3
votes
5answers
6k views

Fill in NoData gaps in raster using ArcGIS for Desktop?

I have a raster with gaps in it. I want to fill these in with averages of surrounding cells using ArcGIS 10.2 for Desktop. I have tried "Focal Statistics" but it averages EVERY cell and not just the ...
0
votes
1answer
22 views

Creating a basemap in WGS84

I am trying to create a base map suitable for overlaying data that is in SRS EPSG:4326 using CartoDB following the projections tutorial. I have other projections working, but not one for this. So ...
2
votes
1answer
26 views

Polygon intersection using QGIS virtual layers

I'm trying to intersect polygon geometries in QGIS by using a virtual layer: SELECT sbqry.rowid AS gid, sbqry.geom FROM (SELECT ST_Intersection(land_parcels.geometry, flood_zone....
2
votes
0answers
10 views

Converting to Parcel Fabric - Extra lines, verticies, and the clean up process

I am currently taking my first stab at trying to convert our City's parcel layer into a parcel fabric. From what I understand, our DWG is converted to vector and ArcGIS processes. It does not come ...
0
votes
1answer
14 views

How to merge GDAL tiles and crop via a bounding box

I am using GDAL. Assume I have four adjacent GDAL tiles in the formation of a square. I have a bounding box with a corner in each tile so that the rectangle formed spans all four tiles. My goal is to ...
1
vote
1answer
141 views

Arcpy.da.SearchCursor() help when attribute doesn't exist

I'm updating text elements off of an arcpy.da.SearchCursor script and needed to construct the script to return a response for when the attribute does NOT exist. Here is the snippet of the code THAT ...
0
votes
1answer
475 views

google.maps.InfoWindow is not working

If anyone encountered the same problem and come up with the solution please give me an idea if what's wrong with this code. The InfoWindow is not working when i click the map polygon. All parts ...
3
votes
1answer
67 views

Qgis slow on loading project

Is there any work around to mitigate the amount of time QGIS takes when loading projects that have large tables from postgis layers . I have tried to turn off this large layers so they are not in use ,...
1
vote
0answers
8 views

Converting Geo-normalized SVG data to geojson

I'm working on a project for which our team geonormalized some TIFF files with MapWarper, then used photoshop to vectorize only the buildings within the images. We now have svg data for which we know ...
0
votes
0answers
58 views

Basemap (Matlibplot) not plotting GPS WGS84 coordinates accurately

I have a list of lat,lon coordinates from Flickr pictures taken in Sydney (see here) When I plot these points on google maps, the locations are correct. However when I use my Basemap the results are ...
2
votes
0answers
16 views

Working with intersecting polar grids

I'm having some trouble figuring out the best way handle some GIS data. I want to analyze pollution from specific sites at specific points. I have a list of sites I'm interested in all across the ...
2
votes
0answers
14 views

Determining resolution of specific image in PDF document?

Can GDAL be used to determine the resolution of an image embedded inside a PDF? If not GDAL, is there another method? I'm using gdal_translate to convert TIF+TFW files into geospatial PDF. I know ...
1
vote
1answer
12 views

How to I replace pixel values in a single band DEM?

I have a single band DEM tif. And would like to replace values above or below a certain threshold with 0. Can I do that with GDAL?
0
votes
2answers
26 views

Calculate mean value for each raster and convert output array to data frame

How do I calculate mean value for each raster and convert output array to data frame? r <- as.data.frame(cellStats(x,mean))
0
votes
0answers
23 views

ArcGIS raster DEM Slope

I have a 3M DEM of Iowa and want to calculate slope percentage for the state, reclassify the slope percentages and then multiply those values by soil k-factor to get a proxy for soil erodibility. ...
-1
votes
1answer
34 views

Calculate area for each polygon in R

I am working with a shapefile that has many polygons. How do I add one more field named "area_sqkm" and calculate area for each polygon in the shapefile?
0
votes
0answers
9 views

Using Geoprocessing Service Data Access?

I am trying to move a geoprocessing tool from ArcGIS 10.1 to 10.4.1. I moved everything over from the old server and was able to publish the service without any errors (and run the model from 10.4.1 ...
1
vote
1answer
686 views

How to add the current project path in Print Composer?

