Category Archives: Technical

eForm programming notes

Converting PDF images to PNG Open PDF with Inkscape: – File, Export Bitmap (high resolution is good) Open Bitmap file with IrfanView: – crop borders: select area, Edit, Crop Selection (Ctrl-Y) – adjust resolution to 1500 x 2000: Image, Resize/Resample, … Continue reading

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Oscar .deb updating

The advantage of using .deb installs is that it simplifies installation and updates. Dr. Peter Hutton-Czapski has done an excellent job releasing new .debs on a regular basis. Unfortunately, there can be some unexpected problems.. On an update from deb … Continue reading

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Firefix update breaks Oscar access

A recent Firefox update (v 38) will block access if certain security settings are not in place. If you try to login to Oscar and get: Error code: ssl_error_weak_server_ephemeral_dh_key then you need to update /etc/tomcat6/server.xml You should add the ‘ciphers’ … Continue reading

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Updating DrugRef problem – solved

A client asked me to add a few new medications to their Oscar drugref database. Sounded easy enough. There is an Admin function for that: Update DrugRef. I checked on a more recent installation and the new medications were listed. … Continue reading

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Automatic signing of Prescriptions

The automatic signing of Prescriptions is allowed in Quebec.  I have installed the change at a clinic and we have gotten a minor amount of push-pack from some pharmacists. The solution was an ink stamp with the clinic name.  Unfortunately, … Continue reading

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Creating new Users, logins and assigning Roles

The procedure to add new users requires 3 steps.  I have written some notes to ensure that there are no problems. Menu: Admin, Provider Use Search/Edit/Delete Provider Records to find a free provider number. Note: for providers that will appear … Continue reading

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Hylafax Installation for Oscar

Hylafax is a great, reliable fax server. It works with almost any fax modem. The main web page is at www.hylafax.org Oscar instructions cab be found at: http://oscarmanual.org/oscar_emr_12/developers/hylafax/hylafax I’ve installed another Open Source program that does OCR. It’s called tesseract-ocr … Continue reading

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Translating Oscar

Oscar is multi-lingual. You just need to change the language in your browser and Oscar will switch to that language. Note: Each language has a file containing text for that language. For Oscar 12 in french, the file is: /var/lib/tomcat6/webapps/Oscar12_1/WEB-INF/classes/oscarResources_fr.properties … Continue reading

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Checking Hylafax status

Oscar v12 has a feature to check the status from the Admin menu. Admin, Misc, Fax Status If that doesn’t work, or if you want to do it manually, here is the procedure: 1) start putty 2) login to server … Continue reading

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Adding Appointment types problem

If you want to enable the Appointment type pull-down in the Appointment screen, you have to change the multisites flag in the properties file to multisites=on. Once you restart tomcat, all your existing appointments will disappear! That’s because the old … Continue reading

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