[Qgis-us-user] I am a beginner GIS person....HELP
Eric Vander Velde
etvander65 at gmail.com
Tue Jun 5 21:47:30 PDT 2018
That makes sense Randy. Let me look at that tomorrow and see what I can work up for you. Thank you again. It’s great to know there is a community to help.
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________________________________
From: Randal Hale <rjhale at northrivergeographic.com>
Sent: Tuesday, June 5, 2018 6:41:51 PM
To: etvander65 at gmail.com; 'Tim Sutton'
Cc: qgis-us-user at lists.osgeo.org
Subject: Re: [Qgis-us-user] I am a beginner GIS person....HELP
So there's one other way to tackle this - and I guess that depends on your data.
**IF** the areas have a field for Disaster Preparedness training - as in you open the attribute table for your data and you have a "training" column and in that column there is a "yes" or "true" - you can symbolize the data on that field. Which would sorta make your "selection" somewhat permanent.
Which may not make sense....Could you share a copy of your data? That might help. You're almost there it sounds like. You could send it over email just to me and tim or share it through dropbox. We'll delete it when done!
Randy
On 06/05/2018 07:21 PM, etvander65 at gmail.com<mailto:etvander65 at gmail.com> wrote:
So, back kind of where I was before. No I am able to select and both drag the area and draw a polygon around the area. When I use the default drag the area after dragging the area and when I let go of the cursor the area disappears. In addition, when I drag and highlight the area I do not know how to make it stick. When I finish the polygon it wants to keep drawing the highlighted area wherever I drag the cursor. I am missing something here.
From: Tim Sutton <tim at kartoza.com><mailto:tim at kartoza.com>
Sent: Monday, June 4, 2018 11:45 PM
To: Randal Hale <rjhale at northrivergeographic.com><mailto:rjhale at northrivergeographic.com>
Cc: etvander65 at gmail.com<mailto:etvander65 at gmail.com>; qgis-us-user at lists.osgeo.org<mailto:qgis-us-user at lists.osgeo.org>
Subject: Re: [Qgis-us-user] I am a beginner GIS person....HELP
Hi Eric
As an alternative to Randal’s good advice, if you simply want to highlight existing features in your houses layer do this:
* select the houses layer in the layers list
* use the selection tools icons (as shown below) to select the selection mode you want to use. The default select feature(s) option will let you simply drag a box around your houses. Other options will let you draw a free-hand region around them etc.
*now drag a region on the map that encloses the houses
* the houses will be highlighted in yellow
* your selection will also be made in the attribute table of that layer
* you can also save out those selected features to make a new layer using Layer -> Save as …. From the menu and checking the ‘save selected features only’ box.
Hope that helps!
Regards
Tim
On 05 Jun 2018, at 02:16, Randal Hale <rjhale at northrivergeographic.com<mailto:rjhale at northrivergeographic.com>> wrote:
Hey - welcome to the group!
So I'm going to assume you're working in shapefiles - do this.
1. Click on Layer at the top of QGIS
2. Click on Create Layer -> New Shapefile
3. You will need to supply a projection and pick if you want points, lines, or polygon (hint polygon). From there you just need to edit your new layer. Click the Pencil (toggle editing) and use the add feature tool to draw it. Don't forget to save.
Randy
On 06/04/2018 05:55 PM, etvander65 at gmail.com<mailto:etvander65 at gmail.com> wrote:
Hello – I have only taken one class on GIS and then downloaded QGIS. I was able to download files to create a base map (which includes houses). What I am trying to do is draw a polygon around certain groups of houses to highlight them. I know I need more instruction. I am lost. Help if you can. Thank you.
Eric T. Vander Velde (KK6YVS)
Geologist
1059 New York Drive
Altadena, CA 91001
Cell: 818-391-4247
etvander65 at gmail.com<mailto:etvander65 at gmail.com>
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