0
votes
0answers
4 views

How can I get rid of feature points within a buffer?

So I've created my buffer, 10 m around surrounding streets, now I need to remove all trees (points) that are within that buffer but I'm having trouble doing so! I've tried clipping but I guess my ...
0
votes
0answers
6 views

arcpy.Erase_analysis function and output

I have attached my code (Python). I am trying to loop trough each FC in same file GDB and subtract a FC from remaining FCs not equal to input FC. Then want to create/generate FC from erased result ...
0
votes
0answers
7 views

What specs to look for in a GIS laptop? [on hold]

If you had 3 to 4k to spend on a GIS laptop, what would you buy? What component(s) is(or are) the most important, mostly for 2d GIS and large datasets? What would be the perfect build? 16gb or 32gb? ...
2
votes
0answers
5 views

How to synch a FeatureTable with a FeatureLayer's selection set?

The ArcGIS Server JS API contains a new FeatureTable class, which shows the attribute table corresponding to a FeatureLayer. There is an option syncSelection which: Enables an interaction between ...
0
votes
0answers
3 views

How is Kernel Density output values calculated based on a parameter value in Arc Map 10.3?

I am generating a map where I have sentiment value for geo-tagged data. I want to show a heat map based on the sentiment of location. I am using kernel density to generate this map. I am having ...
0
votes
0answers
10 views

cluster analysis dependent on avaliable area

I want to perform a cluster analysis based on a "background polygon". The polygon is not continuous, it represents coral colonies within a 10x10m reef area. Points represent disease locations on ...
0
votes
0answers
20 views

Georeferencing Aerial Imagery

The project I am working on have a set of aerial TIFF images taken in 1927 at the scale of 1"=1500'. Is there a way I can make the images to their correct size before I begin to georeference them? ...
0
votes
0answers
10 views

How to write features to a shapefile in java

I have a vector layer that export as a shape file (zip with .dbf, .fix. prj and .shp inside) if it has one feature works fine, but when it has more features it creates the files with one feature, e.g: ...
0
votes
0answers
4 views

How do I display NAD 1927 Albers with other data?

I have some raster datasets which are in NAD 1927 Albers projection. I cannot seem to display any other type of data with this projection. I get the pop-up projection warning when trying to add a ...
2
votes
3answers
55 views

Counting number of points within a grid

I'm trying to count how many floods occur within a given grid cell in ArcMap and I can't figure it out. I've been reading some other posts on here but I haven't been able to find an answer. I have ...
0
votes
0answers
11 views

QGIS “buffer” considering grades

I have to develop an article entitled as "GIS IN ASSESSMENT OF BUS TRANSIT SYSTEM ACCESSIBILITY CONSIDERING GRADES". I'm still at an early stage of development of the research project, but I have ...
-2
votes
0answers
10 views

Websites implemented GeoExt? [on hold]

I'm looking for sites using GeoExt in their mapping strategy. I want to visit them to evaluate GeoExt in action. Would you introduce me some?
0
votes
0answers
5 views

How to pass time dimension to postgis DB layer WHERE clause in Geoserver?

I have successfully configured a layer with time dimension that is backed by an SQL query to a postgis DB. I can query it throug WMS, no problem so far, but I just can't find a way to pass the start ...
0
votes
0answers
7 views

PyQGIS: intersection of one node layer with two polygon layers

I´m new with the use of PyQGIS and I´m working in a problem applied to a water supply systems modelling, where I need to distribute the water demand in about 5000 nodes (network junctions). I´m ...
0
votes
0answers
6 views

Adding census and other data overlays to google maps - for a non-programmer :-)! [on hold]

I have been creating private Google maps that track our business ventures and competitive marketplace. This much I could figure out without a CS degree :-) I am now looking for a tool, service, or ...
2
votes
1answer
9 views

What does the GEOS LineString “normalize()” routine really do?

What does the GEOS LineString "normalize()" routine really do? GEOS has virtual void geos::geom::LineString::normalize() with the documentation: A normalized linestring has the first point which ...
0
votes
0answers
22 views

Is there a way to exclude the object ID field when using arcpy.TableToExcel_conversion()? [on hold]

This is somewhat of a continuation of a previous post where I should have stated that I'm still a newby to python and programming in general. When using arcpy.TableToExcel_conversion(), ArcMap ...
0
votes
0answers
5 views

Check if point is within radius of another point with Shapely

I've successfully used Shapely with python to check if a point is within one of a set of polygons in a .shp file but now would like to check if a point is within a circle of radius x miles from ...
1
vote
0answers
23 views

Is it possible to create an ArcGIS library?

