Annotating data on a map using text and/or graphics.
29
votes
3answers
4k views
LatLon or LonLat, what's the “right” way to display coordinates and inputs?
I'm trying to get a sense if this is an issue for others or every input/output should be labeled so user is not confused and just go with it?
I think almost everyone pronounces it as "LatLon". Who ...
11
votes
3answers
307 views
Idiots guide to expressions for QGIS
I have no formal training in GIS and have learned on the fly with ArcGIS 9.3 at work and have been dabbling with QGIS on my own time for my business. Is there any resource recommendations ingeneral ...
11
votes
2answers
3k views
How to use label classes, expressions, and annotations?
I've always found that when it comes to python, vector analysis, QGIS gives ArcGIS a run for its money, hell some of the qgis plugins exceed ArcGIS's performance by a few hours; however, I always have ...
10
votes
3answers
250 views
What's the convention for “upside down” labels?
I have line features that are to be used for labels. These lines are correctly oriented(rotated) and positioned such that text placed on them should give a good cartographic output.
Compare the below ...
10
votes
1answer
258 views
Is there a way to add a “current user” label to the print composer?
Is there a way to add a current user label to the print composer in QGIS.
I thought there might be something similar to the $CURRENT_DATE format available.
This would be in a windows environment.
9
votes
12answers
10k views
ArcMap 10: Labels not appearing
Not sure what the issue is, but I'm unable to get labels to display in Arcmap 10. The obvious things are accounted for (as far as I know). Labels are set in Properties, layers are checked to label in ...
9
votes
5answers
652 views
Measuring straightness of a curve segment (represented as a polyline)
I'm working on an automatic elevation contour labeling algorithm and one of the factors that I want to take into account when deciding the positions of labels is how "straight" a particular segment of ...
9
votes
4answers
880 views
How to place elevation numbers on contours with uphill orientation and position?
I want to orient my elevation labels uphill. Is that possible? I'm currently using the labeling tool from QGIS (not that one in layer settings). I want the labels curved and uphill oriented (and I ...
9
votes
1answer
103 views
Advanced labeling formatting (centered and different sizes)
I would like to place the elevation-number of a point in a different front size and centred under its name:
Is that possible?
(That is my actual labeling: label || '\n' || elevation)
Thanks!
9
votes
6answers
568 views
How are labels dynamically placed on a line or polygon?
I was wondering if anyone knew the math involved, or resources for learning the math involved, in finding the ideal position, scale, and rotation of a label for a line or polygon on a map?
The most ...
9
votes
3answers
245 views
Contours: Interrupt contour lines beneath a elevation number
Is there a way to interrupt a contour line beneath a elevation number?
Thanks!
8
votes
2answers
569 views
How to only show labels for an arbitrary selection of items?
I'm curious how others go about solving this problem: You've created a map for something with a large number of features that are labeled. The customer/client asks that you only show labels for X, Y ...
8
votes
3answers
678 views
How to prevent text labels from overlapping other markers?
Is their a way within QGIS to prevent text labels from overlapping icons used to label a point layer?
In the example map shown below, there are two layers:
Roads layer which is labeled using the ...
7
votes
2answers
622 views
Is there a way to turn off all labels in ArcMap without clicking on every layer?
I rarely bother with labels, but sometimes it would be nice to toggle them on/off. Something like the Pause Drawing button, except that it would only turn off labels (all labels in all layers...not ...
7
votes
2answers
127 views
How to create vertical labels in QGIS?
How to create vertical labels (each label in new line) like:
1998
150
pipe name
and not horizontal:
1998 150 pipe name
7
votes
1answer
579 views
How to add labels outside of features?
I'm trying to achieve this kind of labeling using QGIS. Apparently, it doesn't seem to be easily supported. Would you have an idea for a workaround ?
I managed to have circled text using ...
7
votes
1answer
473 views
Label legend interval with number of elements - ArcMap 10
I have made a series of choropleth maps in ArcMap 10.
