3
votes
3answers
480 views

Why is Add Basemap grayed out in ArcMap?

Why can't I add a base map to my data frame in ArcMap? I am using ArcGIS 10.2 for Desktop and the options under Add Data for Add Basemap and Add Data From ArcGIS Online are both disabled (grayed ...
2
votes
0answers
36 views

What is the purpose of some functions and files in QGIS Python plugins?

I'm just trying to understand the architecture of a QGIS Plugin created with the QGIS Plugin Builder, as well as the workflow and the linkage among generated files. If possible, I'd prefer a diagram. ...
4
votes
1answer
268 views

Why does ArcGIS Upgrade Geodatabase tool throw ERROR 999999: Error executing function?

I am using ArcGIS 10.1 for Desktop to upgrade File Geodatabases using a Python script that runs fine until the step where it runs the Upgrade Geodatabase tool. The error is: ERROR 999999: Error ...
2
votes
2answers
31 views

Error 000358 or Error 999999 invalid SQL

i've been searching arround all the answers in the questions of Error 358 and beyond, but i doesn't fix my problems, i tried every post and so on the problems stills there. I make two options in my ...
2
votes
2answers
565 views

Why does Erase give ERROR 999999 (Error executing function Invalid Topology Negative point valence)?

I am getting the following error when I try to erase a set of data from a file within a gdb. Any idea on what to do? I have done repair geometry multiple times on the input/erase datasets. I have 16GB ...
6
votes
1answer
1k views

ArcObjects C#: Create Random Points fails with ERROR 999999: Error executing function

I am having trouble running some ArcObjects C# code that calls create random points. I would not be doing this in ArcObjects, but I am suffering with the same issue using Arcpy as seen here: ...
3
votes
1answer
2k views

Invalid Topology [Topoengine error] ArcGIS 10.1

I'm trying to run the Identity function on two large data sets but it fails every time. I don't think it is a lack of hardware as I can run other processes on the same data sets. I've already ...
0
votes
0answers
5 views

Script and model crashes after first iteration

I have a python script which dies after the first iteration. It dies on the second feature class to coverage. This also happened in modelbuilder, which is why I went to python hoping it would go away. ...
2
votes
1answer
93 views

How to create a time slider using arcgis javascript that only shows a year at a time?

I am looking at this example on how to create a time slider using the arcgis javascript api. Instead of showing the data cumulative from the start date. I want to just show the data for that ...
0
votes
1answer
13 views

How to extract information from several shapefiles in the same time?

I'm using ArcGIS 10.2.1. I have a shapefile for 10 catchments and other three shapefiles for landuse, soil type and rock types. To extract the area of land use types, soil types or rock types for each ...
1
vote
0answers
6 views

How Do I Add Nodes to Linestrings at the Overlapping Points with a Polygon Layer in Spatialite?

I have two Spatialite layers, a LINESTRING and a POLYGON layer. How do I add nodes to the LINESTRINGS at any point that intersects the POLYGONS? (Preferably using SQL queries only. Temp tables are ...
0
votes
1answer
141 views

How to zoom to layer using ArcGIS Javascript API

I tried to get the function "Zoom to Layer" done using the following code snippet. But it does not change anything. The layer is a feature service layer, and I can see the full extent object of the ...
1
vote
0answers
14 views

Calculating Slope, Flow Accumulation and Topographic Wetness Index (TWI) using ArcGIS for Desktop? [duplicate]

I am working on a project that requires me to extract values from rasters (viz the slope and TWI) for a set of point dataset that I have. I tried calculating the Slope, Flow accumulation and the TWI ...
1
vote
1answer
699 views

Custom Tools not Saving in Toolbar on Startup/ Normal.mxt?

I am trying to save some tools that I have created into the default toolbar layout that is present when ArcMap 10.1 is launched. It is possible to change the arrangement of toolbars, add new ones and ...
0
votes
1answer
20 views

Many pipelines and buffers need to display one at the time,

I have more than 1000 individual pipeline in one shapefile with 4 different buffer size. I wish to show one pipeline at a time with its corresponding buffers after each other in a very quick way. I ...
0
votes
0answers
15 views

Scripting Custom data setup functionality of Business Analyst using ArcPy?