Can I create my own ArcGIS library that contains commonly used features inside my own functions/methods? I would like to make a dll that can be reference in my projects for using common features such ...
0
votes
0answers
7 views

Categories (Unique Value – one field and two fields ) [on hold]

I am very beginner in ARCgis i am searching about a code to make Categories (Unique Value – one field and two fields ). that looks like in Arcmap to apply it in c# code windows application when I ...
1
vote
0answers
9 views

Can't specify OID field in arcpy.MakeQueryLayer_management

I manage a library of query layers and have recently had the need to apply the same update to a bunch of them at once. Seems the only way to do that in python is to create new ones and apply ...
2
votes
0answers
9 views

Issue loading PostGIS out-db rasters (either in QGIS or MapServer)

I'm playing with a few different options of storing raster data via PostGIS to visualize (eventually in a web app). The out-db or out-of-database storage seems the best option, but I can't seem to ...
1
vote
0answers
11 views

Different results from GDAL raster attribute table command on mac and windows

I am trying to get the raster attribute table of the following file: Shift_cult_past_current_prediction_20160107_gr1DD.tif available here: ...
2
votes
1answer
16 views

Trying to import Tiff files created in arc9.3 into 10.2, not working

I'm trying to use the scanned maps available here: http://www.env.gov.bc.ca/esd/distdata/ecosystems/TEI_Scanned_Maps/B01/B01-4700/ I save all 6 files in a folder, open ArcGIS 10.2 and try to add to ...
1
vote
1answer
14 views

SLD : setting Multiple Values in one Literal Tag

Is it possible to use multiple values in one Literal tag? This is what I have: <ogc:PropertyIsEqualTo> <ogc:PropertyName>name</ogc:PropertyName> ...
1
vote
1answer
15 views

qgis feature classification of filegdb datasource bug?

When I am trying to create a symbol classification from a filegdb datasource in qgis the list of unique attribute values is not being populated when I hit the 'Classify' button. It loads a single ...
0
votes
0answers
14 views

Is there a Web Based, Open Sourced, GIS Mapping Solution? [duplicate]

I work primarily with JSAPI in an ESRI environment at work. But I have some personal projects that I would love to compliment with a collaborative GIS solution without using Google. Are there any ...
2
votes
0answers
23 views

Arcpy module to read csv files and create polyline shapefiles

I am creating a module in arcpy that will loop through a folder with csv files in it. I have both of them written, and they work fine on my computer. However when I send them to anyone else they won't ...
1
vote
1answer
15 views

How to keep live update coming from a WMS

I'm using a WMS that contain weather radars that is update every 10 min. I would like to know how to keep the map updating every 10min. I tried: from PyQt4.QtCore import * timer = QTimer() ...
1
vote
0answers
7 views

Can we combine SVG Overlay with MarkerCluster v3?

I have searched here and there on how to prevent the overlapping circle (svg) layer created from json file. Poor me, no luck till now. Since I doesn't know how to prevent the overlapping circle I ...
2
votes
0answers
10 views

How to create .sat files for .jpg tiles

I want to create map overlays for a TomTom GPS. Relief shading, ortophoto etc as map background while navigating in Map View mode. Instructions for creating custom overlay can be found here So far ...
1
vote
0answers
7 views

Storing a Mapbox-hosted vector tileset in a variable (Mapbox-GL-JS)

I'm trying to make a map using Mapbox GL that is basically identical to this example: https://www.mapbox.com/mapbox-gl-js/example/filter-markers/. The main difference that source I'm using is a ...
2
votes
1answer
15 views

How to change default annotation properties in ArcMap 10.4?

