1
vote
1answer
203 views

CartoDB JSONP callback in leaflet-search plugin

long time reader, first time question-asker etc... So I'm trying to implement a search function on an app I'm building using data from cartodb in leaflet and this leaflet-search plugin: http://labs....
0
votes
0answers
14 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. ...
0
votes
1answer
19 views

Importing shapefile issue postgis. no import made or recognized reference

I am doing an exercise where I am about to load shapefiles into i PostGIS-database. I am doing it from an already created database and schema, this will mean that the only new item is the table that ...
1
vote
1answer
25 views

SAGA GIS work with python API error

I want to work with python API and SAGA GIS. I am very new with this work. The first step I find one module for example Slope, Aspect, Curvature and I take with right click one python script. python ...
1
vote
0answers
19 views

ESRI ASCII. Latitude and longitude in a in raster

I've started a new project that involves a ESRI ASCII grid. As far as i know it is a map of Germany or the UK (I'm not sure which one). This is how the header looks like: NCOLS 8083 NROWS 12952 ...
0
votes
0answers
27 views

Display the osm2po network [on hold]

Is it possible to display all edges and vertices of the osm2po routing network? For example, for the mask "foot" or "car". Can I use the underlying transport network , which is used for routing , ...
2
votes
2answers
26 views

Create time series graph with multiple rasters

I need to create a time series graph for a few random cells with known underlying attribute such as "forest" or "agriculture" based on the VCI (Vegetation Condition Index). I have been reading and ...
0
votes
0answers
27 views

Crop raster files when importing with readGDAL from DB

I have quite a lot of raster files stored in a PostgreSQL DB. Each of them has around 200MB and is representing EU-wide data. However I only need the the rasters to cover the area of Germany. I'm ...
0
votes
1answer
8 views

Creating linestring layer in epsg:3857 from geojson data in 4326

In OL3, I am confused about creating linestring layer in epsg:3857 from geojson data in 4326. What should I do?
0
votes
0answers
9 views

QGIS 2.14.3 very slow when saving edits on Ubuntu 16.04

QGIS 2.14.3 "Essen" is really very slow when saving edits on a single layer (point features) on Ubuntu 16.04 64 bits. There is only about 100 points in this layer. In editing mode, when saving, it ...
0
votes
1answer
173 views

Benefit of DGPS for relative accuracy and speed measurements for receivers close-by each other

Consider that we are interested only in the speed and relative position accuracy of GPS receivers (i.e. their absolute try position on earth is NOT important). These receivers are all in a 90m x 90m ...
1
vote
1answer
18 views

Drape multiple lines on a DEM with Postgis

I am trying to drape lines on a DEM by following this great tutorial: http://blog.mathieu-leplatre.info/drape-lines-on-a-dem-with-postgis.html When I do it on a single line by giving points ...
1
vote
0answers
7 views

ArcGIS raster calculator: ERROR 000539: Error running expression: rcexec() <type 'exceptions.ImportError'>: No module named collections

i was wondering if somebody could please help me with the raster calculator (map algebra). My raster is in the GRID format, source type is continuous and pixel type is floating point (32bit). If i use ...
1
vote
1answer
12 views

How to Add a single feature ( features[0] ) from Geojson ( without jquery )

var features = new ol.format.GeoJSON().readFeatures(geojsonObject,{featureProjection:'EPSG:4326'}); console.log("I_got_features[0]_as_<point>_:"+features[0].getGeometry().getType()); console....
1
vote
1answer
26 views

Deleting required field from ArcGIS Diagrammer?

while creating a feature class in ArcGIS Diagrammer I set the field id_feature_class as required and as type= text now I want to change text to integer but I can't it's telling me id_feature_class is ...
2
votes
2answers
26 views

is it possible to store empty geometries in an Oracle Database?

I'm trying to fix a GeoTools issue but I'm running into problems putting empty geometries into my Oracle database. Basically executing: select SDO_UTIL.FROM_WKTGEOMETRY('POINT EMPTY') from ...
1
vote
0answers
11 views

Exponential function variogram sill values

I am using gstat package for deriving a variogram using exponential model. My R code goes like this: g <- gstat(id= "HV",formula=HV~X+Y,data=vari) vari.var <- variogram(g) vari.var plot(vari....
0
votes
0answers
16 views

Export data from postgresql [on hold]

I have some text like xml -code in a field of table. I want to export the data from my field into file without any changes. I've tried to use a lot of variants but all of them changes the text. The ...
1
vote
0answers
21 views

Point to Raster Arcmap - incorrect pixelvalues?

