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Community Moderator for Geographic Information Systems SE

Moderator Pro Tem for Genealogy & Family History SE.

Freelance ArcGIS Specialist & GISP-AP with 25+ years Esri software experience, working where possible with Geoprocessing (including GP Services), ArcPy/Python, Open Source GIS, OGC Interoperability, OpenStreetMap, Zoology & Genealogy.

Author of:

  • ArcGIS for Desktop and Google Earth eLearning videos which are available via Discover Spatial
  • Introductory to Advanced level ArcGIS for Desktop and ArcPy training courses which are available Instructor-led or Self-paced - see PolyGeo website

Available for commercial ArcGIS consulting, training and support assignments, and willing to provide quotations to tackle any intractable ArcGIS for Desktop and ArcPy problems which appear on GIS Stack Exchange when they may be unsuitable to resolving expediently using its focussed Question & Answer format.

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Sep
3
comment CostPath gives error for specific points?
Rather than create a trail of comments, which potential answerers may not have the inclination to read through, I recommend that you incorporate responses to any requests for clarification by editing your original question to a revised state.
Sep
3
comment ArcPy loops/cursors faster without background processing?
I have seen large models that work in the foreground throw errors in the background and as an expedient have stopped using the background for that application. If you want to investigate this further then I think you should separate out an "error cause" question from a "performance" question and include the exact error message and a code snippet that can be run in the background to reproduce it.
Sep
3
comment Ideas for Kids GIS Workshop
I'm worried that this question is along the lines of a "Don't Ask" Help example i.e. “I would like to participate in a discussion about ______”. In your case it is more like “I would like to participate in a discussion about ideas for a Kids GIS Workshop” Raising it in the currently under-used GIS Chat Room may be a more suitable place to seek ideas like this.
Sep
3
comment Updating Data Driven Pages in PDF format to use with ArcGIS Viewer for Flex?
As it stands I think your current question is unlikely to attract any answers, and while it has no answers is the ideal time to heavily revise it to ask your new question. To do that please use the edit button rather than comments.
Sep
2
comment What is GIS for Indigenous Peoples?
I'm worried that this question is along the lines of a "Don't Ask" Help example i.e. your answer is provided along with the question, and you expect more answers: “I use ______ for ______, what do you use?”. In your case it is more like “I think this video would be good to explain GIS to Indigenous People, what do you think?” Raising it in the currently under-used GIS Chat Room may be a more suitable place to request the feedback that you seek.
Sep
2
comment Drawing irregularly shaped boundary polygon around set of LAS points using ArcMap?
@AndreSilva For this answer I'm only working off the documentation and web because I do not have access to an Advanced level license to test. The help says that the input is a layer so I think it would be worth trying direct on a LAS dataset layer first.
Sep
2
comment Adding information from excel into ArcGIS
You said (in response I think to @Baltok's two suggestions about what you may be asking) "To be honest I would like instructions on both" which says to me that you have at least two questions. I think you should use the edit button to revise this question to focus it on whichever of these is more important to have answered first. Any other question(s) can then be researched/asked separately.
Sep
2
comment Creating perimeter around multiple polygons using ArcGIS for Desktop?
@GravitaZ It seems odd to accept Convex Hull as an answer and then to say that Concave Hull solved it. Was it the answer from Maksim that solved your problem or the comment by radouxju? If the latter I think you should ask radouxju to post an answer to that effect so that you can accept that instead.
Sep
2
comment Where can I find the freeware ST-Links PgMap?
@DevdattaTengshe Were you able to get this resolved? If so, it would be good to get an Accept tick on one or other of the answers.
Sep
2
comment Use Display Expression for KML Popup, SHP to KML ArcGIS
As per the comment by @KHibma would you be able to include the simplest expression that demonstrates this, please? If it is VB specific then I personally would be happy with switching to Python as a workaround.
Sep
2
comment Arcpy Table To Table Conversion Error
I cannot see anywhere in your question (or added on comments that would be best consolidated into it) that you have tried using the Excel To Table (Conversion) tool and taken care to select a worksheet from your spreadsheet (*.xls) rather than the spreadsheet itself. I think not doing the latter would result in an Error 000732.
Sep
2
comment Is it possible to create a data frame graphic using arcpy?
... so that a copy method could clone it, elementPositionX/elementPositionY it to the centre of the page, and make it a default elementHeight & elementWidth:-)
Sep
2
comment Find overlapping polylines in same layer in ArcMap?
@Reza If you run Intersect on the single feature class that is the source for both those layers then add its output to your map I think will be just that short segment of overlap.
Sep
1
comment Shapefile to MSSQL with ogr2ogr fails to make connection
@abhinavgoyal02 Your answer, which was not in direct response to the question, has been converted to a comment. Be sure to ask it as a new question if it concerns an issue that is still affecting you.
Sep
1
comment What does property FeatureTypeName do in Styled Layer Descriptor (SLD) specification?
In line with the comment by @iant I have edited the title of your question to refer to just the first question that you asked. I recommend that you edit your question to focus on just that and then research/ask the other questions separately.
Sep
1
comment How to calculate distance from point to polygon with a time frame?
It sounds like you may be using ArcGIS for Desktop but if you edit your question to state that and the version you are using then potential answerers will not need to make assumptions before deciding to help.
Sep
1
comment Find overlapping polylines in same layer in ArcMap?
I think you should edit your original question to include graphics that illustrate your precise requirements.
Sep
1
comment How to convert Geographic wgs-84 to lambert (LCC_wgs 84 projection for a vector file?
This link may be useful as background: kanchu_deep.tripod.com/igintro.htm
Sep
1
comment How to convert Geographic wgs-84 to lambert (LCC_wgs 84 projection for a vector file?
Would you be able to edit your question to include the country that you want to do this for, please?
Aug
31
comment Updating Data Driven Pages in PDF format to use with ArcGIS Viewer for Flex?
Would you be able to provide more details in your question, please? I think you must have a DDP-enabled map book that you are exporting to multiple PDFs, and that these PDFs are accessed from known locations via your custom web application. When you say "Grid feature class" I think you may be meaning a polygon feature class from perhaps Create Fishnet that you are using as the Index feature class for DDP.