I am trying to figure out how to change the default properties of an annotation feature class in ArcMap 10.4. I see the "Text Symbol" box when I double-click on the "Default" category under my ...
0
votes
0answers
7 views

Grass Gis i.atcorr for Aerial data

Can Grass GIS i.atcorr module be customized for Aerial sensor? Attempted for Aerial sensor which has altitude of 13km. but module is failed .if the satellite altitude is changed to 100 km, module is ...
0
votes
0answers
8 views

Build Network after changing streets feature class in ModelBuilder?

Previous posts have said a network cannot be created in ModelBuilder. However, I have been able to create a network after going through part of the wizard, but stop short of build network, then go ...
-2
votes
0answers
19 views

Geometric network connected features problem [duplicate]

I work on the analysis of a power system through the creation of a geometric network when I try to check the sections connected to a power source the trace obtained sometimes limit in a same junction ...
1
vote
0answers
12 views

Calculation surface of building external walls from shapefile [duplicate]

I have two datasets (attached): 1) A shapefile of buildings containing the height of each building. 2) A parcel shapefile. Several buildings are assigned to a single parcel. I am interested in ...
1
vote
0answers
5 views

ArcGIS Address Locator Styles & Interpolation

I'm using ArcGIS 10.3 to build an address locator service based off an address point feature class. I want to use the Suggest operation to return possible addresses to an end user. However, I only ...
1
vote
0answers
14 views

Zonal Statistic Tool

In ArcGIS, I have a grid 5x5km (I have it both in vector and raster formats) I want to calculate, based on this grid, the zonal statistic (MEAN) of a raster 30x30m pixel size. The raster overlaps ...
0
votes
0answers
7 views

Why does QGIS try to create spatial tables when loading into MSSQL Server?

When trying to load a layer from the QGIS layers panel or browsers panel, errors pop up that either the 'spatial_ref_sys' table or 'geometry_columns' table exists: If these tables exist already, ...
2
votes
2answers
21 views

Arcpy Update Cursor with Character Length

I am attempting to create an update cursor to concatenate fields of a parcel ID based on the amount of characters in the MAPNO field. This is important because the spacing between MAPNO and LOT of ...
4
votes
3answers
137 views

Finding redundancy between two layers

Let's say I have two point layers that contain locations of wells on a property. layer A has 50 points. layer B has 35 points. Some of layer B's points already exist on layer A, and some of them ...
0
votes
0answers
13 views

Error with SAGA's Topgraphic Correction

I am using QGIS 2.14.2, trying to perform a supervised classification on a rapideye image with the SCP plugin. To improve my classification im trying to work with the SAGA's topographic correction. ...
0
votes
1answer
16 views

Using Title Case on Everything Except Last 2 Characters

I have addresses in my attribute table that I converted to title case from upper case. Example: 123 FAKEVILLE ST NW to 123 Fakeville St Nw How can I make it so that the last 2 characters in all ...
1
vote
0answers
27 views

Creating an ArcGIS toolbox with an R script

I posted this over on another website but since I think it might be an issue with ArcGIS, I decided to post it here also. So I have the following script in R. in_params[[1]] represents the input CSV ...
-3
votes
0answers
16 views

An exception occurred while parsing WKB data An exception occurred while parsing WKB data Unknown WKB type 15

I have a shp (equipment) and I want to publish in 3D so I use a geoserver that I download from the Internet WAR format and I depolyeé in eclipse with the apache tomcat 7 with JDK 7 I used postgresql ...
0
votes
0answers
15 views

Unwanted display of 180 meridian in map [duplicate]

When I use the WGS 84 CRS the Chukotka peninsula east of the 180 meridian is shown on the left of the map. If I project the map using a Lambert Azimuth projection, the Chukotka peninsula is shown as a ...
0
votes
0answers
4 views

Explanation of Map Server Templating? (MapServer) [on hold]

I am currently trying to work through the setup of a Web Server using ms4w and working through an example. However, I cannot understand the concept of a Map Server Template html document, iv'e had a ...
0
votes
0answers
16 views

Raster Precision QGIS

I am using r.patch extension in QGIS to join a number of LiDAR tiles, some of which overlap hence i am carrying out this task before utilising in a hydraulic model. R.Patch works fine, however the ...
0
votes
0answers
21 views

Leaflet : filter with condition

I want to insert a condition in a geojson filter. This condition is based in a variable called here varState: var geojsonLayer = L.geoJson(data, { pointToLayer: function (feature, ...

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