The description of the types of features included in a map, usually displayed in the map layout.

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6
votes
3answers
3k views

Is it possible to have a dynamic table in a data driven page environment?

I am creating a map series that has many polygons per sheet. There is annotation for the polygons however some polygons are very small with no annotation for them (annotation would completely hide a ...
10
votes
7answers
1k views

Repetitive automated mapping: which platform?

I could give a lot of examples, but imagine you have do eg a study in 10 different locations and have to generate a lot of maps with the same layout, legend. Maps can contain vector and raster data. ...
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 ...
4
votes
1answer
228 views

How to change text legend orientation from right to left reading with arcpy

I working on mxd with ArcMap 10.3 . The default's legend properties is- Layout - left to right reading (Marked with a red ellipse) : when it unmarked i get this legend: i want to know if there a ...
5
votes
3answers
991 views

Resequencing Legend Items using ArcPy?

I create various layers programmatically using ArcPy. I can adjust how the layers are sequenced using the arcpy.mapping.MoveLayer command. However, I want to have the legend reflect a different ...
4
votes
2answers
305 views

Is there a Legend Limiter in QGIS?

Is there in QGIS a function or a plugin that works similar to Legend Limiter in ArcGIS? The attribute I want to show in my legend has many possible values, I want my legend to only show those values ...
9
votes
3answers
260 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 ...
3
votes
1answer
1k views

How to allow for multiple lines in legend?

How can I force the description text in my legend to occupy more than one line? This is basically the same question as Legend: Can I force long layer names to multiple lines based on a specified ...
2
votes
1answer
45 views

QGIS Print Composer - Display Symbols for Empty Classes?

I am working on a map of mortality rates for several racial/ethnic groups and I have created custom classes to encompass the rates instead of the QGIS classes created through its various modes. This ...
1
vote
1answer
730 views

1-band raster colour table workaround in QGIS

Does anyone know what the workarounds are for the 1-band raster colour table plugin in QGIS? Currently I find it will run once, then crash on the second iteration. The workaround I use is to delete ...
8
votes
1answer
10k views

How to Add/Remove Legend with Leaflet Layers Control?

I have two overlays http://02d0c8c.netsolhost.com/dev/lcb_census_layers3.html that can be turned on and off with a Layer Control. I’d like the legend for each layer to turn on/off along with the ...
10
votes
1answer
5k views

Raster legend in R: how to colour specific values?

I have an elevation model plotted in R r <- raster("example.dem") plot(r, col = topo.colors(20)) Some of the values are below sea level (0), and I'd like to have those display in red. How can ...
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 ...
6
votes
2answers
3k views

Placing label designs in the legend - Is it possible in ArcGIS 9.3.1?

I'm working in ArcGIS 9.3.1 and apart from "regular" slayers with symbology, I have a few layers which I do not show their symbol on the map, but only their label (for example: cities layer in which ...
1
vote
2answers
875 views

How to resize symbols in the QGIS Print Composer legend?

I am trying to map a count data type via graduated symbol against a chloropleth and the legend is too big. The circles of the graduated symbols are the actual size of their corresponding values in ...
5
votes
2answers
1k views

Legend showing info for world map

I'm using ArcGIS 10.1 API for JavaScript. I'm showing dynamic map service layer containing 8 layers and I want to show legend for the currently visible layer (only 1 layer is visible at a time). The ...
4
votes
1answer
602 views

Continuous color band for a raster legend in QGIS composer legend

I'm looking for a way to insert continuous colour legend for a raster layer. I managed to create discrete symbols with values along the bar, but I would like to have a continuous bar with some values ...
4
votes
3answers
132 views

Alternative layperson-friendly names for 'Legend'?

I am making a mobile mapping app that has a button that displays a legend. Because my legend is initially hidden from view, it is really important the text I put in the button that displays the ...
4
votes
1answer
1k 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 ...
4
votes
1answer
275 views

How to sort entries in raster legend?

How do I reorder the Value field in a raster? There is no up or down button in it.
2
votes
2answers
72 views

Add a legend in an ArcGIS Javascript API

I am quite new to Javascript. I have made a html script that includes services I published to ArcGIS for server. It all does exactly what I want and I made it by copying working scripts together and ...
2
votes
2answers
124 views

Remove item from legend using ArcPy?

I can't remove item from the legend (lyr called "atikot") using arcpy with this code: import arcpy from arcpy import env removeLyr = arcpy.mapping.ListLayers(mxd, "atikot")[0] mxd = ...
2
votes
1answer
86 views

Low quality legend symbols in QGIS

The legend symbols in my QGIS map composition render very pixelated, like this: However, they render fine for actual point data. They appear this way within map composer, when printing, and when ...
2
votes
2answers
374 views

How can I create a legend with the new data defined symbols functionality?

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 ...
1
vote
1answer
40 views

Where do I find the legend for netCDF files in QGIS?

I'm using QGIS to make maps of the maize, rice and wheat cultivated area at global level. I found these great netCDF files: http://www.geog.mcgill.ca/landuse/pub/Data/175crops2000/NetCDF/ Here's an ...
1
vote
1answer
31 views

Legend hangs with large featurelayers at startup

My problem is that I created an app with a lot of services that the user can use. The problem is that when I implement the legend widget and the code goes over startup(), the app becomes stuck and it ...
1
vote
1answer
649 views

Adding count of features in categories to legend using ArcGIS for Desktop?

I am using ArcGIS 10.1 for Desktop and I would like to know How to add the Count (which is visible on the Symbology tab of the Layer Properties dialog) to the legend?
1
vote
1answer
162 views

Add legend from raster catalog? ArcGis 10.1

Does anyone have a solution on how to add the legend from a raster catalog? It does not show up, either in version 10.1 or 10.2.1. It only shows the name "Legend".
0
votes
1answer
55 views

Sort legend items up and down with arcpy

I work with arcmap 10.2.2 and I have 10 mxd's in one folder. I try to sort the legend items with a python code by moving the legend items up\down and i want that the layers in the TOC stay as is. I ...
0
votes
0answers
33 views

Moving legend items up and down with arcpy [duplicate]

How can I move a layer up/down in the legend using arcpy? I work with ArcMap 10.2.2
0
votes
1answer
187 views

How to use map service legend on ArcGIS Online?

How can I use the legend of a mapservice as part of a AGOL generated webmap? This is the map I have created which does not have a legend And this is the map service in use ...