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1500 questions
27
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3 answers

Packing Polygons within polygon using ArcGIS Desktop?

I have a Boolean raster. In the grey areas of the raster I would like to fit a given size polygon within a contiguous extent. Basically, I have an irregular polygon, and i would like to "fit" a known polygon within the extent of the irregular…
Thad
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6 answers

Placing elevation numbers on contours with uphill orientation and position in QGIS?

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 would like to define how regularly the numbers are…
MartinMap
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27
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8 answers

Viewing LIDAR data (.las) in QGIS?

Is there an easy path to visualizing LIDAR data in QGIS? I have some USGS LIDAR data in .las format downloaded from http://lidar.cr.usgs.gov/. This means I have both the .las and metadata in .xml format. I am aware liblas, but not how to apply it to…
Bryce
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27
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1 answer

Creating animated route map in QGIS?

Using QGIS and other free tools, how can I use a Google Maps route to create a route animation in the style of the Indiana Jones movies (https://www.youtube.com/watch?v=5TY5Fp6O5iM)? I have found two questions on this site (Show vehicle traveled…
rudivonstaden
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27
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6 answers

Changing data source for all layers in MXD?

I have an MXD. It connects to about 30 layers in one of our SDE databases. I want to change the SDE database they connect to. Is there a way to do this without having to right-click every layer and change it individually?
brenth
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27
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5 answers

Nearest distance between point and line layers in QGIS

I have two layers, a line and a point layer. I need to make a line layer which connects all the points to the nearest line feature. How can I do that? Is there a plugin available for QGIS? This is a very important tool which is missing in…
Frodo
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27
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2 answers

Converting from Geography to Geometry data type in PostGIS?

I have a shapefile that has geography types. Can I convert it with a tool like shp2pgsql or is there a postgis function to do that?
Paco Valdez
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27
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5 answers

Buffer neighbouring polygons without overlap using QGIS

Is it possible to create a buffer around neighbouring polygons, so that the new polygons do not overlap? Preferably in QGIS but any other tool will do. So instead of the first result I would like to obtain something similar to the second:
user3170702
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27
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3 answers

ArcGIS for Desktop on Linux?

Will ArcGIS 10 work properly on Linux using wine or crossweaver?
dassouki
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27
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7 answers

Examples of geovisualizations of global connectivity

I stumbled upon interesting visualization of global connectivity patterns: 'Major road and rail networks in Africa, along with transmission line and underwater cable data.' (Source, more pictures in the gallery. Original.) Can you point me to…
radek
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27
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7 answers

When Versioning with ArcSDE can posted edits be cancelled or rejected?

I am using ArcMap 9.3.1 and attempting to work with an ArcSDE geodatabase (with one polygon feature class) that has already been registered as versioned. I'm new to versioning and am still trying to figure out some of its basic functions. So far,…
Sole23
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27
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2 answers

Extracting intersection areas in R

I have two polygons. One contains fields(X,Y,Z) and the other contains soil types (A,B,C,D). I want to know what area of every field contains which type of soil. I tried the…
user2386786
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27
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21 answers

Why can't the breakpoint be "hit" when debugging an ArcGIS 10 Add-In?

Now and then I run into the following problem: I start debugging the Add-In and breakpoints are ignored. Almost seems like the communication between the IDE and the component is not working. My problem is that the last time this had happened I…
Jakub Sisak GeoGraphics
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27
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4 answers

How do you determine a shapefile's charset?

Is there a way to determine the charset used for a given shapefile?
Matthew Finlay
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27
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10 answers

Adding interactive map to PDF?

I have been asked to add an interactive map to my company's annual report. The requirements are that it should have multiple layers that can be turned on and off, zoom in/out and pan functionality, and clickable points on the map that will display…
Michael Todd
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