Is it possible to script the "Custom Data Setup" functionality in the "Business Analyst" extension in ArcGIS using ArcPy? This functionality basically allows one to create a "Business Analyst ...
0
votes
0answers
7 views

Merge based on joined attribute in QGIS [duplicate]

I have a single layer of polygons (drawn around every zip code). I have a CSV file with territory numbers and the zip codes in each territory. I joined these and was able to color each territory ...
1
vote
2answers
29 views

Getting number as parameter to use in SQL expression leads to ExecuteError: ERROR 000358?

In my script I am using the Select tool (arcpy.Select_analysis) and in the SQL expression, I want to use a number that I call in as a parameter. I have trying to script it like: subsize = ...
1
vote
1answer
198 views

QGIS Clipping and reprojecting SRTM data creates a HUGE file

I'm having difficulty in QGIS doing what should be a very simple thing and I haven't been able to find anyone who has had the same issue. What I'm trying to accomplish: I need to export a very ...
2
votes
1answer
220 views

How to change the color of a selected feature with pyQGIS?

is it possible to change the color of a selected feature in qgis 1.8? To highlight a feature I use: vlayer.setSelectedFeatures(selectedList) box = vlayer.boundingBoxOfSelected() ...
2
votes
2answers
30 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 ...
1
vote
3answers
54 views

What is a term to describe a latitude OR longitude value but not both together?

I have a location of north 45 degrees, west 90 degrees. This is the coordinate of the point. What is each component of this coordinate called? I'm looking for a generic term to describe either ...
2
votes
1answer
142 views

JSONP working with Leaflet time slider

I would like to integrate the time slider into a JSONP geoserver. Here is the current code I have http://jsfiddle.net/qcwcrwge/26/ and I would like to use the time slider with a layer called ...
0
votes
0answers
4 views

How to convert between SWEREF99 TM (GRS80) and long-lat (WGS84) coordinate with JMapProjLib (Java version of Proj4)?

I'm making an android app which is reading SWEREF99 TM (GRS80) coordinates from a file, but I need to convert them to long-lat (WGS84) coordinates, and also in the oposite direction (WGS84 -> GRS80). ...
0
votes
1answer
25 views

Loading Multiple CSV Files into PostgreSQL Table

I am having multiple CSV files. Those CSV files are the log files created as a result of running a windows batch file. The location of these CSV files lies on the server and i want all these CSV files ...
6
votes
4answers
1k views

Seeking alternative to ERDAS Imagine?

I am having trouble with the ArcGIS 10.1 and ERDAS Imagine 9.2 license conflict. From what I found out it isn't that rare, but I do not understand why there such a conflict in the first place. ...
0
votes
1answer
175 views

Convert PCIDSK file with seven layers to Geotiff without loss of layers

does anybody know a way to save a PCI Geomatica landsat file (PCIDSK, *.pix) as a Geotiff without loss of layers?? The Transferring layer function of Orthoengine does not work. With the export map ...
1
vote
1answer
253 views

Creating color table file in PCI Geomatica

What is the simplest way to create a stand-alone color-table file in PCI Geomatica (PCT or STR)? I have some classified imagery with values ranging between 0-255 and I would like a way to ...
21
votes
9answers
10k views

Working with LiDAR data using other than Esri software?

I will be working with LiDAR data soon and am wondering what are the best alternatives to Esri software in your opinion? Which are generally considered to be the tops and flops of the LIDAR Sofware ...
0
votes
0answers
3 views

What is the best way to view LAS data using free open source software? [duplicate]

Is there a pipeline for viewing, classifying, and processing LAS data using free open source software?
0
votes
1answer
234 views

Polygon Neighbors Analysis script (ArcPy 10.1) producing erroneous results?

I'm struggling with a python script that is supposed to calculate a field for a polygon feature class. The calculation is of the average of a field value (P_TOT_DEV) for each of a given polygon's ...
2
votes
2answers
30 views

POSTGIS get the max length of the polygon and the average width

I have in postgis a polygon type table. I need to calculate automatically the maximum length of the polygon: And the second one is the average width: I am doubting rigth now if this is possible ...
0
votes
1answer
42 views

How to create and serve map tiles?