I'm trying to demonstrate to my company that we can begin using QGIS in conjunction with (and sometimes even instead of) ArcGIS and MapInfo. I've started setting up some layout templates but have run ...
2
votes
0answers
13 views

Cutline mosaicing areal imagery with open source software

I'm very new in gis, and i'm trying to find a fast solution to merge 200 historical areal images(black and white from 1944). I orthorectified them manually, using gcp-s. They have 1 to 10 meters error....
1
vote
1answer
18 views

How to create a label with QGIS project path in print composer? [duplicate]

Is there a way in the Print Composer of QGIS to create a label that will automatically update the path of the QGIS project?
0
votes
1answer
13 views

CartoDB with KoboToolbox, Open Data Kit (ODK), Enketo, or Ona source data?

I'm trying to use survey data collected by Kobotoolbox with CartoDB. I've reviewed the API's docs (https://kc.kobotoolbox.org/api/v1/), and I'm doing my best to follow them to connect my survey's data,...
1
vote
1answer
289 views

Merging USGS DEMs in ArcMap?

I've downloaded some USGS DEMs from the National Map, which appear to be .adf files. I can open them in ArcMap 10.2, but I need to merge them into a single mosaic. To do this, I've created a raster ...
3
votes
6answers
3k views

ExportToJPEG() arcpy script failure

I'm attempting to writing a python script that will automate exporting a set of stock maps to JPEG from their mxd files, and I'm having some strange issues getting there. I've alternatively been ...
0
votes
0answers
16 views

Drawing markers, geometries on an ArcGIS Engine MapControl [on hold]

I'm building a windows application that uses ESRI.ArcGIS.Controls.AxMapControl. I've figured out how to create the map, and to populate it from a .mxd. Now I need to programmatically draw some ...
1
vote
0answers
15 views

How can I stop crashes when opening layer properties after adding SVG paths?

I am running the most recent version of QGIS, 2.14.3. I recently added several folders to the locations of of SVG files, but I opened the Style Manager and removed them when the crashes started. ...
1
vote
0answers
13 views

Output shortest route shapefile using pgRouting and JSON data

I'm interested in finding the shortest route between two sets of bike share stations (22/21 stations each) in the city of Glasgow. Note, I need to overlay the final shapefile onto an OSM basemap in ...
-4
votes
1answer
15 views

shapefiles for ward map of indian cities [duplicate]

Where can I get shapefiles for Bangalore, Ahmedabad, Jaipur and Greater Mumbai?
1
vote
0answers
15 views

Statistics for geo-referenced floristic inventory

I have a dataset consisting of several thousand geo-tagged photographs of flowering plants (dozens of families, roughly 240 species). The inventory was conducted monthly over three years along a ...
1
vote
1answer
30 views

How can I export single bands of a MODIS image with QGIS?

How can I export single bands of a MODIS image (in particular MODIS Terra - MOD02HKM) with QGIS? It's .hdf file but with QGIS, I don't know to export these. I also used Modis Reprojection tool but ...
2
votes
0answers
11 views

Selecting rows of attributed relationship class (intermediate table) using relate table function

I have 2 classes: Owners Properties And 1 relation class (M-N) attributted Like this example "http://webhelp.esri.com/arcgisdesktop/9.2/tutorials/EditingRelationships_4.htm" In this link, in ...
1
vote
4answers
41 views

Transfering topographic map from ArcMap onto Garmin GPS?

I have a Garmin 64S GPS unit that I'd like to get a topographic basemap layer onto, so I'm not wandering with a blank screen while getting to my field sites for my research. I'm using ArcMap 10.3.1, ...
1
vote
0answers
10 views

How to fix a time error when exporting data

I frequently have to export data from a layer in ArcGIS online (that is created from Arc Collector offsite) to excel via CSV format. One of the fields is the CreationDate field that is automatically ...
1
vote
2answers
246 views

Create tracks from GPS points honoring polygon barriers

I have fish tracking data from a river. The data include positions, times and tag ids. Time interval between positions may be several days. I would like to create a polyline track for each fish tag ...
1
vote
0answers
12 views

I am trying to have markers in a KML to follow the direction of the view in Google Earth