I am having a problem using the arcmap point to raster tool. I have x/y coordinates for a set of data, and 1464 (2 months worth of hourly data) separate files to convert from an excel with X/Y/value ...
1
vote
1answer
23 views

How to create Circle using X,Y Coordinate and radius by ArcPy? [on hold]

I have been given three parameters X and Y coordinates and a distance or the radius of the circle. I will have to draw a circle using ArcPy by these three parameters where the center is the point of X-...
0
votes
2answers
10 views

How to get the polygon defining a road when I have the way's `osm_id`?

I have the osm_id of various roads defined in OpenStreetMap and I am trying to get the polygon defining the road. How might I do this, preferably in JavaScript and preferably without downloading data ...
1
vote
1answer
17 views

How to turn off the visibility of a layer?

I'm making a geoprocessing tool with ArcObjects Java (IBasicGeoprocessingTool) and I need to make a layer not visible. I managed to get this layer as IFeatureLayer and I get an access to the map or ...
4
votes
1answer
498 views

SQL Server UNion of geography feature returns FULLGLOBE result?

I have some trouble with sql server 2012. I store coordinates of french cities in my database as geography object (with ESRI 4326) and i want to make the UNION of some cities. I have in result (...
3
votes
2answers
36 views

How to use gdal2tiles on a custom tiff image recieved from providers to generate tiles

I have been struggling a bit to generate tiles for a high-resolution image that we have. The current image we have is a very large (+20GB) image, saved as a GeoTiff file. I would like to generate ...
1
vote
2answers
32 views

Running Python script that includes ArcPy functions?

I have to export about 250 layers in one mxd File to maps in ArcGIS 10. I found a script on this site at Exporting each layer in map to separate image using ArcPy?: mxd = arcpy.mapping.MapDocument(...
1
vote
1answer
21 views

QGIS geoprocessing scripts, default values for field names

In QGIS geoprocessing scripts, default values must be provided for input numbers and strings, according to http://docs.qgis.org/2.8/en/docs/user_manual/processing/console.html#creating-scripts-and-...
1
vote
1answer
261 views

Which arguments are incorrect when running ArcGIS example for arcpy.mapping.ListBookmarks and exporting to PDF arcpy.mapping.ExportToPDF?

I want to use the bookmarks in ArcMap 10.2.2 and 10.3 MXDs to loop through the bookmarks, zoom to the extent of said bookmark and then export a PDF by renaming the PDF with the name of the bookmark. ...
1
vote
1answer
532 views

Leaflet update getcenter coordinates

I am bringing in leaflet routing control into my map and I would like to have the route icons show up in the center of the current view. using the code below I can get the icons to show up at the ...
-3
votes
0answers
16 views

Taking advantage of WPS and WMTS? [on hold]

I do not really know how to take the advantages of WPS and WMTS. Can anybody explain by a satisfied example? I know that this is the different between them:
2
votes
2answers
26 views

Why do certain fields import as strings in QGIS?

I have imported a CSV to QGIS with lat/lon values representing points. The other fields, at least in the original CSV file, contain numeric values. > sapply(pune_hotspots, class) id ...
0
votes
1answer
20 views

Opening Notepad text editor from ArcPy/Python? [duplicate]

Is it possible to use arcpy to open up an editor (like Notepad) to show a simple text file? I'd like to do this in a tool that generates text which is supposed to be copied and pasted into another ...
2
votes
1answer
15 views

Geometry route in pgr_tsp

I currently use pgr_tsp and returns the list (apparently) correct. But I find no reference on how to get the lines that make up the optimal route. Is it possible that can help me? I only need to ...
-3
votes
0answers
23 views

Updating CSV file in CartoDB?

How can I update a csv-file in cartoDB? When a csv-file is loaded into cartodb, it might contain errors in the data. E.g. some fields partially contain a wrong formtted date. After having cleaned ...
7
votes
4answers
3k views

How can you find ArcGIS version programatically?