When I classify the interval the bottom of the dialogue tells how many elements are in the class.
Is it possible to have this number ...
6
votes
3answers
1k views
Label Expressions to replace null values with text not in feature class
I need to label some hydrants (points) - some of these belong to the fire brigade and have a number assigned to them, some do not and thus do not have a number. I would like to write an expression ...
6
votes
2answers
389 views
How is the default label field chosen by ArcMap?
I have 2 questions:
I know how to manually go to Layer Properties>Labels tab>Label Field and choose my label field. I also know that I could set up my primary label field and save the setting as a ...
6
votes
2answers
1k views
Can I alter font size using label expression?
I have two label classes displaying dynamically over my parcel polygons. The owner info is the major label with larger font size and bellow it I am displaying some property type info in smaller font.
...
6
votes
1answer
199 views
ArcMap 10: How do I escape certain characters when labeling?
I am labeling certain Oil & Gas areas by Operator in ArcMap 10, using this expression:
"" & [OPERATOR] & "" & vbNewline & "" & [UNIT_NAME] & ""
The only problem is ...
6
votes
1answer
152 views
How to label a lot of nearby points?
I am currently working with a lot of points of which every point has to be labeled.
I am already using the "Easy Custom Labeling" tool to move the labels and create lines to connect points with ...
6
votes
2answers
516 views
Formatting Dates in QGIS labels
I would like to display a date field as a label. The data is from a shapefile. The field in question is a date field.
When I use the date field for the label, it displays in the yyyy/mm/dd format. I ...
5
votes
2answers
182 views
How to simply label raster cells?
I think the title says everything but:
I want to generate a small sample raster (eg. euclidean distance or cost distance) to explain the method of cost-distance analysis, and I'd like to label the ...
5
votes
2answers
1k views
How to disable polygon Label on the vertices (OpenLayers) in Edit Mode
I added the style on the polygon layer like so.
var style = $.extend(true, {}, OpenLayers.Feature.Vector.style['default']); // get a copy of the default style
style.label = "1233456 ha"
...
5
votes
1answer
1k views
Is there a way to manually place labels in QGIS?
Is there a way to manually place labels in QGIS? I have a map which has almost-duplicate labels in some places (e.g. E 1st St and 1st St) and I'd like to remove some of them. Also, I'd like to move ...
5
votes
2answers
349 views
Not all labels created in ArcGIS
I have a set of polygons in ArcGIS 10, which I want to label. Despite setting the Unplaced label icon to "on" and using an expression for the label (so that all objects should be labelled), not all ...
5
votes
2answers
675 views
What are valid values for “data defined” labeling settings?
I'm using QGIS 1.8.
I'd like to customize label features on an existing shapefile using the new label engine and it's "data defined settings" option. I'd like to know what the attribute table field ...
5
votes
2answers
5k views
Why are my labels overlapping in ArcGIS 10?
Please excuse what may be a very newbie question. I'm not new to GIS, but just learning ArcGIS. I have been led to believe that the standard labeling engine doesn't allow any overlap: ...
5
votes
2answers
131 views
How to accomplish conditional labeling based on map scale and attribute in QGIS 1.7
How can I label with qgis 1.7, based on attribute and scale of map?
For example scale>1:1000 then label all those features whose area>100000 at font size 12 and those features whose area<99999 at ...
5
votes
2answers
768 views
Slow Labeling in ArcMap 10 (ArcView License)
We recently updated most of our users to ArcGIS10. One of my users is having an issue with incredibly slow labeling in ArcMap. The shapefile geometry displays right away, but the labels take minutes ...
5
votes
1answer
2k views
Are there any good alternatives to the Maplex (ESRI) labeling engine?
I am running ArcGIS 10 (ArcView) with the standard labeling engine. I am very familiar with Maplex and have used it in the past but it still lacked the "feature-linked" functionality given the type of ...
5
votes
4answers
889 views
How do I automate custom edge labels for township range in ArcGIS 10?