I am trying to represent the flow direction of streams in a KML file to be used in Google Earth. As complex line symbols are not supported by the KML format, I have opted for a solution combining ...
0
votes
1answer
16 views

UPDATE ArcGIS Online feature service Layer Error with FME

I am having issues updating a feature service with Safe FME. I looked up the example model and as far as I can tell I am following it. It seems to be running most of the model and throws an error as ...
7
votes
2answers
2k views

Automating batch load of multiple GPX files into PostGIS

I've got 50+ GPX files that I would like to "batch load" into a PostGIS database. All of the track_points data would be loaded into a "track_points" table (with typical GPS fields like lat, long, ...
-3
votes
0answers
12 views

Adding tools in the suite OpenGeo gxp template, for example identify, print, measure? [on hold]

I need help with the template suite OpenGeo GXP, add print tools, information, measure
8
votes
1answer
220 views

PostGIS Recursive Query Based on Line Connectivity

I'm having difficulty with a query. I have a network of linestrings, each with a value in the n_type column. This can be one of a handful of options. I'd like to generate a new table that groups any ...
-4
votes
0answers
24 views

How to make a layer with a cone y QGIS? [on hold]

Is there any plugin for QGIS to do this ?
-1
votes
0answers
22 views

Count polygons crossed by other polygons

I have two polygon feature classes, census blocks and voting precincts. What I want to get is the count of census blocks that contain more than one voting precinct, that is, where precinct boundaries ...
0
votes
1answer
21 views

Database access pattern using PostgreSQL and ArcGIS

I am planning to connect to a PostgreSQL DBs on a server from ArcGIS on my laptop. My server admin is interested to know "The access pattern: How, when, how often, (would ArcGIS access the DBs) during ...
0
votes
1answer
24 views

Geoserver tiles missing point labels that show up fine when serving as a single tile

Using Geoserver 2.8.2, I just loaded a new "address points" layer (shp files). I have a style I've used before, and perhaps this has happened in the past and I've not noticed, but with the custom ...
0
votes
1answer
976 views

ArcPy SelectLayerByAttribute Error and how to control GP output layer name

I have a rather long script that first references an SDE feature class (non-versioned) to perform an attribute selection based on a SQL selection. I've been unable to figure out why the script will ...
-3
votes
0answers
30 views

Incremental (dynamic) Delaunay Triangulation

Is there an incremental (dynamic) Delaunay triangulation in QGIS or using a plugin ? While the “batch” construction of the Delaunay triangulation of a set of data points, for example, is well known, ...
3
votes
3answers
1k views

How to create a compressed GeoTIFF with the QGIS Clipper tool?

I have a geo-tiff created by Pix4D which is about 375 Mb in file size. I have clipped it to a smaller area using Qgis 2.8(using Raster ‣ Extraction ‣ Clipper), and the output file is about 900 MB in ...
1
vote
0answers
25 views

How to implement a Plotting widget into already existing PyQt4 Interface

I am using Python, PyQgis for about one week and already built a plugin for GIS 2.14 which is -so far- working pretty well. As my next step I want to add a widget to plot data to my already existing ...
1
vote
0answers
415 views

How to compare outputs of erosion from ArcSWAT and RUSLE from ArcGIS?

I calculated water erosion in ArcSWAT and I also calculated erosion by RUSLE http://35.8.121.139/rusle/ equation in ArcGIS. Now I need to compare these two (from ArcSWAT I used SYLD- assumed ...
5
votes
2answers
1k views

ESRI GDB Support in GDAL / ogr2ogr on Mac OS X 10.8

How do you incorporate support for ESRI's fgdb format into GDAL / ogr2ogr on Mac OS X 10.8?
2
votes
5answers
7k views

Part of layer disappears when printing ArcGIS 10.0 as pdf

There are a couple of maps i made that I want to save as pdf in ArcGIS 10.0. For three of the maps it worked fine, but there are problems with the other two. The first one has a layer that consists ...
7
votes
1answer
448 views

How To Do OpenLayers.Mobile Popup

It seems that the OpenLayers.mobile.js library (v 2.12) doesn't have a popup class. Does anyone know how to do a popup with the mobile version? I'm using some code that i ported over form normal OL ...

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