Is there a way using ArcObjects.net to find out what version of ArcGIS is installed on a machine (i.e. 9.3., 10.0, 10.1)?
1
vote
1answer
15 views

Change Carto basemap font size?

I'm using the CartoDB static Maps API. I need to change the font size of the street names. E.g. in the image below the street name "Stanhope Road" needs to be bigger. Here's what my Json config ...
1
vote
1answer
933 views

WMS-C Google Maps v2 Android

I'm have added a map from a WMS-server in Google Maps v2 for Android using the code provided from this site: http://www.azavea.com/blogs/labs/2013/01/wms-on-android/ . The tiles are downloaded and ...
3
votes
1answer
290 views

Opening PDF generated by Python AddIn using Report (*.rlf) file automatcally?

As a test I have: Authored a test.mxd with one layer called Localities in a single data frame called Layers Authored a test.rlf using View | Reports > Create Report of ArcGIS 10.2.2 for Desktop ...
0
votes
0answers
23 views

Performing morphometric analysis in ArcGIS Desktop?

I am getting problem in morphometric analysis. From srtm data I am getting stream network. in which number of stream are not correct when I manually counting. How can I solve this problem?   this is ...
3
votes
0answers
46 views

How to handle large tables in QGIS using python?

I'm currently writing a plugin that calculates values based on a QgsVectorLayer's attributes. To display and print the values I'm using a QgsComposerTextTableV2. I have several problems with my ...
-1
votes
0answers
13 views

Change meridian in case of Everest 1830 Projection

I imported map into ArcMap and have set the projection to Everest 1830 as per metadata. I found that it does not map with base layer as in screenshot.The dataset used is same as this. I think it's ...
5
votes
1answer
2k views

Exporting each layer in map to separate image using ArcPy?

I have a mxd file with multiple layers I have to export to PNG/JPG. I would like to create a script which turns on layers one at the time before they are exported. So far I have come up with the ...
0
votes
0answers
13 views

Data Sets for Places to visit around the world [on hold]

I want to know the tourist spots around the world. Basically i want to know the name of the places and their latitude and longitude information. Are there any available data sets like these? ...
1
vote
1answer
121 views

VB.net Converting UTM to Lat/Lon (State Plane with WKID) - ArcGis

I have looked at many libraries. Many simply don't work, others are very poorly documented. I have a very long list of X/Y coordinates (US FT) and an associated WKID. I am trying to convert that to ...
2
votes
1answer
256 views

How to smooth a raster in a rectangular fashion using gaussian blur?

How do I adjust the code for the Gaussian Blur posted in the thread: What raster smoothing/generalization tools are available? to retain the resolution/gradients in the y direction and blur only ...
2
votes
1answer
30 views

QGIS create layer from spreadsheet file (Spreadsheet Layer plugin)

With the QGIS plugin 'Speadsheet Layers' i try to create a layer with the following parameters: But I'm just getting a layer with no geometry. I've been playing arround with real instead of ...
0
votes
0answers
14 views

(More) Precise tracking for sport [on hold]

I would like to put a device on a tennis player to track him during his play to be able to monitor his movement patterns. But of course if I use (normal) GNSS receiver the accuracy is not good enough. ...
1
vote
2answers
23 views

Using multiband images in ArcGIS Raster Calculator? [duplicate]

I have 5-band composite orthomosaics that I wish to apply multiple vegetation indices towards. In the raster calculator, it only displays the raster, but not the individual bands. Can someone give me ...
4
votes
3answers
6k views

Extracting one band from three band raster in ArcMap?

I'm fairly new to ArcGIS and I get into trouble extracting a single band layer from a raster image .img in ArcMap that I want to use after in zonal statistics. So far, all help I found is to do the ...
2
votes
1answer
180 views

Land Use layer by combining, removing attributes and assigning new attributes

I'm working in Model Builder and I have limited (let's face it, no) Python knowledge, so I'd like to stay here if possible! I have numerous shapefiles that I want to combine into a single land use ...
2
votes
1answer
58 views

QGIS graphical modeler calculator

My question is about the calculator in the QGIS graphical modeler. I explain my problem issue first: I want to build a modeler that creates buffers around layers and makes a selection on a second ...

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