I need to label township ranges along the side and top of my map, respectively. I know the grid in the frame properties is a way to label the edges with lat/lon. I Think there is a way to do the same ...
5
votes
3answers
2k views
Is there a way to label points in a regular interval in ArcGIS 10? [SOLVED]
Estou trabalhando com linhas em estradas representadas por uma grande grande quantidade de pontos em sequencia.
Uma vez que colocar o nome de todos os pontos tornaria a identificação impossível, ...
5
votes
2answers
89 views
How to do advanced Python labeling in Arcmap?
Does anyone have a good reference for advanced/complicated labeling expressions in Arcmap? I am attempting to write a Python label expression that would involve multiple label definitions.
Here is ...
5
votes
2answers
2k 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 ...
5
votes
3answers
127 views
Automating an ArcGIS Project that is a display of map
I'm relatively new to GIS and looking to automate a project. I have my 'base map' created in ArcGIS, but now need to create several hundred more so looking for an automated method to accomplish this. ...
4
votes
2answers
207 views
Is there an advanced way to label in ArcMap so that the label will not be dropped?
Is there an advanced way to label in ArcMap so that the label will not be dropped?
4
votes
1answer
81 views
QQIS composer: Using bold and normal text styling in a label at the same time?
I am writing text explanations for map symbols and need to write three lines for each symbol - basically explaining the same thing in three different languages.
I'd like to bold the main language - ...
4
votes
2answers
437 views
Road Symbol/Label issues
I am trying to control how many road symbols and how do I do that ? I have geodatabase that has Transportation and in it has a featureclass, "Major_Rds" and it also has three symbology for Interstate, ...
4
votes
5answers
1k views
How to get rid of double labels on ArcGIS 10
I'm displaying several point shapefiles. I want them all labeled with the field "ident" which is a 3 digit number starting at 001. Two of the three shapefiles show the labels correctly but the 3rd ...
4
votes
1answer
63 views
How to detect densely labelled areas?
I'm trying to detect densely labelled areas for a given scale like explained below. so dense labelled area is the area having high rate of overlapping labels.
I'd like to detect densely labelled ...
4
votes
2answers
381 views
How to create curved labels in QGIS
I added an image, that explains my demand (see Schiefelsbach river).
How can I do this?
thanks
4
votes
3answers
904 views
Labels aren't showing up when I convert from .mxd to .kml
I've been trying to convert a map from .mxd to .kml for google earth. The map has municipalities labeled as well as train stations. When I save it and open it in Google Earth, only the train station ...
4
votes
1answer
270 views
How to display intersecting roads and create multiple labels for long roads in QGIS?
I am new to GIS and I am using Qgis 1.7.3 on Windows.
Can any one please tell me how to display a map from line shapefile with these two characteristics:
Roads are displayed with borders at the ...
4
votes
2answers
50 views
Where can I set the BufferColor property for labels in QGIS?
The accepted answer to this question suggests that the buffer color can be set as a data defined label property. However, in the Layer Properties > Labels > Advanced tab, the only options I can see ...
4
votes
2answers
104 views
FindLabel not Defined
I'm trying to make an advanced label expression using the python parser and I keep getting the following error:
def FindLabel ( [Direction] ):
return "{}° {}' {}\"".format( ...
4
votes
1answer
255 views
Moved labels in QGIS 1.8 disappear on saving vector file
From other posts I worked out how to activate the "move label" icon and was successfully able to move a number of labels into the positions I wanted. However when I untoggle the "edit" function for ...
4
votes
1answer
342 views
Find a suitable font size for the map scale?
Is there a website that suggests suitable font sizes for each scale level in the layout? I am currently using ArcGIS 9.3 but pretty soon will upgrade to 10.
Thanks !
4
votes
1answer
210 views
ArcGIS 10: convert labels to points
is there a way to convert labels, created by Maplex labeling engine to point features?
In MapInfo and CAD software, it's possible to convert labels to points. Those point features include a text and ...