I have shapefile which is too large to be served as vector. Also, I need it only as background tile, not as layer with attributes. I thought of creating tiles in MapTiler as I already bought it. I ...
3
votes
2answers
477 views

What software would be useful to create General Transit Feed Specification (GTFS)?

I am doing a project in which i am required to create GTFS. I look at transit google developer forum which provide a format to create feed but that completely have to done by hand (we have to write ...
0
votes
0answers
5 views

How to resample a DEM from GCS to UTM with respect to reprojection bounds parameter?

When reprojecting a DEM (e.g., SRTM-derived 1-arc DEM) using PCI Geomatica for example, to constrain pixel size and maintain a square pixel you can either change the image extent or the number of ...
0
votes
2answers
149 views

Add features to vector layer from WFS protocol read response

Im trying to add the features i get from a WFS query using the WFS protocol. But something doesnt work. I have looked at other post with people having similar problems, but their solution dont fit ...
3
votes
1answer
304 views

leaflet geojson contextmenu

I want to add a context menu on right click for various elements on my geojson layer (I'm doing a road map so on a right click on the road at any part I want to show the context menu). I've managed ...
0
votes
0answers
30 views

python code doesn't preserve original range of values from my raster colormap template

I'm working towards an animation or movie of some distributed model output so I need to use a batch process for several hundred rasters that applies a consistent colormap and value range, however the ...
1
vote
1answer
47 views

Relationship between scale, ppi, and map resolution

Wanting to know the screen resolution (pixels per inch) of my device, I displayed my map resolution and scale using this openlayers code: console.log("resolution: " + map.getResolution()); ...
-1
votes
1answer
24 views

is it possible to calculate one spatial difference (deviation) from Δx, Δy, Δz (wgs84) of coordinates?

Comparison of two gps receivers or methods(difference between reference and acquired coordinates of points) could be better expressed by one number. Is there an official formula? what about (Δx^2 + ...
2
votes
1answer
229 views

Offline geocoding and reverse geocoding for android

I'm developing an android application that cannot use internet and need to deal with maps and positioning. Download OpenStreetMaps data seens to be a good solution to access map information offline. ...
1
vote
0answers
7 views

In Mapbox Studio how do I make an image for a marker be 400 pixels without getting clipped off?

For Mapbox Studio, I've prepared this Squid drawing I'm going to put in a body of water, similar to the ships in the 'Pirates Return' map. I have sizes of the drawing in 100,200, and 400 pixels. ...
4
votes
1answer
860 views

How to create a 500m Regular Grid for KML input area?

I am hoping to create a point grid over the city of Edmonton. My workflow is: Import a KML of Edmonton neighborhoods from here Save the layer as a SHP Delete the layer and load the SHP Define the ...
-1
votes
0answers
14 views

Check Geometry Type of a Shapefile Using GeoTools?

I want to get the type (point, line, or polygon) of shapefile using GeoTools but so far I haven't found any code. Any other Java library also works for me.
0
votes
0answers
12 views

Creating Leaflet layer that can be toggled in layer control from CartoDB viz.json?

How do I create a leaflet layer that can be toggled in the layer control from a cartodb viz.json? I have read that the cartodb.createlayer does not create a leaflet layer. It seems you can add the ...
0
votes
0answers
15 views

Export from QGIS to Google Maps maintaining formatting

I'm totally new to QGIS so I'm not even sure this is possible. I've created a bunch of polygons within QGIS and they look just like I want them (color, transparency, etc.). What I'd like to do now ...
0
votes
0answers
11 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 ...
1
vote
2answers
111 views

OpenLayers: Point icons disappearing

I have a very simple setup where I have a feature vector layer on top of an OSM layer in OpenLayers 2.13.1. However, I notice that the icons of my points in the vector layer begin to 'become ...
1
vote
0answers
11 views

Merge zip code based polygons to create sales territories

I have access the full data set of the KML file shown here: http://www.maptechnica.com/downloads/samples/mt_2014a_kml_us_zcta5_sample.tar.gz Here's what it basically looks like: ...
5
votes
1answer
358 views
+50

How to create an OD road distance matrix in QGIS?

I'm looking for the steps required to produce an origin-destination (OD) cost matrix. What I'm looking for is a matrix of road distances. The distance matrix tool only produces euclidian distances. ...

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