lines that reside nearby. I have two layers. A layer containing lines ...
4
votes
1answer
3k views

Placing all labels in ArcMap non-overlapped by extending arrow/line from label to point? [duplicate]

I was wondering if there is a way to place all labels on a map non overlapping, but by extending an arrow/line from the label to the point. I've tried the call out box, but I couldn't find a way to ...