The study and practice of making maps.

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0
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0answers
20 views

Thin black line get grey when using composite pattern

I have noticed a couple times that if I set pen width of line smaller than 0.20 the line is no longer black. It is clear that the line does not just look gray because it is thin, the line is changing ...
-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
89 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
51 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
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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.
0
votes
0answers
67 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
3k 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 ...
2
votes
1answer
110 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
725 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
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0answers
70 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
254 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
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0answers
19 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
139 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
30 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
322 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
35 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 ...
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 ...
1
vote
0answers
25 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 ...
1
vote
2answers
58 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
74 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. ...
0
votes
0answers
33 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
12 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
5k 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
2k 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
72 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 ...
6
votes
5answers
2k 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
91 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
67 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
678 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
2k 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
91 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
328 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
49 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
89 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
207 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
74 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
48 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 ...
1
vote
2answers
118 views

How to make a contour map from a list of points and values? [duplicate]

I need to create a nice map with contours that represent various thematic data on a scale of a country, for instance, average temperatures in Germany. I have a list of coordinates with the values, ...
1
vote
1answer
68 views

Making flood map greyscale in ArcGIS for Desktop?

I have produced an article for publication and I have just been informed that I must produce all maps in colour and greyscale as the printed journal is only published in greyscale but the article will ...
1
vote
1answer
202 views

Using multiple map layers with different extents. Any suggestions.

I have three layers I need to try match up at the borders. This is not a projection problem, all layers are projected to Albers NAD83. The base layer (Green) is 30m DEM, with a US boundaries layer on ...
0
votes
0answers
38 views

How to map data from USGS NAS database, using HUC?

I am querying the USGS NAS (Nonindigenous Aquatic Species) database. The collection data for the results that are returned don't include lat/long points, but have an HUC (Hydrologic Unit Code). I have ...
3
votes
2answers
209 views

how to extract country border from openstreetmap

I'm trying to extract the Jordanian country border from an openstreetmap. When I click the download link for the file, the following page opens: My question is: How do I save these XML tags as an ...
15
votes
14answers
7k views

Alternative cartographic software programs?

I am looking for an alternative software product for cartography other than ArcGIS and Adobe Illustrator. The graphic quality in ArcGIS outputs is substantially poor when compared to outputs in ...
3
votes
1answer
198 views

Change countries boundaries color in a shapefile with R

I am working with R to create a map with a shapefile. I would like to change the color of the countries boundaries but I don't know how to do that. Is it possible to change the color? Here is my ...
3
votes
2answers
110 views

What Type of map is this?

Looking to find the exact type of map that the following is : It looks like a hill-shaded topographic map, most likely DEM, but I'm not sure. I need to know for certain so i can contact the map ...
4
votes
1answer
2k views

Forcing long layer names to multiple lines based on specified legend width in ArcGIS Desktop?

Do to various limitations I almost always create static (graphic) legends but I do have the occasional map where impeccable cartography is secondary to functionality hence a dynamic legend is ...
5
votes
3answers
361 views

How to display two line traffic road map cartographically?

I have two line traffic map. I want to display this maps roads as image below. This images show that when I zoom out from map, roads are showing properly.. And two line road never disappear from map. ...